Validation of precipitation events in a regional climate model simulation using methods from complex systems theory

被引：4
|
作者：
Pelino, V
Matera, A
Colombo, T
Giorgi, F
机构：
[1] Abdus Salam Int Ctr Theoret Phys, Trieste, Italy
[2] CNMCA, Italian AF, P Di Mare, Italy
[3] Abdus Salam Int Ctr Theoret Phys, Trieste, Italy
来源：
THEORETICAL AND APPLIED CLIMATOLOGY | 2006年 / 84卷 / 04期
关键词：
D O I：
10.1007/s00704-005-0169-5
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
We show that daily precipitation is characterized by a behaviour regulated by power laws. Both for the frequency distribution of both event intensity and drought duration. In this respect, precipitation appears to follow self-organized criticality laws, much as other geophysical phenomena such as avalanches and earthquakes. We use this feature to validate the simulation of daily precipitation events in a inulti-decadal regional climate model experiment for the European region. Our focus is on the Italian peninsula and we show that both the model results and the station observations for daily precipitation intensity and drought length follow power laws with comparable values Of the relevant parameters. We Suggest that complex systems theory can provide useful tools for the validation of precipitation statistics in climate models.
引用
收藏
页码：213 / 218
页数：6
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