Twyla – Residency
13th sighting in Chatham Strait
Twyla @6414
Jul 15 – 21, 2017 · Chatham Strait
Chatham Strait · Jul 2017
123 m
Deepest dive
4:14
Longest dive
50
Dives
- Sightings
- 3
- Days between first and last sighting
- 6
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 15, 2017 | 159 m | 10.8°C | 123 m |
| Jul 15, 2017 | 104 m | 10.7°C | 78 m |
| Jul 21, 2017 | 67 m | 13.0°C | 62 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
123 m
Deepest dive
4:14
Longest dive
50
Dives
33 m
Avg dive depth
3
Sightings
6
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 15, 2017
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 10.8°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 67 m – 159 m
- Sea-surface temperature
- 10.7°C – 13.0°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 3 catalogued encounters on Happywhale.