Modeling of erosion and sediment transport in furrows in an irrigated agricultural field in Venezuela.
Keywords:
furrow erosion, sediment transport capacity, chalking, net detachment, erosion, evaluation of models, models based on physical processes.Abstract
d located in the Chirgua River basin, Venezuela. Field data was collected during the 2008-2009 period. Classical models and their modifications were used for estimating the model's particle detachment or net detachment component capacity and the sediment transport capacity. The models were calibrated, validated and tested for different slopes. Comparisons between simulated results with different models and field data indicate that: (a) the particle detachment capacity is better estimated using the excess shear stress linear model, (b) transport capacity limits the sedimentation process; and (c) the detachment capacity and transport capacity determine the distribution of soil erosion over time.Downloads
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By Instituto Mexicano de Tecnología del Agua is distributed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Based on a work at https://www.revistatyca.org.mx/. Permissions beyond what is covered by this license can be found in Editorial Policy.