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

Trifecta – Residency

29th sighting in Salish Sea
Fluke of Trifecta
Trifecta Confirmed in the catalog @26492
Jul 8 – Sep 22, 2020 · Salish Sea

Salish Sea · Jul – Sep 2020

82 m
Deepest dive
3:23
Longest dive
49
Dives
Sightings
4
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 8, 2020154 m10.1°C81 m
Sep 6, 2020173 m11.5°C77 m
Sep 8, 2020172 m11.7°C51 m
Sep 22, 2020178 m10.4°C82 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
Jul 8, 2020 — seafloor 154 m (measured), deepest dive 81 m (modelled)Jul 8Sep 6, 2020 — seafloor 173 m (measured), deepest dive 77 m (modelled)Sep 6Sep 8, 2020 — seafloor 172 m (measured), deepest dive 51 m (modelled)Sep 8Sep 22, 2020 — seafloor 178 m (measured), deepest dive 82 m (modelled)Sep 22

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

Dives

82 m
Deepest dive
3:23
Longest dive
49
Dives
26 m
Avg dive depth
4
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010082 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (178 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 · Sep 22, 2020

measured
Seafloor depth
178 m
Sea-surface temperature
10.4°C
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
154 m – 178 m
Sea-surface temperature
10.1°C – 11.7°C
Distance from shore
6.0 km – 9.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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.