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Methods

These are a set of steps to produce a relevant result, whether in data processing, analysis, visualization or application of these to policies and programs.

Topics tagged with flooding
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    DEM has been widely used for hydrological analysis. With ASTER DEM available, the higher resolution of 30m by 30m elevation data make the hydrological and flood risk analysis applicable at regional level. For example, Thanapakpawin et...
    Sainan Zhang | December 17, 2012, 8:16 pm
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    To map flood risk area, cells were defined as river by setting a flow accumulation threshold of 10 km2. This threshold was specified by taking references of previous research which has been done, e.g. Brakebill and Preston, 2003, Arthu...
    Sainan Zhang | December 17, 2012, 8:25 pm
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    DEM has been widely used for hydrological analysis. With ASTER DEM available, the higher resolution of 30m by 30m elevation data make the hydrological and flood risk analysis applicable at regional level. For example, Wyatt 2003, Brake...
    Sainan Zhang | December 17, 2012, 8:46 pm
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    We digitized three hazard risk maps - flood, drought and landslide risk for Semarang study area. The original risk images we used to digitize were derived from Indonesian National Agency for Disaster Management (BNPB) in jpg format. Fi...
    Sainan Zhang | December 17, 2012, 9:03 pm
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    Hydrologic analysis of Malawi is conducted based on ASTERDEM data.
    Sainan Zhang | December 18, 2012, 9:33 pm
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    With ASTER DEM available, the higher resolution of 30m by 30m elevation data make the hydrological and flood risk analysis applicable at regional level
    Sainan Zhang | December 18, 2012, 9:37 pm
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