A Paleoclimate Model of Ice-Albedo Feedback Forced by Variations in Earth's Orbit. - Richard McGehee; Clarence Lehman (SIAM J. Appl. Dyn. Syst., 2012)

Priority-flood: An optimal depression-filling and watershed-labeling algorithm for digital elevation models. - Richard Barnes 002; Clarence Lehman; David J. Mulla (Comput. Geosci., 2014)

An efficient assignment of drainage direction over flat surfaces in raster digital elevation models. - Richard Barnes 002; Clarence Lehman; David J. Mulla (Comput. Geosci., 2014)

Distributed Parallel D8 Up-Slope Area Calculation in Digital Elevation Models. - Richard Barnes 002; Clarence Lehman; David J. Mulla (CoRR, 2016)