Helix – Residency
6th sighting in Glacier Bay & Icy Strait
Helix @18502
Oct 5 – Nov 2, 2021 · Glacier Bay & Icy Strait
Glacier Bay & Icy Strait · Oct – Nov 2021
58 m
Deepest dive
2:18
Longest dive
63
Dives
- Sightings
- 4
- Days between first and last sighting
- 28
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Oct 5, 2021 | 82 m | 8.2°C | 43 m |
| Oct 17, 2021 | 178 m | 6.9°C | 17 m |
| Oct 17, 2021 | 92 m | 7.2°C | 56 m |
| Nov 2, 2021 | 123 m | 6.5°C | 58 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
58 m
Deepest dive
2:18
Longest dive
63
Dives
17 m
Avg dive depth
4
Sightings
28
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 (123 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 2, 2021
measured- Seafloor depth
- 123 m
- Sea-surface temperature
- 6.5°C
- Distance from shore
- 1.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 82 m – 178 m
- Sea-surface temperature
- 6.5°C – 8.2°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.