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RECORD NUMBER: 499 OF 1675

OLS Field Name OLS Field Data
Main Title Development of a New Oregon Precipitation Map Using the PRISM Model.
Author Daly, C. ; Taylor, G. H. ;
CORP Author Oregon State Univ., Corvallis.;Corvallis Environmental Research Lab., OR.
Publisher 1993
Year Published 1993
Report Number EPA/600/A-93/237;
Stock Number PB94-112992
Additional Subjects Precipitation(Meteorology) ; Orography ; Mathematical models ; Maps ; Study estimates ; Oregon ; Geographic information systems ; Spatial distribution ; Willamette River Basin ; Mountains ; Water resources ; PRISM model ; Precipitation-elevation Regressions on Independent Slopes Model
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NTIS  PB94-112992 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 02/27/1994
Collation 9p
Abstract Significant progress in the author's ability to distribute point monthly and annual precipitation data to a regular grid in complex terrain has recently been achieved through the development of PRISM (Precipitation-elevation Regressions on Independent Slopes Model). PRISM is well suited to regions with mountainous terrain, because it incorporates a conceptual framework that addresses the spatial scale and pattern of orographic precipitation. In a model comparison, PRISM exhibited superior performance to various methods of kriging in the Willamette River Basin, Oregon and has been applied to the entire United States with excellent results. PRISM was used to develop a new official isohyetal analysis for Oregon -- the first update since 1964. The PRISM-generated map equals or exceeds the accuracy and detail of the hand-drawn 1964 analysis, but required only a small fraction of the time and resources.
Supplementary Notes Pub. in Proceedings of International Conference/Workshop in Integrating Geographic Information Systems and Environmental Modeling (2nd), Brackenridge, CO., September 26-30, 1993. Sponsored by Corvallis Environmental Research Lab., OR.
NTIS Title Notes Symposium paper.
Category Codes 55E; 48I
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 335129408
Origin NTIS
Type CAT