Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Glacier Bay & Icy Strait

Arpeggio – Residency

40th sighting in Glacier Bay & Icy Strait
Fluke of Arpeggio
Arpeggio Confirmed in the catalog @4618
Jun 29 – Nov 4, 2021 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jun – Nov 2021

220 m
Deepest dive
6:59
Longest dive
78
Dives
Sightings
7
Days between first and last sighting
127

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 202177 m12.5°C62 m
Jul 5, 2021274 m11.5°C220 m
Jul 19, 2021487 m12.8°C63 m
Jul 21, 2021203 m13.3°C45 m
Jul 29, 202153 m13.5°C28 m
Sep 17, 202150 m11.1°C37 m
Nov 4, 202157 m7.2°C36 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jun 29, 2021 — seafloor 77 m (measured), deepest dive 62 m (modelled)Jun 29Jul 5, 2021 — seafloor 274 m (measured), deepest dive 220 m (modelled)Jul 5Jul 19, 2021 — seafloor 487 m (measured), deepest dive 63 m (modelled)Jul 19Jul 21, 2021 — seafloor 203 m (measured), deepest dive 45 m (modelled)Jul 21Jul 29, 2021 — seafloor 53 m (measured), deepest dive 28 m (modelled)Jul 29Sep 17, 2021 — seafloor 50 m (measured), deepest dive 37 m (modelled)Sep 17Nov 4, 2021 — seafloor 57 m (measured), deepest dive 36 m (modelled)Nov 4

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

220 m
Deepest dive
6:59
Longest dive
78
Dives
22 m
Avg dive depth
7
Sightings
127
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250220 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (274 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jul 5, 2021

measured
Seafloor depth
274 m
Sea-surface temperature
11.5°C
Distance from shore
1.0 km

Across the residency · 7 sightings

measured
Seafloor depth
50 m – 487 m
Sea-surface temperature
7.2°C – 13.5°C
Distance from shore
1.0 km – 5.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 7 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.