Cotton – Residency
10th sighting in Glacier Bay & Icy Strait
Cotton @13320
May 21 – Sep 21, 2023 · Glacier Bay & Icy Strait
Glacier Bay & Icy Strait · May – Sep 2023
109 m
Deepest dive
3:44
Longest dive
107
Dives
- Sightings
- 7
- Days between first and last sighting
- 123
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 21, 2023 | 274 m | 8.3°C | 47 m |
| May 23, 2023 | 171 m | 8.6°C | 75 m |
| Jul 30, 2023 | 212 m | 14.4°C | 109 m |
| Aug 2, 2023 | 96 m | 16.2°C | 73 m |
| Aug 22, 2023 | 660 m | 11.5°C | 105 m |
| Sep 21, 2023 | 83 m | 10.2°C | 30 m |
| Sep 21, 2023 | 241 m | 10.1°C | 48 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
109 m
Deepest dive
3:44
Longest dive
107
Dives
23 m
Avg dive depth
7
Sightings
123
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 (212 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 30, 2023
measured- Seafloor depth
- 212 m
- Sea-surface temperature
- 14.4°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 83 m – 660 m
- Sea-surface temperature
- 8.3°C – 16.2°C
- Distance from shore
- 1.0 km – 6.0 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.