2O′ Callaghan J F,Mark D M. The extraction of drainage network from digital elevation data [J].Computer Vision,Graphics, and Image Processing, 1984,28:323-344.
3Fairfield J, Leymarie P. Drainage networks from grid digital elevation models [J]. Water Resources Research, 1991,27(5):709-717.
4Costa-Cabral M C, Burges S J. Digital elevation model networks (DEMON): A model of flow over hillslope for computation of contributing and dispersal areas [J]. Water Resources Research,1994,30(6):1681-1692.
5Lea N L. An aspect driven kinematic routing algorithm in overland flow: Hydraulics and Erosion Mechanics [M]. New York: Chapman & Hall, 1992.
6Tarboton D G. A new method for the determination of flow direction and upslope areas in grid digital elevation models [J]. Water Resources Research, 1997,33 (2): 309-319.
7Quinn P, Beven K, Chevalier P, et al. The prediction of hillslope flow paths for distributed hydrological modeling using digital terrain models [J]. Hydrological Processes, 1991,5:59-79.
8Freeman T G. Calculating catchment area with divergent flow based on a regular grid [J]. Computers & Geoscience, 1991,17 (3):413-422.
9Strahler A N, Quantitative analysis of watershed geomorphology [J].Trans. Am. Geophys. Union, 1957,38(6):913-920.
10SKIDMORE A K .A Comparison of Techniques for the Calculation of Gradient and Aspect from Grided Digital Elecation Model[J].International Journal of Geographical Information Systems, 1989,(3):323-334.
