内蒙古满洲里市32年一遇的干旱成因分析

通过对2002年冬季和2003年春、夏季对干旱有影响的气象要素、因子进行对比分析,找出内蒙古满洲里市32年一遇的严重干旱成因。另外还对满洲里市春夏季干旱的成因和干旱的环流形势进行了探讨,结果表明形成满洲里市干旱的一个主要原因是降水量与蒸发量之间的不平衡。由于环流背景、地形影响等原因造成满洲里市降水量偏少,并且由于气温升高,造成了蒸发量的加大,这是近年来满洲里市干旱日趋严重的根本原因之一。

Manzhouli 32-years of Drought Analysis

Through the winter of 2002 and 2003 spring and summer drought affecting the meteorological elements, factors were analyzed to identify Manzhouli 32 years of a severe drought causes. City of Manchuria also the causes of drought in spring and summer and drought circulation patterns are discussed, the results show that the formation of Manzhouli drought precipitation and evaporation is a major cause of the imbalance between the amount. As the circulation background, terrain effects and other causes Manzhouli rain precipitation, and because of higher temperatures, resulting in increased evaporation, which is increasingly serious in recent years of drought Manzhouli fundamental reasons.