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Hydrology, watersheds, sedimentation

Tools

Wildfires are an important natural disturbance in southwestern ecosystems, but burn areas may be subject to hazardous post-fire erosion and flooding. There are numerous existing science and management tools for mitigating these hazards, but they are not always accessible to the communities and private landowners who need them. This toolkit compiles information on post-fire resources for southwestern communities in a centralized, accessible format. 
Tahoe Basin interface is a customized version of Disturbed WEPP that contains Tahoe-specific soils. It predicts not only runoff and erosion, but also delivery of phosphorus and fine sediment, something of particular concern in the Tahoe Basin.
VAR stands for Values-at-Risk. The VAR Calculation Tool aids with assessing post-fire values-at-risk, including but not limited to human life and safety, infrastructure damage, and environmental effects.
The Water Erosion Prediction Project (WEPP) is a computer simulation that predicts soil erosion.  This particular version of the tool predicts soil erosion for the Great Lakes watershed.
The Forest Service Peak Flow Calculator predicts peak flood flow rate for a given storm from a small watershed. The model uses Curve Number technology given precipitation and runoff, as from ERMiT, plus other parameters.
ERMit is a web application which models erosion on current or proposed forest road. ERMiT allows users to predict the probability of a given amount of sediment delivery from the base of a hillslope following variable burns on forest, rangeland, and chaparral conditions in each of five years following wildfire. The model also predicts the effectiveness of sediment mitigation methods following a wildfire, such as applying mulch or seeding.
Disturbed WEPP is a web application which allows users easily to describe numerous disturbed forest and rangeland erosion conditions. The interface presents the probability of a given level of erosion occurring the year following a disturbance. Version 2.0 needs no vegetation calibration.
WEPP:Road predicts the annual average erosion from insloped or outsloped forest roads and predicts the amount of sediment that will leave the buffer.
FS WEPP is a set of interfaces designed to allow users to quickly evaluate erosion and sediment delivery potential from forest roads. The erosion rates and sediment delivery are predicted by the Water Erosion Prediction Project (WEPP) model, using input values for forest conditions.
NorWeST aggregates stream temperature data from the Northwestern U.S. into a stream temperature database, and uses the data to develop stream temperature models.

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