A quick look at the 2012 record flood in the Amazon Basin

被引：69

作者：

Satyamurty, Prakki ^{[1
]}

Wanzeler da Costa, Claudia Priscila ^{[2
]}

Manzi, Antonio Ocimar ^{[3
]}

Candido, Luiz Antonio ^{[3
]}

机构：

[1] Univ Estado Amazonas, CESTU, Programa Posgrad Clima & Ambiente, BR-69080971 Manaus, AM, Brazil

[2] Univ Estado Amazonas, Programa Posgrad Clima & Ambiente, BR-69080971 Manaus, AM, Brazil

[3] Inst Nacl Pesquisa Amazonicas, Manaus, Amazonas, Brazil

来源：

GEOPHYSICAL RESEARCH LETTERS | 2013年 / 40卷 / 07期

关键词：

SOUTHERN-OSCILLATION; PRECIPITATION; VARIABILITY; SIMULATIONS; REANALYSES; RAINFALL; DROUGHT; AMERICA;

D O I：

10.1002/grl.50245

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The water level at the Manaus Port on the Negro River reached its record value of 29.97m on 29 May 2012. This is higher than the previous record in the year 2009 by 20 cm. The rise of the level from November 2011 till the record maximum is the highest in the past several decades. A cooler South Atlantic and a normal or slightly warmer North Atlantic were associated with a record flood in the Amazon Basin in 2012. The seasonal atmospheric moisture convergence and the precipitation over the Amazon Basin are well correlated. During the period October 2011 through May 2012 the moisture-flux convergence was 38% more intense than climatology. The rainfall equivalence of this excess moisture convergence is about 2.5 mm d(-1) in the western Amazon Basin and 1.8 mm d(-1) in the whole Amazon Basin.

引用

页码：1396 / 1401

页数：6

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