Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

Angstrom – Residency

3rd sighting in Sitka Sound & Outer Baranof
Fluke of Angstrom
Angstrom Confirmed in the catalog @18226
Jun 14 – Sep 17, 2019 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Jun – Sep 2019

104 m
Deepest dive
3:49
Longest dive
74
Dives
Sightings
7
Days between first and last sighting
95

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 2019158 m10.9°C69 m
Aug 10, 201990 m16.1°C40 m
Aug 24, 2019117 m12.0°C86 m
Sep 1, 201994 m12.5°C29 m
Sep 15, 2019222 m12.1°C104 m
Sep 16, 2019218 m12.3°C67 m
Sep 17, 2019177 m12.1°C91 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
Jun 14, 2019 — seafloor 158 m (measured), deepest dive 69 m (modelled)Jun 14Aug 10, 2019 — seafloor 90 m (measured), deepest dive 40 m (modelled)Aug 10Aug 24, 2019 — seafloor 117 m (measured), deepest dive 86 m (modelled)Aug 24Sep 1, 2019 — seafloor 94 m (measured), deepest dive 29 m (modelled)Sep 1Sep 15, 2019 — seafloor 222 m (measured), deepest dive 104 m (modelled)Sep 15Sep 16, 2019 — seafloor 218 m (measured), deepest dive 67 m (modelled)Sep 16Sep 17, 2019 — seafloor 177 m (measured), deepest dive 91 m (modelled)Sep 17

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

Dives

104 m
Deepest dive
3:49
Longest dive
74
Dives
27 m
Avg dive depth
7
Sightings
95
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (222 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 15, 2019

measured
Seafloor depth
222 m
Sea-surface temperature
12.1°C
Distance from shore
2.0 km

Across the residency · 7 sightings

measured
Seafloor depth
90 m – 222 m
Sea-surface temperature
10.9°C – 16.1°C
Distance from shore
1.0 km – 2.0 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.