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Volume 8 Issue 4

Oct.  1991

Article Contents

Numerical Experiments of the Effects of Initial Desert Moisture on the Climate Change


doi: 10.1007/BF02919268

  • A numerical model with the p-sigma incorporated coordinate system and primitive equations is used to simulate the effect of initial soil moisture in desert areas on the climate change. The results show that the present deserts have a tendency to expand. When the initial soil moisture in the desert regions increases, the desert areas will shrink but can not disappear. The small deserts may not remain any longer when there are sources of water vapour around. Both the land-sea contrast and the topography are the background conditions of the present desert distribution through the mechanism of the downdrafts and the rare precipitation over the desert regions. The increase of the initial desert soil moisture will weaken the summer monsoon circulation and, consequently, the monsoonal precipitation.
  • [1] Gao Xuejie, Zhao Zongci, Ding Yihui, Huang Ronghui, Filippo Giorgi, 2001: Climate Change due to Greenhouse Effects in China as Simulated by a Regional Climate Model, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 1224-1230.  doi: 10.1007/s00376-001-0036-y
    [2] GAO Xuejie, LUO Yong, LIN Wantao, ZHAO Zongci, Filippo GIORGI, 2003: Simulation of Effects of Land Use Change on Climate in China by a Regional Climate Model, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 583-592.  doi: 10.1007/BF02915501
    [3] Zheng Weizhong, Ni Yunqi, 1999: Numerical Experiments for the influence of the Transition Zone Migration on Summer Climate in North China, ADVANCES IN ATMOSPHERIC SCIENCES, 16, 367-377.  doi: 10.1007/s00376-999-0016-1
    [4] ZENG Xinmin, LIU Jinbo, MA Zhuguo, SONG Shuai, XI Chaoli, WANG Hanjie, 2010: Study on the Effects of Land Surface Heterogeneitiesin Temperature and Moisture on Annual Scale Regional Climate Simulation, ADVANCES IN ATMOSPHERIC SCIENCES, 27, 154-163.  doi: 10.1007/s00376-009-8117-4
    [5] Zhu Zhengxin, Xiao Jie, 1986: NUMERICAL EXPERIMENTS ON DYNAMIC MECHANISM OF BLOCKING, ADVANCES IN ATMOSPHERIC SCIENCES, 3, 105-114.  doi: 10.1007/BF02680049
    [6] WANG Zhi, GAO Kun, 2003: Sensitivity Experiments of an Eastward-Moving Southwest Vortex to Initial Perturbations, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 638-649.  doi: 10.1007/BF02915507
    [7] Joseph Otterman, Ming-Dah Chou, 1992: Simulation of Desert-Scrub Growth: A Forcing to Warmer and More Pluvial Climate, ADVANCES IN ATMOSPHERIC SCIENCES, 9, 441-450.  doi: 10.1007/BF02677076
    [8] Ni Yunqi, Lin Wuyin, Wang Wanqiu, Yuan Chongguang, Zhang Qin, 1993: Numerical Study for Potential Predictability of Short-Term Anomalous Climate Change Caused by El Nino, ADVANCES IN ATMOSPHERIC SCIENCES, 10, 1-10.  doi: 10.1007/BF02656949
    [9] Zuohao CAO, Da-Lin ZHANG, 2005: Sensitivity of Cyclone Tracks to the Initial Moisture Distribution: A Moist Potential Vorticity Perspective, ADVANCES IN ATMOSPHERIC SCIENCES, 22, 807-820.  doi: 10.1007/BF02918681
    [10] Xu Youping, Xia Daqing, Qian Yueying, 1998: The Water-Bearing Numerical Model and Its Operational Forecasting Experiments Part II: The Operational Forecasting Experiments, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 321-336.  doi: 10.1007/s00376-998-0004-x
    [11] Jianhua LU, 2021: Chen-Chao Koo and the Early Numerical Weather Prediction Experiments in China, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 707-716.  doi: 10.1007/s00376-021-0268-y
    [12] Chen Yuxiang, Ji Liren, Shen Rujin, 1985: THE NUMERICAL EXPERIMENTS ON DYNAMIC FORCING BY THE TIBETAN PLATEAU FOR VARIOUS ZONAL FLOWS, ADVANCES IN ATMOSPHERIC SCIENCES, 2, 189-199.  doi: 10.1007/BF03179751
    [13] Ji Liren, S.Tibaldi, 1984: NUMERICAL EXPERIMENTS ON THE SEASONAL TRANSITION OF GENERAL CIRCULATION OVER ASIA--PART Ⅱ, ADVANCES IN ATMOSPHERIC SCIENCES, 1, 188-205.  doi: 10.1007/BF02678131
    [14] DUAN Anmin, WU Guoxiong, LIU Yimin, MA Yaoming, ZHAO Ping, 2012: Weather and Climate Effects of the Tibetan Plateau, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 978-992.  doi: 10.1007/s00376-012-1220-y
    [15] Pan Xiaoling, Chao Jiping, 2001: The Effects of Climate on Development of Ecosystem in Oasis, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 42-52.  doi: 10.1007/s00376-001-0003-7
    [16] Wang Qianqian, Wang Yinhui, Song Yu, Qian Yongfu, 1994: Numerical Modelling of the Effects of Ozone on the Summer Atmospheric Circulation, ADVANCES IN ATMOSPHERIC SCIENCES, 11, 201-211.  doi: 10.1007/BF02666546
    [17] Chen Panqin, 1985: NUMERICAL SIMULATION FOR THE EFFECTS OF PBL AND THE SURFACE ON POLLUTANT CONCENTRATIONS, ADVANCES IN ATMOSPHERIC SCIENCES, 2, 251-259.  doi: 10.1007/BF03179757
    [18] Zhao Ming, Zeng Xinmin, 2002: A Theoretical Analysis on the Local Climate Change Induced by the Change of Landuse, ADVANCES IN ATMOSPHERIC SCIENCES, 19, 45-63.  doi: 10.1007/s00376-002-0033-9
    [19] Xia Daqing, Xu Youping, 1998: The Water-Bearing Numerical Model and Its Operational Forecasting Experiments Part I: The Water-Bearing Numerical Model, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 221-232.  doi: 10.1007/s00376-998-0041-5
    [20] REN Guoyu, DING Yihui, ZHAO Zongci, ZHENG Jingyun, WU Tongwen, TANG Guoli, XU Ying, 2012: Recent Progress in Studies of Climate Change in China, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 958-977.  doi: 10.1007/s00376-012-1200-2

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Manuscript History

Manuscript received: 10 October 1991
Manuscript revised: 10 October 1991
通讯作者: 陈斌, bchen63@163.com
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Numerical Experiments of the Effects of Initial Desert Moisture on the Climate Change

  • 1. Department of Atmospheric Sciences, Nanjing University, Nanjing 210008

Abstract: A numerical model with the p-sigma incorporated coordinate system and primitive equations is used to simulate the effect of initial soil moisture in desert areas on the climate change. The results show that the present deserts have a tendency to expand. When the initial soil moisture in the desert regions increases, the desert areas will shrink but can not disappear. The small deserts may not remain any longer when there are sources of water vapour around. Both the land-sea contrast and the topography are the background conditions of the present desert distribution through the mechanism of the downdrafts and the rare precipitation over the desert regions. The increase of the initial desert soil moisture will weaken the summer monsoon circulation and, consequently, the monsoonal precipitation.

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