Land surface-atmosphere interaction in future South American climate using a multi-model ensemble

被引:29
|
作者
Ruscica, R. C. [1 ]
Menendez, C. G. [1 ,2 ]
Soerensson, A. A. [1 ]
机构
[1] Univ Buenos Aires, Ctr Invest Mar & Atmosfera, Consejo Nacl Invest Cient & Tecn, Ciudad Univ,Int Guiraldes 2160,Pabellon 2,Piso 2, RA-1053 Buenos Aires, DF, Argentina
[2] Univ Buenos Aires, FCEN, Dept Ciencias Atmosfera & Oceanos, RA-1053 Buenos Aires, DF, Argentina
来源
ATMOSPHERIC SCIENCE LETTERS | 2016年 / 17卷 / 02期
关键词
land-atmosphere interaction; soil moisture; precipitation; coupling; South America; regional climate modeling; SOIL-MOISTURE; PRECIPITATION; MODEL; SENSITIVITY; FEEDBACK; WATER; SIMULATION; RESOLUTION; STRENGTH;
D O I
10.1002/asl.635
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The land-atmosphere interaction for reference and future climate is estimated with a regional climate model ensemble. In reference climate, more than 50% of the models show interaction in southeastern South America during austral spring, summer and autumn. In future climate, the region remains a strong hotspot although somewhat weakened due to the wet response that enhance energy limitation on the evapotranspiration. The region of the Brazilian Highlands and Matto Grosso appears as a new extensive hotspot during austral spring. This is related to a dry response which is probably accentuated by land surface feedbacks.
引用
收藏
页码:141 / 147
页数:7
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