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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 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
You can download the TR-55 Manual here. (2MB PDF format) You can download the complete software and documentation from the NRCS Tech Tools . For additional background information on the TR-55 calculations please see Understanding Hydrology or the "Hydrology" section of the training materials .
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.
19 Ιουλ 2004 · 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. Hydrographs are routed downstream through channels and/or reservoirs.
19 Ιουλ 2004 · WinTR-55 uses the TR-20 (NRCS, 2002) model for all of the hydrograph procedures: generation, channel routing, storage routing, and addition. Figure 1 is a diagram showing the WinTR-55 model, its relationship to TR-20, and the files associated with the model. Figure 1. WinTR-55 System Schematic TR-55 System TR-20 Model TR-20 Input File Name TR ...
This document provides an overview and tutorial of the WinTR-55 hydrologic modeling software. It describes WinTR-55's capabilities for modeling small urban watersheds using the NRCS TR-55 method, including its interface, inputs, outputs, and step-by-step process for creating and running a model.
