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2 Μαΐ 2016 · Technical Release 55 (TR-55) Urban Hydrology for Small Watersheds was first issued in January 1975 as a simplified procedure to calculate the storm runoff volume, peak rate of discharge, hydrographs and storage volumes required for storm water management structures (SCS, 1975).
Technical Release 55 (TR-55) presents simplified procedures to calculate storm runoff volume, peak rate of discharge, hydrographs, and storage volumes required for floodwater reservoirs. These procedures are applicable in small watersheds, especially urbanizing watersheds, in the United States.
Technical Release 55 (TR-55) presents simplified procedures for estimating runoff and peak discharges in small watersheds. In selecting the appropriate procedure, consider the scope and complexity of the problem, the available data, and the acceptable level of error.
If you’re interested in applying for NRCS conservation programs, contact your local NRCS office. To apply, you’ll have to complete an application as well as have other forms on file.
Technical Release 55 (TR-55) presents simplified procedures for estimating runoff and peak discharges in small watersheds. In selecting the appropriate procedure, consider the scope and complexity of the problem, the available data, and the acceptable level of error. While this TR gives special emphasis to urban
Small Watershed Hydrology (WinTR-55) WinTR-55 is a single-event rainfall-runoff small watershed hydrologic model. The model generates hydrographs from both urban and agricultural areas and at selected points along the stream system.
This version of WinTR–55 is improved over the 1992 version with the fol- lowing features: • inclusion of Windows® interface • use of WinTR–20 for calculations The program and supporting materials may be downloaded from the Web site http://www.wsi.nrcs.usda.gov/products/W2Q/H&H/Tools_Models/ WinTR55.html.
