THREDDS Data Server

Catalog http://oceanwatch.pfeg.noaa.gov:8081/thredds/PaCOOS/GLOBEC/catalog.xml

Dataset: GLOBEC Data Server/GLOBEC Cetaceans RDBMS

• Data size: 56.5 Kbytes
• Data type: Station
• Naming Authority: gov.noaa.pfeg
• ID: GLOBEC_Cetaceans_data

Documentation:

• summary: Line-transect surveys of cetaceans were conducted during two cruises of the GLOBEC Northeast Pacific Northern California Current (NCC) program in 2000: May 29 -June 13 and July 27 - August 12. Surveys were conducted across the shelf and slope off Oregon and northern California (41.9 - 44.65 N) from the coast to ~125.5W. Surveys were conducted in passing mode while the R/V New Horizon was in transit between stations for hydrographic and zooplankton sampling. Observations were conducted from the flying bridge during daylight (~0600 to 2030) whenever sufficient visibility (i.e., > 2 nm) and weather (i.e., less than Beaufort 6) allowed. Two observers simultaneously surveyed to the horizon with 25 x 150 binoculars, equipped with compass and reticle. Each observer surveyed a 100 arc from 10 off the bow (opposite side) to 90 on their side of the ship. A third observer focused on the track-line by eye, aided with 7 x 50 hand-held binoculars. Sightings were entered immediately on a laptop computer connected to the ship's GPS system. Positions of all sightings were corrected to reflect the actual location of the cetaceans, rather than the ship's position. The height from the surface of the water to the eyes of observers on the 25 x 150 binoculars was 10.87 m.
• GLOBEC Cetaceans 2000 documentation
• GLOBEC Live Access Server

Access:

1. OPENDAP: http://oceanwatch.pfeg.noaa.gov/opendap/GLOBEC/GLOBEC_cetaceans

Variables:

• JGOFS/GLOBEC NEP vocabulary:
  • year = Year,N/A = Year (N/A)
  • cruise_id = Cruise identifier, e.g. NH0005,for R/V New Horizon, cruise 0005, N/A = Cruise ID (N/A)
  • month = months in which the survey was conducted,N/A = Month (N/A)
  • species_code = a two-digit identifier for a given cetacean species, N/A = Species code (N/A)
  • species = the scientific name for a given cetacean species, N/A = Species (N/A)
  • Common_name = the common name for a given cetacean species, N/A = Common Name (N/A)
  • lat = Latitude for the cetacean position (not the ship), decD = Latitude (decimal degrees North)
  • lon = Longitude for the cetacean position (not the ship), decD = Longitude (decimal degrees East)
  • month_local = month of the sighting, N/A = Month Local (N/A)
  • day_local = day of the sighting , N/A = Day Local (N/A)
  • Number = the best estimate of the number of animals in the sighting, N/A = Number of Animals (N/A)
  • effort_type = type of effort: 1 for sighting from 25 x 150 binoculars, 2 for sighting with 7 x 50 binoculars, or by eye, N/A = Type of Effort (N/A)

GeospatialCoverage:

• Longitude: -126.042 to -122.968 degrees_west
• Latitude: 37.917 to 44.685500000000005 degrees_north

TimeCoverage:

• Start: 2000-05-31 20:49:40Z
• End: 2000-08-12 02:55:11Z
• Duration: 72.253 days

Viewers:

• NetCDF-Java Tools (webstart)