Big Mama – Residency
11th sighting in Salish Sea
Big Mama @2120
Aug 14 – Sep 2, 2013 · Salish Sea
Salish Sea · Aug – Sep 2013
38 m
Deepest dive
1:57
Longest dive
16
Dives
- Sightings
- 2
- Days between first and last sighting
- 18
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 14, 2013 | 101 m | 11.3°C | 38 m |
| Sep 2, 2013 | 77 m | 11.9°C | 31 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
38 m
Deepest dive
1:57
Longest dive
16
Dives
20 m
Avg dive depth
2
Sightings
18
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 (101 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 14, 2013
measured- Seafloor depth
- 101 m
- Sea-surface temperature
- 11.3°C
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 77 m – 101 m
- Sea-surface temperature
- 11.3°C – 11.9°C
- Distance from shore
- 4.0 km – 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.