Japan Heavy Rains: Damage Proxy Maps, Jul 2020

✦ DISCOVERED BY ORIONAIEarth Observatory of SingaporeEnvironmentJapan
Map preview of Japan Heavy Rains: Damage Proxy Maps, Jul 2020Japan

About this dataset

# Japan Heavy Rains: Damage Proxy Maps, Jul 2020 The Advanced Rapid Imaging and Analysis (ARIA) team at NASA's Jet Propulsion Laboratory and Caltech, in collaboration with the Earth Observatory of Singapore (EOS), produced these damage proxy maps for Japan Heavy Rains (Jul 2020) 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 - **ARIA-SG Damage Proxy Map: Japan, Heavy Rains, 6 Jul 2020, v0.5 ** - **ARIA-SG Damage Proxy Map: Japan, Heavy Rains, 6 Jul 2020, v0.5 ** **More map details and files:**

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. Derived from synthetic aperture radar data acquired by the ALOS-2 satellites operated by the Japan Aerospace Exploration Agency (JAXA) before (2 Mar, 8 Jun) and after (6 Jul) the event. 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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