The large-scale water cycle of the West African monsoon

被引：16

作者：

Bock, O. ^{[1
,2
]}

Guichard, F. ^{[3
]}

Meynadier, R. ^{[2
]}

Gervois, S. ^{[2
]}

Agusti-Panareda, A. ^{[4
]}

Beljaars, A. ^{[4
]}

Boone, A. ^{[3
]}

Nuret, M. ^{[3
]}

Redelsperger, J. -L. ^{[3
]}

Roucou, P. ^{[5
]}

机构：

[1] Inst Geog Natl, Lab Rech Geodesie, ENSG Cite Descartes, F-77455 Champs Sur Marne 2, Marne La Vallee, France

[2] Univ Paris 06, CNRS, LATMOS, Paris, France

[3] Meteo France, GAME CNRM, CNRS, Toulouse, France

[4] ECMWF, Reading, Berks, England

[5] Univ Dijon, CRC, CNRS, F-21004 Dijon, France

来源：

ATMOSPHERIC SCIENCE LETTERS | 2011年 / 12卷 / 01期

关键词：

AMMA; water budget; GPS; numerical weather prediction; West African monsoon; water cycle; VAPOR; AMMA; REANALYSIS; RAINFALL; MOISTURE;

D O I：

10.1002/asl.288

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 vertically integrated water budget of West Africa is investigated with a hybrid dataset based on observational and modelling products elaborated by the African Monsoon Multidisciplinary Analyses (AMMA) and with several numerical weather prediction (NWP) products including the European Centre for Medium-Range Weather Forecasts (ECMWF) AMMA reanalysis. Seasonal and intraseasonal variations are quantified over the period 2002-2007. Links between the budget terms are analyzed regionally, from the Guinean coast to the Sahel zone. Water budgets from the NWP systems are intercompared and evaluated against the hybrid dataset. Large deficiencies are evidenced in all the NWP products. Hypotheses are proposed about their origins and several improvements are foreseen. Copyright (C) 2010 Royal Meteorological Society

引用

页码：51 / 57

页数：7

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