摘要
利用青海省黄南地区4个气象观测站1960～2009年降水资料，采用统计分析方法对黄南地区暴雨分布特征进行分析。结果表明，近50年黄南地区暴雨日数呈增加趋势，优干宁镇暴雨日数是4个观测站中最多的，说明暴雨主要出现在黄南偏南地区；月暴雨日数的分布呈单峰型，峰值出现在7～8月份，从9月份开始，暴雨日数逐月减少；暴雨的季节变化也很明显，从地域分布上黄南地区暴雨有自南向北递增的特征。
Abstract
Based on data of precipitation during 1960 -2009 from four meteorological observation stations in Huangnan Tibetan Autonomous Pre-fecture of Qinghai Province, the distribution characteristics of rainstorm in Huangnan region were analyzed by statistical analysis .The results showed that the number of rainstorm days in Huangnan region showed an increasing trend over the past 50 years, and the number of rainstorm days in Youganning Town was the largest among the four stations , showing that rainstorm mainly appeared in the south of Huangnan region .The change in monthly number of rainstorm days had a peak , and it was the largest in July and August and reduced since September .Seasonal chan-ges of rainstorm days were also very obvious.Seen from the geographical distribution of rainstorm in Huangnan region , the number of rainstorm days increased from the south to the north.
国家科技期刊平台
NSTL
维普
万方数据