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

Dross – Residency

10th sighting in Gulf of Maine
Fluke of Dross
Dross Confirmed in the catalog @15615
Jun 10 – Jul 7, 2018 · Gulf of Maine

Gulf of Maine · Jun – Jul 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
8
Days between first and last sighting
27

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 2018147 m15.0°C—
Jun 18, 201870 m16.2°C—
Jun 18, 201839 m16.1°C—
Jun 19, 201859 m16.5°C—
Jun 23, 201868 m16.9°C—
Jun 23, 201823 m17.4°C—
Jun 26, 201875 m16.1°C—
Jul 7, 201890 m18.3°C—

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 10, 2018 — seafloor 147 m (measured), deepest dive — (modelled)Jun 10Jun 18, 2018 — seafloor 70 m (measured), deepest dive — (modelled)Jun 18Jun 18, 2018 — seafloor 39 m (measured), deepest dive — (modelled)Jun 18Jun 19, 2018 — seafloor 59 m (measured), deepest dive — (modelled)Jun 19Jun 23, 2018 — seafloor 68 m (measured), deepest dive — (modelled)Jun 23Jun 23, 2018 — seafloor 23 m (measured), deepest dive — (modelled)Jun 23Jun 26, 2018 — seafloor 75 m (measured), deepest dive — (modelled)Jun 26Jul 7, 2018 — seafloor 90 m (measured), deepest dive — (modelled)Jul 7

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
8
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. Not measured.

Deep Effort Score

Deep

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

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Place

Where this happened · Jul 7, 2018

measured
Seafloor depth
90 m
Sea-surface temperature
18.3°C
Distance from shore
22.0 km

Across the residency · 8 sightings

measured
Seafloor depth
23 m – 147 m
Sea-surface temperature
15.0°C – 18.3°C
Distance from shore
9.0 km – 36.0 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 8 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).

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