安徽农业科学2011，Vol.39Issue(10)：5963-5965,3.
邢台地区近50年初终霜日及无霜期变化分析
The Mutative Analysis of First and Latest Frost Days as well as Frostless Period in Xingtai in Recent 50 Years
杨允凌 1杨丽娜1
作者信息
- 1. 河北省邢台市气象局,河北邢台,054000
- 折叠
摘要
Abstract
Climatological statistics method was adopted to analyze climate characteristics of first and latest frost days as well as frostless period in Xingtai regions during 1961 -2010. The results indicated that the average value of first frost day was October 22 and the absolute variability oftime series was 4.68 days,the linear trend was 0.76 d/10 a,thus,the firust frost day showed the delaying trend; for latest frost days,the average value was March 27 and the absolute variability of time series was 8.35 days,the linear trend was -0. 29 d/10 a,thus,the latest frost days showed advanced trend; for frostless period,the average value was 209 d and the absolute variability of time series was 8. 12 days,the linear trend was 1.10 d/10 a,thus,the frostless period showed a steady growth trend; in addition,the stable variation trend of first and latest frost days as well as frostless period had significant reference value and guidance function for frost forecast.关键词
邢台地区/初霜日/终霜日/无霜期/变化分析Key words
Xingtai regions/ First frost day/ Latest frost day/ Frostless period/ Mutation analysis分类
天文与地球科学引用本文复制引用
杨允凌,杨丽娜..邢台地区近50年初终霜日及无霜期变化分析[J].安徽农业科学,2011,39(10):5963-5965,3.
