Runoff Thresholds-Ephemeral Streams-Dry Tropics

Rainfall thresholds for runoff development along 46 ephemeral streams and an unpaved road in St. John, US Virgin Islands. Data is for unroaded areas (UN), road-influenced streams (RI) and a road segment (RD). Data collected from August 2013 through July 2015. The dependent variable is the absence/presence of runoff determined with peak crest gauges. The column labeled as 'response' indicates when runoff occurred (response = 1) and when runoff was not observed (response = 0). Each entry represents an individual storm event for a specific crest gauge. Rain-related independent variables contain total storm precipitation, maximum 15-min rain intensity, and an antecedent precipitation index. Other independent variables are road surface area in m^2 and flow distance in meters both for RI sites

Related Organizations

Alabama Agricultural and Mechanical University
United States
The University of Texas at Austin
United States

Keywords

roads, connectivity, dry tropics, runoff threshold

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