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DATASET

Global Mangrove Watch: mangrove extent 2015, Sudan

Mangrove extent for 2015 mapped from JAXA L-band SAR (25 m pixels, vectorised) by Global Mangrove Watch v3.0, clipped to Sudan. Each polygon is a contiguous mangrove area; the source holds one attribute (PXLVAL = 1, mangrove).

View on map
CSV GeoJSON
Features
349
mangrove_extent_2015
Observations
0
Linked measurements
Quality score
100 / 100
Completeness · provenance · checks
Version
v1
Imported 2026-10-13

About this dataset

Source
Global Mangrove Watch v3.0
Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)
Source layer
gmw_v3_2015_vec (EPSG:4326)
Module / ecosystem
MANGROVES · Mangroves
Licence
—
Coordinate system
Stored as EPSG:4326 (WGS 84). Source native: n/a
Records archived
349 (matches the source's own count)

How to cite

WWF Kenya, KMFRI, KFS (2026). Global Mangrove Watch: mangrove extent 2015, Sudan. Archived copy held by Atlas Blue Carbon Intelligence (snapshot n/a; SHA-256 0777d18f70518e3d…). Accessed via https://atlas.twende.green/datasets/gmw-v3-2015-sd.

Feature classes

ClassFeatures
mangrove_extent_2015349

Measurements recorded

Geometry-only dataset
No separate measurements; attributes are shown in the data table.

Unit harmonisation applied to this dataset

Every number in Atlas is stored in one canonical unit; the original value and unit are always kept

Source fieldMeasureSource unitAtlas unitFactorTreatment
PXLVALclasspixel value (1 = mangrove)——kept in source_records; class is always mangrove
geometryarea / perimeterEPSG:4326 degreesha / m—geodesic area and perimeter computed on the WGS 84 ellipsoid with PostGIS

Attributes stored per feature

How many features carry each attribute (first 20,000)

AttributeFeatures
year349
area_ha_geodesic349
perimeter_m349

Checked against the geometry

Source value ÷ the same quantity computed from the stored shape

No unit checks apply

Archive & integrity

Snapshot
n/a
Format
ESRI Shapefile (zip), WGS 84
Archive checksum
0777d18f70518e3d254fceb8a38008ee58653901ff49d410355ec48c7abab198
Atlas serves this dataset from its own archived copy. Nothing is requested from the publisher when you view or download it.

Verification against the raw archive

Record counts match the source
Imported record count equals the source's own count; per-record cross-check recorded in the import run.

Import history

RunStatusStartedRecordsRepaired geometries
#166completed2026-10-13 00:21:28.982219+003490
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