SSTEMP

Short Summary	SSTEMP (Stream Segment TEMPerature model) is a much-scaled down version of the Stream Network Temperature Model (SNTEMP). SSTEMP may be used to evaluate alternative reservoir release proposals, analyze the effects of changing riparian shade or the physical features of a stream, and examine the effects of different stream withdrawals and returns on instream temperature. Unlike the large network model, SNTEMP, this program handles only single stream segments for a single time period (e.g., month, week, day). However, the program may be used satisfactorily for a variety of simple cases and is especially useful as both a teaching tool and a sensitivity analysis tool. SSTEMP optionally estimates the combined topographic and vegetative shade as well as solar radiation penetrating the water. It then predicts the mean daily water temperatures at some specified distance(s) downstream. It also estimates the daily maximum and minimum temperatures. The program also handles the special case of a dam with steady-state release at the upstream end of the segment, unlike SNTEMP.
Water Quality Constituents Modeled	temperature
Status	The model executable is distributed free of charge by FORT. Technical support is available by funding agreement with FORT. FORT also offers training.
Graphical User Interface	The SSTEMP software includes a Windows 95/98/NT interface.
Developer	US Geological Survey (USGS)
Contact	Fort Collins Science Center (FORT) of the USGS, Fort Collins, CO, phone: 970-226-9319
Users' Manual	Bartholow, J.M., 1999: SSTEMP for Windows: The Stream Segment Temperature Model (Version 1.1.3). US Geological Survey computer model and help file.

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