HYSEP: A Computer Program for Streamflow Hydrograph Separation and Analysis
Water-Resources Investigations Report
96-4040
By: Ronald A. Sloto and Michele Y. Crouse
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Abstract
HYSEP is a computer program that can be used to separate a streamflow hydrograph into base-flow and surface-runoff components. The base-flow component has traditionally been associated with ground-water discharge and the surface-runoff component with precipitation that enters the stream as overland runoff. HYSEP includes three methods of hydrograph separation that are referred to in the literature as the fixed interval, sliding-interval, and local-minimum methods. The program also describes the frequency and duration of measured streamflow and computed base flow and surface runoff. Daily mean stream discharge is used as input to the program in either an American Standard Code for Information Interchange (ASCII) or binary format. Output from the program includes table,s graphs, and data files. Graphical output may be plotted on the computer screen or output to a printer, plotter, or metafile.
Suggested Citation
Sloto, R.A., Crouse, M.Y., 1996, HYSEP: A Computer Program for Streamflow Hydrograph Separation and Analysis: U.S. Geological Survey Water-Resources Investigations Report 96-4040, v, 46 p., https://doi.org/10.3133/wri964040.
Table of Contents
- Abstract
- Introduction
- Hydrograph-separation methods
- Program input requirements
- Program output
- How HYSEP works
- Summary
- References cited
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | HYSEP: A Computer Program for Streamflow Hydrograph Separation and Analysis |
| Series title | Water-Resources Investigations Report |
| Series number | 96-4040 |
| DOI | 10.3133/wri964040 |
| Year Published | 1996 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Pennsylvania Water Science Center, U.S. Geological Survey |
| Description | v, 46 p. |
| Online Only (Y/N) | Y |