当前位置: 首页 > 文章 > 临清市近30a初终霜日及无霜期的变化特征 河北农业科学 2014 (2) 103-105+109
Position: Home > Articles > Analysis on the Changes of the First and Last Frost Date and the Frost-free Period in Linqing City in Recent 30 Years Journal of Hebei Agricultural Sciences 2014 (2) 103-105+109

临清市近30a初终霜日及无霜期的变化特征

作  者:
孔祥良;冯长涛;曹东浩;刘艳荣;韩雪蕾
单  位:
聊城市气象局;临清市气象局
关键词:
初霜日;终霜日;无霜期;气候特征
摘  要:
利用临清市1981~2010年逐日观测资料,对该市初霜日期、终霜日期和无霜期气候特征进行了统计与分析。结果表明:30 a来,霜日有明显的季节性变化,主要发生在冬季,冬季霜日占全年霜日的70%,其中12月霜日最多,达到了595 d,占全年霜日的28%;霜期变化呈现初霜日逐渐推迟、终霜日逐渐提前、无霜期延长的趋势。
译  名:
Analysis on the Changes of the First and Last Frost Date and the Frost-free Period in Linqing City in Recent 30 Years
作  者:
KONG Xiang-liang;FENG Chang-tao;CAO Dong-hao;LIU Yan-rong;HAN Xue-lei;Meteorological Bureau of Linqing City;Meteorological Bureau of Liaocheng City;
关键词:
The first frost date;;The end frost date;;Frost-free period;;Climate characteristics
摘  要:
The statistical and analysis of the climate characteristics of the first frost date,the end frost date and the frost-free period were done with the daily observation data in Linqing City from 1981 to 2010. The results showed that in the recent 30 years,frost dates had obvious seasonal variation,it occured mainly in winter,frost dates in winter accounting for 70% of the year,the most biggest frost date in December,accounting for 28% of the year with 595 days. The first frost date,the last frost date and the frost-free period had trends of gradually delayed, advanced and prolonged,respectively.

相似文章

计量
文章访问数: 10
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊