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Dataset Title:  Counts of Mysidacea species collected during the International Indian Ocean
Expeditions (IIOE) aboard multiple cruises in the Indian Ocean from 1962-
1965 (IIOE project)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_3815)
Range: longitude = 19.98 to 120.03°E, latitude = -40.9 to 24.77°N
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  vessel {
    String bcodmo_name "ship";
    String description "Ship designation.";
    String long_name "Vessel";
    String units "text";
  }
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 1962, 1965;
    String bcodmo_name "year";
    String description "Year of collection. in YYYY format.";
    String long_name "Year";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/";
    String units "unitless";
  }
  cruise {
    String bcodmo_name "cruiseid";
    String description "Cruise number of the particular vessel.";
    String long_name "Cruise";
    String units "text";
  }
  station {
    String bcodmo_name "station";
    String description "Station number.";
    String long_name "Station";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range -40.9, 24.77;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude of tow, North = positive.";
    String ioos_category "Location";
    String long_name "Latitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LATX/";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range 19.98, 120.03;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude tow, East = positive.";
    String ioos_category "Location";
    String long_name "Longitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LONX/";
    String standard_name "longitude";
    String units "degrees_east";
  }
  date_local {
    String bcodmo_name "date_local";
    String description "day/month/year of the sample collection, in dd/mm/YYYY format.";
    String long_name "Date Local";
    String source_name "date_local";
    String time_precision "1970-01-01";
    String units "unitless";
  }
  month_local {
    String bcodmo_name "month_local";
    String description "2-digit month (local) in mm (01 to 12) format.";
    String long_name "Month Local";
    String units "unitless";
  }
  day_local {
    String bcodmo_name "day_local";
    String description "2-digit day of month (local) in dd (01 to 31) format.";
    String long_name "Day Local";
    String units "unitless";
  }
  time_local {
    String bcodmo_name "time_local";
    String description "Local time, 24-hour clock in HHMM format";
    String long_name "Time Local";
    String units "unitless";
  }
  day_night_flag {
    String bcodmo_name "unknown";
    String description "D = Day; N = night";
    String long_name "Day Night Flag";
    String units "unitless";
  }
  depth_w {
    Int16 _FillValue 32767;
    Int16 actual_range 24, 6258;
    String bcodmo_name "depth_w";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Depth of water at the station.";
    String long_name "Depth";
    String standard_name "depth";
    String units "meters";
  }
  reference {
    String bcodmo_name "sample";
    String description "Master reference number of sample.";
    String long_name "Reference";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P02/current/ACYC/";
    String units "unitless";
  }
  ISO_DateTime_Local {
    String bcodmo_name "ISO_DateTime_Local";
    String description "Local date and time formatted to ISO8601 standard in YYYY-mm-ddTHH:MM:SS.ss format.";
    String long_name "ISO Date Time Local";
    String units "unitless";
  }
  species_WoRMS {
    String bcodmo_name "species";
    String description "Accepted taxonomic name according to the World Register of Marine Species (WoRMS) website.";
    String long_name "Species Wo RMS";
    String units "text";
  }
  species_orig {
    String bcodmo_name "species";
    String description "Original species name as recorded in Pillai (1973).";
    String long_name "Species Orig";
    String units "text";
  }
  count {
    String bcodmo_name "count";
    String description "Count of the number of individuals of the species.";
    String long_name "Count";
    String units "unitless";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"'During the IIOE, zooplankton collections were made between 25 degrees N and
45 degrees S latitude and 30 to 120 degrees E longitude. Sampling covered the
entire Indian Ocean, with better coverage north of 10 degrees S latitude.
Though 1927 samples were collected during IIOE, zooplankton data for 1548
standard hauls were considered to be comparable and these alone were utilized
for all publications. A standard haul is defined as an Indian Ocean Standard
net collection of zooplankton in the water column under 1 square meter.'
(Nair, 2005)
 
When the depth of the water exceeded 200 meters, the net was hauled from a
depth of 200 meters to the surface. In shallower waters, the net was operated
from the bottom to the surface. The material studied was collected during both
day and night. (Pillai, 1973)
 
'The samples were then to be preserved in 10% formalin neutralized with
hexamethylenetetramine...The samples would then be sent to the Sorting Centre
for further processing.' (Hansen, 1966)
 
References:  
Hansen, Vagn Kr., 1966. The Indian Ocean Biological Centre: The centre for
sorting plankton samples of the International Indian Ocean Expedition. Deep-
Sea Res., 13, pp.229-234.  
Nair, V.R., 2005. Database for zooplankton collected during International
Indian Ocean Expedition (IIOE) 1960-65. Cooperating project Report. Census of
Marine Zooplankton (CMarZ), Connecticut, USA.  
Pillai, N. K. 1973. Mysidacea of the Indian Ocean. Handbook to the
International Zooplankton Collections, curated and processed at the Indian
Ocean Biological Centre 4: 1-125.";
    String cdm_data_type "Other";
    String comment 
"Mysidacea species recorded during the International Indian Ocean  
  Expedition, 1962-65. 
 PI: Vijaya Nair 
 Version: 28 Dec 2012";
    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 2.3  19 Dec 2019";
    String date_created "2012-12-06T18:26:18Z";
    String date_modified "2019-11-01T14:22:13Z";
    String defaultDataQuery "&time<now";
    String doi "10.1575/1912/bco-dmo.3815.1";
    Float64 Easternmost_Easting 120.03;
    Float64 geospatial_lat_max 24.77;
    Float64 geospatial_lat_min -40.9;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 120.03;
    Float64 geospatial_lon_min 19.98;
    String geospatial_lon_units "degrees_east";
    String history 
"2021-12-07T02:10:17Z (local files)
2021-12-07T02:10:17Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_3815.das";
    String infoUrl "https://www.bco-dmo.org/dataset/3815";
    String institution "BCO-DMO";
    String instruments_0_acronym "I.O. Standard Net";
    String instruments_0_dataset_instrument_nid "5927";
    String instruments_0_description "The Indian Ocean Standard Net was designed specifically for the International Indian Ocean Exploration project.  The net has a mouth area of one square meter and a total length of 5 meters.  The net is made of nylon gauze with a mesh size of .333 mm (330um).";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L22/current/NETT0075/";
    String instruments_0_instrument_name "Indian Ocean Standard Net";
    String instruments_0_instrument_nid "584";
    String instruments_0_supplied_name "Indian Ocean Standard Net";
    String keywords "bco, bco-dmo, biological, chemical, count, cruise, data, dataset, date, day, day_local, day_night_flag, depth, depth_w, dmo, erddap, flag, iso, ISO_DateTime_Local, latitude, local, longitude, management, month, month_local, night, oceanography, office, orig, preliminary, reference, rms, species, species_orig, species_WoRMS, station, time, time_local, vessel, year";
    String license "https://www.bco-dmo.org/dataset/3815/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/3815";
    Float64 Northernmost_Northing 24.77;
    String param_mapping "{'3815': {'lat': 'master - latitude', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/3815/parameters";
    String people_0_affiliation "National Institute of Oceanography, Kochi, India";
    String people_0_affiliation_acronym "NIO";
    String people_0_person_name "Vijayalakshmi R. Nair";
    String people_0_person_nid "50974";
    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 BCO-DMO";
    String people_1_person_name "Shannon Rauch";
    String people_1_person_nid "51498";
    String people_1_role "BCO-DMO Data Manager";
    String people_1_role_type "related";
    String project "IIOE";
    String projects_0_acronym "IIOE";
    String projects_0_description 
"\"During IIOE 1548 standard zooplankton samples were collected covering the entire Indian Ocean. The database is prepared based on published information on these zooplankton samples. Three sets of Tables are made (1) Basic data on zooplankton volume, total population and all the 54 taxa found in the collections. (2) Data emerged from subsorting of copepods, decapods and fish larvae (3) Species level data for chaetognaths for entire Indian Ocean and ostracods for northern Indian Ocean.\" (from summary of CMarZ Cooperative Project final report)
CMarZ Cooperative Project: Database for Zooplankton collected during International Indian Ocean Expedition (IIOE) 1960-65";
    String projects_0_end_date "1965-01";
    String projects_0_geolocation "Indian Ocean";
    String projects_0_name "International Indian Ocean Expedition";
    String projects_0_project_nid "2065";
    String projects_0_start_date "1960-01";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -40.9;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Counts of Mysidacea species collected during the International Indian Ocean Expeditions (IIOE) in the Indian Ocean. Mysidacea were collected by several ships that took part in the IIOE from 1962 to 1965. Though collections were taken from all over the Indian Ocean, the bulk of the material comes from the seas around the Indian Peninsula.";
    String title "Counts of Mysidacea species collected during the International Indian Ocean Expeditions (IIOE) aboard multiple cruises in the Indian Ocean from 1962-1965 (IIOE project)";
    String version "1";
    Float64 Westernmost_Easting 19.98;
    String xml_source "osprey2erddap.update_xml() v1.3";
  }
}

 

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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