Hemlock – Residency
40th sighting in Salish Sea
Hemlock @5001
Jul 18 – Aug 1, 2022 · Salish Sea
Salish Sea · Jul – Aug 2022
131 m
Deepest dive
5:00
Longest dive
58
Dives
- Sightings
- 3
- Days between first and last sighting
- 14
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 18, 2022 | 141 m | 10.5°C | 109 m |
| Jul 31, 2022 | 100 m | 13.6°C | 61 m |
| Aug 1, 2022 | 161 m | 13.3°C | 131 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
131 m
Deepest dive
5:00
Longest dive
58
Dives
28 m
Avg dive depth
3
Sightings
14
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 (161 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 1, 2022
measured- Seafloor depth
- 161 m
- Sea-surface temperature
- 13.3°C
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 100 m – 161 m
- Sea-surface temperature
- 10.5°C – 13.6°C
- Distance from shore
- 6.0 km – 7.0 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.