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Estimation of soil erosionability in the stream basin of Pillahuinco Grande, Province of Buenos Aires, Argentina Ciencia e Investigación Agraria
Gaspari,Fernanda J; Rodríguez Vagaría,Alfonso M; Senisterra,Gabriela E.
In a hydrographic watershed, the erosionability (K factor) of the soil evaluation depends on the technical resources, developed applied sciences, and spatial technology available. For the determination of erosionability in the watershed of Pillahuinco Grande s Creek (Argentina) (38°S, 61°15'W), the Universal Soil Loss Equation (USLE) was used by applying a geographic information system (GIS) for the cartographic evaluation. A database of geological, environmental, and soil associations was developed, which indicated that geomorphologic variability, caused by geology and soil, significantly determines the spatial variation of the K factor values, in a range from 0.02 to 0.69 ((t·m²·h)·(ha·J·cm)-1). A new quantification was determined with the simplified K...
Tipo: Journal article Palavras-chave: GIS; Soil; Soil erosion; USLE; Watershed.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100003
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