首页|期刊导航|大气和海洋科学快报(英文版)|Extreme spring cold spells in North China during 1961-2014 and the evolving processes
大气和海洋科学快报(英文版)2018,Vol.11Issue(5):432-437,6.
Extreme spring cold spells in North China during 1961-2014 and the evolving processes
Extreme spring cold spells in North China during 1961-2014 and the evolving processes
摘要
Abstract
华北春季冷事件(俗称‘倒春寒’)对当地冬小麦产量具有显著影响,但相关研究较少.本研究通过对1961-2014年极端春季冷事件(ESCS)的分析,发现ESCS期间,欧亚北部的异常反气旋将北方冷空气源源不断地输送到华北,导致那里出现持续低温.上述环流异常在ESCS发生前10天已经开始出现,之后反气旋式风场距平持续向东南方向移动,导致偏北风距平向华北输送冷空气,ESCS开始.随后,上述环流异常减弱,ESCS在接下来的几天逐渐减弱至结束.上述结果对提高华北春季气温预测具有重要意义.关键词
春季冷事件/华北/春季气温/极端天气/倒春寒Key words
Spring cold spell/North China/spring temperature/extreme weather引用本文复制引用
WANG Yue-Si,Hui-Jun WANG,Tao WANG,Dong GUO..Extreme spring cold spells in North China during 1961-2014 and the evolving processes[J].大气和海洋科学快报(英文版),2018,11(5):432-437,6.基金项目
This work was jointly supported by the National Key R&D Program of China [grant number 2016YFA0600701],the National Natural Science Foundation of China [grant numbers 41675083 and 41210007],and the CAS-PKU Joint Research Program. ()