PL2018_1002

Spotted seal

waterearth

Spotted seal (Phoca largha) is the marine animal followed in the study “Spotted seal (Phoca largha) location data from a satellite telemetry tag (ptt id 143956) deployed in the Bering Sea from 2018-04-10 to 2018-09-01, deployment id 5acc00e6efec7210e43eb677”. Positions come from a satellite tag. The newest published position was recorded 2 Sept 2018, 12:09 pm. Released by IOOS Animal Telemetry Network (ERDDAP). The study is finished, so this is an archive, not a live location.

Finding a photograph…

Satellite photograph centred on the latest published position of this Spotted seal. — Satellite photograph of the latest published position. Imagery: Esri, Maxar, Earthstar Geographics, and the GIS User Community.

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Tamara's note

Spotted seal (Phoca largha) location data from a satellite telemetry tag (ptt id 143956) deployed in the Bering Sea from 2018-04-10 to 2018-09-01, deployment id 5acc00e6efec7210e43eb677: 314 historical reports newly added to this application.

Movement summary

Window 10 Apr 2018, 10:07 am → 2 Sept 2018, 12:09 pm · 314 accepted reports · algorithm movement-summary/1.0.0

Reported-position distance: 23,164 km
Segments / gaps: 21 / 12
Longest gap: 29.2 days
Median interval: 1 h
Fastest segment: 3,142.8 km/h between reports

Flagged for review · 404 flags

source qc · 314 flags across 314 reports
Source QC flags: type:User, qartod_time:1, qartod_speed:2, qartod_location:1, qartod_rollup:1.
application qc · 55 flags across 55 reports
Application QC flags: user_entered_position, exclude_from_trail.
implausible displacement rate · 35 flags across 65 reports
Displacement of 3651 km in 1.2 h exceeds the review threshold; may reflect positioning uncertainty, assignment problems or an outlier.

12 gap(s) longer than the 72 h gap rule; the route during each gap is unknown.

Deployments

Tag	Technology	Started	Ended	Status	Reports
satellite argos (Wildlife)	satellite_argos · NetCDF file created from position data obtained from Wildlife Computers API.	10 Apr 2018, 10:07 am	1 Sept 2018, 10:00 am	Ended (per provider)	314

Planet Journal

Journey available

Spotted seal in the Bering Sea, 2018

314 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:59 am · evidence checked 27 Oct 2026, 7:59 am

Journey available

Spotted seal in the Bering Sea, 2018

314 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:29 am · evidence checked 27 Oct 2026, 7:29 am

Journey available

Spotted seal in the Bering Sea, 2018

314 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:29 am · evidence checked 27 Oct 2026, 7:29 am

References

Citation recorded from dataset metadata at metadata check.

Generated 27 Oct 2026, 9:08 am under publication policy policy:atn-erddap:default@1,policy:crossref:metadata@1,policy:gbif:default@1,policy:motus@1,policy:obis:default@1,policy:ocearch:default@1,policy:otn-geoserver:default@1,policy:stc:default@1.