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Artículo

Characterization of the seasonal variation of soil moisture in Argentina

Fernández Long, María Elena; Peretti, Mercedes; Carnelos, Danilo Alejandro; Della Chiesa, TomásIcon ; Spescha, Liliana BeatrizIcon
Fecha de publicación: 07/2020
Editorial: John Wiley & Sons Ltd
Revista: International Journal of Climatology
ISSN: 0899-8418
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Investigación Climatológica

Resumen

Soil moisture is an essential variable for both the agricultural production and the functioning of natural ecosystems, as well as one of the main variables regulating the climate system. Like precipitation, soil moisture has a marked annual cycle that depends mainly on the behaviour of precipitation and evapotranspiration. In this study, we developed a methodology that allows describing and characterizing the annual cycle of soil moisture in Argentina. For this purpose, we estimated soil moisture at 121 sites of Argentina by means of a simple hydrological balance (the BHOA, an acronym for its name in Spanish: “Balance Hidrológico Operativo para el Agro”) and analysed its intra-annual variability by means of different indices. This methodology allowed recognizing five different annual behaviours, with a consistent geographical pattern throughout Argentina. The characterization was based mainly on the time of occurrence of the annual maximum and minimum values of soil moisture, and secondly by the annual soil moisture content and seasonality. The northwest and part of the centre of Argentina present the minimum soil moisture values in spring and the maximum ones in autumn, while the east and south present the minimum values in summer and the maximum ones in winter. In general, sites with higher soil water content were found to have lower seasonality and vice-versa.
Palabras clave: ANNUAL CYCLE , SEASONAL PATTERNS , SEASONALITY INDEX , SOIL WATER
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/168800
URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/joc.6705
DOI: http://dx.doi.org/10.1002/joc.6705
Colecciones
Articulos(IFEVA)
Articulos de INST.D/INV.FISIOLOGICAS Y ECO.VINCULADAS A L/AGRIC
Citación
Fernández Long, María Elena; Peretti, Mercedes; Carnelos, Danilo Alejandro; Della Chiesa, Tomás; Spescha, Liliana Beatriz; Characterization of the seasonal variation of soil moisture in Argentina; John Wiley & Sons Ltd; International Journal of Climatology; 41; S1; 7-2020; E537-E547
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