Scratch – Residency
14th sighting in Chatham Strait
Scratch @5323
Jun 17 – Aug 8, 2021 · Chatham Strait
Chatham Strait · Jun – Aug 2021
92 m
Deepest dive
3:59
Longest dive
51
Dives
- Sightings
- 3
- Days between first and last sighting
- 52
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 17, 2021 | 217 m | 11.1°C | 42 m |
| Jun 17, 2021 | 107 m | 11.1°C | 84 m |
| Aug 8, 2021 | 116 m | 15.6°C | 92 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
92 m
Deepest dive
3:59
Longest dive
51
Dives
30 m
Avg dive depth
3
Sightings
52
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 (116 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 8, 2021
measured- Seafloor depth
- 116 m
- Sea-surface temperature
- 15.6°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 107 m – 217 m
- Sea-surface temperature
- 11.1°C – 15.6°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.