Hemlock – Residency
33rd sighting in Salish Sea
Hemlock @5001
Jul 4 – Oct 12, 2020 · Salish Sea
Salish Sea · Jul – Oct 2020
125 m
Deepest dive
4:19
Longest dive
70
Dives
- Sightings
- 5
- Days between first and last sighting
- 100
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 4, 2020 | 136 m | 10.9°C | 60 m |
| Jul 19, 2020 | 172 m | 11.7°C | 21 m |
| Aug 23, 2020 | 173 m | 11.0°C | 125 m |
| Oct 8, 2020 | 73 m | — | 57 m |
| Oct 12, 2020 | 74 m | 10.2°C | 47 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
125 m
Deepest dive
4:19
Longest dive
70
Dives
20 m
Avg dive depth
5
Sightings
100
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 (173 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 23, 2020
measured- Seafloor depth
- 173 m
- Sea-surface temperature
- 11.0°C
- Distance from shore
- 11.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 73 m – 173 m
- Sea-surface temperature
- 10.2°C – 11.7°C
- Distance from shore
- 1.0 km – 11.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.