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|Storage:||The size of this resource is 151.9 MB|
|Created:||Feb 25, 2021 at 12:04 a.m.|
|Last updated:|| Mar 05, 2021 at 11:17 p.m.
|Citation:||See how to cite this resource|
|Content types:||Single File Content Geographic Feature Content Geographic Raster Content|
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This resource contains flood extent maps of the Huallaga River near Chazuta, Peru derived from Height Above Nearest Drainage (HAND). MERIT Hydro global hydrography datasets (Hydrologically Adjusted Elevations, Flow Direction, and Upstream Drainage Pixel) were used as the input terrain data. The HAND raster and corresponding rating curve were creating using ArcHydro Pro tools in ArcGIS Pro. Specifically, this resource has a shapefile of flood extents for HAND values between 0-15, catchment and drainage line shapefiles, the HAND raster, and the rating curve as a csv. Using a flowrate, the HAND value can be determined from the rating curve. Then, the flood extent is the feature in the Chazuta_FloodExtent_HAND shapefile with the FloodValue attribute matching the Height value from the rating curve. As an example, this resource also includes a shapefile of the 5-m (Height value) flood extent along with the corresponding flood depth raster.
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|The content of this resource is derived from||Yamazaki, D., Ikeshima, D., Sosa, J., Bates, P. D., Allen, G. H., & Pavelsky, T. M. (2019). MERIT Hydro: A High-Resolution Global Hydrography Map Based on Latest Topography Dataset. Water Resources Research, 55(6), 5053–5073. https://doi.org/10.1029/2019WR024873|
|The content of this resource is derived from||MERIT Hydro (available at http://hydro.iis.u-tokyo.ac.jp/~yamadai/MERIT_Hydro)|
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.http://creativecommons.org/licenses/by/4.0/