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Dataset Title:  CTD data collected during MOCNESS hauls from ARSV Laurence M. Gould and RVIB
Nathaniel B. Palmer cruises LMG0203, NBP0104,and NBP0204 in the Southern Ocean
from 2001-2002 (SOGLOBEC project)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_2388)
Range: longitude = -77.0803 to -64.1496°E, latitude = -69.7085 to 33.064°N, depth = -245.0 to 8511.0m
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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Things You Can Do With Your Graphs

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  datatype {
    String description "sampling method - instrument type, e.g. MOCNESS-1 or MOCNESS-10";
    String ioos_category "Unknown";
    String long_name "Datatype";
  }
  cruiseid {
    String description "cruise identification, e.g. NBP0202, for RVIB Palmer cruise 0202";
    String ioos_category "Unknown";
    String long_name "Cruiseid";
  }
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 2001, 2002;
    String description "year";
    String ioos_category "Time";
    String long_name "Year";
  }
  brief_desc {
    String description "brief cruise description, such as process or mooring";
    String ioos_category "Unknown";
    String long_name "Brief Desc";
  }
  tow {
    String description "tow number";
    String ioos_category "Unknown";
    String long_name "Tow";
  }
  day_gmt {
    String description "day of month, GMT, 1 - 31";
    String ioos_category "Time";
    String long_name "Day Gmt";
  }
  month_gmt {
    String description "month of year, GMT, 1 - 12";
    String ioos_category "Time";
    String long_name "Month Gmt";
  }
  station {
    String description "station number, from event log";
    String ioos_category "Identifier";
    String long_name "Station";
  }
  station_std {
    String description "standard station number, from event log";
    String ioos_category "Unknown";
    String long_name "Station Std";
  }
  yrday_gmt {
    Float64 _FillValue NaN;
    Float64 actual_range 103.827917, 255.027361;
    String description "year day as a decimal, based on Julian calendar, GMT";
    String ioos_category "Unknown";
    String long_name "Yrday Gmt";
    String units "YYY.Y";
  }
  time_gmt {
    String description "time, GMT using 24 hour clock to decimal minutes";
    String ioos_category "Time";
    String long_name "Time Gmt";
    String units "HHmm.m";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range -245.0, 8511.0;
    String axis "Z";
    String description "depth of observation or sample";
    String ioos_category "Location";
    String long_name "Press";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  temp {
    String description "temperature of water";
    String ioos_category "Temperature";
    String long_name "Temperature";
    String units "degrees C";
  }
  potemp {
    String description "potential temperature or theta1";
    String ioos_category "Unknown";
    String long_name "Potemp";
    String units "degrees C";
  }
  sal {
    String description "salinity calculated from conductivity, bad values are set to 50";
    String ioos_category "Unknown";
    String long_name "Sal";
  }
  sigma_0 {
    String description "potential density1";
    String ioos_category "Unknown";
    String long_name "Sigma 0";
    String units "kg/m3";
  }
  flvolt {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 8.318;
    String description "relative fluorescence (0-5 volts)";
    String ioos_category "Unknown";
    String long_name "Flvolt";
    String units "volts";
  }
  angle {
    String description "angle of net frame relative to vertical (0-89 degrees)";
    String ioos_category "Unknown";
    String long_name "Angle";
    String units "degrees";
  }
  flow {
    String description "consecutive flow counts";
    String ioos_category "Unknown";
    String long_name "Flow";
  }
  hzvel {
    String description "horizontal net velocity";
    String ioos_category "Unknown";
    String long_name "Hzvel";
    String units "m/min";
  }
  vtvel {
    String description "vertical net velocity";
    String ioos_category "Unknown";
    String long_name "Vtvel";
    String units "m/min";
  }
  vol_filt {
    String description "volume filtered";
    String ioos_category "Unknown";
    String long_name "Vol Filt";
    String units "meters�";
  }
  trans_v {
    String description "transmissometry or light transmission, (0-5 volts)";
    String ioos_category "Unknown";
    String long_name "Trans V";
    String units "volts";
  }
  o2 {
    String description "dissolved oxygen";
    String ioos_category "Dissolved O2";
    String long_name "O2";
    String units "ml/liter";
  }
  lite {
    Float64 _FillValue NaN;
    String description "down welling light";
    String ioos_category "Unknown";
    String long_name "Lite";
    String units "volts";
  }
  net {
    String description "MOCNESS net number, (00-08)";
    String ioos_category "Unknown";
    String long_name "Net";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range -69.7085, 33.064;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "latitude, negative = South";
    String ioos_category "Location";
    String long_name "Latitude";
    Float64 missing_value -999.0;
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -77.0803, -64.1496;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "longitude, negative = West";
    String ioos_category "Location";
    String long_name "Longitude";
    Float64 missing_value -999.0;
    String standard_name "longitude";
    String units "degrees_east";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The
particular MOCNESS system from which these CTD data came is one of two net
systems. The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) which are opened
and closed sequentially by commands through conducting cable from the surface
(Wiebe et al., 1976). The MOCNESS-10 (with 10 m2 nets)carries 6 nets of 3.0-mm
circular mesh. In both 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... Temperature (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 flow meter 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, data were
collected from four other sensors attached to the frame: the Transmissometer,
the Fluorometer, the Down welling light sensor, and the Oxygen sensor. A
SeaBird underwater pump was also included in the sensor suite.";
    String awards_0_award_nid "54617";
    String awards_0_award_number "unknown SOGLOBEC NSF ANT";
    String awards_0_funder_name "NSF Antarctic Sciences";
    String awards_0_funding_acronym "NSF ANT";
    String awards_0_funding_source_nid "369";
    String cdm_data_type "Other";
    String comment 
"Displayed by /data/rgroman/ctd_so_mocness/mocpro_level1.pl, V2.07so/October 3, 2001 
   For MOC1 data, with filetype=pro 
 Displayed by /data/rgroman/ctd_so_mocness/mocpro_level2.pl, V2.13so/May 17, 2004 
   For /data12/sodata/lmg0104/moc, MOC1, pro, LMG0104, 2001 
 Displayed by /data/rgroman/ctd_so_mocness/mocpro_level3.pl, V1.51/January 28, 2000 
    Using data file /data12/sodata/lmg0104/moc/M01_01.PRO 
  Tow: M-01-001   LMG0104 
  Date: 01 May 2001 
  Temperature Probe #  2686  Conductivity Probe #  2250 
  Pressure Probe #  149 Oxygen Probe #  1 
  Transmissometer #   439 Fluorometer #  1";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_type "institution";
    String creator_url "https://www.bco-dmo.org/";
    String data_source "extract_data_as_tsv version 2.2d  13 Jun 2019";
    String date_created "2009-11-25T16:56:52Z";
    String date_modified "2019-03-06T18:39:29Z";
    String defaultDataQuery "&time";
    String doi "10.1575/1912/bco-dmo.2388.1";
    Float64 Easternmost_Easting -64.1496;
    Float64 geospatial_lat_max 33.064;
    Float64 geospatial_lat_min -69.7085;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -64.1496;
    Float64 geospatial_lon_min -77.0803;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 8511.0;
    Float64 geospatial_vertical_min -245.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2019-06-25T10:21:26Z (local files)
2019-06-25T10:21:26Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_2388.das";
    String infoUrl "https://www.bco-dmo.org/dataset/2388";
    String institution "BCO-DMO";
    String instruments_0_acronym "MOC1";
    String instruments_0_dataset_instrument_description "The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of two net systems. The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) which are opened and closed sequentially by commands through conducting cable from the surface (Wiebe et al., 1976).";
    String instruments_0_dataset_instrument_nid "4152";
    String instruments_0_description "The Multiple Opening/Closing Net and Environmental Sensing System or MOCNESS is a family of net systems based on the Tucker Trawl principle. The MOCNESS-1 carries nine 1-m2 nets usually of 335 micrometer mesh and is intended for use with the macrozooplankton.  All nets are black to reduce contrast with the background.  A motor/toggle release assembly is mounted on the top portion of the frame and stainless steel cables with swaged fittings are used to attach the net bar to the toggle release.  A stepping motor in a pressure compensated case filled with oil turns the escapement crankshaft of the toggle release which sequentially releases the nets to an open then closed position on command from the surface. -- from the MOCNESS Operations Manual (1999 + 2003).";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L22/current/NETT0097/";
    String instruments_0_instrument_name "MOCNESS1";
    String instruments_0_instrument_nid "437";
    String instruments_0_supplied_name "MOCNESS1";
    String instruments_1_acronym "MOC10";
    String instruments_1_dataset_instrument_description "The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of two net systems. The MOCNESS-10 (with 10 m2 nets)carries 6 nets of 3.0-mm circular mesh. In both 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... Temperature (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 flow meter 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)";
    String instruments_1_dataset_instrument_nid "4153";
    String instruments_1_description "The Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS) is based on the Tucker Trawl principle (Tucker, 1951).  The MOCNESS-10 (with 10 m^2 nets) carries 6 nets of 3.0-mm circular mesh which are opened and closed sequentially by commands through conducting cable from the surface (Wiebe et al., 1976). In this system, \"the underwater unit sends a data frame, comprising 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\" (Wiebe et al., 1985).";
    String instruments_1_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L22/current/NETT0097/";
    String instruments_1_instrument_name "MOCNESS10";
    String instruments_1_instrument_nid "438";
    String instruments_1_supplied_name "MOCNESS10";
    String keywords "altimetry, angle, bco, bco-dmo, biological, brief, brief_desc, chemical, cruiseid, data, dataset, datatype, day, day_gmt, depth, desc, dissolved, dissolved o2, dmo, erddap, filt, flow, flvolt, hzvel, identifier, laboratory, latitude, lite, longitude, management, month, month_gmt, net, O2, oceanography, office, oxygen, potemp, preliminary, press, profiler, sal, salinity, salinity-temperature-depth, satellite, sigma, sigma_0, station, station_std, std, temperature, time, time_gmt, tow, trans, trans_v, v, vol, vol_filt, vtvel, year, yrday, yrday_gmt";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String metadata_source "https://www.bco-dmo.org/api/dataset/2388";
    Float64 Northernmost_Northing 33.064;
    String param_mapping "{'2388': {'lat': 'master - latitude', 'press': 'flag - depth', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/2388/parameters";
    String people_0_affiliation "University of South Florida";
    String people_0_affiliation_acronym "USF";
    String people_0_person_name "Dr Joseph  J. Torres";
    String people_0_person_nid "50487";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "Woods Hole Oceanographic Institution";
    String people_1_affiliation_acronym "WHOI";
    String people_1_person_name "Dr Peter H. Wiebe";
    String people_1_person_nid "50454";
    String people_1_role "Principal Investigator";
    String people_1_role_type "originator";
    String people_2_affiliation "Woods Hole Oceanographic Institution";
    String people_2_affiliation_acronym "WHOI";
    String people_2_person_name "Nancy Copley";
    String people_2_person_nid "50396";
    String people_2_role "Technician";
    String people_2_role_type "related";
    String people_3_affiliation "Woods Hole Oceanographic Institution";
    String people_3_affiliation_acronym "WHOI BCO-DMO";
    String people_3_person_name "Ms Dicky Allison";
    String people_3_person_nid "50382";
    String people_3_role "BCO-DMO Data Manager";
    String people_3_role_type "related";
    String project "U.S. GLOBEC Southern Ocean";
    String projects_0_acronym "SOGLOBEC";
    String projects_0_description "The fundamental objectives of United States Global Ocean Ecosystems Dynamics (U.S. GLOBEC) Program are dependent upon the cooperation of scientists from several disciplines. Physicists, biologists, and chemists must make use of data collected during U.S. GLOBEC field programs to further our understanding of the interplay of physics, biology, and chemistry. Our objectives require quantitative analysis of interdisciplinary data sets and, therefore, data must be exchanged between researchers. To extract the full scientific value, data must be made available to the scientific community on a timely basis.";
    String projects_0_geolocation "Southern Ocean";
    String projects_0_name "U.S. GLOBEC Southern Ocean";
    String projects_0_project_nid "2039";
    String projects_0_project_website "http://www.ccpo.odu.edu/Research/globec_menu.html";
    String projects_0_start_date "2001-01";
    String publisher_name "Ms Dicky Allison";
    String publisher_role "BCO-DMO Data Manager(s)";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -69.7085;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "lite";
    String summary "CTD data collected during MOCNESS hauls from ARSV Laurence M. Gould and RVIB Nathaniel B. Palmer cruises LMG0203, NBP0104,and NBP0204 in the Southern Ocean from 2001-2002 (SOGLOBEC project)";
    String title "CTD data collected during MOCNESS hauls from ARSV Laurence M. Gould and RVIB Nathaniel B. Palmer cruises LMG0203, NBP0104,and NBP0204 in the Southern Ocean from 2001-2002 (SOGLOBEC project)";
    String version "1";
    Float64 Westernmost_Easting -77.0803;
    String xml_source "osprey2erddap.update_xml() v1.5-beta";
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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