Soil & Erosion: Definition, Types, Causes & Prevention
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Soil & Erosion: Definition, Types, Causes & Prevention
Soil erosion is the enemy of productive agriculture, depleting agricultural land of valuable topsoil. Learn how to combat erosion by exploring its definition, types, common causes, and effects, then take a look at some methods for prevention.
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Use the Online GIS Interface for the WEPP model (link) to estimate runoff and erosion for a watershed of your own choosing following these steps: a. Zoom in to an area in the United States covering 1 square mile. b. Build the channel network. c. Select the watershed outlet point of interest. d. Build the subcatchments. e. Review the watershed summary, recording: - outlet coordinates to three decimal places - two largest land uses and their percentages two largest soil types and their percentages
Use the Online GIS Interface for the WEPP model (link) to estimate runoff and erosion for a watershed of your own choosing following these steps: a. Zoom in to an area in the United States covering 1 square mile. b. Build the channel network. c. Select the watershed outlet point of interest. d. Build the subcatchments. e. Review the watershed summary, recording: - outlet coordinates to three decimal places - two largest land uses and their percentages two largest soil types and their percentages
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