Empire Wind Digital Aerial Wildlife Surveys for BOEM Lease Area OCS-A 0520, Equinor Wind US LLC, February - December 2019

APEM Limited

Dataset credit

APEM Inc. and Normandeau Associates Inc.


Primary contact Laura Jervis APEM Limited
Primary contact Beth Goddard APEM Limited
Data entry Ei Fujioka Duke University


Jervis, L. and D. Phillips. 2021. Empire Wind Digital Aerial Wildlife Surveys for BOEM Lease Area OCS-A 0520, Equinor Wind US LLC, February - December 2019. Data downloaded from OBIS-SEAMAP (https://seamap.env.duke.edu/dataset/2159) on yyyy-mm-dd.


Equinor Wind US, LLC were committed to undertaking a Construction and Operation Plan (COP) of their lease area located in the New York Bight (OCS-A 0520). To facilitate this, 12 surveys were undertaken between February 2019 and December 2019 by APEM Inc. and Normandeau Associates, Inc. (Normandeau-APEM Team) to provide baseline information for consideration in the assessment of potential impacts.


Equinor initiated monthly offshore high resolution aerial surveys of marine mega-fauna in the New York Bight offshore wind lease area plus a 4 km (2.5 mile) buffer. The surveys used APEM Inc.'s ultra-high resolution aerial digital still imagery to characterize birds present in
the lease area and gather additional information on other marine fauna. These surveys provided the baseline information on the abundance and distribution of birds and other marine fauna over the course of a year, as required for conducting impact assessments. The
dataset is comprised of observations and survey track line information collected from February 2019 to December 2019 inclusive (12 surveys in total).

Supplemental information

Each record represents 1 individual (except for Fish Shoals which is one entry per 1 shoal encompassing uncounted number of fish).

Locations of digital snapshots are available as a static point layer.




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.
All attributes are included in the downloadable file (CSV or ESRI File Geodatabase) for "Complete Set of Dataset".

Attributes in dataset

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
snagidUnique ID for target
surveySurvey identifier in format Equinor_YYYY MMM
datetakenDate image taken, in local time (EST) (displayed as dd/mm/yyyy)
timetakenTime image taken, in local time (EST) (hh:mm:ss)
idtype1st level of identification
idsubtype2nd level of identification Target group type if identified Unid. Type = Target has been reviewed and cannot be identified to a subtype
idspecies3rd level of identification Common Name if identified species unknown = Target has been reviewed and cannot be identified to species
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
obs_countNumber of animals (always 1) added by OBIS-SEAMAP
idconfidspConfidence level of ID: Definite Probable Possible blank = not rated
lengthcmGenerally, head-to-tail length in cm. This is NOT turtle carapace. Ignored for non-animal & fish shoal. NULL = not determined
wingspan_fWing span tip to tip in cm. 0 = wings are folded up/bird is sitting on surface. Applies to avian only
surfaceDepth rating. blank = not rated
headingdegDirection of target (degrees)
listedYes = Species/Species Group status is listed
parentimagImage name where target is located
latitudeLatitude in decimal degrees
longitudeLongitude in decimal degrees
sargassumSargassum is present in image with target. 1 = present; 0 = not present; blank = not evaluated
scientificScientific name if species is identified
familyFamily if species is identified
lineidSurvey line number
visibilityVisibility (greater than, km)
seastateSea State (mean values) 0 Calm (Glass) 1 Calm (Rippled) 2 Smooth 3 Slight 4 Moderate
glintGlint Percentage (highest %)
turbidityTurbidity (mean values) 0 Clear 1 Slightly Turbid 2 Moderately Turbid 3 Highly Turbid
precipduraPrecipitation duration in time (minutes)
cloudOkta scale (used for Nov-17 and Dec-17 - 0 to 8 with 0 denoting completely clear, and 8 denoting completely overcast) Clear = 0 Few = 1 to 2 Scattered = 3 to 4 Broken = 5 to 7 Overcast = 8 Clound Cover Percentage (used for Jan-18 to Oct-18 - highest %) 0-10% Clear 11-15% Scattered 51-94% Broken 95-100% Overcast
airtemp_cAir Temperature (┬░Celsius)
pressurePressure (hPA/inHg)
windspeedWind Speed (kts)
winddirectWind Direction (degrees or compass direction)
geomGeometry field added by OBIS-SEAMAP
Marine mammals201
Sea turtles68
Rays and sharks829
Other species802
Non spatial0
Non species8
Date, Begin2019-02-02
Date, End2019-12-20
Temporal prec.111111
Latitude40.16 - 40.42
Longitude-73.65 - -73.04
Coord. prec.4 decimal digits
Data typeAnimal sighting
EffortYES (ID: 2160)
Traveled (km)12,391
Effort hours57
Contr. through
Sharing policy CC-BY (All)
Also available in OBIS
GBIF (via DOI)
See metadata in static HTML
See metadata in FGDC XML
See download history / statistics