Sigma – Residency
5th sighting in Gulf of Maine
Sigma @7336
Aug 17 – Oct 20, 2018 · Gulf of Maine
Gulf of Maine · Aug – Oct 2018
56 m
Deepest dive
2:15
Longest dive
25
Dives
- Sightings
- 3
- Days between first and last sighting
- 64
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 17, 2018 | 59 m | — | 39 m |
| Oct 19, 2018 | 28 m | — | 25 m |
| Oct 20, 2018 | 70 m | — | 56 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
56 m
Deepest dive
2:15
Longest dive
25
Dives
21 m
Avg dive depth
3
Sightings
64
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 (70 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 20, 2018
measured- Seafloor depth
- 70 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 28 m – 70 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 25.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.