| snippet:
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ARIA High Resolution Damage Proxy Map (Copernicus Sentinel-1) for the Explosion in Lebanon 2020 |
| summary:
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ARIA High Resolution Damage Proxy Map (Copernicus Sentinel-1) for the Explosion in Lebanon 2020 |
| accessInformation:
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NASA-JPL/Caltech ARIA team, ESA, Copernicus |
| _ssl:
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true |
| thumbnail:
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thumbnail/thumbnail.png |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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<div style='text-align:Left;'><div><div><p><span style='font-weight:bold;'>Dates of Image:</span></p><p><span>Numerous Dates in May-August 2020</span></p><p><span style='font-weight:bold;'>Date of Next Image:</span></p><p><span>None</span></p><p><span style='font-weight:bold;'>Summary:</span></p><p><span>The Advanced Rapid Imaging and Analysis (ARIA) team at NASA's Jet Propulsion Laboratory (JPL) and California Institute of Technology (Caltech), California, in collaboration with the Earth Observatory of Singapore (EOS), created this Damage Proxy Map (DPM) depicting areas that are likely damaged caused by the ammonium nitrate blast in Beirut, Lebanon, on Aug 4, 2020. The map was derived from synthetic aperture radar (SAR) images from the Copernicus Sentinel-1 satellites, operated by the European Space Agency (ESA). The team compared before and after SAR data acquired from four different Sentinel-1 tracks since May 1, 2020. </span></p><p><span>Each pixel measures about 10 meters across. The color variation from yellow to red indicates increasingly more significant surface change. Preliminary validation was done by comparing with the DigitalGlobe optical satellite imagery. This damage proxy map should be used as guidance to identify potentially damaged areas, and may be less reliable over vegetated areas. For example, the scattered colored pixels over vegetated areas may be false positives, and the lack of colored pixels over vegetated areas does not necessarily mean no damage. This map is most sensitive to building damage, but small scale change or partial structural damage may not be detected by this map. </span></p><p><span style='font-weight:bold;'>Suggested Use:</span></p><p><span>This damage proxy map shows surface change with yellow to red indicating more significant change or building damage due to the explosion. The map may be less reliable over vegetated areas. The lack of colored pixels over vegetated areas does not necessarily mean no damage. Small scale change or partial structural damage may not be detected by this map</span></p><p><span style='font-weight:bold;'>Satellite/Sensor:</span></p><p><span>Copernicus Sentinel-1 Synthetic Aperture Radar (SAR)</span></p><p><span style='font-weight:bold;'>Resolution:</span></p><p><span>10 meters</span></p><p><span style='font-weight:bold;'>Credits:</span></p><p><span>Contains modified Copernicus Sentinel data, processed by ESA. Analyzed by the NASA-JPL/Caltech ARIA team. This task was carried out at JPL funded by NASA Disasters Program. </span></p><p><span style='font-weight:bold;'>Esri REST Endpoint:</span></p><p><span>See URL Section on right side of page</span></p></div></div></div> |
| licenseInfo:
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<div style='text-align:Left;'><div><p><span>NASA data and products are freely available to federal, state, public, non-profit and commercial users. This information can be experimental- or research-grade data products and may not be appropriate for operational use. These NASA data products, services, and the Disasters Mapping Portal are intended to aid decision makers and enhance situational awareness, but these data are not guaranteed to be consistently available or routinely updated. Use of this product should include: "Contains modified Copernicus Sentinel data (2020) processed by ESA"</span></p></div></div> |
| catalogPath:
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|
| title:
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ARIA_DPM2_Beirut_Sentinel-1_10m_v2.0.tif |
| type:
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Image Service |
| url:
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https://maps.disasters.nasa.gov/ags04/admin/lebanon_explosion_202008/aria_dpm_10m_sentinel1/ImageServer |
| tags:
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["NASA","NASA Disasters Program","ARIA","Lebanon","Beirut","Explosion","Sentinel-1","SAR","ESA","Copernicus"] |
| culture:
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en-US |
| name:
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aria_dpm_10m_sentinel1 |
| guid:
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|
| spatialReference:
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GCS_WGS_1984 |