Gabay, Jonathan (2006). «23. So What's New?». Gabay's Copywriters' Compendium (Second Edition: The Definitive Professional Writers Guide edición). Oxford: Butterworth-Heinemann. pp. 701. ISBN978-0-7506-8320-3. «Season creep n. Earlier spring weather and other gradual seasonal shifts caused by global climate change.»
«Equinoccios y Solsticios». Fundación Fundación para el Centro Nacional de la Ciencia y la Tecnología (CIENTEC). 2007. Archivado desde el original el 5 de abril de 2018. Consultado el 1 de diciembre de 2019.
«Equinoccios y Solsticios». Fundación para el Centro Nacional de la Ciencia y la Tecnología (CIENTEC). Costa Rica. 2007. Archivado desde el original el 5 de abril de 2018. Consultado el 1 de diciembre de 2019.
Schwartz, M. D.; Ahas, R.; Aasa, A. (2006). «Onset of spring starting earlier across the Northern Hemisphere». Global Change Biology12 (2): 343-351. Bibcode:2006GCBio..12..343S. doi:10.1111/j.1365-2486.2005.01097.x. «SI first leaf dates, measuring change in the start of ‘early spring’ (roughly the time of shrub budburst and lawn first greening), are getting earlier in nearly all parts of the Northern Hemisphere. The average rate of change over the 1955–2002 period is approximately -1.2 days per decade.»
Sherry, R.A.; Zhou, X.; Gu, S.; Arnone Iii, J.A.; Schimel, D.S.; Verburg, P.S.; Wallace, L.L.; Luo, Y. (2007). «Divergence of reproductive phenology under climate warming». Proceedings of the National Academy of Sciences104 (1): 198-202. Bibcode:2007PNAS..104..198S. PMC1713188. PMID17182748. doi:10.1073/pnas.0605642104. «Phenology is a sensitive biosphere indicator of climate change. Long-term surface data and remote sensing measurements indicate that plant phenology has been advanced by 2–3 days in spring and delayed by 0.3–1.6 days in autumn per decade in the past 30–80 years, resulting in extension of the growing season.»
Miller-rushing, A.J.; Katsuki, T.; Primack, R.B.; Ishii, Y.; Lee, S.D.; Higuchi, H. (2007). «Impact of global warming on a group of related species and their hybrids: cherry tree (Rosaceae) flowering at Mt. Takao, Japan». American Journal of Botany94 (9): 1470-8. PMID21636514. doi:10.3732/ajb.94.9.1470. «We examined a 25-yr record (1981–2005) of flowering times for 97 trees, representing 17 species and hybrids of cherry (Cerasus sp. or Prunus sp.) grown at Mt. Takao, in Tokyo, Japan. The cherry trees flowered earlier over time, by an average of 5.5 d over the 25-yr study.»
Richardson, A.D.; Bailey, A.S.; Denny, E.G.; Martin, C.W.; O'Keefe, J. (2006). «Phenology of a northern hardwood forest canopy». Global Change Biology12 (7): 1174-1188. Bibcode:2006GCBio..12.1174R. doi:10.1111/j.1365-2486.2006.01164.x. «...significant trends (P≤0.05) towards an earlier spring (e.g. sugar maple, rate of change=0.18 days earlier/yr), consistent with other studies documenting measurable climate change effects on the onset of spring in both North America and Europe. Our results also suggest that green canopy duration has increased by about 10 days (e.g. sugar maple, rate of change=0.21 days longer/yr) over the period of study.»
Magnuson, J.J.; Robertson, D.M.; Benson, B.J.; Wynne, R.H.; Livingstone, D.M.; Arai, T.; Assel, R.A.; Barry, R.G. et al. (2000). «Historical Trends in Lake and River Ice Cover in the Northern Hemisphere». Science289 (5485): 1743-1746. Bibcode:2000Sci...289.1743M. PMID10976066. doi:10.1126/science.289.5485.1743. «Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846 to 1995. Over these 150 years, changes in freeze dates averaged 5.8 days per 100 years later, and changes in breakup dates averaged 6.5 days per 100 years earlier;».Se sugiere usar |número-autores= (ayuda)
José Alberto Villalobos Morales (18 de marzo de 2019). «La duración de las estaciones *2019*». Física 1011 (Tutor virtual). Costa Rica. Consultado el 9 de diciembre de 2019.
google.com.ar
books.google.com.ar
Aguilar Rodríguez, Armando (2004). Geografia General (2 edición). México: Pearson Educación. p. 36 a 38. ISBN970-26-0537-7. Consultado el 8 de diciembre de 2019.
Ojea, Laura (noviembre de 2018). «Imágenes y datos: así nos afecta el cambio climático». Greenpeace: 18. Consultado el 19 de abril de 2023. «el calor de verano se adelanta a los meses de primavera y se acaba mucho después, bien entrado el otoño, por lo que nos obliga a tener más refuerzos y adaptarnos a estos cambios. Y esto no solo está pasando en España. En Chile, Australia, Canadá, Portugal, California…».
harvard.edu
adsabs.harvard.edu
Schwartz, M. D.; Ahas, R.; Aasa, A. (2006). «Onset of spring starting earlier across the Northern Hemisphere». Global Change Biology12 (2): 343-351. Bibcode:2006GCBio..12..343S. doi:10.1111/j.1365-2486.2005.01097.x. «SI first leaf dates, measuring change in the start of ‘early spring’ (roughly the time of shrub budburst and lawn first greening), are getting earlier in nearly all parts of the Northern Hemisphere. The average rate of change over the 1955–2002 period is approximately -1.2 days per decade.»
Sherry, R.A.; Zhou, X.; Gu, S.; Arnone Iii, J.A.; Schimel, D.S.; Verburg, P.S.; Wallace, L.L.; Luo, Y. (2007). «Divergence of reproductive phenology under climate warming». Proceedings of the National Academy of Sciences104 (1): 198-202. Bibcode:2007PNAS..104..198S. PMC1713188. PMID17182748. doi:10.1073/pnas.0605642104. «Phenology is a sensitive biosphere indicator of climate change. Long-term surface data and remote sensing measurements indicate that plant phenology has been advanced by 2–3 days in spring and delayed by 0.3–1.6 days in autumn per decade in the past 30–80 years, resulting in extension of the growing season.»
Richardson, A.D.; Bailey, A.S.; Denny, E.G.; Martin, C.W.; O'Keefe, J. (2006). «Phenology of a northern hardwood forest canopy». Global Change Biology12 (7): 1174-1188. Bibcode:2006GCBio..12.1174R. doi:10.1111/j.1365-2486.2006.01164.x. «...significant trends (P≤0.05) towards an earlier spring (e.g. sugar maple, rate of change=0.18 days earlier/yr), consistent with other studies documenting measurable climate change effects on the onset of spring in both North America and Europe. Our results also suggest that green canopy duration has increased by about 10 days (e.g. sugar maple, rate of change=0.21 days longer/yr) over the period of study.»
Magnuson, J.J.; Robertson, D.M.; Benson, B.J.; Wynne, R.H.; Livingstone, D.M.; Arai, T.; Assel, R.A.; Barry, R.G. et al. (2000). «Historical Trends in Lake and River Ice Cover in the Northern Hemisphere». Science289 (5485): 1743-1746. Bibcode:2000Sci...289.1743M. PMID10976066. doi:10.1126/science.289.5485.1743. «Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846 to 1995. Over these 150 years, changes in freeze dates averaged 5.8 days per 100 years later, and changes in breakup dates averaged 6.5 days per 100 years earlier;».Se sugiere usar |número-autores= (ayuda)
Stutz, Bruce (21 de abril de 2006). «Suddenly spring». The Record (Bergen County, NJ). Archivado desde el original el 16 de mayo de 2011. Consultado el 23 de diciembre de 2007. «In fact, due to global warming, spring across the Northern Hemisphere arrives a week or more earlier than it did 30 years ago, a phenomenon starting to be known as "season creep."».
ieee.org
spectrum.ieee.org
McFedries, Paul (August 2006). «Changing Climate, Changing Language». IEEE Spectrum. Consultado el 23 de diciembre de 2007. «Did spring seem to arrive a bit earlier than usual this year in your part of the world? That wouldn’t be surprising, because we seem to be undergoing season creep: earlier spring weather and other gradual seasonal shifts, particularly those caused by global climate change.»
imcce.fr
«Le solstice d’été en juin 2019». La lettre d'information (Institut de mécanique céleste et de calcul des éphémérides) (157). junio de 2019. Consultado el 10 de diciembre de 2019.
Rela, Agustín (1985). «Trópicos y estaciones». Revista de enseñanza de a física (Córdoba, Argentina) 1 (2). ISSN0326-7091. Archivado desde el original el 9 de diciembre de 2019. Consultado el 8 de diciembre de 2019.
Williams, Brad (8 de abril de 2007). «Dogwoods to frogs, tulips to snow, Knox shows signs of warming». Knoxville News Sentinel. Consultado el 23 de diciembre de 2007. «Knoxville is now in hardiness Zone 7, a zone where more southern trees and shrubs flourish. The zone shift can be seen all across the northern half of the state. It effectively means plants that once had difficulty growing here are now finding it easier to thrive, said Lisa Stanley, master gardener at Stanley's Greenhouses».
macmillandictionaries.com
Maxwell, Kerry (December 2007). «A review of 2007 in twelve words». MED Magazine. Macmillan English Dictionaries. Consultado el 23 de diciembre de 2007. «It’s a classic case of the newly identified phenomenon of season creep, where Winters are warmer and Spring arrives earlier.»
Standish, E. Myles; Williams, James C. «Orbital Ephemerides of the Sun, Moon, and Planets»(PDF)(en inglés). International Astronomical Union Commission 4: (Ephemerides). Archivado desde el original el 27 de mayo de 2010. Consultado el 3 de abril de 2010. See table 8.10.2. Calculation based upon 1 AU = 149,597,870,700(3) m.
newsbank.com
nl.newsbank.com
«Why Less Winter Ice is the Pitts for State». The Detroit Free Press. 3 de abril de 2006. Consultado el 23 de diciembre de 2007. «Grand Traverse Bay ... froze at least seven winters out of every 10; the rate slipped in the 1980s. In the 1990s, the bay froze only three times. So far this decade, once. Observers see that as one more sign of what some call "season creep," or evidence of global warming.»
newscientist.com
«Early risers». New Scientist167 (2241): 21. 3 de junio de 2000. Consultado el 27 de diciembre de 2007. «North America's Great Lakes are reaching their spring high-water levels a month earlier than they did when records began in 1860. Levels normally rise in the spring as snow melts, but regional temperatures have been rising for the past 90 years, and winter ice cover has been shrinking.»
Sherry, R.A.; Zhou, X.; Gu, S.; Arnone Iii, J.A.; Schimel, D.S.; Verburg, P.S.; Wallace, L.L.; Luo, Y. (2007). «Divergence of reproductive phenology under climate warming». Proceedings of the National Academy of Sciences104 (1): 198-202. Bibcode:2007PNAS..104..198S. PMC1713188. PMID17182748. doi:10.1073/pnas.0605642104. «Phenology is a sensitive biosphere indicator of climate change. Long-term surface data and remote sensing measurements indicate that plant phenology has been advanced by 2–3 days in spring and delayed by 0.3–1.6 days in autumn per decade in the past 30–80 years, resulting in extension of the growing season.»
Miller-rushing, A.J.; Katsuki, T.; Primack, R.B.; Ishii, Y.; Lee, S.D.; Higuchi, H. (2007). «Impact of global warming on a group of related species and their hybrids: cherry tree (Rosaceae) flowering at Mt. Takao, Japan». American Journal of Botany94 (9): 1470-8. PMID21636514. doi:10.3732/ajb.94.9.1470. «We examined a 25-yr record (1981–2005) of flowering times for 97 trees, representing 17 species and hybrids of cherry (Cerasus sp. or Prunus sp.) grown at Mt. Takao, in Tokyo, Japan. The cherry trees flowered earlier over time, by an average of 5.5 d over the 25-yr study.»
Magnuson, J.J.; Robertson, D.M.; Benson, B.J.; Wynne, R.H.; Livingstone, D.M.; Arai, T.; Assel, R.A.; Barry, R.G. et al. (2000). «Historical Trends in Lake and River Ice Cover in the Northern Hemisphere». Science289 (5485): 1743-1746. Bibcode:2000Sci...289.1743M. PMID10976066. doi:10.1126/science.289.5485.1743. «Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846 to 1995. Over these 150 years, changes in freeze dates averaged 5.8 days per 100 years later, and changes in breakup dates averaged 6.5 days per 100 years earlier;».Se sugiere usar |número-autores= (ayuda)
ny.gov
dec.ny.gov
Wake, Cameron (4 de diciembre de 2006). «Climate Change in the Northeast: Past, Present, and Future». Climate Change in the Hudson Valley, NY. Consultado el 27 de diciembre de 2007. «A particularly interesting lake ice record comes from Lake Champlain where they record the ice in date.... Of more significance is the fact that the ice has not frozen in the area of observation in 16 of the past 30 years.»
«Report warns of global warming increase». Portsmouth Herald. Consultado el 27 de diciembre de 2007. «...Jan Pendlebury, executive director of the New Hampshire chapter of the National Environmental Trust, said... 'Global warming is forcing changes to the quintessential indicator that spring has arrived: return of the robin. Recent years have documentation that rather than flying south with other feathered friends, many populations of robins are becoming year-round residents, not only in the southern tier of the state, but as far north as Jackson.'».
semanticscholar.org
Magnuson, J.J.; Robertson, D.M.; Benson, B.J.; Wynne, R.H.; Livingstone, D.M.; Arai, T.; Assel, R.A.; Barry, R.G. et al. (2000). «Historical Trends in Lake and River Ice Cover in the Northern Hemisphere». Science289 (5485): 1743-1746. Bibcode:2000Sci...289.1743M. PMID10976066. doi:10.1126/science.289.5485.1743. «Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846 to 1995. Over these 150 years, changes in freeze dates averaged 5.8 days per 100 years later, and changes in breakup dates averaged 6.5 days per 100 years earlier;».Se sugiere usar |número-autores= (ayuda)
Rela, Agustín (1985). «Trópicos y estaciones». Revista de enseñanza de a física (Córdoba, Argentina) 1 (2). ISSN0326-7091. Archivado desde el original el 9 de diciembre de 2019. Consultado el 8 de diciembre de 2019.
Dybas, Cheryl Lyn (20 de marzo de 2006). «Early Spring Disturbing Life on Northern Rivers». The Washington Post. Consultado el 26 de diciembre de 2007. «Research by [USGS hydrologist Glenn] Hodgkins and USGS scientist Robert Dudley also shows changes in early-spring stream flow across eastern North America from Minnesota to Newfoundland. Rivers are gushing with snow- and ice-melt as much as 10 to 15 days sooner than they did 50 to 90 years ago, based on USGS records.»
web.archive.org
«Equinoccios y Solsticios». Fundación Fundación para el Centro Nacional de la Ciencia y la Tecnología (CIENTEC). 2007. Archivado desde el original el 5 de abril de 2018. Consultado el 1 de diciembre de 2019.
Rela, Agustín (1985). «Trópicos y estaciones». Revista de enseñanza de a física (Córdoba, Argentina) 1 (2). ISSN0326-7091. Archivado desde el original el 9 de diciembre de 2019. Consultado el 8 de diciembre de 2019.
Standish, E. Myles; Williams, James C. «Orbital Ephemerides of the Sun, Moon, and Planets»(PDF)(en inglés). International Astronomical Union Commission 4: (Ephemerides). Archivado desde el original el 27 de mayo de 2010. Consultado el 3 de abril de 2010. See table 8.10.2. Calculation based upon 1 AU = 149,597,870,700(3) m.
«Equinoccios y Solsticios». Fundación para el Centro Nacional de la Ciencia y la Tecnología (CIENTEC). Costa Rica. 2007. Archivado desde el original el 5 de abril de 2018. Consultado el 1 de diciembre de 2019.
Stutz, Bruce (21 de abril de 2006). «Suddenly spring». The Record (Bergen County, NJ). Archivado desde el original el 16 de mayo de 2011. Consultado el 23 de diciembre de 2007. «In fact, due to global warming, spring across the Northern Hemisphere arrives a week or more earlier than it did 30 years ago, a phenomenon starting to be known as "season creep."».
