Nepal Avalanche: Damage Proxy Maps, Oct 2022

Name: Nepal Avalanche: Damage Proxy Maps, Oct 2022
Creator: Earth Observatory of Singapore
License: http://www.opendefinition.org/licenses/cc-by

✦ DISCOVERED BY ORIONAIEarth Observatory of SingaporeEnvironmentNepal

Nepal

About this dataset

# Nepal Avalanche: Damage Proxy Maps, Oct 2022 The **Earth Observatory of Singapore – Remote Sensing Lab (EOS-RS)** produced these damage proxy maps for Nepal Avalanche (Oct 2022) from synthetic aperture radar (SAR) satellite images. Each map is a separate ZIP below with its GeoTIFF, a KMZ for Google Earth, the PNG figures and a text file describing how it was made and how to read it. ## Maps in this dataset - **EOS-RS Damage Proxy Map: Manaslu, Nepal, Avalanche, 5 Oct 2022, v0.8** - **EOS-RS Damage Proxy Map: Manaslu, Nepal, Avalanche, 5 Oct 2022, v0.8** - **EOS-RS Damage Proxy Map: Manaslu, Nepal, Avalanche, 5 Oct 2022, v0.4** (superseded) - **EOS-RS Damage Proxy Map: Manaslu, Nepal, Avalanche, 5 Oct 2022, v0.4** (superseded) **More map details and files:** **More map details and files:** **Credits:** Earth Observatory of Singapore - Remote Sensing Lab (EOS-RS), Advanced Rapid Imaging and Analysis (ARIA), NASA-JPL/Caltech, Contains modified Copernicus Sentinel data (2022)

Documentation

Change detection on synthetic aperture radar (SAR) satellite images acquired before and after the event. Damage Proxy Maps show significant changes in radar coherence and amplitude; Flood Proxy Maps show areas that changed to standing water. Maps are preliminary and checked against news reports and ground-level imagery where available. The product contains modified Copernicus Sentinel data (2022), processed by ESA and analyzed by the Earth Observatory of Singapore - Remote Sensing Lab (EOS-RS), using the Advanced Rapid Imaging and Analysis (ARIA) system originally developed at NASA's Jet Propulsion Laboratory, California Institute of Technology, and modified at EOS-RS. These are preliminary maps derived from satellite radar and should be used as guidance only. Coloured pixels may include false positives, and their absence does not mean an absence of damage or flooding.

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