Root Zone Water Quality Model

Root Zone Water Quality Model

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This publication comes with computer software and presents a comprehensive simulation model designed to predict the hydrologic response, including potential for surface and groundwater contamination, of alternative crop-management systems. It simulates crop development and the movement of water, nutrients and pesticides over and through the root zone for a representative unit area of an agricultural field over multiple years. The model allows simulation of a wide spectrum of management practices and scenarios with special features such as the rapid transport of surface-applied chemicals through macropores to deeper depths and the preferential transport of chemicals within the soil matrix via mobile-immobile zones. The transfer of surface-applied chemicals (pesticides in particular) to runoff water is also an important component.Ring test with the models LEACHP, PRZM-2 and VARLEACH: variability between model users in prediction of pesticide leaching using a standard data set. ... Users manual for the pesticide root zone model (PRZM), release 1, U. S. Environ.

Title:Root Zone Water Quality Model
Author:Lajpat Ahuja, K. W. Rojas, J. D. Hanson
Publisher:Water Resources Publication - 2000


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