GrayShell – Residency
10th sighting in Sitka Sound & Outer Baranof
GrayShell @26825
Jul 28 – Sep 1, 2021 · Sitka Sound & Outer Baranof
Sitka Sound & Outer Baranof · Jul – Sep 2021
71 m
Deepest dive
2:50
Longest dive
63
Dives
- Sightings
- 7
- Days between first and last sighting
- 36
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 28, 2021 | 55 m | 14.7°C | 42 m |
| Jul 28, 2021 | 56 m | 14.4°C | 49 m |
| Aug 15, 2021 | 78 m | 14.1°C | 48 m |
| Aug 18, 2021 | 79 m | 14.2°C | 51 m |
| Aug 20, 2021 | 37 m | 14.4°C | 26 m |
| Aug 23, 2021 | 78 m | 14.5°C | 71 m |
| Sep 1, 2021 | 78 m | 14.4°C | 15 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
71 m
Deepest dive
2:50
Longest dive
63
Dives
21 m
Avg dive depth
7
Sightings
36
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (78 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 23, 2021
measured- Seafloor depth
- 78 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 7.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 37 m – 79 m
- Sea-surface temperature
- 14.1°C – 14.7°C
- Distance from shore
- 1.0 km – 7.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.