Publication: Effect of DEM-smoothing and -aggregation on topographically-based flow directions and catchment boundaries
Effect of DEM-smoothing and -aggregation on topographically-based flow directions and catchment boundaries
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Erdbrügger, J., van Meerveld, H. J., Bishop, K., & Seibert, J. (2021). Effect of DEM-smoothing and -aggregation on topographically-based flow directions and catchment boundaries. Journal of Hydrology, 602, 126717. https://doi.org/10.1016/j.jhydrol.2021.126717
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It is generally assumed that, in humid climates, the groundwater table is a subdued copy of the surface topography. However, the general groundwater table is unlikely to be affected by the microtopography as seen in high-resolution Digital Elevation Models (DEMs). So far, there has been little guidance on the best resolution DEM to use to determine the shape of the water table or the direction of shallow groundwater flow in headwater catchments. We, therefore, looked at the effects of DEM-smoothing and -aggregation on the calculated f
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- Erdbrügger, Jana
- Bishop, Kevin
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Erdbrügger, J., van Meerveld, H. J., Bishop, K., & Seibert, J. (2021). Effect of DEM-smoothing and -aggregation on topographically-based flow directions and catchment boundaries. Journal of Hydrology, 602, 126717. https://doi.org/10.1016/j.jhydrol.2021.126717
