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

Trident – Residency

18th sighting in Salish Sea
Fluke of Trident
Trident Confirmed in the catalog @7058
Jul 27 – Oct 22, 2017 · Salish Sea

Salish Sea · Jul – Oct 2017

74 m
Deepest dive
2:58
Longest dive
106
Dives
Sightings
8
Days between first and last sighting
87

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 27, 2017155 m11.9°C52 m
Aug 27, 201751 m11.7°C45 m
Sep 1, 201751 m12.6°C43 m
Sep 2, 201768 m13.2°C21 m
Sep 4, 201790 m13.5°C74 m
Sep 28, 2017119 m11.7°C44 m
Oct 8, 2017164 m9.7°C73 m
Oct 22, 201751 m9.8°C35 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, 2017 — seafloor 155 m (measured), deepest dive 52 m (modelled)Jul 27Aug 27, 2017 — seafloor 51 m (measured), deepest dive 45 m (modelled)Aug 27Sep 1, 2017 — seafloor 51 m (measured), deepest dive 43 m (modelled)Sep 1Sep 2, 2017 — seafloor 68 m (measured), deepest dive 21 m (modelled)Sep 2Sep 4, 2017 — seafloor 90 m (measured), deepest dive 74 m (modelled)Sep 4Sep 28, 2017 — seafloor 119 m (measured), deepest dive 44 m (modelled)Sep 28Oct 8, 2017 — seafloor 164 m (measured), deepest dive 73 m (modelled)Oct 8Oct 22, 2017 — seafloor 51 m (measured), deepest dive 35 m (modelled)Oct 22

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

Dives

74 m
Deepest dive
2:58
Longest dive
106
Dives
22 m
Avg dive depth
8
Sightings
87
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010074 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (90 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 4, 2017

measured
Seafloor depth
90 m
Sea-surface temperature
13.5°C
Distance from shore
10.0 km

Across the residency · 8 sightings

measured
Seafloor depth
51 m – 164 m
Sea-surface temperature
9.7°C – 13.5°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.