CIMA 09099
CENTRO DE INVESTIGACIONES DEL MAR Y LA ATMOSFERA
Unidad Ejecutora - UE
artículos
Título:
Experiments using new initial soil moisture conditions and soil
Autor/es:
MOIRA E. DOYLE; JAVIER TOMASELLA; DANIEL A RODRIGUEZ; SIN CHAN CHOU
Revista:
METEOROLOGY AND ATMOSPHERIC PHYSICS
Editorial:
SPRINGER WIEN
Referencias:
Lugar: Viena; Año: 2013 vol. 121 p. 119 - 136
ISSN:
0177-7971
Resumen:
An effort towards a more realistic representation of soil moisture and its impact on the modeling of weather systems is presented. The Eta model is chosen to perform numerical simulations over South America testing the sensitivity of precipitation to soil type and soil moisture changes simulating the development of a mesoscale convective system over northern Argentina
Modified initial soil moisture conditions for the Eta simulations were obtained from a hydrological balance model developed and running operationally at INPE. A new soil map was elaborated using the available soil profile information from Brazil, Paraguay, Uruguay and Argentina and depicts 18 different soil types.
Results indicate that modifying initial soil moisture conditions and incorporating a new soil map with hydraulic parameters, more representative of South American soils, improves rainfall forecasting both in spatial representation and amounts of daily total precipitation.
