277 citations · 368 across the 4 of their papers we have counts for
4 papers
Distributed Parallel D8 Up-Slope Area Calculation in Digital Elevation Models
Richard Barnes, Clarence Lehman, David Mulla
This paper presents a parallel algorithm for calculating the eight-directional (D8) up-slope contributing area in digital elevation models (DEMs). In contrast with previous algorit…
Modeling of Bovine Spongiform Encephalopathy in a Two-Species Feedback Loop
Richard Barnes, Clarence Lehman
Bovine spongiform encephalopathy, otherwise known as mad cow disease, can spread when an individual cow consumes feed containing the infected tissues of another individual, forming…
Priority-Flood: An Optimal Depression-Filling and Watershed-Labeling Algorithm for Digital Elevation Models
Richard Barnes, Clarence Lehman, David Mulla
Depressions (or pits) are low areas within a digital elevation model that are surrounded by higher terrain, with no outlet to lower areas. Filling them so they are level, as fluid…
An Efficient Assignment of Drainage Direction Over Flat Surfaces in Raster Digital Elevation Models
Richard Barnes, Clarence Lehman, David Mulla
In processing raster digital elevation models (DEMs) it is often necessary to assign drainage directions over flats---that is, over regions with no local elevation gradient. This p…