Comparison of grid-based algorithms for computing upslope contributing area

@inproceedings{Erskine2006ComparisonOG,
  title={Comparison of grid-based algorithms for computing upslope contributing area},
  author={Robert H. Erskine and Timothy R. Green and Jorge Andr{\'e}s Ram{\'i}rez and Lee H Macdonald},
  year={2006}
}
[1] Terrain attributes based on upslope contributing area, A, are used widely in distributed hydrologic models. Several grid-based algorithms are available for estimating A. In this study, five algorithms (D8, 8, MFD, DEMON, and D1) were compared quantitatively on two undulating agricultural fields (63 and 109 ha) in northeastern Colorado. Global positioning system (GPS) data (0.02-m accuracy) were used to generate grid digital elevation models (DEMs) at 5-, 10-, and 30-m cell sizes. Relative… CONTINUE READING

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