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Volume 26 Issue 3

May  2009

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Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2009 >  26(3): 423-437

Impact of Increasing Stratospheric Water Vapor on Ozone Depletion and Temperature Change

  • 1.

    College of Atmospheric Science, Lanzhou University, Lanzhou 730000; Institute for Climate and Atmospheric Science, School of Earth and Environment, University of Leeds, UK;Institute for Climate and Atmospheric Science, School of Earth and Environment, University of Leeds, UK;Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029


doi: 10.1007/s00376-009-0423-3

  • Using a detailed, fully coupled chemistry climate model (CCM), the effect of increasing stratospheric H2O on ozone and temperature is investigated. Different CCM time-slice runs have been performed to investigate the chemical and radiative impacts of an assumed 2 ppmv increase in H2O. The chemical effects of this H2O increase lead to an overall decrease of the total column ozone (TCO) by ～1% in the tropics and by a maximum of 12% at southern high latitudes. At northern high latitudes, the TCO is increased by only up to 5% due to stronger transport in the Arctic. A 2-ppmv H2O increase in the model's radiation scheme causes a cooling of the tropical stratosphere of no more than 2 K, but a cooling of more than 4 K at high latitudes. Consequently, the TCO is increased by about 2%--6%. Increasing stratospheric H2O, therefore, cools the stratosphere both directly and indirectly, except in the polar regions where the temperature responds differently due to feedbacks between ozone and H2O changes. The combined chemical and radiative effects of increasing H2O may give rise to more cooling in the tropics and middle latitudes but less cooling in the polar stratosphere. The combined effects of H2O increases on ozone tend to offset each other, except in the Arctic stratosphere where both the radiative and chemical impacts give rise to increased ozone. The chemical and radiative effects of increasing H2O cause dynamical responses in the stratosphere with an evident hemispheric asymmetry. In terms of ozone recovery, increasing the stratospheric H2O is likely to accelerate the recovery in the northern high latitudes and delay it in the southern high latitudes. The modeled ozone recovery is more significant between 2000--2050 than between 2050--2100, driven mainly by the larger relative change in chlorine in the earlier period.
  • [1] Luyang XU, Ke WEI, Xue WU, S. P. SMYSHLYAEV, Wen CHEN, V. Ya. GALIN, 2019: The Effect of Super Volcanic Eruptions on Ozone Depletion in a Chemistry-Climate Model, ADVANCES IN ATMOSPHERIC SCIENCES, , 823-836.  doi: 10.1007/s00376-019-8241-8
    [2] LI Shuanglin, CHEN Xiaoting, 2014: Quantifying the Response Strength of the Southern Stratospheric Polar Vortex to Indian Ocean Warming in Austral Summer, ADVANCES IN ATMOSPHERIC SCIENCES, 31, 492-503.  doi: 10.1007/s00376-013-2322-x
    [3] BI Yun, CHEN Yuejuan, ZHOU Renjun, YI Mingjian, DENG Shumei, 2011: Simulation of the Effect of Water-vapor Increase on Temperature in the Stratosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 832-842.  doi: 10.1007/s00376-010-0047-7
    [4] YANG Jing, BAO Qing, JI Duoying, GONG Daoyi, MAO Rui, ZHANG Ziyin, Seong-Joong KIM, 2014: Simulation and Causes of Eastern Antarctica Surface Cooling Related to Ozone Depletion during Austral Summer in FGOALS-s2, ADVANCES IN ATMOSPHERIC SCIENCES, 31, 1147-1156.  doi: 10.1007/s00376-014-3144-1
    [5] LIU Yi, LIU Chuanxi, Xuexi TIE, GAO Shouting, 2011: Middle Stratospheric Polar Vortex Ozone Budget during the Warming Arctic Winter, 2002--2003, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 985-996.  doi: 10.1007/s00376-010-0045-9
    [6] Shili Yang, Wenjie Dong, JieMing Chou, Yong Zhang, Weixing Zhao, 2024: Regional climate damage quantifications and its impacts on future emission paths using the RICE model, ADVANCES IN ATMOSPHERIC SCIENCES.  doi: 10.1007/s00376-024-3193-z
    [7] Quansheng GE, Haolong LIU, Xiang MA, Jingyun ZHENG, Zhixin HAO, 2017: Characteristics of Temperature Change in China over the Last 2000 years and Spatial Patterns of Dryness/Wetness during Cold and Warm Periods, ADVANCES IN ATMOSPHERIC SCIENCES, 34, 941-951.  doi: 10.1007/s00376-017-6238-8
    [8] Yu FU, Hong LIAO, Yang YANG, 2019: Interannual and Decadal Changes in Tropospheric Ozone in China and the Associated Chemistry-Climate Interactions: A Review, ADVANCES IN ATMOSPHERIC SCIENCES, 36, 975-993.  doi: 10.1007/s00376-019-8216-9
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    [10] LIU Weiyi, QIU Jinhuan, 2012: A Parameterized yet Accurate Model of Ozone and Water Vapor Transmittance in the Solar-to-near-infrared Spectrum, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 599-610.  doi: 10.1007/s00376-011-1076-6
    [11] Venkat NR. Mukku, 1990: The Ozone, Aerosol Depletion and Condensation Nuclei Events in the Stratosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 7, 192-196.  doi: 10.1007/BF02919157
    [12] Wenshou TIAN, Jinlong HUANG, Jiankai ZHANG, Fei XIE, Wuke WANG, Yifeng PENG, 2023: Role of Stratospheric Processes in Climate Change: Advances and Challenges, ADVANCES IN ATMOSPHERIC SCIENCES, 40, 1379-1400.  doi: 10.1007/s00376-023-2341-1
    [13] Jeong-Hyeong LEE, Byungsoo KIM, Keon-Tae SOHN, Won-Tae KOWN, Seung-Ki MIN, 2005: Climate Change Signal Analysis for Northeast Asian Surface Temperature, ADVANCES IN ATMOSPHERIC SCIENCES, 22, 159-171.  doi: 10.1007/BF02918506
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    • Manuscript History

    Manuscript received: 10 May 2009
    Manuscript revised: 10 May 2009
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    Impact of Increasing Stratospheric Water Vapor on Ozone Depletion and Temperature Change

    • 1. College of Atmospheric Science, Lanzhou University, Lanzhou 730000; Institute for Climate and Atmospheric Science, School of Earth and Environment, University of Leeds, UK;Institute for Climate and Atmospheric Science, School of Earth and Environment, University of Leeds, UK;Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029
    • Manuscript received: 2009-05-10
    • Manuscript revised: 2009-05-10

    Abstract: Using a detailed, fully coupled chemistry climate model (CCM), the effect of increasing stratospheric H2O on ozone and temperature is investigated. Different CCM time-slice runs have been performed to investigate the chemical and radiative impacts of an assumed 2 ppmv increase in H2O. The chemical effects of this H2O increase lead to an overall decrease of the total column ozone (TCO) by ～1% in the tropics and by a maximum of 12% at southern high latitudes. At northern high latitudes, the TCO is increased by only up to 5% due to stronger transport in the Arctic. A 2-ppmv H2O increase in the model's radiation scheme causes a cooling of the tropical stratosphere of no more than 2 K, but a cooling of more than 4 K at high latitudes. Consequently, the TCO is increased by about 2%--6%. Increasing stratospheric H2O, therefore, cools the stratosphere both directly and indirectly, except in the polar regions where the temperature responds differently due to feedbacks between ozone and H2O changes. The combined chemical and radiative effects of increasing H2O may give rise to more cooling in the tropics and middle latitudes but less cooling in the polar stratosphere. The combined effects of H2O increases on ozone tend to offset each other, except in the Arctic stratosphere where both the radiative and chemical impacts give rise to increased ozone. The chemical and radiative effects of increasing H2O cause dynamical responses in the stratosphere with an evident hemispheric asymmetry. In terms of ozone recovery, increasing the stratospheric H2O is likely to accelerate the recovery in the northern high latitudes and delay it in the southern high latitudes. The modeled ozone recovery is more significant between 2000--2050 than between 2050--2100, driven mainly by the larger relative change in chlorine in the earlier period.

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