Atlas · Mauritius / 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
4.7 ha
Largest patch 3.5% of area

Largest-size outliers

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

FormationArea (ha)zLocation
Mangrove14.42.83-20.0346, 57.6999
Mangrove13.92.81-20.1490, 57.7439
Mangrove12.42.72-20.3701, 57.7109
Mangrove11.32.65-20.4749, 57.6735
Mangrove10.62.60-20.3755, 57.7149
Mangrove9.52.52-19.6963, 63.3901
Mangrove9.32.51-20.2683, 57.8009
Mangrove8.22.41-20.0381, 57.6916
Mangrove8.02.39-19.6876, 63.3987
Mangrove7.52.34-20.2580, 57.8034

Most irregular outlines

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

FormationArea (ha)Shape idxLocation
Mangrove8.243.8-20.0381, 57.6916
Mangrove13.873.8-20.1490, 57.7439
Mangrove5.723.4-20.0177, 57.6760
Mangrove7.153.3-20.1071, 57.7257
Mangrove6.293.2-20.4617, 57.3389
Mangrove6.643.2-20.0726, 57.6923
Mangrove5.543.2-20.2602, 57.7982
Mangrove6.972.9-20.2618, 57.8041
Mangrove9.322.8-20.2683, 57.8009
Mangrove4.802.8-19.9907, 57.6296
Mangrove14.382.8-20.0346, 57.6999
Mangrove6.392.8-20.0392, 57.6970
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.
Guest preview · 177s left Explore until the timer ends. Then you’ll be asked to log in or create an account (about two minutes) to keep going.
Ask Atlas