Document type: DU ETD
Collection: Geology Theses  
 
Title The Relation of Topography to Flash-floods in the Front Range of Colorado
Author(s) McCammon, John H.
Institution University of Denver
Degree Type Master's
Degree Name M.A.
Type of Resource text
Degree Date Unknown
Digital Origin reformatted digital
Rights Statement All Rights Reserved
Reason for Restrictions No restrictions
Type of Restriction No restrictions
Abstract Thirty-four hydrologic catchments in the Front Range of Colorado were extracted using 30 m digital elevation models in an ArcView GIS. Corresponding subcatchments, representing areas below 2300 m, were also delineated. Topographic variables were extracted for these basins and comparisons were made between catchment and subcatchment data. Flood records from gaging stations, historical references, and paleoflood observations were examined and tabulated for each basin. Linear regression and multiple regression techniques were used to test the null hypothesis that topographic variables have no relation to flood occurrence. Further analysis was carried out using the methods of logistic regression. Significant relations were found between selected whole catchment variables and flood occurrence using multivariate statistical methods. No significant relations were identified between subcatchment variables and flooding. Whole catchment topographic characteristics may be important in understanding flood generation, even when precipitation is concentrated in subcatchment areas below 2300 m.
Handle http://hdl.handle.net/10176/codu:55685
 
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