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

Dross – Residency

13th sighting in Gulf of Maine
Fluke of Dross
Dross Confirmed in the catalog @15615
Jul 27 – Aug 7, 2019 · Gulf of Maine

Gulf of Maine · Jul – Aug 2019

—
Deepest dive
—
Longest dive
—
Dives
Sightings
3
Days between first and last sighting
11

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 27, 2019106 m19.9°C—
Aug 1, 201997 m21.6°C—
Aug 7, 201984 m19.6°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
Jul 27, 2019 — seafloor 106 m (measured), deepest dive — (modelled)Jul 27Aug 1, 2019 — seafloor 97 m (measured), deepest dive — (modelled)Aug 1Aug 7, 2019 — seafloor 84 m (measured), deepest dive — (modelled)Aug 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
3
Sightings
11
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 · Aug 7, 2019

measured
Seafloor depth
84 m
Sea-surface temperature
19.6°C
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
84 m – 106 m
Sea-surface temperature
19.6°C – 21.6°C
Distance from shore
7.0 km – 13.0 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 3 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.