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Height Above Nearest Drainage Flood Extent Maps: Huallaga River near Chazuta, Peru

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Owners:		This resource does not have an owner who is an active HydroShare user. Contact CUAHSI (help@cuahsi.org) for information on this resource.
Type:	Resource
Storage:	The size of this resource is 151.6 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

Sharing Status:	Public
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Downloads:	82
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Abstract

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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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Chazuta, Peru

North Latitude

-6.4554°

East Longitude

-75.9229°

South Latitude

-6.8079°

West Longitude

-76.2813°

Content

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Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

Related Resources

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

Edwards, C. (2021). Height Above Nearest Drainage Flood Extent Maps: Huallaga River near Chazuta, Peru, HydroShare, http://www.hydroshare.org/resource/c9768af038f64f66b8d687536bdbb2f0

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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