Sindh flood plain, Dadu

The 2022 monsoon floods that submerged a third of the province.

1,987.0 hectares changed — new water / flooding · Before: 1 Apr 2022 – 30 Jun 2022 · After: 1 Sep 2022 – 31 Oct 2022 · 26.730, 67.780

BEFORE 2022-06

AFTER 2022-10

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1,987.0 haarea changed

326areas flagged

10,020 haarea examined

2satellites used

What changed, by type

932.0 haNew water / flooding

821.5 haunclassified

220.1 haNew construction / earthworks

13.3 haVegetation cleared

Land changes in both directions at once. SCOPE reports every type it measured, not only the one that makes the better headline.

What SCOPE found

New water / flooding — 219.4 ha
3.8 km east · 86% sure

New water / flooding — 86.6 ha
2.7 km south-east · 86% sure

New water / flooding — 66.4 ha
3.7 km north-east · 86% sure

New water / flooding — 58.8 ha
4.9 km south-east · 82% sure

New water / flooding — 35.1 ha
6.3 km north-east · 86% sure

How sure is this?

The strongest area (#1) has 86% confidence. It appears in 5 of 5 later clear images, so it is not a one-day artefact. Radar could not confirm or rule them out (normal for vegetation changes), so the result rests on repeated clear optical views and the seasonal comparison. Only 0% of the area had clear optical views, so some change may be hidden by cloud. Note: Optical imagery was unusable (cloud); results rely on Sentinel-1 radar only. Confidence measures how strong the evidence for real surface change is; it does not identify the cause or who did it.

How it was measured

SCOPE used Sentinel-2 optical imagery at 10 m, cloud-masked and combined over each period, Sentinel-1 radar as an independent check , and the same season in earlier years so normal seasonal change is not reported as real change. The analysis took 15 seconds.

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