Acoustic detections of Arctic mammals in the western Beaufort Sea 2010-2011

Kate Stafford, University of Washington

Dataset credit

Kate Stafford, University of Washington


Primary contact Kate Stafford University of Washington
Data entry Ei Fujioka Duke University



Passive acoustic data were collected from a mooring deployed at 71.412 N 152.0065 W in the Beaufort Sea. Sounds of bowhead and beluga whales and bearded seals were recorded seasonally. Bowhead and beluga whale sounds occurred in the fall, spring and summer. Bearded seals were recorded primarily in the winter.


These data were collected as part of an interdisciplinary project to monitor the influence of the western Arctic boundary current on the ecosystem of the Beaufort Sea shelf. Hydrophones were deployed along side an oceanographic mooring measuring current speed and direction, temperature, salinity and ice cover to determine what, if any, of these physical parameters influence the presence of vocal Arctic marine mammals including bowhead and beluga whales and bearded seals.

Supplemental information

Acoustic monitoring was on during the first 15 minutes of every hour starting on 9/25/2010 and ended on 8/29/2011. Each record represents presence of the species.

hydrophone deployed: Multi-electronique Aural M2

Sampling frequency: 16384 Hz




This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.

Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.

Attributes in dataset

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
sp_obsSpecies name recorded
obs_dateDate of the recording
obs_timeTime of the recording at UTC
obs_countGroup size (blank; presence only)
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
seriesDevice ID
latitudeLatitude in decimal degrees
longitudeLongitude in decimal degrees
geomGeometry field added by OBIS-SEAMAP
datetime_utcSighting date and time in UTC added by OBIS-SEAMAP
datetime_alDate and time at local time zone (Alaska)
Marine mammals5,824
Sea turtles0
Rays and sharks0
Other species0
Non spatial0
Non species0
Date, Begin2010-09-24
Date, End2011-08-27
Temporal prec.111100
Latitude71.41 - 71.41
Longitude-152.01 - -152.01
Coord. prec.3 decimal digits
Data typeAcoustic - presence
EffortYES (ID: 915)
Traveled (km)0
Travel hours2,034
Contr. through
Sharing policy CC-BY-NC (Minimum)
Shared with OBIS
GBIF (via DOI)
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