Free Software / Free Documents - As In No Cost

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Click "HHWQ" above for full listing of 150+ completely free software applications available for download from web site main page (if you are not on the main page already)

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Hydroecological Integrity assessment Process (HIP)

Software applications for conducting a hydrologic classification of streams, addressing instream flow needs, and assessing past and proposed hydrologic alterations on streamflow and/or other ecosystem components.

Physical Habitat Simulation (PHABSIM) Software

Software applications for estimating micro-habitat conditions in natural channels (depth, velocities, channel indices) and the relative suitability of those conditions to aquatic life.

* flow regime
* physical habitat structure (channel form, substrate distribution, and riparian vegetation)
* water quality (including temperature)
* energy inputs from the watershed (sediments, nutrients, and organic matter)