| 3D MODEL STUDY ON FOG OVER COMPLEX TERRAIN—PART Ⅰ:NUMERICAL STUDY |
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| 引用本文： | 石春娥,孙学金,杨军,李子华.3D MODEL STUDY ON FOG OVER COMPLEX TERRAIN—PART Ⅰ:NUMERICAL STUDY[J].Acta Meteorologica Sinica,1996(4). |
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| 作者姓名： | 石春娥 孙学金 杨军 李子华 |
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| 作者单位： | Nanjing Institute of Meteorology Nanjing 210044，Nanjing Institute of Meteorology，Nanjing 210044，Nanjing Institute of Meteorology，Nanjing 210044，Nanjing Institute of Meteorology，Nanjing 210044 |
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| 摘 要： | A three-dimensional fog model,suitable for precipitous and complex terrain,is designed contain-ing four prognostic variables—wind speed,potential temperature,specific humidity and mixing ratioof liquid water.The model considers turbulent exchange,the long-wave radiation on the ground sur-face and in the air.the short-wave solar radiation,the evaporation and condensation of moisture andthe surface heat budget and so on.In order to make the model run steadily on precipitous and complexterrain,we have improved the method of calculating horizontal pressure gradient force in the terraincoordinate system.The results coincide on the whole with the actual situation.
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