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引用本文:陈万隆,孙卫国,周竞南,陈江.青海湖湖陆风的数值研究.湖泊科学,1995,7(4):289-296. DOI:10.18307/1995.0401
Chen Wanlong,Sun Weiguo,Zhou Jingnan,Chen Jiang.A numerical simulation on lake-land breeze of qinghai lake. J. Lake Sci.1995,7(4):289-296. DOI:10.18307/1995.0401
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青海湖湖陆风的数值研究
陈万隆1, 孙卫国1, 周竞南1, 陈江2
1.南京气象学院, 南京 210044;2.新疆气象局, 乌鲁木齐 830002
摘要:
用一个含植被参数化的二维中尺度模式研究青海湖夏季的湖陆风,模拟结果再次表明该模式具有重现局地中尺度环境特征,如冷(热)岛环境和湿岛等。同时表明,模式对植被覆盖度是敏感的,即有稀疏植被覆盖(δ=30%)情况的湖陆风白天比裸地情况要小,夜间则大,湖岸水平温度(或湿度)梯度随植被覆盖度增加而减小。
关键词:  湖陆风  植被覆盖度  青海湖  数值模拟
DOI:10.18307/1995.0401
分类号:
基金项目:国家气象局高原气象研究基金;江苏省自然科学基金共同资助项目(编号:BK93139202)
A numerical simulation on lake-land breeze of qinghai lake
Chen Wanlong1, Sun Weiguo1, Zhou Jingnan1, Chen Jiang2
1.Nanjing Institute of Meleorology, Nanjing 210044;2.Xinjing Meleorological Bur(?), Urumqi 830002
Abstract:
A 2-D mesoscale model including a vegetative land breeze of Qinghai Lake during summer and a eterization is lased to study the lake-ad breeze is again simulated 9 thereby confirming the ability of the model to reproduce the known properties of this local mesoscale circulation, such as cold (heat) island circulation and wet island. The results show that this model is sensitive to changes in the vegetative cover, namely, the lake-land breeze with shore covered by sparse vegetation (δ=30%) is smaller (grenter) than that at daytime (night) in the case of bare shore. It is also shown that the horizontal temperature (or humidity) gradient is decreased when the vegetative cover is increased.
Key words:  Qinghai Lake  lake-bad breeze  vegetative cover  numerical simulation
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