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RECORD NUMBER: 742 OF 2320

OLS Field Name OLS Field Data
Main Title Identification of Urban Watershed Units Using Remote Multispectral Sensing.
Author Roo, R. R. ; Mille, L. D. ;
CORP Author Colorado State Univ., Fort Collins. Dept. of Watershed Sciences.
Year Published 1971
Report Number Completion-29; DI-14-30-0001-3006; OWRR-A-012-COLO; 08791,; A-012-COLO(1)
Stock Number PB-209 639
Additional Subjects ( Watersheds ; Remote sensing) ; ( Water resources ; Urban areas) ; Colorado ; Aerial photography ; Spectral analysis ; Water supply ; Hydraulic models ; FORTRAN ; Seasonal variations ; Computer programming ; Colorado ; Multiband spectral reconnaissance ; JOIN computer program ; AVER computer program ; OPTIM computer program ; Denver(Colorado)
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NTIS  PB-209 639 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 140p
Abstract The dynamic nature of urbanizing watersheds is documented by analysis of thirteen small watersheds in the Denver suburbs for the percent area of ten surface materials using aerial photographs at five to ten year intervals (concrete, asphalt, rooftop, gravel, lawn, natural, agricultural, forested, bare soil, and water). The results clearly show the changes in impervious areas in these watersheds as a function of year and time of year. A method is outlined whereby remote multispectral imagery can be used to map these surface characteristics which in turn can be related to surface hydrologic units and used as input into a watershed simulation model. (Author)
NTIS Title Notes Completion rept. no. 29.
PUB Date Free Form 30 Jun 71,
Category Codes 13B; 8H; 64H; 64B
NTIS Prices PC A07/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326528798
Origin NTIS
Type CAT