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Pathways between soil moisture and precipitation in southeastern South America

By Romina Ruscica, Anna A. Sörensson and Claudio Guillermo Menendez

Abstract

Southeastern South America (SESA) is found to be the main hot spot of soil moisture?evapotranspiration coupling of South America during a dry summer. However, only its eastern part is a soil moisture?precipitation hot spot. Pathways between soil moisture and precipitation are evaluated through studying the coupling of soil moisture with surface and boundary layer variables. The outcome suggests that both the moist static energy and its vertical gradient are important for the development of precipitation, as a result of the total surface heat fluxes that are affected by soil moisture only in the eastern part of SESA.Fil: Ruscica, Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; ArgentinaFil: Sörensson, Anna A.. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; ArgentinaFil: Menendez, Claudio Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias de la Atmósfera y los Océanos; Argentin

Topics: Soil moisture, Precipitation, Coupling strength, Southeastern South America, Meteorología y Ciencias Atmosféricas, Ciencias de la Tierra y relacionadas con el Medio Ambiente, CIENCIAS NATURALES Y EXACTAS
Publisher: Wiley
Year: 2016
DOI identifier: 10.1002/asl2.552
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