Ciclo solar (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ciclo solar" in Portuguese language version.

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Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A.; Barata, Teresa; Carvalho, Sara; Malherbe, Jean-Marie (novembro de 2022). «Scrutinising the relationship between plage areas and sunspot areas and numbers». Astronomy & Astrophysics. 667: A167. Bibcode:2022A&A...667A.167C. ISSN 0004-6361. arXiv:2209.07077. doi:10.1051/0004-6361/202244913
Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K.; Krivova, Natalie A.; Giorgi, Fabrizio; Yeo, Kok Leng (junho de 2019). «Recovering the unsigned photospheric magnetic field from Ca II K observations». Astronomy & Astrophysics. 626: A114. Bibcode:2019A&A...626A.114C. ISSN 0004-6361. arXiv:1905.03453. doi:10.1051/0004-6361/201935131
José Abreu; et al. (2012). «Is there a planetary influence on solar activity?» (PDF). Astronomy & Astrophysics. 548: A88. Bibcode:2012A&A...548A..88A. doi:10.1051/0004-6361/201219997

acrim.com

«Total Solar Irradiance Graph from ACRIM page». ACRIM project web page. Consultado em 17 de novembro de 2015. Cópia arquivada em 17 de outubro de 2015

aip.org

Weart, Spencer (2003). «Changing Sun, Changing Climate?». The Discovery of Global Warming. [S.l.]: Harvard University Press. ISBN 978-0-674-01157-1. Consultado em 17 de abril de 2008

arizona.edu

journals.uair.arizona.edu

Damon, Paul E.; Jirikowic, John L. (31 de março de 2006). «The Sun as a low-frequency harmonic oscillator.». Radiocarbon. 34 (2): 199–205. ISSN 0033-8222. doi:10.2458/azu_js_rc.34.1450

geo.arizona.edu

see table in «Solar Variability: climatic change resulting from changes in the amount of solar energy reaching the upper atmosphere.». Introduction to Quaternary Ecology. Consultado em 16 de julho de 2015. Arquivado do original em 20 de março de 2005

arxiv.org

Karoff, Christoffer; Jørgensen, Carsten Sønderskov; Senthamizh Pavai, V.; Arlt, Rainer (12 de junho de 2019). «Christian Horrebow's Sunspot Observations – II. Construction of a Record of Sunspot Positions». Solar Physics. 294 (6). 77 páginas. Bibcode:2019SoPh..294...78K. arXiv:1906.10895. doi:10.1007/s11207-019-1466-y. Consultado em 17 de junho de 2022
Usoskin, Ilya G.; Solanki, Sami K.; Kovaltsov, Gennady A. (2007). «Grand minima and maxima of solar activity: New observational constraints» (PDF). Astron. Astrophys. 471 (1): 301–309. Bibcode:2007A&A...471..301U. arXiv:0706.0385. doi:10.1051/0004-6361:20077704
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). «A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s». Physical Review Letters. 91 (21): 211101. Bibcode:2003PhRvL..91u1101U. PMID 14683287. arXiv:astro-ph/0310823. doi:10.1103/PhysRevLett.91.211101
Usoskin, I. G.; Mursula, K.; Arlt, R.; Kovaltsov, G. A. (2009). «A solar cycle lost in 1793–1800: Early sunspot observations resolve the old mystery». The Astrophysical Journal. 700 (2): L154. Bibcode:2009ApJ...700L.154U. arXiv:0907.0063. doi:10.1088/0004-637X/700/2/L154
Bhowmik, Prantika; Nandy, Dibyendu (6 de dezembro de 2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications (em inglês). 9 (1). 5209 páginas. Bibcode:2018NatCo...9.5209B. ISSN 2041-1723. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0
Chatzistergos, Theodosios; Krivova, Natalie A.; Ermolli, Ilaria (17 de novembro de 2022). «Full-disc Ca ii K observations—A window to past solar magnetism». Frontiers in Astronomy and Space Sciences. 9. 1038949 páginas. Bibcode:2022FrASS...938949C. ISSN 2296-987X. arXiv:2210.13285. doi:10.3389/fspas.2022.1038949
Chatzistergos T, Ermolli I, Krivova NA, Solanki SK, Banerjee D, Barata T, Belik M, et al. (julho 2020). «Analysis of full-disc Ca II K spectroheliograms - III. Plage area composite series covering 1892–2019». Astronomy and Astrophysics. 639: A88. Bibcode:2020A&A...639A..88C. arXiv:2005.01435. doi:10.1051/0004-6361/202037746
Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A.; Barata, Teresa; Carvalho, Sara; Malherbe, Jean-Marie (novembro de 2022). «Scrutinising the relationship between plage areas and sunspot areas and numbers». Astronomy & Astrophysics. 667: A167. Bibcode:2022A&A...667A.167C. ISSN 0004-6361. arXiv:2209.07077. doi:10.1051/0004-6361/202244913
Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K.; Krivova, Natalie A.; Giorgi, Fabrizio; Yeo, Kok Leng (junho de 2019). «Recovering the unsigned photospheric magnetic field from Ca II K observations». Astronomy & Astrophysics. 626: A114. Bibcode:2019A&A...626A.114C. ISSN 0004-6361. arXiv:1905.03453. doi:10.1051/0004-6361/201935131
Usoskin I.G. (2017). «A History of Solar Activity over Millennia». Living Reviews in Solar Physics. 14 (3). 3 páginas. Bibcode:2017LRSP...14....3U. arXiv:0810.3972. doi:10.1007/s41116-017-0006-9 PDF Copy
Owens M.J.; Forsyth R.J. (2013). «The Heliospheric Magnetic Field». Living Reviews in Solar Physics. 10 (5). 5 páginas. Bibcode:2013LRSP...10....5O. arXiv:1002.2934. doi:10.12942/lrsp-2013-5 Verifique o valor de |name-list-format=amp (ajuda)
Usoskin; et al. (2016). «Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima». Astron. Astrophys. 587: A150. Bibcode:2016A&A...587A.150U. arXiv:1602.02483. doi:10.1051/0004-6361/201527295
Scafetta, Nicola; Milani, Franco; Bianchini, Antonio; Ortolani, Sergio (2016). «On the astronomical origin of the Hallstatt oscillation found in radiocarbon and climate records throughout the Holocene». Earth-Science Reviews. 162: 24–43. Bibcode:2016ESRv..162...24S. arXiv:1610.03096. doi:10.1016/j.earscirev.2016.09.004
Potgeiter, M. (2013). «Solar Modulation of Cosmic Rays». Living Reviews in Solar Physics. 10 (1): 3. Bibcode:2013LRSP...10....3P. arXiv:1306.4421. doi:10.12942/lrsp-2013-3
Kopp G (1 de julho de 2016). «Magnitudes and timescales of total solar irradiance variability». Journal of Space Weather and Space Climate. 6: A30. Bibcode:2016JSWSC...6A..30K. arXiv:1606.05258. doi:10.1051/swsc/2016025
Krivova NA, Solanki SK, Wenzler T (1 de outubro de 2009). «ACRIM-gap and total solar irradiance revisited: Is there a secular trend between 1986 and 1996?». Geophysical Research Letters. 36 (20): L20101. Bibcode:2009GeoRL..3620101K. arXiv:0911.3817. doi:10.1029/2009GL040707
K.L. Yeo; et al. (23 de setembro de 2014). «Reconstruction of total and spectral solar irradiance from 1974 to 2013 based on KPVT, SoHO/MDI and SDO/HMI observations». Astronomy & Astrophysics. 570: A85. Bibcode:2014A&A...570A..85Y. arXiv:1408.1229. doi:10.1051/0004-6361/201423628
Chatzistergos T, Krivova NA, Ermolli I, Kok Leng Y, Mandal S, Solanki SK, Kopp G, Malherbe JM (1 de dezembro de 2021). «Reconstructing solar irradiance from historical Ca II K observations. I. Method and its validation». Astronomy and Astrophysics. 656: A104. Bibcode:2021A&A...656A.104C. arXiv:2109.05844. doi:10.1051/0004-6361/202141516
Shaviv, Nir J (2005). «On climate response to changes in the cosmic ray flux and radiative budget» (PDF). Journal of Geophysical Research. 110 (A08105): A08105. Bibcode:2005JGRA..110.8105S. arXiv:physics/0409123. doi:10.1029/2004JA010866. Consultado em 17 de junho de 2011
Erlykin, A.; et al. (Agosto 2013). «A review of the relevance of the 'CLOUD' results and other recent observations to the possible effect of cosmic rays on the terrestrial climate». Meteorology and Atmospheric Physics. 121 (3): 137. Bibcode:2013MAP...121..137E. arXiv:1308.5067. doi:10.1007/s00703-013-0260-x
Pablo J.D. Mauas & Andrea P. Buccino. "Long-term solar activity influences on South American rivers" page 5. Journal of Atmospheric and Solar-Ter restrial Physics on Space Climate, March 2010. Accessed: 20 September 2014.
Route, Matthew (20 de outubro de 2016). «The Discovery of Solar-like Activity Cycles Beyond the End of the Main Sequence?». The Astrophysical Journal Letters. 830 (2): 27. Bibcode:2016ApJ...830L..27R. arXiv:1609.07761. doi:10.3847/2041-8205/830/2/L27
S. Poluianov; I. Usoskin (2014). «Critical Analysis of a Hypothesis of the Planetary Tidal Influence on Solar Activity». Solar Physics. 289 (6): 2333. Bibcode:2014SoPh..289.2333P. arXiv:1401.3547. doi:10.1007/s11207-014-0475-0
F. Stefani; A. Giesecke; T. Weier (maio de 2019). «A Model of a Tidally Synchronized Solar Dynamo». Solar Physics. 294 (5). 60 páginas. Bibcode:2019SoPh..294...60S. arXiv:1803.08692. doi:10.1007/s11207-019-1447-1
P. Bhowmik; D. Nandy (2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications. 9 (1): 5209. Bibcode:2018NatCo...9.5209B. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0

awi.de

epic.awi.de

Braun, H; Christl, M; Rahmstorf, S; Ganopolski, A; Mangini, A; Kubatzki, C; Roth, K; Kromer, B (10 de novembro de 2005). «Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model» (PDF). Nature. 438 (7065): 208–11. Bibcode:2005Natur.438..208B. PMID 16281042. doi:10.1038/nature04121

books.google.com

Schwabe (1843). «Sonnenbeobachtungen im Jahre 1843» [Observations of the sun in the year 1843]. Astronomische Nachrichten (em alemão). 21: 233–236 From page 235: "Vergleicht man nun die Zahl der Gruppen und der flecken-freien Tage mit einander, so findet man, dass die Sonnenflecken eine Periode von ungefähr 10 Jahren hatten … " (If one compares the number of groups [of sunspots] and the sunspot-free days with one another, then one finds that the sunspots had a period of about 10 years … )

cnn.com

archives.cnn.com

«Sun flips magnetic field». CNN. 16 de fevereiro de 2001. Consultado em 11 de julho de 2009. Arquivado do original em 15 de novembro de 2005 http://www.cnn.com/2001/TECH/space/02/16/sun.flips/index.html

cnn.com

«Sun flips magnetic field». CNN. 16 de fevereiro de 2001. Consultado em 11 de julho de 2009. Arquivado do original em 15 de novembro de 2005 http://www.cnn.com/2001/TECH/space/02/16/sun.flips/index.html

cosis.net

Svensmark, Henrik (1998). «Influence of Cosmic Rays on Earth's Climate» (PDF). Physical Review Letters. 81 (22): 5027–5030. Bibcode:1998PhRvL..81.5027S. CiteSeerX 10.1.1.522.585. doi:10.1103/PhysRevLett.81.5027. Consultado em 17 de junho de 2011

doi.org

dx.doi.org

Karoff, Christoffer; Jørgensen, Carsten Sønderskov; Senthamizh Pavai, V.; Arlt, Rainer (12 de junho de 2019). «Christian Horrebow's Sunspot Observations – II. Construction of a Record of Sunspot Positions». Solar Physics. 294 (6). 77 páginas. Bibcode:2019SoPh..294...78K. arXiv:1906.10895. doi:10.1007/s11207-019-1466-y. Consultado em 17 de junho de 2022
Eddy, John A. (junho de 1976). «The Maunder Minimum». Science. 192 (4245): 1189–1202. Bibcode:1976Sci...192.1189E. JSTOR 1742583. PMID 17771739. doi:10.1126/science.192.4245.1189
Usoskin, Ilya G.; Solanki, Sami K.; Kovaltsov, Gennady A. (2007). «Grand minima and maxima of solar activity: New observational constraints» (PDF). Astron. Astrophys. 471 (1): 301–309. Bibcode:2007A&A...471..301U. arXiv:0706.0385. doi:10.1051/0004-6361:20077704
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). «A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s». Physical Review Letters. 91 (21): 211101. Bibcode:2003PhRvL..91u1101U. PMID 14683287. arXiv:astro-ph/0310823. doi:10.1103/PhysRevLett.91.211101
Luthardt, Ludwig; Rößler, Ronny (fevereiro de 2017). «Fossil forest reveals sunspot activity in the early Permian». Geology. 45 (2): 279. Bibcode:2017Geo....45..279L. doi:10.1130/G38669.1
Li, Pengbo; et al. (setembro de 2018). «Sunspot cycles recorded in siliciclastic biolaminites at the dawn of the Neoproterozoic Sturtian glaciation in South China». Precambrian Research. 315: 75–91. Bibcode:2018PreR..315...75L. doi:10.1016/j.precamres.2018.07.018
Celia Martin-Puertas; Katja Matthes; Achim Brauer; Raimund Muscheler; Felicitas Hansen; Christof Petrick; Ala Aldahan; Göran Possnert; Bas van Geel (2 de abril de 2012). «Regional atmospheric circulation shifts induced by a grand solar minimum». Nature Geoscience. 5 (6): 397–401. Bibcode:2012NatGe...5..397M. doi:10.1038/ngeo1460
Usoskin, I. G.; Mursula, K.; Arlt, R.; Kovaltsov, G. A. (2009). «A solar cycle lost in 1793–1800: Early sunspot observations resolve the old mystery». The Astrophysical Journal. 700 (2): L154. Bibcode:2009ApJ...700L.154U. arXiv:0907.0063. doi:10.1088/0004-637X/700/2/L154
Brauer, Achim; Possnert, Göran; Aldahan, Ala; Błaszkiewicz, Mirosław; Słowinski, Michał; Ott, Florian; Dräger, Nadine; Mekhaldi, Florian; Adolphi, Florian (31 de maio de 2018). «Synchronizing 10Be in two varved lake sediment records to IntCal13 14C during three grand solar minima». Climate of the Past (em inglês). 14 (5): 687–696. Bibcode:2018CliPa..14..687C. ISSN 1814-9324. doi:10.5194/cp-14-687-2018
Bhowmik, Prantika; Nandy, Dibyendu (6 de dezembro de 2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications (em inglês). 9 (1). 5209 páginas. Bibcode:2018NatCo...9.5209B. ISSN 2041-1723. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0
Willson, Richard C.; H.S. Hudson (1991). «The Sun's luminosity over a complete solar cycle». Nature. 351 (6321): 42–4. Bibcode:1991Natur.351...42W. doi:10.1038/351042a0
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (Fevereiro 1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Chatzistergos, Theodosios; Krivova, Natalie A.; Ermolli, Ilaria (17 de novembro de 2022). «Full-disc Ca ii K observations—A window to past solar magnetism». Frontiers in Astronomy and Space Sciences. 9. 1038949 páginas. Bibcode:2022FrASS...938949C. ISSN 2296-987X. arXiv:2210.13285. doi:10.3389/fspas.2022.1038949
Chatzistergos T, Ermolli I, Krivova NA, Solanki SK, Banerjee D, Barata T, Belik M, et al. (julho 2020). «Analysis of full-disc Ca II K spectroheliograms - III. Plage area composite series covering 1892–2019». Astronomy and Astrophysics. 639: A88. Bibcode:2020A&A...639A..88C. arXiv:2005.01435. doi:10.1051/0004-6361/202037746
Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A.; Barata, Teresa; Carvalho, Sara; Malherbe, Jean-Marie (novembro de 2022). «Scrutinising the relationship between plage areas and sunspot areas and numbers». Astronomy & Astrophysics. 667: A167. Bibcode:2022A&A...667A.167C. ISSN 0004-6361. arXiv:2209.07077. doi:10.1051/0004-6361/202244913
Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K.; Krivova, Natalie A.; Giorgi, Fabrizio; Yeo, Kok Leng (junho de 2019). «Recovering the unsigned photospheric magnetic field from Ca II K observations». Astronomy & Astrophysics. 626: A114. Bibcode:2019A&A...626A.114C. ISSN 0004-6361. arXiv:1905.03453. doi:10.1051/0004-6361/201935131
Babcock, Horace W.; Babcock, Harold D. (março de 1955). «The Sun's Magnetic Field, 1952-1954.». The Astrophysical Journal (em inglês). 121. 349 páginas. Bibcode:1955ApJ...121..349B. ISSN 0004-637X. doi:10.1086/145994
Owens, Mathew J.; Lockwood, Mike; Barnard, Luke A.; Scott, Chris J.; Haines, Carl; Macneil, Allan (20 de maio de 2021). «Extreme Space-Weather Events and the Solar Cycle». Solar Physics (em inglês). 296 (5). 82 páginas. ISSN 1573-093X. doi:10.1007/s11207-021-01831-3
Owens, Mathew J.; Barnard, Luke A.; Pope, Benjamin J. S.; Lockwood, Mike; Usoskin, Ilya; Asvestari, Eleanna (19 de agosto de 2022). «Solar Energetic-Particle Ground-Level Enhancements and the Solar Cycle». Solar Physics (em inglês). 297 (8). 105 páginas. ISSN 1573-093X. doi:10.1007/s11207-022-02037-x
Du, Zhan-Le; Wang, Hua-Ning; He, Xiang-Tao (2006). «The Relation between the Amplitude and the Period of Solar Cycles». Chinese Journal of Astronomy and Astrophysics. 6 (4): 489–494. Bibcode:2006ChJAA...6..489D. doi:10.1088/1009-9271/6/4/12
Sonett, C. P.; Finney, S. A.; Berger, A. (24 de abril de 1990). «The Spectrum of Radiocarbon». Philosophical Transactions of the Royal Society A. 330 (1615): 413–26. Bibcode:1990RSPTA.330..413S. doi:10.1098/rsta.1990.0022
Braun, H; Christl, M; Rahmstorf, S; Ganopolski, A; Mangini, A; Kubatzki, C; Roth, K; Kromer, B (10 de novembro de 2005). «Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model» (PDF). Nature. 438 (7065): 208–11. Bibcode:2005Natur.438..208B. PMID 16281042. doi:10.1038/nature04121
Hathaway, David H.; Wilson, Robert M. (2004). «What the Sunspot Record Tells Us About Space Climate» (PDF). Solar Physics. 224 (1–2): 5–19. Bibcode:2004SoPh..224....5H. doi:10.1007/s11207-005-3996-8. Consultado em 19 de abril de 2007. Arquivado do original (PDF) em 4 de janeiro de 2006
Usoskin I.G. (2017). «A History of Solar Activity over Millennia». Living Reviews in Solar Physics. 14 (3). 3 páginas. Bibcode:2017LRSP...14....3U. arXiv:0810.3972. doi:10.1007/s41116-017-0006-9 PDF Copy
Lockwood M. (2013). «Reconstruction and Prediction of Variations in the Open Solar Magnetic Flux and Interplanetary Conditions». Living Reviews in Solar Physics. 10 (4). 4 páginas. Bibcode:2013LRSP...10....4L. doi:10.12942/lrsp-2013-4 PDF Copy
Owens M.J.; Forsyth R.J. (2013). «The Heliospheric Magnetic Field». Living Reviews in Solar Physics. 10 (5). 5 páginas. Bibcode:2013LRSP...10....5O. arXiv:1002.2934. doi:10.12942/lrsp-2013-5 Verifique o valor de |name-list-format=amp (ajuda)
Vasiliev, S. S.; Dergachev, V. A. (2002). «The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of ¹⁴C data over the last 8000 years». Annales Geophysicae. 20 (1): 115–20. Bibcode:2002AnGeo..20..115V. doi:10.5194/angeo-20-115-2002
Usoskin; et al. (2016). «Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima». Astron. Astrophys. 587: A150. Bibcode:2016A&A...587A.150U. arXiv:1602.02483. doi:10.1051/0004-6361/201527295
Scafetta, Nicola; Milani, Franco; Bianchini, Antonio; Ortolani, Sergio (2016). «On the astronomical origin of the Hallstatt oscillation found in radiocarbon and climate records throughout the Holocene». Earth-Science Reviews. 162: 24–43. Bibcode:2016ESRv..162...24S. arXiv:1610.03096. doi:10.1016/j.earscirev.2016.09.004
Damon, Paul E.; Jirikowic, John L. (31 de março de 2006). «The Sun as a low-frequency harmonic oscillator.». Radiocarbon. 34 (2): 199–205. ISSN 0033-8222. doi:10.2458/azu_js_rc.34.1450
Potgeiter, M. (2013). «Solar Modulation of Cosmic Rays». Living Reviews in Solar Physics. 10 (1): 3. Bibcode:2013LRSP...10....3P. arXiv:1306.4421. doi:10.12942/lrsp-2013-3
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–7. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995
Kopp G (1 de julho de 2016). «Magnitudes and timescales of total solar irradiance variability». Journal of Space Weather and Space Climate. 6: A30. Bibcode:2016JSWSC...6A..30K. arXiv:1606.05258. doi:10.1051/swsc/2016025
Richard C. Willson (16 de maio de 2014). «ACRIM3 and the Total Solar Irradiance database». Astrophysics and Space Science. 352 (2): 341–352. Bibcode:2014Ap&SS.352..341W. doi:10.1007/s10509-014-1961-4
Krivova NA, Solanki SK, Wenzler T (1 de outubro de 2009). «ACRIM-gap and total solar irradiance revisited: Is there a secular trend between 1986 and 1996?». Geophysical Research Letters. 36 (20): L20101. Bibcode:2009GeoRL..3620101K. arXiv:0911.3817. doi:10.1029/2009GL040707
Willson, R.C.; et al. (1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
K.L. Yeo; et al. (23 de setembro de 2014). «Reconstruction of total and spectral solar irradiance from 1974 to 2013 based on KPVT, SoHO/MDI and SDO/HMI observations». Astronomy & Astrophysics. 570: A85. Bibcode:2014A&A...570A..85Y. arXiv:1408.1229. doi:10.1051/0004-6361/201423628
Haigh, J. D; Winning, A. R; Toumi, R; Harder, J. W (6 de outubro de 2010). «An influence of solar spectral variations on radiative forcing of climate» (PDF). Nature. 467 (7316): 696–9. Bibcode:2010Natur.467..696H. PMID 20930841. doi:10.1038/nature09426. hdl:10044/1/18858
Willson RC; Hudson HS (1991). «The Sun's luminosity over a complete solar cycle». Nature. 351 (6321): 42–4. Bibcode:1991Natur.351...42W. doi:10.1038/351042a0
Willson, Richard C. (2014). «ACRIM3 and the Total Solar Irradiance database». Astrophysics and Space Science. 352 (2): 341–352. Bibcode:2014Ap&SS.352..341W. doi:10.1007/s10509-014-1961-4
Willson R.C.; Gulkis S.; Janssen M.; Hudson H.S.; Chapman G.A. (1981). «Observations of solar irradiance variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Willson R.C.; Mordvinov A.V. (2003). «Secular total solar irradiance trend during solar cycles 21–23». Geophys. Res. Lett. 30 (5): 1199. Bibcode:2003GeoRL..30.1199W. doi:10.1029/2002GL016038
Scafetta N.; Willson R.C. (2009). «ACRIM-gap and TSI trend issue resolved using a surface magnetic flux TSI proxy model». Geophys. Res. Lett. 36 (5): L05701. Bibcode:2009GeoRL..36.5701S. doi:10.1029/2008GL036307
Chatzistergos T, Krivova NA, Ermolli I, Kok Leng Y, Mandal S, Solanki SK, Kopp G, Malherbe JM (1 de dezembro de 2021). «Reconstructing solar irradiance from historical Ca II K observations. I. Method and its validation». Astronomy and Astrophysics. 656: A104. Bibcode:2021A&A...656A.104C. arXiv:2109.05844. doi:10.1051/0004-6361/202141516
Solanki SK, Schuessler M, Fligge M (1 de fevereiro de 2002). «Secular variation of the Sun's magnetic flux». Astronomy and Astrophysics. 383 (2): 706–712. Bibcode:2002A&A...383..706S. doi:10.1051/0004-6361:20011790
Haigh, J D (17 de maio de 1996). «The Impact of Solar Variability on Climate». Science. 272 (5264): 981–984. Bibcode:1996Sci...272..981H. PMID 8662582. doi:10.1126/science.272.5264.981
Tapping K.F. (1987). «Recent solar radio astronomy at centimeter wavelength: the temporal variability of the 10.7-cm flux». J. Geophys. Res. 92 (D1): 829–838. Bibcode:1987JGR....92..829T. doi:10.1029/JD092iD01p00829
Tinsley, Brian A.; Yu, Fangqun (2004). «Atmospheric Ionization and Clouds as Links Between Solar Activity and Climate» (PDF). In: Pap, Judit M.; Fox, Peter. Solar Variability and its Effects on Climate. 141. [S.l.]: Geophysical monograph series. pp. 321–339. Bibcode:2004GMS...141..321T. CiteSeerX 10.1.1.175.5237. ISBN 978-0-87590-406-1. doi:10.1029/141GM22. Consultado em 10 de agosto de 2015. Arquivado do original (PDF) em 4 de junho de 2007 «Department of Physics – the University of Texas at Dallas». Consultado em 10 de agosto de 2015. Arquivado do original em 15 de agosto de 2015
Shaviv, Nir J (2005). «On climate response to changes in the cosmic ray flux and radiative budget» (PDF). Journal of Geophysical Research. 110 (A08105): A08105. Bibcode:2005JGRA..110.8105S. arXiv:physics/0409123. doi:10.1029/2004JA010866. Consultado em 17 de junho de 2011
Svensmark, Henrik (2007). «Cosmoclimatology: a new theory emerges». Astronomy & Geophysics. 48 (1): 1.18–1.24. Bibcode:2007A&G....48a..18S. doi:10.1111/j.1468-4004.2007.48118.x
Svensmark, Henrik (1998). «Influence of Cosmic Rays on Earth's Climate» (PDF). Physical Review Letters. 81 (22): 5027–5030. Bibcode:1998PhRvL..81.5027S. CiteSeerX 10.1.1.522.585. doi:10.1103/PhysRevLett.81.5027. Consultado em 17 de junho de 2011
Shaviv, Nir J; Veizer, Ján (2003). «Celestial driver of Phanerozoic climate?». Geological Society of America. 13 (7): 4. doi:10.1130/1052-5173(2003)013<0004:CDOPC>2.0.CO;2 Verifique o valor de |name-list-format=amp (ajuda)
Sun, B.; Bradley, R. (2002). «Solar influences on cosmic rays and cloud formation: A reassessment». Journal of Geophysical Research. 107 (D14). 4211 páginas. Bibcode:2002JGRD..107.4211S. doi:10.1029/2001jd000560
Pierce, J.; Adams, P. (2009). «Can cosmic rays affect cloud condensation nuclei by altering new particle formation rates?». Geophysical Research Letters. 36 (9): 36. Bibcode:2009GeoRL..36.9820P. doi:10.1029/2009gl037946
Snow-Kropla, E.; et al. (Abril 2011). «Cosmic rays, aerosol formation and cloud-condensation nuclei: sensitivities to model uncertainties». Atmospheric Chemistry and Physics. 11 (8): 4001. Bibcode:2011ACP....11.4001S. doi:10.5194/acp-11-4001-2011
Erlykin, A.; et al. (Agosto 2013). «A review of the relevance of the 'CLOUD' results and other recent observations to the possible effect of cosmic rays on the terrestrial climate». Meteorology and Atmospheric Physics. 121 (3): 137. Bibcode:2013MAP...121..137E. arXiv:1308.5067. doi:10.1007/s00703-013-0260-x
National Research Council (1994). «Solar Variations, Ozone, and the Middle Atmosphere». Solar Influences on Global Change. Washington DC: National Academies Press. pp. 66–68. ISBN 978-0-309-05148-4. doi:10.17226/4778. hdl:2060/19950005971
Echer, E; Kirchhoff, VWJH; Sahai, Y; Paes Leme, N (2001). «A study of the solar cycle signal on total ozone over low-latitude Brazilian observation stations». Advances in Space Research. 27 (12): 1983–1986. Bibcode:2001AdSpR..27.1983E. doi:10.1016/S0273-1177(01)00270-8
Ineson S.; Scaife A.A.; Knight J.R.; Manners J.C.; Dunstone N.J.; Gray L.J.; Haigh J.D. (9 de outubro de 2011). «Solar forcing of winter climate variability in the Northern Hemisphere» (PDF). Nature Geoscience. 4 (11): 753–7. Bibcode:2011NatGe...4..753I. doi:10.1038/ngeo1282. hdl:10044/1/18859
Labitzke K.; Matthes K. (2003). «Eleven-year solar cycle variations in the atmosphere: observations, mechanisms and models». The Holocene. 13 (3): 311–7. Bibcode:2003Holoc..13..311L. doi:10.1191/0959683603hl623rp
Zanchettin, D.; Rubino, A.; Traverso, P.; Tomasino, M. (2008). «[Impact of variations in solar activity on hydrological decadal patterns in northern Italy]». Journal of Geophysical Research. 113 (D12): D12102. Bibcode:2008JGRD..11312102Z. doi:10.1029/2007JD009157
C. D. Camp; K. K. Tung (2007). «Surface warming by the solar cycle as revealed by the composite mean difference projection». Geophysical Research Letters. 34 (14): L14703. Bibcode:2007GeoRL..3414703C. doi:10.1029/2007GL030207 Verifique o valor de |name-list-format=amp (ajuda)
Molaverdikhani, Karan; Ajabshirizadeh, A. (2016). «Complexity of the Earth's space–atmosphere interaction region (SAIR) response to the solar flux at 10.7 cm as seen through the evaluation of five solar cycle two-line element (TLE) records». Advances in Space Research. 58 (6): 924–937. Bibcode:2016AdSpR..58..924M. doi:10.1016/j.asr.2016.05.035
Hale, G. E.; Ellerman, F.; Nicholson, S. B.; Joy, A. H. (1919). «The Magnetic Polarity of Sun-Spots». The Astrophysical Journal. 49: 153. Bibcode:1919ApJ....49..153H. doi:10.1086/142452
Route, Matthew (20 de outubro de 2016). «The Discovery of Solar-like Activity Cycles Beyond the End of the Main Sequence?». The Astrophysical Journal Letters. 830 (2): 27. Bibcode:2016ApJ...830L..27R. arXiv:1609.07761. doi:10.3847/2041-8205/830/2/L27
José Abreu; et al. (2012). «Is there a planetary influence on solar activity?» (PDF). Astronomy & Astrophysics. 548: A88. Bibcode:2012A&A...548A..88A. doi:10.1051/0004-6361/201219997
S. Poluianov; I. Usoskin (2014). «Critical Analysis of a Hypothesis of the Planetary Tidal Influence on Solar Activity». Solar Physics. 289 (6): 2333. Bibcode:2014SoPh..289.2333P. arXiv:1401.3547. doi:10.1007/s11207-014-0475-0
F. Stefani; A. Giesecke; T. Weier (maio de 2019). «A Model of a Tidally Synchronized Solar Dynamo». Solar Physics. 294 (5). 60 páginas. Bibcode:2019SoPh..294...60S. arXiv:1803.08692. doi:10.1007/s11207-019-1447-1
K. Petrovay (2019). «Solar Cycle Prediction». Living Reviews in Solar Physics. 7: 6. PMC 4841181. PMID 27194963. doi:10.12942/lrsp-2010-6
P. Bhowmik; D. Nandy (2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications. 9 (1): 5209. Bibcode:2018NatCo...9.5209B. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0

doi.org

Jørgensen, C.S., Karoff, C., Senthamizh Pavai, V. et al. Sol Phys (2019) 294: 77. Springer Netherlands, https://doi.org/10.1007/s11207-019-1465-z
Karoff, Christoffer; Jørgensen, Carsten Sønderskov; Senthamizh Pavai, V.; Arlt, Rainer (12 de junho de 2019). «Christian Horrebow's Sunspot Observations – II. Construction of a Record of Sunspot Positions». Solar Physics. 294 (6). 77 páginas. Bibcode:2019SoPh..294...78K. arXiv:1906.10895. doi:10.1007/s11207-019-1466-y. Consultado em 17 de junho de 2022
Owens, Mathew J.; Lockwood, Mike; Barnard, Luke A.; Scott, Chris J.; Haines, Carl; Macneil, Allan (20 de maio de 2021). «Extreme Space-Weather Events and the Solar Cycle». Solar Physics (em inglês). 296 (5). 82 páginas. ISSN 1573-093X. doi:10.1007/s11207-021-01831-3
Owens, Mathew J.; Barnard, Luke A.; Pope, Benjamin J. S.; Lockwood, Mike; Usoskin, Ilya; Asvestari, Eleanna (19 de agosto de 2022). «Solar Energetic-Particle Ground-Level Enhancements and the Solar Cycle». Solar Physics (em inglês). 297 (8). 105 páginas. ISSN 1573-093X. doi:10.1007/s11207-022-02037-x

esa.int

esa. «SOHO: the new solar cycle starts with a 'bang'» (em inglês). European Space Agency. Consultado em 11 de maio de 2017

grida.no

Houghton, J.T.; Ding, Y.; Griggs, D.J.; Noguer, M., eds. (2001). «6.11 Total Solar Irradiance—Figure 6.6: Global, annual mean radiative forcings (1750 to present)». Climate Change 2001: Working Group I: The Scientific Basis. [S.l.]: Intergovernmental Panel on Climate Change. Consultado em 15 de abril de 2007 ; see also the IPCC Fourth Assessment Report, in which the magnitude of variation in solar irradiance was revised downward, although the evidence of connections between solar variation and certain aspects of climate increased over the same time period: Assessment Report-4, Working group 1, chapter 2 Arquivado em 2013-12-07 no Wayback Machine

handle.net

hdl.handle.net

Haigh, J. D; Winning, A. R; Toumi, R; Harder, J. W (6 de outubro de 2010). «An influence of solar spectral variations on radiative forcing of climate» (PDF). Nature. 467 (7316): 696–9. Bibcode:2010Natur.467..696H. PMID 20930841. doi:10.1038/nature09426. hdl:10044/1/18858
National Research Council (1994). «Solar Variations, Ozone, and the Middle Atmosphere». Solar Influences on Global Change. Washington DC: National Academies Press. pp. 66–68. ISBN 978-0-309-05148-4. doi:10.17226/4778. hdl:2060/19950005971
Ineson S.; Scaife A.A.; Knight J.R.; Manners J.C.; Dunstone N.J.; Gray L.J.; Haigh J.D. (9 de outubro de 2011). «Solar forcing of winter climate variability in the Northern Hemisphere» (PDF). Nature Geoscience. 4 (11): 753–7. Bibcode:2011NatGe...4..753I. doi:10.1038/ngeo1282. hdl:10044/1/18859

harvard.edu

ui.adsabs.harvard.edu

Karoff, Christoffer; Jørgensen, Carsten Sønderskov; Senthamizh Pavai, V.; Arlt, Rainer (12 de junho de 2019). «Christian Horrebow's Sunspot Observations – II. Construction of a Record of Sunspot Positions». Solar Physics. 294 (6). 77 páginas. Bibcode:2019SoPh..294...78K. arXiv:1906.10895. doi:10.1007/s11207-019-1466-y. Consultado em 17 de junho de 2022
Eddy, John A. (junho de 1976). «The Maunder Minimum». Science. 192 (4245): 1189–1202. Bibcode:1976Sci...192.1189E. JSTOR 1742583. PMID 17771739. doi:10.1126/science.192.4245.1189
Usoskin, Ilya G.; Solanki, Sami K.; Kovaltsov, Gennady A. (2007). «Grand minima and maxima of solar activity: New observational constraints» (PDF). Astron. Astrophys. 471 (1): 301–309. Bibcode:2007A&A...471..301U. arXiv:0706.0385. doi:10.1051/0004-6361:20077704
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). «A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s». Physical Review Letters. 91 (21): 211101. Bibcode:2003PhRvL..91u1101U. PMID 14683287. arXiv:astro-ph/0310823. doi:10.1103/PhysRevLett.91.211101
Luthardt, Ludwig; Rößler, Ronny (fevereiro de 2017). «Fossil forest reveals sunspot activity in the early Permian». Geology. 45 (2): 279. Bibcode:2017Geo....45..279L. doi:10.1130/G38669.1
Li, Pengbo; et al. (setembro de 2018). «Sunspot cycles recorded in siliciclastic biolaminites at the dawn of the Neoproterozoic Sturtian glaciation in South China». Precambrian Research. 315: 75–91. Bibcode:2018PreR..315...75L. doi:10.1016/j.precamres.2018.07.018
Celia Martin-Puertas; Katja Matthes; Achim Brauer; Raimund Muscheler; Felicitas Hansen; Christof Petrick; Ala Aldahan; Göran Possnert; Bas van Geel (2 de abril de 2012). «Regional atmospheric circulation shifts induced by a grand solar minimum». Nature Geoscience. 5 (6): 397–401. Bibcode:2012NatGe...5..397M. doi:10.1038/ngeo1460
Usoskin, I. G.; Mursula, K.; Arlt, R.; Kovaltsov, G. A. (2009). «A solar cycle lost in 1793–1800: Early sunspot observations resolve the old mystery». The Astrophysical Journal. 700 (2): L154. Bibcode:2009ApJ...700L.154U. arXiv:0907.0063. doi:10.1088/0004-637X/700/2/L154
Brauer, Achim; Possnert, Göran; Aldahan, Ala; Błaszkiewicz, Mirosław; Słowinski, Michał; Ott, Florian; Dräger, Nadine; Mekhaldi, Florian; Adolphi, Florian (31 de maio de 2018). «Synchronizing 10Be in two varved lake sediment records to IntCal13 14C during three grand solar minima». Climate of the Past (em inglês). 14 (5): 687–696. Bibcode:2018CliPa..14..687C. ISSN 1814-9324. doi:10.5194/cp-14-687-2018
for example: «ADS search for "solar sunspot cycle 25 prediction"». Consultado em 17 de março de 2020
Bhowmik, Prantika; Nandy, Dibyendu (6 de dezembro de 2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications (em inglês). 9 (1). 5209 páginas. Bibcode:2018NatCo...9.5209B. ISSN 2041-1723. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0
Willson, Richard C.; H.S. Hudson (1991). «The Sun's luminosity over a complete solar cycle». Nature. 351 (6321): 42–4. Bibcode:1991Natur.351...42W. doi:10.1038/351042a0
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (Fevereiro 1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Chatzistergos, Theodosios; Krivova, Natalie A.; Ermolli, Ilaria (17 de novembro de 2022). «Full-disc Ca ii K observations—A window to past solar magnetism». Frontiers in Astronomy and Space Sciences. 9. 1038949 páginas. Bibcode:2022FrASS...938949C. ISSN 2296-987X. arXiv:2210.13285. doi:10.3389/fspas.2022.1038949
Chatzistergos T, Ermolli I, Krivova NA, Solanki SK, Banerjee D, Barata T, Belik M, et al. (julho 2020). «Analysis of full-disc Ca II K spectroheliograms - III. Plage area composite series covering 1892–2019». Astronomy and Astrophysics. 639: A88. Bibcode:2020A&A...639A..88C. arXiv:2005.01435. doi:10.1051/0004-6361/202037746
Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A.; Barata, Teresa; Carvalho, Sara; Malherbe, Jean-Marie (novembro de 2022). «Scrutinising the relationship between plage areas and sunspot areas and numbers». Astronomy & Astrophysics. 667: A167. Bibcode:2022A&A...667A.167C. ISSN 0004-6361. arXiv:2209.07077. doi:10.1051/0004-6361/202244913
Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K.; Krivova, Natalie A.; Giorgi, Fabrizio; Yeo, Kok Leng (junho de 2019). «Recovering the unsigned photospheric magnetic field from Ca II K observations». Astronomy & Astrophysics. 626: A114. Bibcode:2019A&A...626A.114C. ISSN 0004-6361. arXiv:1905.03453. doi:10.1051/0004-6361/201935131
Babcock, Horace W.; Babcock, Harold D. (março de 1955). «The Sun's Magnetic Field, 1952-1954.». The Astrophysical Journal (em inglês). 121. 349 páginas. Bibcode:1955ApJ...121..349B. ISSN 0004-637X. doi:10.1086/145994
Du, Zhan-Le; Wang, Hua-Ning; He, Xiang-Tao (2006). «The Relation between the Amplitude and the Period of Solar Cycles». Chinese Journal of Astronomy and Astrophysics. 6 (4): 489–494. Bibcode:2006ChJAA...6..489D. doi:10.1088/1009-9271/6/4/12
Sonett, C. P.; Finney, S. A.; Berger, A. (24 de abril de 1990). «The Spectrum of Radiocarbon». Philosophical Transactions of the Royal Society A. 330 (1615): 413–26. Bibcode:1990RSPTA.330..413S. doi:10.1098/rsta.1990.0022
Braun, H; Christl, M; Rahmstorf, S; Ganopolski, A; Mangini, A; Kubatzki, C; Roth, K; Kromer, B (10 de novembro de 2005). «Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model» (PDF). Nature. 438 (7065): 208–11. Bibcode:2005Natur.438..208B. PMID 16281042. doi:10.1038/nature04121
Hathaway, David H.; Wilson, Robert M. (2004). «What the Sunspot Record Tells Us About Space Climate» (PDF). Solar Physics. 224 (1–2): 5–19. Bibcode:2004SoPh..224....5H. doi:10.1007/s11207-005-3996-8. Consultado em 19 de abril de 2007. Arquivado do original (PDF) em 4 de janeiro de 2006
Usoskin I.G. (2017). «A History of Solar Activity over Millennia». Living Reviews in Solar Physics. 14 (3). 3 páginas. Bibcode:2017LRSP...14....3U. arXiv:0810.3972. doi:10.1007/s41116-017-0006-9 PDF Copy
Lockwood M. (2013). «Reconstruction and Prediction of Variations in the Open Solar Magnetic Flux and Interplanetary Conditions». Living Reviews in Solar Physics. 10 (4). 4 páginas. Bibcode:2013LRSP...10....4L. doi:10.12942/lrsp-2013-4 PDF Copy
Owens M.J.; Forsyth R.J. (2013). «The Heliospheric Magnetic Field». Living Reviews in Solar Physics. 10 (5). 5 páginas. Bibcode:2013LRSP...10....5O. arXiv:1002.2934. doi:10.12942/lrsp-2013-5 Verifique o valor de |name-list-format=amp (ajuda)
Vasiliev, S. S.; Dergachev, V. A. (2002). «The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of ¹⁴C data over the last 8000 years». Annales Geophysicae. 20 (1): 115–20. Bibcode:2002AnGeo..20..115V. doi:10.5194/angeo-20-115-2002
Usoskin; et al. (2016). «Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima». Astron. Astrophys. 587: A150. Bibcode:2016A&A...587A.150U. arXiv:1602.02483. doi:10.1051/0004-6361/201527295
Scafetta, Nicola; Milani, Franco; Bianchini, Antonio; Ortolani, Sergio (2016). «On the astronomical origin of the Hallstatt oscillation found in radiocarbon and climate records throughout the Holocene». Earth-Science Reviews. 162: 24–43. Bibcode:2016ESRv..162...24S. arXiv:1610.03096. doi:10.1016/j.earscirev.2016.09.004
Potgeiter, M. (2013). «Solar Modulation of Cosmic Rays». Living Reviews in Solar Physics. 10 (1): 3. Bibcode:2013LRSP...10....3P. arXiv:1306.4421. doi:10.12942/lrsp-2013-3
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–7. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995
Kopp G (1 de julho de 2016). «Magnitudes and timescales of total solar irradiance variability». Journal of Space Weather and Space Climate. 6: A30. Bibcode:2016JSWSC...6A..30K. arXiv:1606.05258. doi:10.1051/swsc/2016025
Richard C. Willson (16 de maio de 2014). «ACRIM3 and the Total Solar Irradiance database». Astrophysics and Space Science. 352 (2): 341–352. Bibcode:2014Ap&SS.352..341W. doi:10.1007/s10509-014-1961-4
Krivova NA, Solanki SK, Wenzler T (1 de outubro de 2009). «ACRIM-gap and total solar irradiance revisited: Is there a secular trend between 1986 and 1996?». Geophysical Research Letters. 36 (20): L20101. Bibcode:2009GeoRL..3620101K. arXiv:0911.3817. doi:10.1029/2009GL040707
Willson, R.C.; et al. (1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
K.L. Yeo; et al. (23 de setembro de 2014). «Reconstruction of total and spectral solar irradiance from 1974 to 2013 based on KPVT, SoHO/MDI and SDO/HMI observations». Astronomy & Astrophysics. 570: A85. Bibcode:2014A&A...570A..85Y. arXiv:1408.1229. doi:10.1051/0004-6361/201423628
Haigh, J. D; Winning, A. R; Toumi, R; Harder, J. W (6 de outubro de 2010). «An influence of solar spectral variations on radiative forcing of climate» (PDF). Nature. 467 (7316): 696–9. Bibcode:2010Natur.467..696H. PMID 20930841. doi:10.1038/nature09426. hdl:10044/1/18858
Willson RC; Hudson HS (1991). «The Sun's luminosity over a complete solar cycle». Nature. 351 (6321): 42–4. Bibcode:1991Natur.351...42W. doi:10.1038/351042a0
Willson, Richard C. (2014). «ACRIM3 and the Total Solar Irradiance database». Astrophysics and Space Science. 352 (2): 341–352. Bibcode:2014Ap&SS.352..341W. doi:10.1007/s10509-014-1961-4
Willson R.C.; Gulkis S.; Janssen M.; Hudson H.S.; Chapman G.A. (1981). «Observations of solar irradiance variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Willson R.C.; Mordvinov A.V. (2003). «Secular total solar irradiance trend during solar cycles 21–23». Geophys. Res. Lett. 30 (5): 1199. Bibcode:2003GeoRL..30.1199W. doi:10.1029/2002GL016038
Scafetta N.; Willson R.C. (2009). «ACRIM-gap and TSI trend issue resolved using a surface magnetic flux TSI proxy model». Geophys. Res. Lett. 36 (5): L05701. Bibcode:2009GeoRL..36.5701S. doi:10.1029/2008GL036307
Chatzistergos T, Krivova NA, Ermolli I, Kok Leng Y, Mandal S, Solanki SK, Kopp G, Malherbe JM (1 de dezembro de 2021). «Reconstructing solar irradiance from historical Ca II K observations. I. Method and its validation». Astronomy and Astrophysics. 656: A104. Bibcode:2021A&A...656A.104C. arXiv:2109.05844. doi:10.1051/0004-6361/202141516
Solanki SK, Schuessler M, Fligge M (1 de fevereiro de 2002). «Secular variation of the Sun's magnetic flux». Astronomy and Astrophysics. 383 (2): 706–712. Bibcode:2002A&A...383..706S. doi:10.1051/0004-6361:20011790
Haigh, J D (17 de maio de 1996). «The Impact of Solar Variability on Climate». Science. 272 (5264): 981–984. Bibcode:1996Sci...272..981H. PMID 8662582. doi:10.1126/science.272.5264.981
Tapping K.F. (1987). «Recent solar radio astronomy at centimeter wavelength: the temporal variability of the 10.7-cm flux». J. Geophys. Res. 92 (D1): 829–838. Bibcode:1987JGR....92..829T. doi:10.1029/JD092iD01p00829
Tinsley, Brian A.; Yu, Fangqun (2004). «Atmospheric Ionization and Clouds as Links Between Solar Activity and Climate» (PDF). In: Pap, Judit M.; Fox, Peter. Solar Variability and its Effects on Climate. 141. [S.l.]: Geophysical monograph series. pp. 321–339. Bibcode:2004GMS...141..321T. CiteSeerX 10.1.1.175.5237. ISBN 978-0-87590-406-1. doi:10.1029/141GM22. Consultado em 10 de agosto de 2015. Arquivado do original (PDF) em 4 de junho de 2007 «Department of Physics – the University of Texas at Dallas». Consultado em 10 de agosto de 2015. Arquivado do original em 15 de agosto de 2015
Shaviv, Nir J (2005). «On climate response to changes in the cosmic ray flux and radiative budget» (PDF). Journal of Geophysical Research. 110 (A08105): A08105. Bibcode:2005JGRA..110.8105S. arXiv:physics/0409123. doi:10.1029/2004JA010866. Consultado em 17 de junho de 2011
Svensmark, Henrik (2007). «Cosmoclimatology: a new theory emerges». Astronomy & Geophysics. 48 (1): 1.18–1.24. Bibcode:2007A&G....48a..18S. doi:10.1111/j.1468-4004.2007.48118.x
Svensmark, Henrik (1998). «Influence of Cosmic Rays on Earth's Climate» (PDF). Physical Review Letters. 81 (22): 5027–5030. Bibcode:1998PhRvL..81.5027S. CiteSeerX 10.1.1.522.585. doi:10.1103/PhysRevLett.81.5027. Consultado em 17 de junho de 2011
Sun, B.; Bradley, R. (2002). «Solar influences on cosmic rays and cloud formation: A reassessment». Journal of Geophysical Research. 107 (D14). 4211 páginas. Bibcode:2002JGRD..107.4211S. doi:10.1029/2001jd000560
Pierce, J.; Adams, P. (2009). «Can cosmic rays affect cloud condensation nuclei by altering new particle formation rates?». Geophysical Research Letters. 36 (9): 36. Bibcode:2009GeoRL..36.9820P. doi:10.1029/2009gl037946
Snow-Kropla, E.; et al. (Abril 2011). «Cosmic rays, aerosol formation and cloud-condensation nuclei: sensitivities to model uncertainties». Atmospheric Chemistry and Physics. 11 (8): 4001. Bibcode:2011ACP....11.4001S. doi:10.5194/acp-11-4001-2011
Erlykin, A.; et al. (Agosto 2013). «A review of the relevance of the 'CLOUD' results and other recent observations to the possible effect of cosmic rays on the terrestrial climate». Meteorology and Atmospheric Physics. 121 (3): 137. Bibcode:2013MAP...121..137E. arXiv:1308.5067. doi:10.1007/s00703-013-0260-x
Echer, E; Kirchhoff, VWJH; Sahai, Y; Paes Leme, N (2001). «A study of the solar cycle signal on total ozone over low-latitude Brazilian observation stations». Advances in Space Research. 27 (12): 1983–1986. Bibcode:2001AdSpR..27.1983E. doi:10.1016/S0273-1177(01)00270-8
Ineson S.; Scaife A.A.; Knight J.R.; Manners J.C.; Dunstone N.J.; Gray L.J.; Haigh J.D. (9 de outubro de 2011). «Solar forcing of winter climate variability in the Northern Hemisphere» (PDF). Nature Geoscience. 4 (11): 753–7. Bibcode:2011NatGe...4..753I. doi:10.1038/ngeo1282. hdl:10044/1/18859
Labitzke K.; Matthes K. (2003). «Eleven-year solar cycle variations in the atmosphere: observations, mechanisms and models». The Holocene. 13 (3): 311–7. Bibcode:2003Holoc..13..311L. doi:10.1191/0959683603hl623rp
Zanchettin, D.; Rubino, A.; Traverso, P.; Tomasino, M. (2008). «[Impact of variations in solar activity on hydrological decadal patterns in northern Italy]». Journal of Geophysical Research. 113 (D12): D12102. Bibcode:2008JGRD..11312102Z. doi:10.1029/2007JD009157
C. D. Camp; K. K. Tung (2007). «Surface warming by the solar cycle as revealed by the composite mean difference projection». Geophysical Research Letters. 34 (14): L14703. Bibcode:2007GeoRL..3414703C. doi:10.1029/2007GL030207 Verifique o valor de |name-list-format=amp (ajuda)
Molaverdikhani, Karan; Ajabshirizadeh, A. (2016). «Complexity of the Earth's space–atmosphere interaction region (SAIR) response to the solar flux at 10.7 cm as seen through the evaluation of five solar cycle two-line element (TLE) records». Advances in Space Research. 58 (6): 924–937. Bibcode:2016AdSpR..58..924M. doi:10.1016/j.asr.2016.05.035
Hale, G. E.; Ellerman, F.; Nicholson, S. B.; Joy, A. H. (1919). «The Magnetic Polarity of Sun-Spots». The Astrophysical Journal. 49: 153. Bibcode:1919ApJ....49..153H. doi:10.1086/142452
Route, Matthew (20 de outubro de 2016). «The Discovery of Solar-like Activity Cycles Beyond the End of the Main Sequence?». The Astrophysical Journal Letters. 830 (2): 27. Bibcode:2016ApJ...830L..27R. arXiv:1609.07761. doi:10.3847/2041-8205/830/2/L27
José Abreu; et al. (2012). «Is there a planetary influence on solar activity?» (PDF). Astronomy & Astrophysics. 548: A88. Bibcode:2012A&A...548A..88A. doi:10.1051/0004-6361/201219997
S. Poluianov; I. Usoskin (2014). «Critical Analysis of a Hypothesis of the Planetary Tidal Influence on Solar Activity». Solar Physics. 289 (6): 2333. Bibcode:2014SoPh..289.2333P. arXiv:1401.3547. doi:10.1007/s11207-014-0475-0
F. Stefani; A. Giesecke; T. Weier (maio de 2019). «A Model of a Tidally Synchronized Solar Dynamo». Solar Physics. 294 (5). 60 páginas. Bibcode:2019SoPh..294...60S. arXiv:1803.08692. doi:10.1007/s11207-019-1447-1
P. Bhowmik; D. Nandy (2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications. 9 (1): 5209. Bibcode:2018NatCo...9.5209B. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0

adsabs.harvard.edu

Babcock, Horace W.; Babcock, Harold D. (março de 1955). «The Sun's Magnetic Field, 1952-1954.». The Astrophysical Journal (em inglês). 121. 349 páginas. Bibcode:1955ApJ...121..349B. ISSN 0004-637X. doi:10.1086/145994
Damon, Paul E., and Sonett, Charles P., "Solar and terrestrial components of the atmospheric C-14 variation spectrum," In The Sun in Time, Vol. 1, pp. 360–388, University of Arizona Press, Tucson AZ (1991). Abstract (accessed 16 July 2015)

huji.ac.il

phys.huji.ac.il

Shaviv, Nir J (2005). «On climate response to changes in the cosmic ray flux and radiative budget» (PDF). Journal of Geophysical Research. 110 (A08105): A08105. Bibcode:2005JGRA..110.8105S. arXiv:physics/0409123. doi:10.1029/2004JA010866. Consultado em 17 de junho de 2011

imperial.ac.uk

spiral.imperial.ac.uk

Haigh, J. D; Winning, A. R; Toumi, R; Harder, J. W (6 de outubro de 2010). «An influence of solar spectral variations on radiative forcing of climate» (PDF). Nature. 467 (7316): 696–9. Bibcode:2010Natur.467..696H. PMID 20930841. doi:10.1038/nature09426. hdl:10044/1/18858
Ineson S.; Scaife A.A.; Knight J.R.; Manners J.C.; Dunstone N.J.; Gray L.J.; Haigh J.D. (9 de outubro de 2011). «Solar forcing of winter climate variability in the Northern Hemisphere» (PDF). Nature Geoscience. 4 (11): 753–7. Bibcode:2011NatGe...4..753I. doi:10.1038/ngeo1282. hdl:10044/1/18859

ipcc.ch

Houghton, J.T.; Ding, Y.; Griggs, D.J.; Noguer, M., eds. (2001). «6.11 Total Solar Irradiance—Figure 6.6: Global, annual mean radiative forcings (1750 to present)». Climate Change 2001: Working Group I: The Scientific Basis. [S.l.]: Intergovernmental Panel on Climate Change. Consultado em 15 de abril de 2007 ; see also the IPCC Fourth Assessment Report, in which the magnitude of variation in solar irradiance was revised downward, although the evidence of connections between solar variation and certain aspects of climate increased over the same time period: Assessment Report-4, Working group 1, chapter 2 Arquivado em 2013-12-07 no Wayback Machine

archive.ipcc.ch

Forster, P.; V. Ramaswamy; P. Artaxo; T. Berntsen; R. Betts; D.W. Fahey; J. Haywood; J. Lean; D.C. Lowe; G. Myhre; J. Nganga; R. Prinn; G. Raga; M. Schulz; R. Van Dorland (2007), «2.9.1 Uncertainties in Radiative Forcing», in: IPCC AR4 WG1, Chapter 2: Changes in Atmospheric Constituents and Radiative Forcing, ISBN 978-0-521-88009-1

jstor.org

Eddy, John A. (junho de 1976). «The Maunder Minimum». Science. 192 (4245): 1189–1202. Bibcode:1976Sci...192.1189E. JSTOR 1742583. PMID 17771739. doi:10.1126/science.192.4245.1189

livingreviews.org

solarphysics.livingreviews.org

David H. Hathaway, "The Solar Cycle", Living Reviews in Solar Physics, March 2010, Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany. ISSN 1614-4961 (accessed 19 July 2015)
Lockwood M. (2013). «Reconstruction and Prediction of Variations in the Open Solar Magnetic Flux and Interplanetary Conditions». Living Reviews in Solar Physics. 10 (4). 4 páginas. Bibcode:2013LRSP...10....4L. doi:10.12942/lrsp-2013-4 PDF Copy
Owens M.J.; Forsyth R.J. (2013). «The Heliospheric Magnetic Field». Living Reviews in Solar Physics. 10 (5). 5 páginas. Bibcode:2013LRSP...10....5O. arXiv:1002.2934. doi:10.12942/lrsp-2013-5 Verifique o valor de |name-list-format=amp (ajuda)
Joanna D. Haigh "The Sun and the Earth's Climate", Living Reviews in Solar Physics (access date 31 January 2012)

nap.edu

National Research Council (1994). «Solar Variations, Ozone, and the Middle Atmosphere». Solar Influences on Global Change. Washington DC: National Academies Press. pp. 66–68. ISBN 978-0-309-05148-4. doi:10.17226/4778. hdl:2060/19950005971

nasa.gov

science.nasa.gov

Tony Phillips (10 de janeiro de 2008). «Solar Cycle 24 begins». NASA. Consultado em 29 de maio de 2010
Tony Phillips (4 de junho de 2010). «As the Sun Awakens, NASA Keeps a Wary Eye on Space Weather». NASA. Consultado em 18 de maio de 2013
«What's wrong with the Sun? (Nothing) more information: Spotless Days». Arquivado do original em 14 de julho de 2008
Phillips, T. (15 de fevereiro de 2001). «The Sun Does a Flip». NASA. Consultado em 11 de julho de 2009. Arquivado do original em 4 de novembro de 2001

solarscience.msfc.nasa.gov

«NASA/Marshall Solar Physics». nasa.gov. Consultado em 17 de novembro de 2015 Este artigo incorpora texto desta fonte, que está no domínio público.

gcmd.nasa.gov

Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015

science.msfc.nasa.gov

Hathaway, David H.; Wilson, Robert M. (2004). «What the Sunspot Record Tells Us About Space Climate» (PDF). Solar Physics. 224 (1–2): 5–19. Bibcode:2004SoPh..224....5H. doi:10.1007/s11207-005-3996-8. Consultado em 19 de abril de 2007. Arquivado do original (PDF) em 4 de janeiro de 2006

nel.edu

Halberg, F; Cornélissen, G; Otsuka, K; Watanabe, Y; Katinas, GS; Burioka, N; Delyukov, A; Gorgo, Y; Zhao, Z (2000). «Cross-spectrally coherent ~10.5- and 21-year biological and physical cycles, magnetic storms and myocardial infarctions». Neuroendocrinology Letters. 21 (3): 233–258. PMID 11455355. Arquivado do original em 29 de julho de 2008

newscientist.com

Michael Marshall (18 de agosto de 2018). «Rock layers show our sun has been in same cycle for 700 million years». New Scientist
«Centuries-old sketches solve sunspot mystery». New Scientist. 1 de agosto de 2009. p. 10
Sunspot activity impacts on crop success New Scientist, 18 November 2004
"Sunspot activity may be linked to rainfall", New Scientist, 8 Nov., 2008, p. 10.

nih.gov

ncbi.nlm.nih.gov

Eddy, John A. (junho de 1976). «The Maunder Minimum». Science. 192 (4245): 1189–1202. Bibcode:1976Sci...192.1189E. JSTOR 1742583. PMID 17771739. doi:10.1126/science.192.4245.1189
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). «A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s». Physical Review Letters. 91 (21): 211101. Bibcode:2003PhRvL..91u1101U. PMID 14683287. arXiv:astro-ph/0310823. doi:10.1103/PhysRevLett.91.211101
Bhowmik, Prantika; Nandy, Dibyendu (6 de dezembro de 2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications (em inglês). 9 (1). 5209 páginas. Bibcode:2018NatCo...9.5209B. ISSN 2041-1723. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (Fevereiro 1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Braun, H; Christl, M; Rahmstorf, S; Ganopolski, A; Mangini, A; Kubatzki, C; Roth, K; Kromer, B (10 de novembro de 2005). «Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model» (PDF). Nature. 438 (7065): 208–11. Bibcode:2005Natur.438..208B. PMID 16281042. doi:10.1038/nature04121
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–7. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995
Willson, R.C.; et al. (1981). «Observations of Solar Irradiance Variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Haigh, J. D; Winning, A. R; Toumi, R; Harder, J. W (6 de outubro de 2010). «An influence of solar spectral variations on radiative forcing of climate» (PDF). Nature. 467 (7316): 696–9. Bibcode:2010Natur.467..696H. PMID 20930841. doi:10.1038/nature09426. hdl:10044/1/18858
Willson R.C.; Gulkis S.; Janssen M.; Hudson H.S.; Chapman G.A. (1981). «Observations of solar irradiance variability». Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. PMID 17776650. doi:10.1126/science.211.4483.700
Haigh, J D (17 de maio de 1996). «The Impact of Solar Variability on Climate». Science. 272 (5264): 981–984. Bibcode:1996Sci...272..981H. PMID 8662582. doi:10.1126/science.272.5264.981
Halberg, F; Cornélissen, G; Otsuka, K; Watanabe, Y; Katinas, GS; Burioka, N; Delyukov, A; Gorgo, Y; Zhao, Z (2000). «Cross-spectrally coherent ~10.5- and 21-year biological and physical cycles, magnetic storms and myocardial infarctions». Neuroendocrinology Letters. 21 (3): 233–258. PMID 11455355. Arquivado do original em 29 de julho de 2008
K. Petrovay (2019). «Solar Cycle Prediction». Living Reviews in Solar Physics. 7: 6. PMC 4841181. PMID 27194963. doi:10.12942/lrsp-2010-6
P. Bhowmik; D. Nandy (2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications. 9 (1): 5209. Bibcode:2018NatCo...9.5209B. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0

noaa.gov

swpc.noaa.gov

«Solar Cycle 25 Preliminary Forecast | NOAA / NWS Space Weather Prediction Center». www.swpc.noaa.gov
«Solar Cycle Progression». www.swpc.noaa.gov. NOAA / NWS Space Weather Prediction Center. Consultado em 6 de julho de 2015

sxi.ngdc.noaa.gov

«Extreme Space Weather Events». National Geophysical Data Center. Consultado em 17 de novembro de 2015

oma.be

sidc.oma.be

«Sunspot Number graphics». oma.be

oulu.fi

cc.oulu.fi

Usoskin, Ilya G.; Solanki, Sami K.; Kovaltsov, Gennady A. (2007). «Grand minima and maxima of solar activity: New observational constraints» (PDF). Astron. Astrophys. 471 (1): 301–309. Bibcode:2007A&A...471..301U. arXiv:0706.0385. doi:10.1051/0004-6361:20077704
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015
Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–7. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995

physorg.com

«NASA Satellites Capture Start of New Solar Cycle». PhysOrg. 4 de janeiro de 2008. Consultado em 10 de julho de 2009

press.cern

«CERN's CLOUD experiment provides unprecedented insight into cloud formation» (Nota de imprensa). CERN. 25 de agosto de 2011. Consultado em 12 de novembro de 2016

psu.edu

citeseerx.ist.psu.edu

Tinsley, Brian A.; Yu, Fangqun (2004). «Atmospheric Ionization and Clouds as Links Between Solar Activity and Climate» (PDF). In: Pap, Judit M.; Fox, Peter. Solar Variability and its Effects on Climate. 141. [S.l.]: Geophysical monograph series. pp. 321–339. Bibcode:2004GMS...141..321T. CiteSeerX 10.1.1.175.5237. ISBN 978-0-87590-406-1. doi:10.1029/141GM22. Consultado em 10 de agosto de 2015. Arquivado do original (PDF) em 4 de junho de 2007 «Department of Physics – the University of Texas at Dallas». Consultado em 10 de agosto de 2015. Arquivado do original em 15 de agosto de 2015
Svensmark, Henrik (1998). «Influence of Cosmic Rays on Earth's Climate» (PDF). Physical Review Letters. 81 (22): 5027–5030. Bibcode:1998PhRvL..81.5027S. CiteSeerX 10.1.1.522.585. doi:10.1103/PhysRevLett.81.5027. Consultado em 17 de junho de 2011

semanticscholar.org

Eddy, John A. (junho de 1976). «The Maunder Minimum». Science. 192 (4245): 1189–1202. Bibcode:1976Sci...192.1189E. JSTOR 1742583. PMID 17771739. doi:10.1126/science.192.4245.1189
Luthardt, Ludwig; Rößler, Ronny (fevereiro de 2017). «Fossil forest reveals sunspot activity in the early Permian». Geology. 45 (2): 279. Bibcode:2017Geo....45..279L. doi:10.1130/G38669.1
Du, Zhan-Le; Wang, Hua-Ning; He, Xiang-Tao (2006). «The Relation between the Amplitude and the Period of Solar Cycles». Chinese Journal of Astronomy and Astrophysics. 6 (4): 489–494. Bibcode:2006ChJAA...6..489D. doi:10.1088/1009-9271/6/4/12
Zanchettin, D.; Rubino, A.; Traverso, P.; Tomasino, M. (2008). «[Impact of variations in solar activity on hydrological decadal patterns in northern Italy]». Journal of Geophysical Research. 113 (D12): D12102. Bibcode:2008JGRD..11312102Z. doi:10.1029/2007JD009157

sidc.be

«Sunspot Number | SILSO». www.sidc.be

spaceweather.com

«Spotless Days»
«The Most Powerful Solar Flares Ever Recorded». Spaceweather.com

springer.com

link.springer.com

Usoskin I.G. (2017). «A History of Solar Activity over Millennia». Living Reviews in Solar Physics. 14 (3). 3 páginas. Bibcode:2017LRSP...14....3U. arXiv:0810.3972. doi:10.1007/s41116-017-0006-9 PDF Copy

telenet.be

users.telenet.be

«Solaemon's Spotless Days Page»

usgs.gov

pubs.usgs.gov

«The Sun and Climate» (PDF). U.S. Geological Survey. Fact Sheet 0095-00. Consultado em 17 de novembro de 2015

utdallas.edu

Tinsley, Brian A.; Yu, Fangqun (2004). «Atmospheric Ionization and Clouds as Links Between Solar Activity and Climate» (PDF). In: Pap, Judit M.; Fox, Peter. Solar Variability and its Effects on Climate. 141. [S.l.]: Geophysical monograph series. pp. 321–339. Bibcode:2004GMS...141..321T. CiteSeerX 10.1.1.175.5237. ISBN 978-0-87590-406-1. doi:10.1029/141GM22. Consultado em 10 de agosto de 2015. Arquivado do original (PDF) em 4 de junho de 2007 «Department of Physics – the University of Texas at Dallas». Consultado em 10 de agosto de 2015. Arquivado do original em 15 de agosto de 2015

weather.gov

National Weather Service. «Hello Solar Cycle 25». Consultado em 15 de setembro de 2020

web.archive.org

Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred; Beer, Jürg (2004). «Unusual activity of the Sun during recent decades compared to the previous 11,000 years» (PDF). Nature. 431 (7012): 1084–1087. Bibcode:2004Natur.431.1084S. PMID 15510145. doi:10.1038/nature02995. Consultado em 17 de abril de 2007 , «11,000 Year Sunspot Number Reconstruction». Global Change Master Directory. Consultado em 11 de março de 2005. Arquivado do original em 2 de novembro de 2015
«What's wrong with the Sun? (Nothing) more information: Spotless Days». Arquivado do original em 14 de julho de 2008
Hathaway, David H.; Wilson, Robert M. (2004). «What the Sunspot Record Tells Us About Space Climate» (PDF). Solar Physics. 224 (1–2): 5–19. Bibcode:2004SoPh..224....5H. doi:10.1007/s11207-005-3996-8. Consultado em 19 de abril de 2007. Arquivado do original (PDF) em 4 de janeiro de 2006
see table in «Solar Variability: climatic change resulting from changes in the amount of solar energy reaching the upper atmosphere.». Introduction to Quaternary Ecology. Consultado em 16 de julho de 2015. Arquivado do original em 20 de março de 2005
«Total Solar Irradiance Graph from ACRIM page». ACRIM project web page. Consultado em 17 de novembro de 2015. Cópia arquivada em 17 de outubro de 2015
Tinsley, Brian A.; Yu, Fangqun (2004). «Atmospheric Ionization and Clouds as Links Between Solar Activity and Climate» (PDF). In: Pap, Judit M.; Fox, Peter. Solar Variability and its Effects on Climate. 141. [S.l.]: Geophysical monograph series. pp. 321–339. Bibcode:2004GMS...141..321T. CiteSeerX 10.1.1.175.5237. ISBN 978-0-87590-406-1. doi:10.1029/141GM22. Consultado em 10 de agosto de 2015. Arquivado do original (PDF) em 4 de junho de 2007 «Department of Physics – the University of Texas at Dallas». Consultado em 10 de agosto de 2015. Arquivado do original em 15 de agosto de 2015
Halberg, F; Cornélissen, G; Otsuka, K; Watanabe, Y; Katinas, GS; Burioka, N; Delyukov, A; Gorgo, Y; Zhao, Z (2000). «Cross-spectrally coherent ~10.5- and 21-year biological and physical cycles, magnetic storms and myocardial infarctions». Neuroendocrinology Letters. 21 (3): 233–258. PMID 11455355. Arquivado do original em 29 de julho de 2008
Houghton, J.T.; Ding, Y.; Griggs, D.J.; Noguer, M., eds. (2001). «6.11 Total Solar Irradiance—Figure 6.6: Global, annual mean radiative forcings (1750 to present)». Climate Change 2001: Working Group I: The Scientific Basis. [S.l.]: Intergovernmental Panel on Climate Change. Consultado em 15 de abril de 2007 ; see also the IPCC Fourth Assessment Report, in which the magnitude of variation in solar irradiance was revised downward, although the evidence of connections between solar variation and certain aspects of climate increased over the same time period: Assessment Report-4, Working group 1, chapter 2 Arquivado em 2013-12-07 no Wayback Machine
«Sun flips magnetic field». CNN. 16 de fevereiro de 2001. Consultado em 11 de julho de 2009. Arquivado do original em 15 de novembro de 2005 http://www.cnn.com/2001/TECH/space/02/16/sun.flips/index.html
Phillips, T. (15 de fevereiro de 2001). «The Sun Does a Flip». NASA. Consultado em 11 de julho de 2009. Arquivado do original em 4 de novembro de 2001

worldcat.org

Brauer, Achim; Possnert, Göran; Aldahan, Ala; Błaszkiewicz, Mirosław; Słowinski, Michał; Ott, Florian; Dräger, Nadine; Mekhaldi, Florian; Adolphi, Florian (31 de maio de 2018). «Synchronizing 10Be in two varved lake sediment records to IntCal13 14C during three grand solar minima». Climate of the Past (em inglês). 14 (5): 687–696. Bibcode:2018CliPa..14..687C. ISSN 1814-9324. doi:10.5194/cp-14-687-2018
Bhowmik, Prantika; Nandy, Dibyendu (6 de dezembro de 2018). «Prediction of the strength and timing of sunspot cycle 25 reveal decadal-scale space environmental conditions». Nature Communications (em inglês). 9 (1). 5209 páginas. Bibcode:2018NatCo...9.5209B. ISSN 2041-1723. PMC 6283837. PMID 30523260. arXiv:1909.04537. doi:10.1038/s41467-018-07690-0
Chatzistergos, Theodosios; Krivova, Natalie A.; Ermolli, Ilaria (17 de novembro de 2022). «Full-disc Ca ii K observations—A window to past solar magnetism». Frontiers in Astronomy and Space Sciences. 9. 1038949 páginas. Bibcode:2022FrASS...938949C. ISSN 2296-987X. arXiv:2210.13285. doi:10.3389/fspas.2022.1038949
Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A.; Barata, Teresa; Carvalho, Sara; Malherbe, Jean-Marie (novembro de 2022). «Scrutinising the relationship between plage areas and sunspot areas and numbers». Astronomy & Astrophysics. 667: A167. Bibcode:2022A&A...667A.167C. ISSN 0004-6361. arXiv:2209.07077. doi:10.1051/0004-6361/202244913
Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K.; Krivova, Natalie A.; Giorgi, Fabrizio; Yeo, Kok Leng (junho de 2019). «Recovering the unsigned photospheric magnetic field from Ca II K observations». Astronomy & Astrophysics. 626: A114. Bibcode:2019A&A...626A.114C. ISSN 0004-6361. arXiv:1905.03453. doi:10.1051/0004-6361/201935131
Babcock, Horace W.; Babcock, Harold D. (março de 1955). «The Sun's Magnetic Field, 1952-1954.». The Astrophysical Journal (em inglês). 121. 349 páginas. Bibcode:1955ApJ...121..349B. ISSN 0004-637X. doi:10.1086/145994
Owens, Mathew J.; Lockwood, Mike; Barnard, Luke A.; Scott, Chris J.; Haines, Carl; Macneil, Allan (20 de maio de 2021). «Extreme Space-Weather Events and the Solar Cycle». Solar Physics (em inglês). 296 (5). 82 páginas. ISSN 1573-093X. doi:10.1007/s11207-021-01831-3
Owens, Mathew J.; Barnard, Luke A.; Pope, Benjamin J. S.; Lockwood, Mike; Usoskin, Ilya; Asvestari, Eleanna (19 de agosto de 2022). «Solar Energetic-Particle Ground-Level Enhancements and the Solar Cycle». Solar Physics (em inglês). 297 (8). 105 páginas. ISSN 1573-093X. doi:10.1007/s11207-022-02037-x
Damon, Paul E.; Jirikowic, John L. (31 de março de 2006). «The Sun as a low-frequency harmonic oscillator.». Radiocarbon. 34 (2): 199–205. ISSN 0033-8222. doi:10.2458/azu_js_rc.34.1450