sierra leone flood - unitar · coordinate system: wgs 1984 utm zone 28n projection: transverse...
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Mirimboe
Regent
Gbendembu
Malama/Kamayama
Juba/Kaningo
Goderich-Adonkia/M
Leicester
Hill Station
West III
Mountain Rural
York Rural
Western Area Western Area Rural
Western Area Urban
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS UserCommunity
13°13'45"W
13°13'45"W
13°14'0"W
13°14'0"W
13°14'15"W
13°14'15"W
13°14'30"W
13°14'30"W
13°14'45"W
13°14'45"W
13°15'0"W
13°15'0"W
13°15'15"W
13°15'15"W
13°15'30"W
13°15'30"W
8°27'0
"N
8°27'0
"N
8°26'4
5"N
8°26'4
5"N
8°26'3
0"N
8°26'3
0"N
8°26'1
5"N
8°26'1
5"N
8°26'0
"N
8°26'0
"N
SIERRA LEONERegentImagery analysis: 15 August 2017 | Published 16 August 2017 | Version 1.0
Flood
FL20170815SLE
This map illustrates satellite-detected landslidesand mudflow that affected Regent area southeastern Freetown using a GeoEye-1 acquired the15 August 2017 compared with a pre-crisis imageacquired the 03 March 2017. UNOSAT extractedareas affected by the landslide and subsequentmudflow and could identify 349 damagedstructure and 1.3 km of damaged roads within theanalysed area. This analysis has not yet beenvalidated in the field. Please send groundfeedback to UNITAR /UNOSAT.
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S I E R R A L E O N E
Freetown
The depiction and use of boundaries, geographic names and related data shown here are not warranted to be error-free nor do they implyofficial endorsement or acceptance by the United Nations. UNOSAT is a program of the United Nations Institute for Training and Research(UNITAR), providing satellite imagery and related geographic information, research and analysis to UN humanitarian & developmentagencies & their implementing partners. This work by UNITAR-UNOSAT is licensed under a CC BY-NC 3.0.
Potentially Affected Zones by theMudflow in southeastern Freetown,Sierra Leone
Satellite Data (1): GeoEye-1Imagery Dates: 15 August 2017Resolution: 50 cmCopyright: DigitalGlobe, Inc.Source: USGS-HDDS
Satellite Data (2): Worldview-3Imagery Date: 03 March 2017Resolution: 50 cmCopyright: DigitalGlobe, Inc.Source: USGS-HDDS
Road Data : OpenStreetMap / HDXOther Data: USGS, UNCS, NASA, NGAAnalysis : UNITAR - UNOSATProduction: UNITAR - UNOSAT
!IMap Scale for A3: 1:11,000
Analysis conducted with ArcGIS v10.4.1
Coordinate System: WGS 1984 UTM Zone 28NProjection: Transverse MercatorDatum: WGS 1984Units: Meter
ÆA
Map location
Legend
See inset for close-up view of landslide impact
INSET: 03 March 2017 INSET: 15 August 2017
Mudflow
") Affected buildings") City/Town
Village/LocalityPrimary roadSecondary/Local roadAffected roadMudflowDistrict boundaryChiefdom boundary
Chiefdoms / Counties Potentially affected buildings
Mountain Rural 192Regent 192
West III 157Juba/Kaningo 87Malama/Kamayama 70
Total 349
Flow direction