Mid-Atlantic marine mammal visual survey in 2023

Whale Ecology Branch through Azura, Northeast Fisheries Science Center,
NOAA/NMFS

The North Atlantic Right Whale Sighting Survey (NARWSS) is a NOAA Fisheries
program which locates and records the seasonal distribution of right whales
off the northeastern United States.

not provided

This is a part of NEFSC Right Whale Aerial Survey
(https://seamap.env.duke.edu/dataset/513) conducted by Azura.

Overview

This section explains attributes included in the original dataset. The availability of the attributes depends on the share policy. When "Minimum attributes" is selected, only date/time, lat/lon, species identification and group size are available. Should you need other attributes described here, you are encouraged to contact the data provider. When "All attributes" is selected, all attributes are available in download.

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
oid	Unique ID number (generated by OBIS-SEAMAP)
id	Record ID
source	NEFSC
plane	Type of plane
date_local	Date of the sighting in local time zone
time_local	Time of the sighting in local time zone
event_number	Event number
flight_type	Survey type code. Code descriptions available upon request.
latitude	Latitude in decimal degrees
longitude	Longitude in decimal degrees
legtype	Survey line type code. Code descriptions available upon request.
legstage	Survey watch stage code. Code descriptions available upon request.
psb_legstage	Survey watch stage code. Code descriptions available upon request.
altitude	Altitude in feet
heading	Platform heading (degrees)
speed	Platform speed (knots)
sst_c	Sea surface temperature in celsius
beaufort	Beaufort sea state
visibilty_code	Visibility code (not recorded)
visibilty_nm	Visibility in nautical miles (not recorded)
cloud_code	Cloud code (0: Clear; 1: 1-25%; 2: 26-50%; 3: 51-75%; 4: 76-100%; 5: Overcast)
cloud_percent	Cloud cover as a percentage.
glare_l	Glare at the left side
glare_r	Glare at the right side
quality_l	Quality at the left side (Quality was only collected as an overall condition)
quality_r	Quality at the right side (Quality was only collected as an overall condition)
id_reliability	Reliability of species identification
sighting_number	Sighting number
spcode	Species code by provider
group_size	Group size
calves	The number of calves
bearing	Bearing
actual_heading	Actual heading in degrees
distance	Distance
relative_heading	Relative heading
observer	Observer initials
obs_position	Observer
angle	Declination angle (0-90 degrees) of sighting available upon provider persmission
cue	Sighting cue
b1_final_code	definition not provided
b2_final_code	definition not provided
b3_final_code	definition not provided
b4_final_code	definition not provided
b5_final_code	definition not provided
photos	Is a photo taken: yes=2 no=1
effort_comments	Comments on effort
sighting_comments	Comments on sighting
edit1	Changes made by the 1st editor
edit2	Changes made by the 2nd editor
edit3	Changes made by the 3rd editor
misc_edit1	definition not provided
misc_edit2	definition not provided
misc_edit3	definition not provided
misc_edit4	Changes made by an editor
rid	RID
sp_tsn	Taxonomic Serial Number added by OBIS-SEAMAP
geom	Geometry field added by OBIS-SEAMAP
timezone_h	Time zone (hours)