摘要
根据天峻县近50年来的降水量资料,运用统计分析方法,分析天峻县近50年的降水量变化特征。发现天峻县降水量年内分布不均,降水量主要集中在雨季5-9月份,占全年的91%;天峻县年降水日数呈现显著逐年增加的趋势,增加率为10.6天/10年;日降水强度多以小雨(雪)为主;天峻县近50年来年降水量呈上升趋势,上升趋势并不显著,但雨季(6-9月)降水量呈上升趋势,递增率为14.1mm/10年;天峻县目前正处于丰水期。
According Tianjun County nearly 50 years of rainfall data,using statistical methods to analyze Tianjun County nearly 50 years of rainfall variation. Tianjun uneven distribution of rainfall during the year,mainly in the rainy season precipitation in 5-9 months,accounting for 91% of the year; Tianjun day precipitation days showed a significant increasing trend year by year increase was 10. 6 days/10 years; daily precipitation intensity mostly light rain( snow) dominated; Tianjun precipitation recent 50 years upward trend,an upward trend is not significant,but the rainy season( June to September) precipitation upward trend,increasing rate 14. 1mm/10 years; Tianjun County is currently in the wet period.
出处
《青海农林科技》
2017年第1期34-37,共4页
Science and Technology of Qinghai Agriculture and Forestry
关键词
天峻
降水
特征
分析
Tianjun
Precipitation
Characteristics
Analysis