Search results for backscatter
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209 datasets for “backscatter”
- Humanitarian Data Exchange
UNOSAT Live Web map- Cyclone Ditwah and Floods in Sri Lanka (November 2025)
United Nations Satellite Centre (UNOSAT)Updated 24 Jun 2026
… standing water in built-up and densely vegetated areas due to the backscattering properties of the radar signal.
- GEODATABASE
- SHP
- XLSX
- Humanitarian Data Exchange
Satellite detected waters extents, as of 5 November 2019 over Ouaka Prefecture of Central African Republic
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… notably underestimate the presence of standing water in built up areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Floodwater depth in Camarines Sur Provinces, Bicol Region (Region V) of Philippines as of 1 November 2020
United Nations Satellite Centre (UNOSAT)Updated 20 Sept 2026
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 2 January 2020 over Banten, Dki Jakarta and Jawa Barat Province of Indonesia
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… underestimate presence of standing flood water in built up areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 19 July 2020 in NE Bangladesh
United Nations Satellite Centre (UNOSAT)Updated 26 Aug 2025
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite-detected water extents as of 30 October 2019, over Beled Weyne District, Hiraan Region in Somalia
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… underestimate the presence of standing floodwater in dense built-up areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite-detected water extents, as of 5 November 2019 over Basse-Kotto Prefecture of the Central African Republic
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… notably underestimate the presence of standing water in built up areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite-detected water extents, as of 5 November 2019 over Basse-Kotto Prefectures of the Central African Republic
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… notably underestimate the presence of standing water in built up areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected waters extents, as of 17 November 2019 over Ouaka Prefecture of Central African Republic
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… of standing waters in built up and/or densely vegetated areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 6 July 2020 over Province 1 and 2 of Nepal
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… July 2020 may seriously underestimate presence of standing flood water in built up areas due to backscattering properties
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extents, as of 10 Sep 2019 over Salavan Province, Lao PDR
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… seriously underestimate presence of standing flood water in built up areas due to backscattering of the radar signal
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected waters extents, as of 17 November 2019 over Basse-Kotto Prefecture of Central African Republic
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… of standing waters in built up and/or densely vegetated areas due to backscattering of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 12 July 2020 over Province 2 of Nepal
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 18 July 2020 over Mymensingh, Rajshahi and Rangpur Divisions, Bangladesh
United Nations Satellite Centre (UNOSAT)Updated 26 Aug 2025
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent, as of 05 May 2019 over Golestan Province, Iran
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… seriously underestimate presence of standing flood water in built up areas due to backscattering of the radar signal
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extents, as of 10 Sep 2019 over Attapeu Province, Lao PDR
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… seriously underestimate presence of standing flood water in built up areas due to backscattering of the radar signal
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 12 July 2020 over Province 1 and 2 of Nepal
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… underestimate the presence of standing waters in built-up areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 13 July 2020 over Province 2 of Nepal
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected water extent as of 14 July 2020 over Province 2 of Nepal
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
- GEODATABASE
- SHP
- Humanitarian Data Exchange
Satellite detected waters extents, as of 6 September 2019 over southern provinces of Lao PDR
United Nations Satellite Centre (UNOSAT)Updated 21 Nov 2025
… seriously underestimate presence of standing flood water in built up areas due to backscattering of the radar signal
- GEODATABASE
- SHP