| INFLUENCE OF SOIL MOISTURE AND VEGETATION ON CLIMATE (Ⅰ)——THEORETICAL ANALYSIS TO PERSISTENCE OF SHORT-TERM CLIMATE ANOMALIES |
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| 引用本文： | 刘永强,叶笃正,季劲钧.INFLUENCE OF SOIL MOISTURE AND VEGETATION ON CLIMATE (Ⅰ)——THEORETICAL ANALYSIS TO PERSISTENCE OF SHORT-TERM CLIMATE ANOMALIES[J].中国科学B辑(英文版),1992(12). |
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| 作者姓名： | 刘永强 叶笃正 季劲钧 |
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| 作者单位： | Institute of Atmospheric Physics，Academia Sinica，Beijing 100080，PRC，Institute of Atmospheric Physics，Academia Sinica，Beijing 100080，PRC，Institute of Atmospheric Physics，Academia Sinica，Beijing 100080，PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China. |
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| 摘 要： | Influence of soil moisture and vegetation on persistence of short-term climate anomalies isanalyzed theoretically through a heat and water balance model in coupled air-land system.It is shown that the soil hydrologic condition, rather than the soil thermal situation, is adominant factor in maintenance of climatic anomalies. The persistence of climate anomaliesis dependent largely on the capacity of water and heat exchange on the land surface. The cli-mate anomalies would persist longer for less soil moisture or vegetation cover. Furthermore,compared with humid areas, the climate anomalies persist longer in an arid climate envi-ronment.
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