Preliminary Satellite Derived Flood Assessment in Niamey, Maradi & Agadez Regions, Niger

Home , Agadez, Maradi Region, Niamey

Preliminary satellite derived flood assessment in Niamey, Maradi & Agadez Regions, Niger

Production Date: 09 Sep 2019 Areas of Interest (AOIs)

AOI 3 NIGER Agadez

Agadaz

Tahoua Diffa

Zinder Tillaberi Maradi

Doso AOI 1 AOI 2 Niamey Maradi

2 AOI 1 : Niamey Region, Niger

Sentinel-2 false color composite Pre-flood situation acquired on 17 AugIGERNIGER 2019

NIGER

SUDAN

Airport

3 km

3 Source: EO-browser sentinel-hub AOI 1 : Niamey Region, Niger

Sentinel-2 false color composite acquired on 06 Sep 2019 NIGER

NIGER

SUDAN flooded areas close to urban zone Goroual Airport

Inundated agricultural fields in the vicinity of urban areas Wet area in Agricultural zone

Flooded areas close to urban zone and several agricultural fields along the river seem to be flooded

3 km

4 Source: EO-browser sentinel-hub AOI 2 : Maradi Region, Niger

Sentinel-2 false color composite Sentinel-2 false color composite acquired on 31 Aug 2019 acquired on 05 Sep 2019 1 km 1 km

Zone with receded waters north of Maradi The Airport The Airport

NIGER

Agricultural areas

Receding waters in Maradi area between 31 Aug 2019 and 05 Sep 2019

5 Source: EO-browser sentinel-hub AOI 2 : Maradi Region, Niger

Sentinel-1 Radar Image acquired on 05 Sep 2019

No fluvial overbank flow observed

NIGER SUDAN 1 km

6 Source: EO-browser sentinel-hub AOI 3 : Agadez Region, Niger

GeoEye-1 acquired on 04 Aug 2019 Worldview-3 acquired on 04 Sep 2019

3 km 3 km

Agricultural Agricultural areas areas

Agadez Agadez Airport Airport

NIGER

Situation assessment in Agadez as of 04 Sep 2019

Worldview-3 acquired on 04 Sep 2019: Post-flood situation Waters have receded from several zones of Agadez (e.g. Agadez hospital) as of 04 September 2019

NIGER

Standing waters in the vicinity of Agadez hospital

20 m

Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation

NIGER

Standing waters in the vicinity of runway

Airport appears to be operational as of 04 Sep 2019 500 m

Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation

NIGER

Standing waters in the vicinity of Agadez airport

Waters have receded from several zones around the runway as of 04 September 2019 100 m

Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation Teloua river

NIGER

Agricultural fields north of Agadez along the Teloua river were unaffected on 04 September 2019 100 m

 Niamey – Several inundated areas affecting agricultural fields and that were observed very close to urban zones seem to be under the threat of floods along the Niger;

 Maradi Region – The most recent image on from September shows that waters receeded compared with the situation observed on 31 Aug 2019;

 Agadez Region – Waters have receded from several zones of Agadez city and no critical facilities appear to be still affected. However, there are still standing waters within the city and its surroundings as of 04 September 2019.

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