Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Santa Barbara Channel

Chief – Residency

1st sighting in Santa Barbara Channel
Fluke of Chief
Chief Confirmed in the catalog @3365
Jul 23 – Sep 21, 2023 · Santa Barbara Channel

Summer Sanctuary

Found my favorite feeding grounds again and settled in for a long, lazy season.

124 m
Deepest dive
3:18
Longest dive
26
Dives
Sightings
3
Days between first and last sighting
60

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 23, 2023437 m18.6°C58 m
Sep 19, 2023832 m20.0°C124 m
Sep 21, 2023604 m19.7°C53 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 23, 2023 — seafloor 437 m (measured), deepest dive 58 m (modelled)Jul 23Sep 19, 2023 — seafloor 832 m (measured), deepest dive 124 m (modelled)Sep 19Sep 21, 2023 — seafloor 604 m (measured), deepest dive 53 m (modelled)Sep 21

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

Dives

124 m
Deepest dive
3:18
Longest dive
26
Dives
28 m
Avg dive depth
3
Sightings
60
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (832 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 19, 2023

measured
Seafloor depth
832 m
Sea-surface temperature
20.0°C
Distance from shore
10.0 km

Across the residency · 3 sightings

measured
Seafloor depth
437 m – 832 m
Sea-surface temperature
18.6°C – 20.0°C
Distance from shore
10.0 km – 16.0 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 3 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.