Atlas · Côte d'Ivoire / Signals & Anomalies
INTELLIGENCE

Signals & anomalies

Statistical checks that flag polygons and patterns that look unusual. They are prompts for review, not errors: an unusual polygon can be a real feature.

Polygons < 0.01 ha
0
0.0% of all polygons
Polygons < 0.001 ha
0
Likely slivers (≈ 10 m²)
Geometries repaired
55,235
Invalid shapes fixed on import
Effective mesh size
115.0 ha
Largest patch 8.5% of area

Largest-size outliers

z-score of ln(area): how many standard deviations above typical

FormationArea (ha)zLocation
Mangrove689.35.724.3804, -7.5222
Mangrove282.35.075.1836, -4.8088
Mangrove283.25.075.1489, -3.2525
Mangrove176.24.735.2936, -3.7141
Mangrove175.74.725.1122, -5.3623
Mangrove141.74.575.1071, -5.5418
Mangrove135.64.534.4803, -7.2530
Mangrove133.84.525.1381, -3.2187
Mangrove130.14.505.1610, -4.9368
Mangrove127.74.495.2087, -5.0846

Most irregular outlines

Shape index (perimeter ÷ circle perimeter): high values suggest jagged or sliver-like edges

FormationArea (ha)Shape idxLocation
Mangrove283.209.25.1489, -3.2525
Mangrove57.467.24.7008, -6.7600
Mangrove141.746.35.1071, -5.5418
Mangrove689.305.74.3804, -7.5222
Mangrove88.705.74.9797, -6.0814
Mangrove127.755.55.2087, -5.0846
Mangrove282.305.55.1836, -4.8088
Mangrove38.545.45.3437, -3.7665
Mangrove79.145.35.1688, -5.3205
Mangrove61.705.35.1731, -3.3037
Mangrove18.435.25.1190, -5.3593
Mangrove31.615.25.1370, -5.2957
How to use this page. Check flagged polygons against recent satellite imagery. Remove genuine mapping artefacts in the next source update; keep real features. Atlas never edits the source data silently.
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