ERDDAP > tabledap > Data Access Form

Dataset Title:	Vertical Plankton Tow (VPT) data from 1997 - 2003 from multiple cruises from the Northeast Pacific, California Current System (NEP project)
Institution:	BCO-DMO   (Dataset ID: bcodmo_dataset_2453)
Information:	Summary | License | ISO 19115 | Metadata | Background | Subset | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum    or a List of Values	Maximum
cruise_id (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"AR9807"	"W9911A"
year (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1997	2003
program (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"LTOP"	"NH"
cast (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	180
station (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"7A-2"	"ZZ09"
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		38.29	44.65
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-126.19	-123.44
depth_w (Depth, meters)	!= =~ <= >= = < >		!= =~ <= >= = < >		30	3400
sample_id (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1
min_sample_depth (meters)	!= =~ <= >= = < >		!= =~ <= >= = < >		0
depth (Max Sample Depth, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		25.0	100.0
month_local (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"01"	"12"
day_local (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"01"	"31"
time_local (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"0000"	"NaN"
d_n_flag (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"DAY"	"NaN"
gear_type (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"VPT"
gear_area_m2 (m^2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.19635
gear_mesh (mm)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.202
vol_filt (meters^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		2.25	205.0
counter_id (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"JEK"	"WTP"
comments (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"*flow_meter_from_r..."	"used_regression_to..."
perc_counted (0-100%)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.11	102.19
nodc_code (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"12040501"	"9999999999"
species (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"2-SPINE_DECAPODA"	"XANTHIDAE"
life_stage (dimensionless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"1_CI"	"small_Nauplii"
abund (individuals per meter^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	13007.89

 

Server-side Functions

distinct()

orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean (" cruise_id year program cast station latitude longitude depth_w sample_id min_sample_depth depth month_local day_local time_local d_n_flag gear_type gear_area_m2 gear_mesh vol_filt counter_id comments perc_counted nodc_code species life_stage abund cruise_id year program cast station latitude longitude depth_w sample_id min_sample_depth depth month_local day_local time_local d_n_flag gear_type gear_area_m2 gear_mesh vol_filt counter_id comments perc_counted nodc_code species life_stage abund cruise_id year program cast station latitude longitude depth_w sample_id min_sample_depth depth month_local day_local time_local d_n_flag gear_type gear_area_m2 gear_mesh vol_filt counter_id comments perc_counted nodc_code species life_stage abund cruise_id year program cast station latitude longitude depth_w sample_id min_sample_depth depth month_local day_local time_local d_n_flag gear_type gear_area_m2 gear_mesh vol_filt counter_id comments perc_counted nodc_code species life_stage abund cruise_id year program cast station latitude longitude depth_w sample_id min_sample_depth depth month_local day_local time_local d_n_flag gear_type gear_area_m2 gear_mesh vol_filt counter_id comments perc_counted nodc_code species life_stage abund ")

File type: (more info) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .graph - View a Make A Graph web page. .help - View a web page with a description of tabledap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each response column becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .subset - View an HTML form which uses faceted search to simplify picking subsets of the data. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .kml - View a .kml file, suitable for Google Earth. .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  cruise_id {
    String bcodmo_name "cruiseid";
    String description "Cruise ID";
    String long_name "Cruise Id";
    String units "dimensionless";
  }
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 1997, 2003;
    String bcodmo_name "year";
    String description "Year";
    String long_name "Year";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/";
    String units "dimensionless";
  }
  program {
    String bcodmo_name "brief_desc";
    String description "See codes in table above (under 'Dataset Description').";
    String long_name "Program";
    String units "dimensionless";
  }
  cast {
    Int16 _FillValue 32767;
    Int16 actual_range 1, 180;
    String bcodmo_name "cast";
    String description "Cast number within the cruise.";
    String long_name "Cast";
    String units "dimensionless";
  }
  station {
    String bcodmo_name "station_std";
    String description "Standard Station Name.";
    String long_name "Station";
    String units "dimensionless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 38.29, 44.65;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude (decimal degrees North).";
    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 -126.19, -123.44;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude (decimal degrees East).";
    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";
  }
  depth_w {
    Int16 _FillValue 32767;
    Int16 actual_range 30, 3400;
    String bcodmo_name "depth_w";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Bottom depth at station location (in meters).";
    String long_name "Depth";
    String standard_name "depth";
    String units "meters";
  }
  sample_id {
    Byte _FillValue 127;
    Byte actual_range 1, 1;
    String bcodmo_name "sample";
    String description "Always '1' for VPT casts, which have a single net only.";
    String long_name "Sample Id";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P02/current/ACYC/";
    String units "dimensionless";
  }
  min_sample_depth {
    Byte _FillValue 127;
    Byte actual_range 0, 0;
    String bcodmo_name "depth_min";
    String description "Always '0' for vertical tows (meters).";
    String long_name "Min Sample Depth";
    String units "meters";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 25.0, 100.0;
    String axis "Z";
    String bcodmo_name "depth_max";
    String description "Maximum depth of vertical tow (meters);estimated from wire out and wire angle.";
    String ioos_category "Location";
    String long_name "Max Sample Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  month_local {
    String bcodmo_name "month_local";
    String description "Month (local time).";
    String long_name "Month Local";
    String units "dimensionless";
  }
  day_local {
    String bcodmo_name "day_local";
    String description "Day (local time).";
    String long_name "Day Local";
    String units "dimensionless";
  }
  time_local {
    String bcodmo_name "time_local";
    String description "Time (local); 24 hour clock (HHMM).";
    String long_name "Time Local";
    String units "dimensionless";
  }
  d_n_flag {
    String bcodmo_name "time_of_day";
    String description "'DAY' or 'NIGHT' if flagged; many sampleswere not flagged";
    String long_name "D N Flag";
    String units "dimensionless";
  }
  gear_type {
    String bcodmo_name "instrument";
    String description "Name of instrument; 'VPT' for this gear.";
    String long_name "Gear Type";
    String units "dimensionless";
  }
  gear_area_m2 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.19635, 0.19635;
    String bcodmo_name "unknown";
    String description "Mouth area of net (square meters).";
    String long_name "Gear Area M2";
    String units "m^2";
  }
  gear_mesh {
    Float32 _FillValue NaN;
    Float32 actual_range 0.202, 0.202;
    String bcodmo_name "net_mesh";
    String description "Size of mesh of net (mm).";
    String long_name "Gear Mesh";
    String units "mm";
  }
  vol_filt {
    Float32 _FillValue NaN;
    Float32 actual_range 2.25, 205.0;
    String bcodmo_name "vol_filt";
    String description "Volume filtered (cubic meters).";
    String long_name "Vol Filt";
    String units "meters^3";
  }
  counter_id {
    String bcodmo_name "unknown";
    String description "Initials of Plankton Taxonomist.";
    String long_name "Counter Id";
    String units "dimensionless";
  }
  comments {
    String bcodmo_name "comment";
    String description "Misc. comments pertaining to sample.";
    String long_name "Comments";
    String units "dimensionless";
  }
  perc_counted {
    Float32 _FillValue NaN;
    Float32 actual_range 0.11, 102.19;
    String bcodmo_name "unknown";
    String description "Percentage of sample evaluated for this taxon (0-100%).";
    String long_name "Perc Counted";
    String units "0-100%";
  }
  nodc_code {
    String bcodmo_name "taxon_code";
    String description "Standard NODC taxonomic code.";
    String long_name "Nodc Code";
    String units "dimensionless";
  }
  species {
    String bcodmo_name "taxon";
    String description "Genus and species.";
    String long_name "Species";
    String units "dimensionless";
  }
  life_stage {
    String bcodmo_name "stage";
    String description "Life Stage info (see Life Stage Codes table above under 'Dataset Description').";
    String long_name "Life Stage";
    String units "dimensionless";
  }
  abund {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 13007.89;
    String bcodmo_name "abundance";
    String description "Density (individuals per cubic meter).";
    String long_name "Abund";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P03/current/B070/";
    String units "individuals per meter^3";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"\\\"Zooplankton were collected using a 0.5 meter diameter, 202 micron mesh net
towed verticaly from within 5 meters of the bottom (to a maximum depth of 100
m) to the surface at a rate of 30 meters per minute. A TSK flowmeter was used
to monitor the amount of water filtered. The samples were preserved in a 5%
buffered formalin/seawater solution.\\\" (W.T. Peterson, et al., 2002 p. 392)";
    String awards_0_award_nid "54872";
    String awards_0_award_number "OCE-0000733";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0000733";
    String awards_0_funder_name "NSF Division of Ocean Sciences";
    String awards_0_funding_acronym "NSF OCE";
    String awards_0_funding_source_nid "355";
    String awards_0_program_manager "Phillip R. Taylor";
    String awards_0_program_manager_nid "50451";
    String awards_1_award_nid "54968";
    String awards_1_award_number "OCE-9732386";
    String awards_1_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=9732386";
    String awards_1_funder_name "NSF Division of Ocean Sciences";
    String awards_1_funding_acronym "NSF OCE";
    String awards_1_funding_source_nid "355";
    String awards_1_program_manager "Phillip R. Taylor";
    String awards_1_program_manager_nid "50451";
    String awards_2_award_nid "55046";
    String awards_2_award_number "NA67RJ0151 (NEP)";
    String awards_2_funder_name "National Oceanic and Atmospheric Administration";
    String awards_2_funding_acronym "NOAA";
    String awards_2_funding_source_nid "352";
    String awards_3_award_nid "55047";
    String awards_3_award_number "NA86OP0589 (NEP)";
    String awards_3_funder_name "National Oceanic and Atmospheric Administration";
    String awards_3_funding_acronym "NOAA";
    String awards_3_funding_source_nid "352";
    String cdm_data_type "Other";
    String comment 
"NEP-CCS VPT data collected by Bill Peterson (bill.peterson@noaa.gov) 
    file created with clean_revise_peterson_vpt5.pl v0.92 
    created Tue, 16 Aug 2005 by Hal Batchelder";
    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 "2010-08-18T20:02:04Z";
    String date_modified "2019-02-18T18:01:08Z";
    String defaultDataQuery "&time<now";
    String doi "10.1575/1912/bco-dmo.2453.1";
    Float64 Easternmost_Easting -123.44;
    Float64 geospatial_lat_max 44.65;
    Float64 geospatial_lat_min 38.29;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -123.44;
    Float64 geospatial_lon_min -126.19;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 100.0;
    Float64 geospatial_vertical_min 25.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-04-25T17:52:55Z (local files)
2024-04-25T17:52:55Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_2453.html";
    String infoUrl "https://www.bco-dmo.org/dataset/2453";
    String institution "BCO-DMO";
    String instruments_0_acronym "Meter Net";
    String instruments_0_dataset_instrument_description "This instrument is a variation on the Meter Net in that it is 0.5 m in diameter (1/2 meter) with a mesh of 202 microns.";
    String instruments_0_dataset_instrument_nid "5417";
    String instruments_0_description "A meter net is a plankton net with a one meter diameter opening and a mesh size of .333 mm, towed horizontally, obliquely or vertically, also known as a Ring Net.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/22/";
    String instruments_0_instrument_name "Meter Net";
    String instruments_0_instrument_nid "433";
    String instruments_0_supplied_name "Meter Net";
    String keywords "abund, area, bco, bco-dmo, biological, cast, center, chemical, code, comments, counted, counter, counter_id, cruise, cruise_id, d_n_flag, data, dataset, day, day_local, depth, depth_w, dmo, erddap, filt, flag, gear, gear_area_m2, gear_mesh, gear_type, latitude, life, life_stage, local, longitude, management, max, max_sample_depth, mesh, min, min_sample_depth, month, month_local, national, ncei, nesdis, noaa, nodc, nodc_code, oceanographic, oceanography, office, perc, perc_counted, preliminary, program, sample, sample_id, species, stage, station, time, time_local, type, vol, vol_filt, year";
    String license "https://www.bco-dmo.org/dataset/2453/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/2453";
    Float64 Northernmost_Northing 44.65;
    String param_mapping "{'2453': {'lat': 'master - latitude', 'max_sample_depth': 'flag - depth', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/2453/parameters";
    String people_0_affiliation "Northwest Fisheries Science Center - Newport";
    String people_0_affiliation_acronym "NOAA NWFSC";
    String people_0_person_name "Dr William  T. Peterson";
    String people_0_person_nid "50438";
    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 "Nancy Copley";
    String people_1_person_nid "50396";
    String people_1_role "BCO-DMO Data Manager";
    String people_1_role_type "related";
    String project "NEP";
    String projects_0_acronym "NEP";
    String projects_0_description 
"Program in a Nutshell
Goal:  To understand the effects of climate variability and climate change on the distribution, abundance and production of marine animals (including commercially important living marine resources) in the eastern North Pacific. To embody this understanding in diagnostic and prognostic ecosystem models, capable of capturing the ecosystem response to major climatic fluctuations.
Approach: To study the effects of past and present climate variability on the population ecology and population dynamics of marine biota and living marine resources, and to use this information as a proxy for how the ecosystems of the eastern North Pacific may respond to future global climate change. The strong temporal variability in the physical and biological signals of the NEP will be used to examine the biophysical mechanisms through which zooplankton and salmon populations respond to physical forcing and biological interactions in the coastal regions of the two gyres. Annual and interannual variability will be studied directly through long-term observations and detailed process studies; variability at longer time scales will be examined through retrospective analysis of directly measured and proxy data. Coupled biophysical models of the ecosystems of these regions will be developed and tested using the process studies and data collected from the long-term observation programs, then further tested and improved by hindcasting selected retrospective data series.";
    String projects_0_geolocation "Northeast Pacific Ocean, Gulf of Alaska";
    String projects_0_name "U.S. GLOBEC Northeast Pacific";
    String projects_0_project_nid "2038";
    String projects_0_project_website "http://nepglobec.bco-dmo.org";
    String projects_0_start_date "1997-01";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 38.29;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "sample_id,min_sample_depth,gear_type,gear_area_m2,gear_mesh";
    String summary "Vertical Plankton Tow (VPT) data from 1997 - 2003 from multiple cruises from the Northeast Pacific, California Current System";
    String title "Vertical Plankton Tow (VPT) data from 1997 - 2003 from multiple cruises from the Northeast Pacific, California Current System (NEP project)";
    String version "1";
    Float64 Westernmost_Easting -126.19;
    String xml_source "osprey2erddap.update_xml() v1.3";
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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