Impact of land use/land cover change on regional hydrometeorology in Amazonia

被引：2
|
作者：
Roy, SB [1 ]
Avissar, R
机构：
[1] Princeton Univ, Dept Ecol & Evolutionary Biol, Princeton Environm Inst, Princeton, NJ 08544 USA
[2] Duke Univ, Dept Civil & Environm Engn, Edmund T Pratt Jr Sch Engn, Durham, NC 27708 USA
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 2002年 / 107卷 / D20期
关键词：
Amazonia; surface heterogeneity; mesoscale flow; RAMS; shallow cumulus; heat flux;
D O I：
暂无
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
[1] A high-resolution mesoscale model was used to investigate the impact of deforestation in Amazonia. Coherent mesoscale circulations were triggered by the surface heterogeneity; synoptic flow did not eliminate the circulations but advected them away from the location where they were generated. This was substantiated by satellite-derived cloud images. These circulations affected the transport of moisture and heat at the synoptic scale and can affect climate. Adequate parameterizations for these processes should be included in GCMs for more accurate climate simulations.
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页数：12
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