Simulation Of Soil Erosion By Water At The Watershed Level

Agricultural activities have been identified as the largest contributor to nonpoint source pollution of surface water systems. Soil erosion (sediment in the streamflow), nutrients (primarily nitrogen and phosphorus) and pesticides appear to be the major causes for water quality impairments. In this...

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Bibliographic Details
Published in:WIT Transactions on Ecology and the Environment 1995-01, Vol.13
Main Authors: Pinheiro, A, Caussade, B, Ayphassorho, H
Format: Article
Language:English
Subjects:
Agricultural practices
Agricultural watersheds
Agrochemicals
Computer simulation
Mathematical models
Nonpoint source pollution
Nutrients
Pesticides
Phosphorus
Sediment pollution
Soil erosion
Soil pollution
Soil water
Stream discharge
Stream flow
Surface water
Water pollution
Water quality
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Summary:Agricultural activities have been identified as the largest contributor to nonpoint source pollution of surface water systems. Soil erosion (sediment in the streamflow), nutrients (primarily nitrogen and phosphorus) and pesticides appear to be the major causes for water quality impairments. In this work we propose a distributed conceptual watershed modelling for the soil loss. Application sites of different size are located in the south west in France. Comparison between field measurements and numerical simulations give good results. 1 Introduction It is well known that agricultural practices play a major role in the deterioration of water quality; the essential elements are: susp
ISSN:1746-448X
1743-3541
DOI:10.2495/WP950431