Creating a Topographic Index  So you can spend the next 3 yrs of you life figuring out what to do with it

Creating a Topographic Index So you can spend the next 3 yrs of you life figuring out what to do with it PowerPoint PPT Presentation


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Topographic Index maps are grids derived from digital elevation models (DEMs). These grid include only topographical information. It makes use of an index of hydrological similarity based on topographic data.Originally developed in the TOPMODEL framework (Beven et al., 1984).TOPMODEL was one of the first attempts to model distributed hydrological responses based on variable contributing area concepts. Has since been applied outside of the TOPMODEL framework in GWLF, SWAT..

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Creating a Topographic Index So you can spend the next 3 yrs of you life figuring out what to do with it

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3. Topographic Indices assume that topography drives flows. Thus, the index may not capture conditions in areas where there are other more dominant processes governing the flow. However, it generally correctly predicts the accumulation of flow in topological low spots (e.g., areas where the flows accumulate).

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