大气科学学报2011，Vol.34Issue(5)：555-566,12.
三峡库区对局地暴雨和江面大风影响的理论模型
A theoretical model of the effect of the Three Gorges Reservoir on local torrential rain and strong breezes over the reservoir
摘要
Abstract
By using the two-dimensional non-hydrostatic equations and the effect of latent heat of condensation,together with the river-land boundary conditions,we obtain a set of theoretical solutions which is applicable for river-land breeze.The results show that：when 0k1.0 ℃·km-1,the circulation of river breezes is stronger than that of land breezes,which leads to the occurrence of heavy rain over the land more easily than over the reservoir;when k1.0 ℃·km-1,the circulation of river breezes is weaker than that of land breezes,which makes heavy rain occur more easily over the reservoir than over the land.There are strong surface winds when 0.5 ℃·km-1≤k≤0.9 ℃·km-1.The interfaces of the streamlines around the centre of the circulation may be an explanation for the linear echoes which are analogous to shear lines above the land-sea surface on the radar chart.The heavy rain occurs easily when the echoes meet cold front.关键词
三峡库区江陆风/凝结潜热/暴雨/江面大风/理论模式Key words
river-land breezes over the Three Gorges Reservoir/latent heat of condensation/torrential rain/strong surface wind over river/theoretical model分类
天文与地球科学引用本文复制引用
卢晨晨,陆维松,陶丽,邵海燕,陈少平..三峡库区对局地暴雨和江面大风影响的理论模型[J].大气科学学报,2011,34(5):555-566,12.基金项目
国家自然科学基金资助项目 （）
