NDLI: Improving streamflow estimates through the use of landsat. [wisconsin and pecatonica-sugar river basins

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Improving streamflow estimates through the use of landsat. [wisconsin and pecatonica-sugar river basins

Content Provider	NASA Technical Reports Server (NTRS)
Author	Scarpace, F. L.
Copyright Year	1981
Description	Estimates of low flow and flood frequency in several southwestern Wisconsin basins were improved by determining land cover from LANDSAT imagery. With the use of estimates of land cover in multiple-regression techniques, the standard error of estimate (SE) for the least annual 7-day low flow for 2- and 10-year recurrence intervals of ungaged sites were lowered by 9% each. The SE of flood frequency in the 'Driftless Area' of Wisconsin for 10-, 50-, and 100-year recurrence intervals were lowered by 14%. Four of nine basin characteristics determined from satellite imagery were significant variables in the multiple-regression techniques, whereas only 1 of the 12 characteristics determined from topographic maps was significant. The percentages of land cover categories in each basin were determined by merging basin boundaries, digitized from quadrangles, with a classified LANDSAT scene. Both the basin boundary X-Y polygon coordinates and the satellite coordinates were converted to latitude-longitude for merging compatibility.
File Size	828417
Page Count	17
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19810015009
Archival Resource Key	ark:/13960/t50g8gq1q
Language	English
Publisher Date	1981-01-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Image Processing Earth Resources Program Drainage Patterns Multispectral Photography Regression Analysis River Basins Geodetic Coordinates Plotting Land Use Data Bases Digital Data Computer Programs Wetlands Hydrogeology Flood Predictions Surface Water Farmlands Spectral Reconnaissance Streams Wisconsin Satellite-borne Photography Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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