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Ice Age Temperature

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Expanded record of temperature change since the end of the last glacial period
Extended record of climate change during the last 5 Myr
Español: Esta figura muestra los cambios de temperatura en la Antártida durante los últimos ciclos glaciares/interglaciares de la actual era del hielo y una comparación con los cambios en el volumen de hielo global. La época actual está a la derecha.

Las dos primeras curvas muestran los cambios locales de temperatura en dos lugares de la Antártida, derivados de las mediciones isotópicas de deuterio (δD) en núcleos de hielo (EPICA Community Members 2004, Petit et al. 1999). El último gráfico muestra una reconstrucción del volumen global de hielo a partir de mediciones de δ18O en foraminíferos bentónicos de un compuesto de núcleos de sedimentos distribuidos por todo el mundo, y está escalado para ajustarse a la escala de las fluctuaciones de la temperatura antártica (Lisiecki y Raymo 2005). Nótese que los cambios en el volumen de hielo global y los cambios en la temperatura antártica están muy correlacionados, por lo que uno es una buena estimación del otro, aunque las diferencias en el registro de sedimentos no reflejan necesariamente las diferencias en la paleotemperatura. Las líneas horizontales indican las temperaturas modernas y el volumen de hielo. Sin embargo, dado que los registros geológicos, como los núcleos de hielo y los sedimentos, representan una media a menudo a escala de miles de años, la comparación directa con los valores actuales puede ser engañosa. Las grandes variaciones a corto plazo del clima antiguo no están presentes en los registros fósiles. Por lo tanto, la comparación no es similar y es científicamente inválida. Las diferencias en la alineación de los distintos rasgos reflejan la incertidumbre de la datación y no indican una cronología diferente en los distintos lugares. Los registros de temperatura de la Antártida indican que el actual ciclo interglacial es relativamente frío en comparación con los anteriores, al menos en estos lugares. La reconstrucción de sedimentos de Liesecki y Raymo (2005) no indica diferencias significativas entre el volumen de hielo moderno y los ciclos interglaciares anteriores, aunque otros estudios informan de volúmenes de hielo ligeramente inferiores / niveles del mar más altos durante los interglaciares de 120 ka y 400 ka (Karner et al. 2001, Hearty y Kaufman 2000).

Hay que tener en cuenta que se cree que los cambios de temperatura en el sitio ecuatorial típico han sido significativamente menores que los cambios observados en las altas latitudes.
English: This figure shows the Antarctic temperature changes during the last several glacial/interglacial cycles of the present ice age and a comparison to changes in global ice volume. The present day is on the right.
The first two curves shows local changes in temperature at two sites in Antarctica as derived from deuterium isotopic measurements (δD) on ice cores (EPICA Community Members 2004, Petit et al. 1999). The final plot shows a reconstruction of global ice volume on δ18O measurements on benthic foraminifera from a composite of globally distributed sediment cores and is scaled to match the scale of fluctuations in Antarctic temperature (Lisiecki and Raymo 2005). Note that changes in global ice volume and changes in Antarctic temperature are highly correlated, so one is a good estimate of the other, but differences in the sediment record do not necessarily reflect differences in paleotemperature. Horizontal lines indicate modern temperatures and ice volume. However, since geological records such as ice cores and sediments represent an average often on the scale of thousands of years, direct comparison to current values can be misleading. Larger, short term variations in ancient climate are not present in the fossil record. Hence the comparison is not comparing like with like and is scientifically invalid. Differences in the alignment of various features reflect dating uncertainty and do not indicate different timing at different sites.
The Antarctic temperature records indicate that the present interglacial is relatively cool compared to previous interglacials, at least at these sites. The Liesecki & Raymo (2005) sediment reconstruction does not indicate significant differences between modern ice volume and previous interglacials, though some other studies do report slightly lower ice volumes / higher sea levels during the 120 ka and 400 ka interglacials (Karner et al. 2001, Hearty and Kaufman 2000).
It should be noted that temperature changes at the typical equatorial site are believed to have been significantly less than the changes observed at high latitude.
Français : Variations des températures en Antarctique lors des derniers cycles glaciaires/interglaciaires, et comparaison avec l'évolution du volume des glaces mondiale (L'époque contemporaine est à droite du graphique). Rappel : les changements de température sur un site équatorial typique auraient été nettement moindres que les changements observés à haute latitude et en zone polaire


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This figure was produced by Robert A. Rohde from publicly available data and is incorporated into the Global Warming Art project.

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References

  • Petit J.R., Jouzel J., Raynaud D., Barkov N.I., Barnola J.M., Basile I., Bender M., Chappellaz J., Davis J., Delaygue G., Delmotte M., Kotlyakov V.M., Legrand M., Lipenkov V., Lorius C., Pépin L., Ritz C., Saltzman E., Stievenard M. (1999) Climate and Atmospheric History of the Past 420,000 years from the Vostok Ice Core, Antarctica, Nature, 399, 429-436. [1]
  • EPICA community members (2004) Eight glacial cycles from an Antarctic ice core, Nature 429:6992, 623-628, doi:10.1038/nature02599. [2]
  • Lisiecki, L. E., and M. E. Raymo (2005), A Pliocene-Pleistocene stack of 57 globally distributed benthic d18O records, Paleoceanography, 20, PA1003, doi:10.1029/2004PA001071. [3]
  • Hearty, P.J. and Kaufman, D.S. (2000) Whole-rock aminostratigraphy and Quaternary sea-level history of the Bahamas, Quaternary Research 54, 163-173.
  • D. B. Karner, J. Levine, B. P. Medeiros, R. A. Muller (2002) Constucting a Stacked Benthic δ18O Record, Paleoceanography 17:0, doi:10.1029/2001PA000667.


Dragons flight's Temperature Record Series
This figure is part of a series of plots created by Dragons flight to illustrate
changes in Earth's temperature and climate across many different time scales.
Time Period: 25 yrs | 150 yrs | 1 kyr | 2 kyr | 12 kyr | 450 kyr | 5 Myr | 65 Myr | 500 Myr
For articles related to this topic see: Temperature record

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Temperature and ice volume changes associated with recent glacials and interglacial

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    fayl, temperature, fayl, faylın, tarixçəsi, fayl, keçidləri, faylın, qlobal, istifadəsidaha, yüksək, versiyası, yoxdur, temperature, 8206, piksel, fayl, həcmi, mime, növü, image, fayl, vikimedia, commons, dadırvə, digər, layihələrdə, istifadə, edilə, bilər, fa. Fayl Faylin tarixcesi Fayl kecidleri Faylin qlobal istifadesiDaha yuksek versiyasi yoxdur Ice Age Temperature png 8206 564 377 piksel fayl hecmi 44 KB MIME novu image png Bu fayl Vikimedia Commons dadirve diger layihelerde istifade edile biler Faylin tesvir sehifesine get Xulase Expanded record of temperature change since the end of the last glacial period Extended record of climate change during the last 5 Myr Espanol Esta figura muestra los cambios de temperatura en la Antartida durante los ultimos ciclos glaciares interglaciares de la actual era del hielo y una comparacion con los cambios en el volumen de hielo global La epoca actual esta a la derecha Las dos primeras curvas muestran los cambios locales de temperatura en dos lugares de la Antartida derivados de las mediciones isotopicas de deuterio dD en nucleos de hielo EPICA Community Members 2004 Petit et al 1999 El ultimo grafico muestra una reconstruccion del volumen global de hielo a partir de mediciones de d18O en foraminiferos bentonicos de un compuesto de nucleos de sedimentos distribuidos por todo el mundo y esta escalado para ajustarse a la escala de las fluctuaciones de la temperatura antartica Lisiecki y Raymo 2005 Notese que los cambios en el volumen de hielo global y los cambios en la temperatura antartica estan muy correlacionados por lo que uno es una buena estimacion del otro aunque las diferencias en el registro de sedimentos no reflejan necesariamente las diferencias en la paleotemperatura Las lineas horizontales indican las temperaturas modernas y el volumen de hielo Sin embargo dado que los registros geologicos como los nucleos de hielo y los sedimentos representan una media a menudo a escala de miles de anos la comparacion directa con los valores actuales puede ser enganosa Las grandes variaciones a corto plazo del clima antiguo no estan presentes en los registros fosiles Por lo tanto la comparacion no es similar y es cientificamente invalida Las diferencias en la alineacion de los distintos rasgos reflejan la incertidumbre de la datacion y no indican una cronologia diferente en los distintos lugares Los registros de temperatura de la Antartida indican que el actual ciclo interglacial es relativamente frio en comparacion con los anteriores al menos en estos lugares La reconstruccion de sedimentos de Liesecki y Raymo 2005 no indica diferencias significativas entre el volumen de hielo moderno y los ciclos interglaciares anteriores aunque otros estudios informan de volumenes de hielo ligeramente inferiores niveles del mar mas altos durante los interglaciares de 120 ka y 400 ka Karner et al 2001 Hearty y Kaufman 2000 Hay que tener en cuenta que se cree que los cambios de temperatura en el sitio ecuatorial tipico han sido significativamente menores que los cambios observados en las altas latitudes English This figure shows the Antarctic temperature changes during the last several glacial interglacial cycles of the present ice age and a comparison to changes in global ice volume The present day is on the right The first two curves shows local changes in temperature at two sites in Antarctica as derived from deuterium isotopic measurements dD on ice cores EPICA Community Members 2004 Petit et al 1999 The final plot shows a reconstruction of global ice volume on d18O measurements on benthic foraminifera from a composite of globally distributed sediment cores and is scaled to match the scale of fluctuations in Antarctic temperature Lisiecki and Raymo 2005 Note that changes in global ice volume and changes in Antarctic temperature are highly correlated so one is a good estimate of the other but differences in the sediment record do not necessarily reflect differences in paleotemperature Horizontal lines indicate modern temperatures and ice volume However since geological records such as ice cores and sediments represent an average often on the scale of thousands of years direct comparison to current values can be misleading Larger short term variations in ancient climate are not present in the fossil record Hence the comparison is not comparing like with like and is scientifically invalid Differences in the alignment of various features reflect dating uncertainty and do not indicate different timing at different sites The Antarctic temperature records indicate that the present interglacial is relatively cool compared to previous interglacials at least at these sites The Liesecki amp Raymo 2005 sediment reconstruction does not indicate significant differences between modern ice volume and previous interglacials though some other studies do report slightly lower ice volumes higher sea levels during the 120 ka and 400 ka interglacials Karner et al 2001 Hearty and Kaufman 2000 It should be noted that temperature changes at the typical equatorial site are believed to have been significantly less than the changes observed at high latitude Francais nbsp Variations des temperatures en Antarctique lors des derniers cycles glaciaires interglaciaires et comparaison avec l evolution du volume des glaces mondiale L epoque contemporaine est a droite du graphique Rappel nbsp les changements de temperature sur un site equatorial typique auraient ete nettement moindres que les changements observes a haute latitude et en zone polaire This graph image could be re created using vector graphics as an SVG file This has several advantages see nbsp Commons Media for cleanup for more information If nbsp an nbsp SVG nbsp form nbsp of nbsp this nbsp image is available please upload it and afterwards replace this template with vector version available i new image name i It is recommended to name the SVG file Ice Age Temperature svg then the template Vector version available or Vva does not need the new image name parameter Copyright This figure was produced by Robert A Rohde from publicly available data and is incorporated into the Global Warming Art project Image from Global Warming Art This image is an original work created for Global Warming Art Please refer to the image description page for more information Bu senedi GNU Azad Senedlesdirme Lisenziyasi Versiya 1 2 ve ya Azad Proqram Fondu terefinden nesr olunan her hansi sonraki versiya sertlerine esasen deyismez bolmeler on qapaq metnleri ve arxa qapaq metnleri olmadan kocurmek yayimlamaq ve ve ya deyisdirmek ucun icaze verilir Lisenziyanin bir nusxesi GNU Azad Senedlesdirme Lisenziyasi adli hisseye daxil edilmisdir http www gnu org copyleft fdl html GFDL GNU Free Documentation License true true Bu fayl Creative Commons Attribution Share Alike 3 0 Sinqapur lisenziyasi altinda yayimlanir Azadsiniz paylasmaq eseri kocurmek paylamaq ve oturmek ucun remiks etmek eseri adaptasiya etmek Asagidaki sertlere riayet etmekle istinad Muvafiq kredit vermelisiniz lisenziyaya bir kecid vermelisiniz ve deyisikliklerin olub olmadigini bildirmelisiniz Bunu her hansi bir aglabatan sekilde ede bilersiniz ancaq lisenziyalasdiricinin sizi ve ya istifadenizi tesdiqlemesini teklif eden bir sekilde deyil benzer paylasma Eseri remix edirsinizse deyisdirirsinizse ve ya uzerinde is aparirsinizsa oz tohfelerinizi orijinalda oldugu kimi eyni ve ya uygun lisenziya altinda yayimlamalisiniz This licensing tag was added to this file as part of the GFDL licensing update http creativecommons org licenses by sa 3 0 CC BY SA 3 0 Creative Commons Attribution Share Alike 3 0 true true References Petit J R Jouzel J Raynaud D Barkov N I Barnola J M Basile I Bender M Chappellaz J Davis J Delaygue G Delmotte M Kotlyakov V M Legrand M Lipenkov V Lorius C Pepin L Ritz C Saltzman E Stievenard M 1999 Climate and Atmospheric History of the Past 420 000 years from the Vostok Ice Core Antarctica Nature 399 429 436 1 EPICA community members 2004 Eight glacial cycles from an Antarctic ice core Nature 429 6992 623 628 doi 10 1038 nature02599 2 Lisiecki L E and M E Raymo 2005 A Pliocene Pleistocene stack of 57 globally distributed benthic d18O records Paleoceanography 20 PA1003 doi 10 1029 2004PA001071 3 Hearty P J and Kaufman D S 2000 Whole rock aminostratigraphy and Quaternary sea level history of the Bahamas Quaternary Research 54 163 173 D B Karner J Levine B P Medeiros R A Muller 2002 Constucting a Stacked Benthic d18O Record Paleoceanography 17 0 doi 10 1029 2001PA000667 Dragons flight s Temperature Record Series This figure is part of a series of plots created by Dragons flight to illustrate changes in Earth s temperature and climate across many different time scales Time Period 25 yrs 150 yrs 1 kyr 2 kyr 12 kyr 450 kyr 5 Myr 65 Myr 500 Myr For articles related to this topic see Temperature recordCaptionsazerbaycancaAdd a one line explanation of what this file representsingilisTemperature and ice volume changes associated with recent glacials and interglacialItems portrayed in this filetesvir edirBuzlaqarasiBuzlaq epoxalaricopyright status nbsp ingiliscopyrighted nbsp ingilislisenziyaGNU Free Documentation License version 1 2 or lateral nbsp ingilisCreative Commons Attribution ShareAlike 3 0 Unported nbsp ingilisMIME type nbsp ingilisimage png Faylin tarixcesi Faylin evvelki versiyasini gormek ucun gun tarix bolmesindeki tarixlere klikleyin Tarix VaxtKicik sekilOlculerIstifadeciSerh indiki15 15 6 may 2012564 377 44 KB Michael VogelReverted to version as of 17 24 5 December 2009 08 00 6 may 2012564 377 27 KB RotatebotBot Image rotated by 180 17 24 5 dekabr 2009564 377 44 KB Wikinist commonswikiChanged the direction for intuitively better left to right proceeding Rudimentary work done solely by copying pasteing and flipping 22 38 4 iyul 2009564 377 19 KB FalcorianLossless compression with pngout 22 51 17 dekabr 2005564 377 27 KB Saperaud commonswiki 039 039 039 Description 039 039 039 en Image subst PAGENAME Fayl kecidleri Bu sekile olan kecidler Buzlaq epoxalari Dorduncu dovr buzlasmalari Faylin qlobal istifadesi Bu fayl asagidaki vikilerde istifade olunur ar wikipedia org layihesinde istifadesi بين جليديين ast wikipedia org layihesinde istifadesi Glaciacion be wikipedia org layihesinde istifadesi Aposhni ledavikovy maksimum ca wikipedia org layihesinde istifadesi Paleolitic Epoca glacial da wikipedia org layihesinde istifadesi Mellemistid de wikipedia org layihesinde istifadesi Solutreen Gletscherschwund seit 1850 Diskussion Kontroverse um die globale Erwarmung Archiv 005 en wikipedia org layihesinde istifadesi Ice age Megafauna Talk Human migration User Dragons flight Images Wikipedia Reference desk Archives July 2005 II Interglacial Talk Hoxnian Stage User UBeR GWcleanup User Mporter Climate data User Debnigo Talk Climate change Archive 49 Wikipedia Reference desk Archives Science 2010 February 22 Talk Climate change Archive 67 Wikipedia Reference desk Archives Science 2012 July 24 User Mark Buchanan sandbox Glaciation WIP Talk Climate change Archive 87 eo wikipedia org layihesinde istifadesi Glaciepoko Paleoklimatologio es wikipedia org layihesinde istifadesi Paleolitico Glaciacion Wikiproyecto 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