The use of a GIS for assessing management alternatives to reduce over-land sediment production and transport. McNulty, S. [Microfiche], 1995. ![The use of a GIS for assessing management alternatives to reduce over-land sediment production and transport. [pdf]](https://bibbase.org/img/filetypes/pdf.svg "pdf")
Paper abstract bibtex Soil erosion models can be coupled with a geographic information system (GIS) to provide increased spatial resolution of soil erosion prediction, while reducing the time needed for model parameterization. We used a GIS, a simple soil sediment prediction model (i.e. USLE), and a simple sediment transport model, to predict soil erosion on 900 m_2_ grids across a 1500 ha watershed, for two alternative logging road management practices. Although simple sediment production models have few input parameters, and do not provide extremely accurate estimates of absolute soil loss, these models have utility for comparing alternative management practice effects on relative changes in soil loss. Additionally, the combination of the USLE with a GIS, to predict areas with a high potential for soil loss, could be used to alert land managers to areas where additional soil erosion mitigation is necessary. The managers can then use more detailed and accurate, although data intensive, models such as WEPP in these potential problem areas to predict soil erosion rates more accurately. We concluded that a GIS can be coupled with a simple soil sediment model to assess relative differences in soil erosion given two management scenarios, and to help locate areas within watersheds where more detailed assessment of soil loss is needed.
@article{mcnulty_use_1995,
title = {The use of a {GIS} for assessing management alternatives to reduce over-land sediment production and transport.},
volume = {95-2701},
url = {http://cwt33.ecology.uga.edu/publications/680.pdf},
abstract = {Soil erosion models can be coupled with a geographic information system (GIS) to provide increased spatial resolution of soil erosion prediction, while reducing the time needed for model parameterization. We used a GIS, a simple soil sediment prediction model (i.e. USLE), and a simple sediment transport model, to predict soil erosion on 900 m\_2\_ grids across a 1500 ha watershed, for two alternative logging road management practices. Although simple sediment production models have few input parameters, and do not provide extremely accurate estimates of absolute soil loss, these models have utility for comparing alternative management practice effects on relative changes in soil loss. Additionally, the combination of the USLE with a GIS, to predict areas with a high potential for soil loss, could be used to alert land managers to areas where additional soil erosion mitigation is necessary. The managers can then use more detailed and accurate, although data intensive, models such as WEPP in these potential problem areas to predict soil erosion rates more accurately. We concluded that a GIS can be coupled with a simple soil sediment model to assess relative differences in soil erosion given two management scenarios, and to help locate areas within watersheds where more detailed assessment of soil loss is needed.},
journal = {[Microfiche]},
author = {McNulty, S.},
year = {1995},
keywords = {CWT}
}
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