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Reconciling modeled and observed temperature trends over Antarctica

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Reconciling modeled and observed temperature trends over Antarctica. / Calvo, N.; Garcia, R.R.; Marsh, D.R.; Mills, M.J.; Kinnison, D.E.; Young, P. J.

In: Geophysical Research Letters, Vol. 39, No. 16, L16803, 28.08.2012.

Research output: Contribution to journalJournal article

Harvard

Calvo, N, Garcia, RR, Marsh, DR, Mills, MJ, Kinnison, DE & Young, PJ 2012, 'Reconciling modeled and observed temperature trends over Antarctica', Geophysical Research Letters, vol. 39, no. 16, L16803. https://doi.org/10.1029/2012GL052526

APA

Calvo, N., Garcia, R. R., Marsh, D. R., Mills, M. J., Kinnison, D. E., & Young, P. J. (2012). Reconciling modeled and observed temperature trends over Antarctica. Geophysical Research Letters, 39(16), [ L16803]. https://doi.org/10.1029/2012GL052526

Vancouver

Calvo N, Garcia RR, Marsh DR, Mills MJ, Kinnison DE, Young PJ. Reconciling modeled and observed temperature trends over Antarctica. Geophysical Research Letters. 2012 Aug 28;39(16). L16803. https://doi.org/10.1029/2012GL052526

Author

Calvo, N. ; Garcia, R.R. ; Marsh, D.R. ; Mills, M.J. ; Kinnison, D.E. ; Young, P. J. / Reconciling modeled and observed temperature trends over Antarctica. In: Geophysical Research Letters. 2012 ; Vol. 39, No. 16.

Bibtex

@article{0da9ad2499d04e15a410b938d5a741a7,
title = "Reconciling modeled and observed temperature trends over Antarctica",
abstract = "Over the last three decades, ozone depletion over Antarctica has affected temperature and winds in the lower stratosphere, and even in the troposphere and at the surface. The second Chemistry Climate Model Validation activity (CCMVal2) concluded that chemistry-climate models simulate stratospheric cooling that is too large compared to observations, even though the modeled and observed ozone trends are similar. However, these comparisons were based only on radiosonde data available for 1969–1998. Here, we investigate trends in the Southern Hemisphere polar cap in the latest version of the Community Earth System Model (CESM1) with its high-top atmospheric component, WACCM4, fully coupled to an ocean model. We compare model trends with observations for different periods and with other modeling studies to show much better agreement with more recent data, and conclude that the discrepancy between observed trends and those calculated by high-top models may not be as large as previously reported. ",
author = "N. Calvo and R.R. Garcia and D.R. Marsh and M.J. Mills and D.E. Kinnison and Young, {P. J.}",
note = "{\textcopyright}2012. American Geophysical Union. All Rights Reserved.",
year = "2012",
month = aug
day = "28",
doi = "10.1029/2012GL052526",
language = "English",
volume = "39",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "16",

}

RIS

TY - JOUR

T1 - Reconciling modeled and observed temperature trends over Antarctica

AU - Calvo, N.

AU - Garcia, R.R.

AU - Marsh, D.R.

AU - Mills, M.J.

AU - Kinnison, D.E.

AU - Young, P. J.

N1 - ©2012. American Geophysical Union. All Rights Reserved.

PY - 2012/8/28

Y1 - 2012/8/28

N2 - Over the last three decades, ozone depletion over Antarctica has affected temperature and winds in the lower stratosphere, and even in the troposphere and at the surface. The second Chemistry Climate Model Validation activity (CCMVal2) concluded that chemistry-climate models simulate stratospheric cooling that is too large compared to observations, even though the modeled and observed ozone trends are similar. However, these comparisons were based only on radiosonde data available for 1969–1998. Here, we investigate trends in the Southern Hemisphere polar cap in the latest version of the Community Earth System Model (CESM1) with its high-top atmospheric component, WACCM4, fully coupled to an ocean model. We compare model trends with observations for different periods and with other modeling studies to show much better agreement with more recent data, and conclude that the discrepancy between observed trends and those calculated by high-top models may not be as large as previously reported.

AB - Over the last three decades, ozone depletion over Antarctica has affected temperature and winds in the lower stratosphere, and even in the troposphere and at the surface. The second Chemistry Climate Model Validation activity (CCMVal2) concluded that chemistry-climate models simulate stratospheric cooling that is too large compared to observations, even though the modeled and observed ozone trends are similar. However, these comparisons were based only on radiosonde data available for 1969–1998. Here, we investigate trends in the Southern Hemisphere polar cap in the latest version of the Community Earth System Model (CESM1) with its high-top atmospheric component, WACCM4, fully coupled to an ocean model. We compare model trends with observations for different periods and with other modeling studies to show much better agreement with more recent data, and conclude that the discrepancy between observed trends and those calculated by high-top models may not be as large as previously reported.

U2 - 10.1029/2012GL052526

DO - 10.1029/2012GL052526

M3 - Journal article

VL - 39

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 16

M1 - L16803

ER -