| 陕西,陇东农田土壤水分动态模拟预测研究 |
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| 引用本文： | 陈艳春,欧阳海.陕西,陇东农田土壤水分动态模拟预测研究[J].南京气象学院学报,1992,15(1):116-123. |
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| 作者姓名： | 陈艳春 欧阳海 |
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| 作者单位： | 山东省气象科学研究所
(陈艳春)，南京气象学院(欧阳海) |
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| 摘 要： |
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| 关 键 词： | 农田 土壤 水分 温度 动态模拟 |
A STUDY OF THE DYNAMIC SIMULATION AND FORECASTING OF FARMLAND SOIL WATER IN SHANXI AND EASTERN GANSU |
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| Chen Yanchun,Ouyang Hai Meteorological Research Institute. Shandong Province Nanjing Institute of Meteorology.A STUDY OF THE DYNAMIC SIMULATION AND FORECASTING OF FARMLAND SOIL WATER IN SHANXI AND EASTERN GANSU[J].Journal of Nanjing Institute of Meteorology,1992,15(1):116-123. |
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| Authors: | Chen Yanchun Ouyang Hai Meteorological Research Institute Shandong Province Nanjing Institute of Meteorology |
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| Institution: | Chen Yanchun;Ouyang Hai Meteorological Research Institute. Shandong Province Nanjing Institute of Meteorology |
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| Abstract: | By using the soil water and heat diffusion equation,a farmland soil water dy-narnic simulation model is presented for the semiarid, semi-humid and prone-to-drought areas. Testified by observed data in the winter wheat fields, the medel is usedto simulate the farmland soil water dynamic changes using the routine meteorologicaland agrometeorological data from the representative stations in different soil zones of thesaid areas in Shaanxi province and the eastern part of Gansu province. After modifyingthe boundary conditions,the forecasting model is developed and used to predict farmlandsoil water by means of the observed data. Results suggest that it is necessary to considerthe effects of soil temperature and its gradient. The feasibility of simulating farmlandwater using routine meteorological and agrometeorological data is also discussed. |
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| Keywords: | farmland soil water soil temperature soil water flux dynamic simulation |
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