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A sensitivity analysis of regional and small watershed hydrologic modelsContinuous simulation models of the hydrologic behavior of watersheds are important tools in several practical applications such as hydroelectric power planning, navigation, and flood control. Several recent studies have addressed the feasibility of using remote earth observations as sources of input data for hydrologic models. The objective of the study reported here was to determine how accurately remotely sensed measurements must be to provide inputs to hydrologic models of watersheds, within the tolerances needed for acceptably accurate synthesis of streamflow by the models. The study objective was achieved by performing a series of sensitivity analyses using continuous simulation models of three watersheds. The sensitivity analysis showed quantitatively how variations in each of 46 model inputs and parameters affect simulation accuracy with respect to five different performance indices.
Document ID
Document Type
Conference Proceedings
Ambaruch, R.
Salomonson, V. V.
(NASA Goddard Space Flight Center Hydrology and Oceanography Branch, Greenbelt, Md., United States)
Simmons, J. W.
(IBM Corp. Federal Systems Div., Huntsville, Ala., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1975
Subject Category
Earth Resources And Remote Sensing
Meeting Information
Technology today for tomorrow; Twelfth Space Congress(Cocoa Beach, FL)
Accession Number
Funding Number(s)
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