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辽宁西部地区的气候干旱,植被稀疏,土壤瘠薄,水土流失鞍为严重。年平均降水量为363—647毫米,年蒸发量约为降水量的3—3.8倍。各年降水分布极不均匀,最多的年降水量为965毫米,约为常年降水量的188%;最少的年降水量为230毫米,约为常年降水量的45%。降水在一年中分布也极不均匀,夏季雨量最多,6—8月降水约占全年的60—70%,且多
In the western part of Liaoning, the climate is arid, sparsely populated and infertile, and soil erosion is serious. The average annual rainfall of 363-647 mm, the annual evaporation of about 3-3.8 times the precipitation. The distribution of precipitation in each year is extremely uneven. The maximum annual precipitation is 965 millimeters, about 188% of the annual precipitation; the least annual precipitation is 230 millimeters, about 45% of the annual precipitation. Precipitation distribution is also very uneven throughout the year, the most rainfall in summer, June-August precipitation accounts for about 60-70% of the year, and more