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

Trident – Residency

36th sighting in Salish Sea
Fluke of Trident
Trident Confirmed in the catalog @7058
Aug 7 – Oct 14, 2019 · Salish Sea

Salish Sea · Aug – Oct 2019

66 m
Deepest dive
2:08
Longest dive
81
Dives
Sightings
7
Days between first and last sighting
68

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 7, 201992 m11.3°C66 m
Aug 8, 201983 m11.1°C39 m
Aug 9, 2019137 m11.3°C49 m
Aug 16, 201979 m12.4°C55 m
Sep 21, 201967 m11.4°C56 m
Sep 24, 2019105 m11.7°C61 m
Oct 14, 2019167 m10.0°C31 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
Aug 7, 2019 — seafloor 92 m (measured), deepest dive 66 m (modelled)Aug 7Aug 8, 2019 — seafloor 83 m (measured), deepest dive 39 m (modelled)Aug 8Aug 9, 2019 — seafloor 137 m (measured), deepest dive 49 m (modelled)Aug 9Aug 16, 2019 — seafloor 79 m (measured), deepest dive 55 m (modelled)Aug 16Sep 21, 2019 — seafloor 67 m (measured), deepest dive 56 m (modelled)Sep 21Sep 24, 2019 — seafloor 105 m (measured), deepest dive 61 m (modelled)Sep 24Oct 14, 2019 — seafloor 167 m (measured), deepest dive 31 m (modelled)Oct 14

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

Dives

66 m
Deepest dive
2:08
Longest dive
81
Dives
20 m
Avg dive depth
7
Sightings
68
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (92 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 · Aug 7, 2019

measured
Seafloor depth
92 m
Sea-surface temperature
11.3°C
Distance from shore
8.0 km

Across the residency · 7 sightings

measured
Seafloor depth
67 m – 167 m
Sea-surface temperature
10.0°C – 12.4°C
Distance from shore
4.0 km – 13.0 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 7 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.