Digital terrain model

The base digital terrain model (DTM) consists of 1-km resolution altitudes for the catchment. The 8-km resolution DTM was generated by averaging the 64 (or

Climate Model Snow

fewer at the catchment border) 1-km pixels within each 8-km cell (Figure 4.2). DTM correction, the catchment and subcatchment segmentation and the channel network analysis for the identification of the gauging station locations (Briancon, L'Argentiere and La Clapiere) were performed using the digital landscape analysis tool TOPAZ (Garbrecht and Martz 1997).

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