Item talk:Q61016: Difference between revisions

{"@context": "https://schema.org", "@type": "CreativeWork", "additionalType": "USGS Numbered Series", "name": "Culvert Analysis Program Graphical User Interface 1.0--A preprocessing and postprocessing tool for estimating flow through culvert", "identifier": [{"@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "fs20133045", "url": "https://pubs.usgs.gov/publication/fs20133045"}, {"@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70047060}, {"@type": "PropertyValue", "propertyID": "DOI", "value": "10.3133/fs20133045", "url": "https://doi.org/10.3133/fs20133045"}], "inLanguage": "en", "isPartOf": [{"@type": "CreativeWorkSeries", "name": "Fact Sheet"}], "datePublished": "2013", "dateModified": "2013-07-16", "abstract": "The peak discharge of a flood can be estimated from the elevation of high-water marks near the inlet and outlet of a culvert after the flood has occurred. This type of discharge estimate is called an \u201cindirect measurement\u201d because it relies on evidence left behind by the flood, such as high-water marks on trees or buildings. When combined with the cross-sectional geometry of the channel upstream from the culvert and the culvert size, shape, roughness, and orientation, the high-water marks define a water-surface profile that can be used to estimate the peak discharge by using the methods described by Bodhaine (1968). This type of measurement is in contrast to a \u201cdirect\u201d measurement of discharge made during the flood where cross-sectional area is measured and a current meter or acoustic equipment is used to measure the water velocity. When a direct discharge measurement cannot be made at a streamgage during high flows because of logistics or safety reasons, an indirect measurement of a peak discharge is useful for defining the high-flow section of the stage-discharge relation (rating curve) at the streamgage, resulting in more accurate computation of high flows. The Culvert Analysis Program (CAP) (Fulford, 1998) is a command-line program written in Fortran for computing peak discharges and culvert rating surfaces or curves. CAP reads input data from a formatted text file and prints results to another formatted text file. Preparing and correctly formatting the input file may be time-consuming and prone to errors. This document describes the CAP graphical user interface (GUI)\u2014a modern, cross-platform, menu-driven application that prepares the CAP input file, executes the program, and helps the user interpret the output", "description": "4 p.", "publisher": {"@type": "Organization", "name": "U.S. Geological Survey"}, "author": [{"@type": "Person", "name": "Bradley, D. Nathan", "givenName": "D. Nathan", "familyName": "Bradley"}], "funder": [{"@type": "Organization", "name": "Hydrologic Analysis Software Support Program", "url": "https://www.usgs.gov/labs/hydrologic-instrumentation-facility"}]}