GIS-BASED METHODS FOR STATISTICAL
ANALYSIS OF RUNOFF FROM A
HETEROGENEOUS LANDSCAPE
Delaware GIS2000 Conference, November 17, 2000, Dover, DE
John Mackenzie
Dept. of Food & Resource Economics, University of Delaware
START
CONTENTS
Title
Digital Elevation Model
Data
GRASS Watershed Delineation
Logarithm of Down-Gradient Accumulation
Main Basins
Inferred Stream Network
Simplified 1994 Land-Use/Land Cover
Extract of Single-Family Residential (Category 111) Cells
Log of Accumulation from Category 111
Percent of Total Overland Flow from Category 111
Percent of Flow from Category 111 in Stream Network
Percent Flows from Other Categories
Cluster Analysis of Stream Network Cells
Chi-Square Rejection Map from Cluster Analysis
Stream Reach Classifications, <0.10 Rejection Threshold
Theoretical Loading Coefficient Estimation Model