Mathematician – Residency
13th sighting in Salish Sea
Mathematician @4593
Jul 4 – Sep 4, 2019 · Salish Sea
Salish Sea · Jul – Sep 2019
89 m
Deepest dive
2:35
Longest dive
22
Dives
- Sightings
- 5
- Days between first and last sighting
- 62
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, 2019 | 107 m | 10.8°C | — |
| Jul 5, 2019 | 107 m | 10.9°C | — |
| Jul 7, 2019 | 128 m | 11.0°C | — |
| Sep 2, 2019 | 114 m | 11.1°C | 67 m |
| Sep 4, 2019 | 123 m | 11.2°C | 89 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
89 m
Deepest dive
2:35
Longest dive
22
Dives
27 m
Avg dive depth
5
Sightings
62
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 (123 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 4, 2019
measured- Seafloor depth
- 123 m
- Sea-surface temperature
- 11.2°C
- Distance from shore
- 7.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 107 m – 128 m
- Sea-surface temperature
- 10.8°C – 11.2°C
- Distance from shore
- 6.0 km – 13.0 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.