Folders: ROOT > ScienceBase Catalog > USGS Data Release Products > Basin Characteristics and Mean Annual Streamflow Data for Streamgages in New Mexico and Adjacent States, 2017 ( Show all descendants )
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ROOT _ScienceBase Catalog __USGS Data Release Products ___Basin Characteristics and Mean Annual Streamflow Data for Streamgages in New Mexico and Adjacent States, 2017 Filters
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Mean annual streamflow was determined for each year of the streamgage record using the U. S. Environmental Protection Agency (EPA) DFLOW computer program (Rossman, 1990). A shapefile specifying streamgage locations was loaded into the program and divided into four quadrants to facilitate more efficient program operation. For each quadrant, appropriate streamgages were selected by the program based on period of record and regulation status. Daily discharge information for each streamgage was downloaded from the National Water Information System (NWIS). The downloaded data were used in the computation of mean annual streamflow at each location and was output as site-specific, tab-delimited files. The process was...
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