The relationship between El Nino and the duration and frequency of the Santa Ana winds of southern California

被引:6
|
作者
Finley, Jason [1 ]
Raphael, Marilyn [1 ]
机构
[1] Univ Calif Los Angeles, Dept Geog, Los Angeles, CA 90095 USA
来源
PROFESSIONAL GEOGRAPHER | 2007年 / 59卷 / 02期
关键词
California; El Nino; Santa Ana winds;
D O I
10.1111/j.1467-9272.2007.00606.x
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
摘要
This study examines the variability of the duration and frequency of Santa Ana winds due to El Nino over a thirty-three-year period. Daily Weather Maps and NCEP/NCAR Reanalysis were used to study large-scale upper-level and surface circulation patterns during wind events. A Student's t-test was used to determine statistically significant changes in the winds during March of El Nino winters. A significant decrease in the duration and frequency of wind events was found in March during El Nino. This can be attributed to the decrease in strength and frequency of the Great Basin high pressure and the increase in wintertime cyclones in southern California.
引用
收藏
页码:184 / 192
页数:9
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