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Nepal-FRES: 2021 Melamchi Flood Data

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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 65.7 MB
Created:	Oct 05, 2024 at 3:29 p.m.
Last updated:	Oct 07, 2024 at 12:34 p.m. (Metadata update)
Published date:	Oct 07, 2024 at 12:34 p.m.
DOI:	10.4211/hs.b6da096000284d5882d13b085b7669ac
Citation:	See how to cite this resource

Sharing Status:	Published
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Abstract

The data were collected in the Helambu region of central Nepal as part of the "Nepal-FRES" (Frontier Research in Earth Sciences) project to document the impacts of the 2021 Melamchi Flood, aiming to understand its cascading nature, the legacy of the 2015 Gorkha earthquake, and fluvial adjustment to such an extreme sediment transporting event.

Polygon KML files of landslides, active river channels, and river terraces were mapped using 50 cm-resolution pre- and post-event Pléiades stereo satellite imagery. This data package comprises:

 Melamchi Khola Catchment (study area)
 Landslides before the 2015 Gorkha earthquake, between 2015 and 2020, between Nov 2020 and Oct 2021 (Melamchi Flood), and between Oct 2021 and Dec 2023
 Obscured areas in which landslide mapping is incomplete due to the existence of clouds and shadow
 River channel of Melamchi Khola in Nov 2020 and Oct 2021 (w/ the thalweg line in Oct 2021)
 River terraces in Oct 2021
 Forested areas in Nov 2020 and Dec 2023

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

North Latitude

28.1907°

East Longitude

85.6295°

South Latitude

27.8136°

West Longitude

85.4345°

Temporal

Start Date:
End Date:

Content

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Additional Metadata

Name	Value
Nepal-FRES Project Website	https://sites.google.com/usc.edu/nepal-fres/

Related Resources

This resource belongs to the following collections:

Title	Owners	Sharing Status	My Permission
Nepal-FRES: Helambu Hydrological Observatory (H2O) Data	A. Joshua West	Public & Shareable	Open Access

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
National Science Foundation	NSFGEO-NERC Collaborative Research: Coupling Erosion, Weathering, and Hydrologic Function in an Active Orogenic System	2021619

How to Cite

Chen, C., A. J. West, M. Clark, J. Hollingsworth, D. Chamlagain, D. Zekkos, S. Bista, A. Siwakoti (2024). Nepal-FRES: 2021 Melamchi Flood Data, HydroShare, https://doi.org/10.4211/hs.b6da096000284d5882d13b085b7669ac

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

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

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