THREDDS Data Server

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

Dataset: GLOBEC Data Server/GLOBEC MOC1 RDBMS

• Data format: RDBMS
• Data size: 721.0 Kbytes
• Data type: Station
• Naming Authority: gov.noaa.pfeg
• ID: GLOBEC_MOC1_data

Documentation:

• rights: Freely available
• summary: The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) which are opened and closed seq uentially by commands through conducting cable from the surface (Wiebe et al., 1976). In MOCNESS systems, "the underwater unit sends a data frame, comprised of temperature, depth, conductivity, net-frame angle, flow count, time, number of open net, and net opening/closing, to the deck unit in a compressed hexadecimal format every 2 seconds and from the deck unit to a microcomputer every 4 seconds... Temperatu re (to approximately 0.01 deg C) and conductivity are measured with SEABIRD sensors . Normally, a modified T.S.K.-flowmeter is used... Both the temperature and conductivity sensors and the flowmeter are mounted on top of the frame so that they face horizontally when the frame is at a towing angle of 45deg... Calculations of salinity (to approximately 0.01 o/oo S), potential temperature (theta), potential density (sigma), the oblique and vertical velocities of the net, and the approximate volume filtered by each net are made after each string of data has been received by the computer." (Wiebe et al., 1985) In addition, depending on the particular configuration of the MOCNESS-1, data may have been collected from other sensors attached to the frame : (Transmissometer, Fluorometer, Downwelling light sensor, and the Oxygen sensor). A SeaBird underwater pump was also included in the sensor suit e. After retrieval to deck, the contents of the nets were rinsed into the codends a nd transferred to storage bottles, and fixed and preserved with formalin. In the shore laboratory, the contents of the bottles were subsampled and counts and biomass estimates made for selected taxa (see the Proc_Protocol info below). This data object reports only the count information.
• GLOBEC MOC1 documentation
• GLOBEC Live Access Server

Access:

1. OPENDAP: http://oceanwatch.pfeg.noaa.gov/opendap/GLOBEC/GLOBEC_MOC1

Creators:

• NOAA/NMFS/NWFSC/Dr. Bill Peterson
  • email:
  • http://www.nwfsc.noaa.gov/research/staff/display_staffprofile.cfm?staffid=657

Publishers:

• NOAA/ERD
  • email: jerome.king@noaa.gov
  • http://www.pfeg.noaa.gov/

Variables:

• JGOFS/GLOBEC NEP vocabulary:
  • date = Date, YYYY-MM-DD = Date (YYYY-MM-DD)
  • program = Program, N/A = Program (N/A)
  • cruise_id = Cruise ID, N/A = Cruise ID (N/A)
  • cast_no = Cast Number within the cruise, N/A = Cast Number (N/A)
  • stn_id = Standard station name, N/A = Station ID (N/A)
  • lat = Latitude, decD = Latitude (decimal degrees North)
  • lon = Longitude, decD = Longitude (decimal degrees East)
  • water_depth = Bottom depth at station location, m = Water Depth (meters)
  • sample_id = The net number, ranges from 1-8, N/A = Sample ID (N/A)
  • min_sample_depth = Minimum depth of a single net sample, m = Minimum Sample Depth (meters)
  • max_sample_depth = Maximum depth of a single net sample, m = Maximum Sample Depth (meters)
  • month_local = Month Local, N/A = Month Local (N/A)
  • day_local = Day Local, N/A = Day Local (N/A)
  • time_local = Time Local, N/A = Time Local (N/A)
  • d_n_flag = Day/Night Flag, N/A = Day/Night Flag (N/A)
  • gear_type = "MOCNESS" for this gear, N/A = Gear Type (N/A)
  • gear_area_m2 = Mouth Area of net, m2 = Gear Area (m2)
  • gear_mesh = Mesh of Net, mm = Gear Mesh (millimeter)
  • vol_filt = Volume Filtered, m3 = Volume Filtered (m3)
  • counter_id = Counter ID, N/A = Counter ID (Initials of Plankton Taxonomist)
  • comments = Comments, N/A = Comments (N/A)
  • perc_counted = Percentage Counted, % = Percentage Counted (percent)
  • local_code = Local Code, N/A = Local Code (N/A)
  • nodc_code = NODC Code, N/A = NODC Code (N/A)
  • genus_species = Genus Species, N/A = Genus Species (N/A)
  • life_stage = Life Stage, N/A = Life Stage (N/A)
  • abund_m3 = Abundance, m3 = abundance (m3)

GeospatialCoverage:

• Longitude: -125.117 to -124.17500000000001 degrees_west
• Latitude: 42.4733 to 44.651700000000005 degrees_north

TimeCoverage:

• Start: 2000-04-12 04:00:00Z
• End: 2002-05-30 15:22:00Z
• Duration: 25.576 months

Viewers:

• NetCDF-Java Tools (webstart)