1971～2010年巴彦淖尔市降水变化趋势分析
Analysis on Variation Trend of Precipitation in Bayannaoer City from 1971 to 2010
揣新军 1张瑞1
作者信息
- 1. 内蒙古乌拉特中旗气象局,内蒙古乌拉特中旗015300
- 折叠
摘要
选取巴彦淖尔市1971～2010年的降水序列资料,运用气候学统计分析方法,对降水量的气候倾向率、年际和年代际变化、异常特征进行分析.结果表明,近40a巴彦淖尔市年降水量主要表现为微弱增长趋势,各年代降水量平均值呈递增趋势,且降水量的最大值出现在8月;降水量季节变化差异较大,冬、春季表现为增加趋势,夏、秋季表现为减少趋势;从异常特征分析,降水量均表现为异常偏多,且异常年份随季节变化差异显著;就年平均而言,均无异常.
Abstract
Using rainfall data in Bayannaoer City from 1971 to 2010,the climate tendency rate,annual variation,decadal variation and abnormal characteristics of precipitation were analyzed by applying climatology statistical analysis method.The results indicated that annual rainfall was mainly characterized with weak increase trend,and each decade' s average precipitation showed an increasing trend,while the maximum precipitation appeared in August;The precipitation changed with season significantly,it showed the increasing trend in winter and spring,while the decreasing trend in summer and autumn;From abnormal feature analysis,the precipitation were all abnormal,and significant difference was found in abnormal years changed with seasons;In terms of annual average precipitation,it was normal.
关键词
降水量/变化趋势/气候倾向率/巴彦淖尔市Key words
Precipitation/Variation trend/Climate tendency rate/Bayannaoer City引用本文复制引用
出版年
2016
国家科技期刊平台
NSTL
维普
万方数据