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

Trident – Residency

9th sighting in Salish Sea
Fluke of Trident
Trident Confirmed in the catalog @7058
Jul 27 – Oct 29, 2015 · Salish Sea

Salish Sea · Jul – Oct 2015

74 m
Deepest dive
3:03
Longest dive
97
Dives
Sightings
8
Days between first and last sighting
94

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 27, 201559 m12.7°C53 m
Aug 12, 201593 m13.1°C71 m
Aug 13, 201581 m11.8°C55 m
Aug 20, 201593 m13.3°C64 m
Aug 23, 201581 m13.2°C74 m
Sep 25, 201549 m12.9°C40 m
Oct 18, 201573 m10.8°C53 m
Oct 29, 2015177 m10.8°C44 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 27, 2015 — seafloor 59 m (measured), deepest dive 53 m (modelled)Jul 27Aug 12, 2015 — seafloor 93 m (measured), deepest dive 71 m (modelled)Aug 12Aug 13, 2015 — seafloor 81 m (measured), deepest dive 55 m (modelled)Aug 13Aug 20, 2015 — seafloor 93 m (measured), deepest dive 64 m (modelled)Aug 20Aug 23, 2015 — seafloor 81 m (measured), deepest dive 74 m (modelled)Aug 23Sep 25, 2015 — seafloor 49 m (measured), deepest dive 40 m (modelled)Sep 25Oct 18, 2015 — seafloor 73 m (measured), deepest dive 53 m (modelled)Oct 18Oct 29, 2015 — seafloor 177 m (measured), deepest dive 44 m (modelled)Oct 29

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

Dives

74 m
Deepest dive
3:03
Longest dive
97
Dives
22 m
Avg dive depth
8
Sightings
94
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010074 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (81 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 23, 2015

measured
Seafloor depth
81 m
Sea-surface temperature
13.2°C
Distance from shore
3.0 km

Across the residency · 8 sightings

measured
Seafloor depth
49 m – 177 m
Sea-surface temperature
10.8°C – 13.3°C
Distance from shore
3.0 km – 10.0 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 8 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.