Blackheart – Residency
2nd sighting in Prince William Sound
Blackheart @26348
Sep 12 – Nov 28, 2007 · Prince William Sound
Prince William Sound · Sep – Nov 2007
73 m
Deepest dive
2:44
Longest dive
27
Dives
- Sightings
- 2
- Days between first and last sighting
- 77
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 12, 2007 | 327 m | — | 49 m |
| Nov 28, 2007 | 84 m | — | 73 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
73 m
Deepest dive
2:44
Longest dive
27
Dives
19 m
Avg dive depth
2
Sightings
77
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 (84 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 28, 2007
measured- Seafloor depth
- 84 m
- Sea-surface temperature
- —
- Distance from shore
- —
Across the residency · 2 sightings
measured- Seafloor depth
- 84 m – 327 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.