Data Transforms on USGS Surface Water Records

by Lowell W. McBurney, Coll of Environmental Science &, Forestry, Syracuse, NY, USA,
Lawrence B. Schoch, Coll of Environmental Science &, Forestry, Syracuse, NY, USA,
Peter J. Gabrielsen, Coll of Environmental Science &, Forestry, Syracuse, NY, USA,
Richard J. McClimans, Coll of Environmental Science &, Forestry, Syracuse, NY, USA,



Document Type: Proceeding Paper

Part of: Computer Applications in Water Resources

Abstract:

Surface water records compiled and stored by the United States Geological Survey (USGS) on machine readable tape are transformed and analyzed by computer methods to enable visual inspection of data and statistical relationships, and to facilitate hydrologic modeling efforts. The work involves (a) constructing a disk data set from a machine readable USGS tape of mean daily flow (MDF) or gauge elevation (GE) values for the period of record for a given gauging station; (b) formatting the resultant values to Julian calendar days for each year, and displaying such data; (c) developing average MDF or GE and other statistics, for the Julian days of record; and (d) graphing average MDF or GE and other statistics, as a function of Julian calendar days beginning on October 1.

Subject Headings: Data analysis | Federal government | Surface water | Statistics | Data collection | Hydrologic data | Water resources | United States

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