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Earth and climate

Global Kelp Forest Monitoring

Context-aware adaptive selection from a pool of kelp detectors, with the British Columbia coast as the case study.

Sentinel-2 true-colour time-lapse of the coast of Nootka Island, British Columbia, eight dates from 2021 to 2023, with kelp beds as dark patches near the shore. Contains modified Copernicus Sentinel data 2021 to 2023. Free and open under the Copernicus data licence. Source (opens in a new tab)

The problem

A single global kelp detector is not optimal everywhere.

The method

Context-aware adaptive selection from a pool of kelp detectors. The method learns which detector to trust for each satellite tile of coastline, with the British Columbia coast as the case study.

Illustration

Detector ADetector BDetector CDetector DEach tile of coast gets its most trusted detector.

What changes

The pool with adaptive selection monitors a wider range of coast than any one global model.