Uncertainty analysis of runoff estimates from runoff-depth contour maps produced by five automated procedures for the northeastern United States

Author

Gary D. Bishop, Portland State University

Sponsor

Portland State University. Department of Geography

First Advisor

Daniel M. Johnson

Date of Publication

1991

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Geography

Department

Geography

Language

English

Subjects

Contours (Cartography) -- Data processing, Cartography -- Automation, Runoff -- Northeastern States

DOI

10.15760/etd.6197

Physical Description

1 online resource (153 p.)

Abstract

Maps of runoff-depth have been found to be useful tools in a variety of water resource applications. Producing such maps can be a challenging and expensive task. One of the standard methods of producing these maps is to use a manual procedure based on gaged runoff data, topographic and past runoff-depth maps, and the expert opinion of hydrologists.

This thesis examined five new automated procedures for producing runoff-depth contour maps to see if the maps produced by these procedures had similar accuracy and characteristics when compared to the manual procedure. An uncertainty analysis was used to determine the accuracy of the automated procedure maps by withholding gaged runoff data from the creation of the contour maps and then interpolating estimated runoff back to these sites from the maps produced. Subtracting gaged runoff from estimated runoff produced interpolation error values. The mean interpolation error was used to define the accuracy of each map and was then compared to a similar study by Rochelle, et al., (1989) conducted on a manual procedure map.

Rights

In Copyright. URI: http://rightsstatements.org/vocab/InC/1.0/ This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

Comments

This thesis includes supplemental content available to download.

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Persistent Identifier

http://archives.pdx.edu/ds/psu/25220

Recommended Citation

Bishop, Gary D., "Uncertainty analysis of runoff estimates from runoff-depth contour maps produced by five automated procedures for the northeastern United States" (1991). Dissertations and Theses. Paper 4313.
https://doi.org/10.15760/etd.6197