World Congress of Soil Science Logo 18th World Congress of Soil Science
July 9-15, 2006 - Philadelphia, Pennsylvania, USA
International Union of Soil Sciences

Monday, 10 July 2006 - Friday, 14 July 2006
176-6

This presentation is part of 176: LD Soil Degradation: Processes, Control, and Politics - Poster

The use of rainfall simulators in the quantification of infiltration, run-off and soil losses.

Alberto Sfeir1, Marcelo Varni2, Marcela Piscitelli1, Roberto J. Crespo3, Guadalupe Ares3, and Eduardo Usunoff2. (1) Facultad de Agronomia. Universidad Nacional del Centro de la Provincia de Buenos Aires, San Serapio 423, República de Italia 780, Azul, 7300, Argentina, (2) IHLLA - Universidad Nacional del Centro de la Provincia de Buenos Aires, San Serapio 423, República de Italia 780, Azul, 7300, Argentina, (3) Becario CIC - Facultad de Agronomia. Universidad Nacional del Centro de la Provincia de Buenos Aires, San Serapio 423, República de Italia 780, Azul, 7300, Argentina

The intensification of agricultural production is defining changes in the water dynamics of the landscape. In the centre of the province of Buenos Aires (Argentina) the most important modifications refer to the organic matter balance and the physical state of soil. Therefore, the distribution of soil pores and the distribution of water from rainfalls are affected. Thus, giving rise to the hypothesis that water infiltration of soil is being significantly affected and that superficial run-off as well as the supply of sediments are increasing. Degradation by water erosion and the occurrence of floods might be influenced by these causes. Measurement of infiltration, run-off and the supply of sediments through the use of rainfall simulators in the different representative situations of the area allow for the fast disposal of valuable data applicable to models of quantification of erosion processes and prediction of floods, which at present use theoretical coefficients in their estimations.

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