

Built-in Volume Calculations, Automatic Soil "C" adjustment using Burn Factor if desired. The program is fully MS-Windows 3.1 and MS-Windows 95 based with menus and push buttons for easy user-program interface Gumbel, Log Pearson Type 3, 2 or 3-Parameter Log Normal distributions are available. Alternatively the user can enter low flows manually. This program is a preprocessor for generating 7-day or 30-day average flow series from daily flows available from standard data bases such as HYDAT or USGS. The program is fully MS-Windows 3.1 and MS-Windows 95 based with menus and push buttons for easy user-program interfaceĮSLOFFAN (Engsoft Low Flow Frequency Analysis) Gumbel, Log Pearson Type 3, or 3-Parameter Log Normal Distribution are available (more distributions available optionally). Alternatively flood flows can be entered manually. This program is a preprocessor for generating 1 to 12 annual flood flow series from daily flows available from standard data bases such as HYDAT or USGS. The method uses Snyder's Least Squares algorithm coupled with the author's modified smoothing method.ĮSFFAN (Engsoft Flood Frequency Analysis) Provides an estimation of a unit graph from rainfall and discharge data.
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There is also an expanding library of subroutines for graphics, user interaction, and data storage and retrieval available to application programmers designing software utilizing WDM files. The WDM file provides users with a common data base for many applications, thus eliminating the need to reformat data from one application to another. Geological Survey ( USGS) and the Environmental Protection Agency ( EPA) currently use WDM files. Many hydrologic and water-quality models and analyses developed by the U.S. Data are stored in a direct access file called a Watershed Data Management ( WDM) file.
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TR-55, Urban Hydrology for Small Watersheds version 2.0ĪNNIE is a program designed to help users interactively store, retrieve, list, plot, check, and update spatial, parametric, and time-series data for hydrologic models and analyses.
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