Land, Volume 12, Issue 10
October 2023 - 138 articles
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Cover Story: This paper explores the impacts of time-varying C-factors and choice of sediment delivery ratio on reservoir sedimentation estimates using a geographical information system version of the Revised Universal Soil Loss Equation (RUSLE). The RUSLE does not account for sediments contributed by stream banks, stream channels, or gullies. Therefore, we attempted to account for these contributions based on a sediment source study conducted within the area. The adjustments were good for 5 of the 12 watersheds. The paper then explores statistical connections between the reservoir sedimentation estimates and watershed, stream bank and channel, and pedologic variables developed from each watershed’s digital elevation model and from other publicly available data sets. View this paper