Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Uranium – Residency

9th sighting in Chatham Strait
Fluke of Uranium
Uranium Confirmed in the catalog @6604
Jun 19 – Jul 29, 2021 · Chatham Strait

Chatham Strait · Jun – Jul 2021

71 m
Deepest dive
3:27
Longest dive
24
Dives
Sightings
4
Days between first and last sighting
40

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 19, 2021140 m—30 m
Jul 19, 2021487 m—46 m
Jul 21, 2021213 m—21 m
Jul 29, 202196 m—71 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jun 19, 2021 — seafloor 140 m (measured), deepest dive 30 m (modelled)Jun 19Jul 19, 2021 — seafloor 487 m (measured), deepest dive 46 m (modelled)Jul 19Jul 21, 2021 — seafloor 213 m (measured), deepest dive 21 m (modelled)Jul 21Jul 29, 2021 — seafloor 96 m (measured), deepest dive 71 m (modelled)Jul 29

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

71 m
Deepest dive
3:27
Longest dive
24
Dives
20 m
Avg dive depth
4
Sightings
40
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010071 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (96 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jul 29, 2021

measured
Seafloor depth
96 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
96 m – 487 m
Sea-surface temperature
—
Distance from shore
1.0 km – 6.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.