Scratch – Residency
11th sighting in Chatham Strait
Scratch @5323
Jun 14 – Sep 16, 2019 · Chatham Strait
Chatham Strait · Jun – Sep 2019
175 m
Deepest dive
7:02
Longest dive
90
Dives
- Sightings
- 10
- Days between first and last sighting
- 94
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 14, 2019 | 158 m | 10.9°C | 107 m |
| Jun 15, 2019 | 243 m | 10.5°C | 175 m |
| Jul 20, 2019 | 129 m | 12.6°C | 48 m |
| Jul 21, 2019 | 273 m | 12.8°C | 87 m |
| Jul 24, 2019 | 269 m | 13.6°C | 88 m |
| Aug 21, 2019 | 177 m | 12.7°C | 83 m |
| Aug 24, 2019 | 117 m | 12.0°C | 29 m |
| Aug 28, 2019 | 93 m | 11.6°C | 37 m |
| Sep 15, 2019 | 167 m | 12.1°C | 120 m |
| Sep 16, 2019 | 217 m | 12.3°C | 30 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
175 m
Deepest dive
7:02
Longest dive
90
Dives
33 m
Avg dive depth
10
Sightings
94
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 (243 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 15, 2019
measured- Seafloor depth
- 243 m
- Sea-surface temperature
- 10.5°C
- Distance from shore
- 1.0 km
Across the residency · 10 sightings
measured- Seafloor depth
- 93 m – 273 m
- Sea-surface temperature
- 10.5°C – 13.6°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 10 catalogued encounters on Happywhale.