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

Split Fin – Residency

66th sighting in Salish Sea
Fluke of Split Fin
Split Fin Confirmed in the catalog @4083
Jul 4 – 14, 2020 · Salish Sea

Salish Sea · Jul 2020

168 m
Deepest dive
6:14
Longest dive
110
Dives
Sightings
5
Days between first and last sighting
11
Deepest dive on record
168 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 4, 2020149 m10.3°C56 m
Jul 9, 2020169 m10.3°C117 m
Jul 12, 2020402 m16.4°C140 m
Jul 13, 2020345 m17.1°C93 m
Jul 14, 2020287 m16.4°C168 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 4, 2020 — seafloor 149 m (measured), deepest dive 56 m (modelled)Jul 4Jul 9, 2020 — seafloor 169 m (measured), deepest dive 117 m (modelled)Jul 9Jul 12, 2020 — seafloor 402 m (measured), deepest dive 140 m (modelled)Jul 12Jul 13, 2020 — seafloor 345 m (measured), deepest dive 93 m (modelled)Jul 13Jul 14, 2020 — seafloor 287 m (measured), deepest dive 168 m (modelled)Jul 14

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

Dives

168 m
Deepest dive
6:14
Longest dive
110
Dives
26 m
Avg dive depth
5
Sightings
11
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200168 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (287 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 14, 2020

measured
Seafloor depth
287 m
Sea-surface temperature
16.4°C
Distance from shore
10.0 km

Across the residency · 5 sightings

measured
Seafloor depth
149 m – 402 m
Sea-surface temperature
10.3°C – 17.1°C
Distance from shore
4.0 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 5 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.