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Dataset Title:  Pore water chemical concentration data and location from push cores collected
by the ROV Jason II on dive J2-773 from cruise MSM37 on R/V Maria S. Merian
from March to April 2014
  RSS
Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_764875)
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 Core (unitless) ?              
 depth (m) ?          2.0    22.0
  < slider >
 pH (unitless (pH scale)) ?          7.64    7.92
 alkalinity (millimoles per kilogram (mmol/kg)) ?          2.05    2.32
 Nitrate (micromoles per kilogram (umol/kg)) ?          20.7    26.3
 Chlorinity (millimoles per kilogram (mmol/kg)) ?          542.1    549.9
 Ca (millimoles per kilogram (mmol/kg)) ?          9.56    10.17
 B (micromoles per kilogram (umol/kg)) ?          413    536
 Mn (micromoles per kilogram (umol/kg)) ?              
 Fe (micromoles per kilogram (umol/kg)) ?              
 Si (micromoles per kilogram (umol/kg)) ?          55    114
 Sr (micromoles per kilogram (umol/kg)) ?          84.0    90.5
 Li (micromoles per kilogram (umol/kg)) ?          26.5    31.1
 S (millimoles per kilogram (mmol/kg)) ?          26.8    27.9
 Na (millimoles per kilogram (mmol/kg)) ?          457    464
 Mg (millimoles per kilogram (mmol/kg)) ?          50.7    52.3
 K (millimoles per kilogram (mmol/kg)) ?          9.94    10.7
 V (nanomoles per kilogram (nmol/kg)) ?          35.8    77.7
 Rb (micromoles per kilogram (umol/kg)) ?          1.34    1.76
 Mo (nanomoles per kilogram (nmol/kg)) ?          110    128
 Cs (nanomoles per kilogram (nmol/kg)) ?          2.14    4.68
 Ba (nanomoles per kilogram (nmol/kg)) ?          78    248
 U (nanomoles per kilogram (nmol/kg)) ?          9.58    14.7
 latitude (degrees_north) ?          22.8204    22.82078
  < slider >
 longitude (degrees_east) ?          -46.11083    -46.11082
  < slider >
 Notes (unitless) ?              
 
Server-side Functions ?
 distinct() ?
? (" ")

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Core {
    String description "Core identification number";
    String ioos_category "Unknown";
    String long_name "Core";
    String units "unitless";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 2.0, 22.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Depth below seafloor, in centimeters";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  pH {
    Float32 _FillValue NaN;
    Float32 actual_range 7.64, 7.92;
    Float64 colorBarMaximum 9.0;
    Float64 colorBarMinimum 7.0;
    String description "pH; measured by electrode";
    String ioos_category "Salinity";
    String long_name "Sea Water Ph Reported On Total Scale";
    String units "unitless (pH scale)";
  }
  alkalinity {
    Float32 _FillValue NaN;
    Float32 actual_range 2.05, 2.32;
    String description "Alkalinity; measured by titration";
    String ioos_category "CO2";
    String long_name "Alkalinity";
    String units "millimoles per kilogram (mmol/kg)";
  }
  Nitrate {
    Float32 _FillValue NaN;
    Float32 actual_range 20.7, 26.3;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String description "Nitrate concentration; measured colorimetrically";
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Nitrate In Sea Water";
    String units "micromoles per kilogram (umol/kg)";
  }
  Chlorinity {
    Float32 _FillValue NaN;
    Float32 actual_range 542.1, 549.9;
    String description "Chlorinity; measured by titration";
    String ioos_category "Ocean Color";
    String long_name "Chlorinity";
    String units "millimoles per kilogram (mmol/kg)";
  }
  Ca {
    Float32 _FillValue NaN;
    Float32 actual_range 9.56, 10.17;
    String description "Calcium (Ca) concentration; measured by titration";
    String ioos_category "Unknown";
    String long_name "Ca";
    String units "millimoles per kilogram (mmol/kg)";
  }
  B {
    Int16 _FillValue 32767;
    Int16 actual_range 413, 536;
    String description "Boron (B) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "B";
    String units "micromoles per kilogram (umol/kg)";
  }
  Mn {
    String description "Manganese (Mn) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "MN";
    String units "micromoles per kilogram (umol/kg)";
  }
  Fe {
    String description "Iron (Fe) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "Fe";
    String units "micromoles per kilogram (umol/kg)";
  }
  Si {
    Byte _FillValue 127;
    Byte actual_range 55, 114;
    String description "Silicon (Si) concentration; measured by ICP-OES";
    String ioos_category "Dissolved Nutrients";
    String long_name "Mass Concentration Of Silicate In Sea Water";
    String units "micromoles per kilogram (umol/kg)";
  }
  Sr {
    Float32 _FillValue NaN;
    Float32 actual_range 84.0, 90.5;
    String description "Strontium (Sr) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "SR";
    String units "micromoles per kilogram (umol/kg)";
  }
  Li {
    Float32 _FillValue NaN;
    Float32 actual_range 26.5, 31.1;
    String description "Lithium (Li) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "Li";
    String units "micromoles per kilogram (umol/kg)";
  }
  S {
    Float32 _FillValue NaN;
    Float32 actual_range 26.8, 27.9;
    String description "Sulfur (S) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "S";
    String units "millimoles per kilogram (mmol/kg)";
  }
  Na {
    Int16 _FillValue 32767;
    Int16 actual_range 457, 464;
    String description "Sodium (Na) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String units "millimoles per kilogram (mmol/kg)";
  }
  Mg {
    Float32 _FillValue NaN;
    Float32 actual_range 50.7, 52.3;
    String description "Magnesium (Mg) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "MG";
    String units "millimoles per kilogram (mmol/kg)";
  }
  K {
    Float32 _FillValue NaN;
    Float32 actual_range 9.94, 10.7;
    String description "Potassium (K) concentration; measured by ICP-OES";
    String ioos_category "Unknown";
    String long_name "K";
    String units "millimoles per kilogram (mmol/kg)";
  }
  V {
    Float32 _FillValue NaN;
    Float32 actual_range 35.8, 77.7;
    String description "Vanadium (V) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "V";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  Rb {
    Float32 _FillValue NaN;
    Float32 actual_range 1.34, 1.76;
    String description "Rubidium (Rb) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "RB";
    String units "micromoles per kilogram (umol/kg)";
  }
  Mo {
    Int16 _FillValue 32767;
    Int16 actual_range 110, 128;
    String description "Molybenum (Mo) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "Mo";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  Cs {
    Float32 _FillValue NaN;
    Float32 actual_range 2.14, 4.68;
    String description "Cesium (Cs) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "CS";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  Ba {
    Int16 _FillValue 32767;
    Int16 actual_range 78, 248;
    String description "Barium (Ba) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "Ba";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  U {
    Float32 _FillValue NaN;
    Float32 actual_range 9.58, 14.7;
    String description "Uranium (U) concentration; measured by ICPMS";
    String ioos_category "Unknown";
    String long_name "U";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 22.8204, 22.82078;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude in decimal degrees; calculated from position described in Notes column";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -46.11083, -46.11082;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude in decimal degrees; calculated from position described in Notes column; Negative values = West";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Notes {
    String description "Notes and comments pertaining to the core";
    String ioos_category "Unknown";
    String long_name "Notes";
    String units "unitless";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"Push cores were collected by the ROV Jason II on dive J2-773 on 11-April-2014.
 
Pore waters were extracted in a cold room at 4C using acid-rinsed, washed and
dried rhizomes. The first 2 ml of fluid was discarded, then the remaining
fluid was filtered through a 0.45 micron membrane and stored in hot acid (60C)
washed high-density polyethylene bottles. Fluids were analyzed by electrode
(pH), titration (chlorinate, calcium, and alkalinity), colorimetric (nitrate),
inductively coupled optical emission spectroscopy (ICPOES), and inductively
coupled mass spectroscopy (ICPMS). Precision was generally 0.2% for chlorinate
and calcium titrations, 2% for alkalinity titrations, 0.01\\u00a0 for pH, 5%
for nitrate determinations, 2% for ICPOES measurements and 5% for ICPMS
measurements. All measurements were above detection limits with the exception
of Mn (0.1 umol/kg) and Fe (0.01 mol/kg).
 
Careful consideration of these data should examine the potential of sampling
artifacts for many of the solutes. We believe, for example, the Ca difference
from bottom seawater values is an artifact of sample handling, resulting from
the movement of sediment with carbonate present to the ship where the sediment
was handled. Other solutes are likewise probably affected.";
    String awards_0_award_nid "554913";
    String awards_0_award_number "OCE-1061934";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1061934";
    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 "Dr David  L. Garrison";
    String awards_0_program_manager_nid "50534";
    String awards_1_award_nid "554917";
    String awards_1_award_number "OCE-1061827";
    String awards_1_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1061827";
    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 "Dr David  L. Garrison";
    String awards_1_program_manager_nid "50534";
    String awards_2_award_nid "554921";
    String awards_2_award_number "OCE-1062006";
    String awards_2_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1062006";
    String awards_2_funder_name "NSF Division of Ocean Sciences";
    String awards_2_funding_acronym "NSF OCE";
    String awards_2_funding_source_nid "355";
    String awards_2_program_manager "Dr David  L. Garrison";
    String awards_2_program_manager_nid "50534";
    String awards_3_award_nid "554980";
    String awards_3_award_number "OCE-0939564";
    String awards_3_data_url "http://www.nsf.gov/awardsearch/showAward?AWD_ID=0939564";
    String awards_3_funder_name "NSF Division of Ocean Sciences";
    String awards_3_funding_acronym "NSF OCE";
    String awards_3_funding_source_nid "355";
    String awards_3_program_manager "Dr David  L. Garrison";
    String awards_3_program_manager_nid "50534";
    String cdm_data_type "Other";
    String comment 
"Pore water chemical concentration data and location from push cores  
   collected by the ROV Jason II on dive J2-773 
  PI: C. Geoffrey Wheat (MBARI) 
  Version date: 11 April 2019 
  NOTE: Some Mn and Fe values are below detection and are indicated by the less than sign (<).";
    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 "2019-04-11T19:01:20Z";
    String date_modified "2019-04-18T18:28:59Z";
    String defaultDataQuery "&time";
    String doi "10.1575/1912/bco-dmo.764875.1";
    Float64 Easternmost_Easting -46.11082;
    Float64 geospatial_lat_max 22.82078;
    Float64 geospatial_lat_min 22.8204;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -46.11082;
    Float64 geospatial_lon_min -46.11083;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 22.0;
    Float64 geospatial_vertical_min 2.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2019-10-20T02:08:10Z (local files)
2019-10-20T02:08:10Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_764875.html";
    String infoUrl "https://www.bco-dmo.org/dataset/764875";
    String institution "BCO-DMO";
    String instruments_0_acronym "ICP Mass Spec";
    String instruments_0_dataset_instrument_nid "765024";
    String instruments_0_description "An ICP Mass Spec is an instrument that passes nebulized samples into an inductively-coupled gas plasma (8-10000 K) where they are atomized and ionized. Ions of specific mass-to-charge ratios are quantified in a quadrupole mass spectrometer.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB15/";
    String instruments_0_instrument_name "Inductively Coupled Plasma Mass Spectrometer";
    String instruments_0_instrument_nid "530";
    String instruments_0_supplied_name "ICPMS";
    String instruments_1_acronym "ROV Jason";
    String instruments_1_dataset_instrument_nid "764990";
    String instruments_1_description "The Remotely Operated Vehicle (ROV) Jason is operated by the Deep Submergence Laboratory (DSL) at Woods Hole Oceanographic Institution (WHOI). WHOI engineers and scientists designed and built the ROV Jason to give scientists access to the seafloor that didn't require them leaving the deck of the ship. Jason is a two-body ROV system. A 10-kilometer (6-mile) fiber-optic cable delivers electrical power and commands from the ship through Medea and down to Jason, which then returns data and live video imagery. Medea serves as a shock absorber, buffering Jason from the movements of the ship, while providing lighting and a bird’s eye view of the ROV during seafloor operations. During each dive (deployment of the ROV), Jason pilots and scientists work from a control room on the ship to monitor Jason’s instruments and video while maneuvering the vehicle and optionally performing a variety of sampling activities. Jason is equipped with sonar imagers, water samplers, video and still cameras, and lighting gear. Jason’s manipulator arms collect samples of rock, sediment, or marine life and place them in the vehicle’s basket or on \"elevator\" platforms that float heavier loads to the surface. More information is available from the operator site at URL.";
    String instruments_1_instrument_name "ROV Jason";
    String instruments_1_instrument_nid "638";
    String instruments_1_supplied_name "ROV Jason II";
    String instruments_2_dataset_instrument_nid "764989";
    String instruments_2_description 
"Capable of being performed in numerous environments, push coring is just as it sounds. Push coring is simply pushing the core barrel (often an aluminum or polycarbonate tube) into the sediment by hand. A push core is useful in that it causes very little disturbance to the more delicate upper layers of a sub-aqueous sediment.

Description obtained from: http://web.whoi.edu/coastal-group/about/how-we-work/field-methods/coring/";
    String instruments_2_instrument_name "Push Corer";
    String instruments_2_instrument_nid "628287";
    String instruments_2_supplied_name "ROV Jason Push Core";
    String instruments_3_acronym "ICP-OES";
    String instruments_3_dataset_instrument_nid "765023";
    String instruments_3_description "Also referred to as an Inductively coupled plasma atomic emission spectroscope�(ICP-AES). These instruments pass nebulised samples into an inductively-coupled gas plasma (8-10000 K) where they are atomised and excited. The de-excitation optical emissions at characteristic wavelengths are spectroscopically analysed. It is often used in the detection of trace metals.";
    String instruments_3_instrument_name "Inductively Coupled Plasma Optical Emission Spectrometer";
    String instruments_3_instrument_nid "639924";
    String instruments_3_supplied_name "ICPOES";
    String keywords "alkalinity, bco, bco-dmo, biological, carbon, carbon dioxide, chemical, chemistry, chlorinity, co2, color, concentration, core, data, dataset, depth, dioxide, dissolved, dissolved nutrients, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > pH, Earth Science > Oceans > Ocean Chemistry > Silicate, erddap, latitude, longitude, management, mass, mass_concentration_of_silicate_in_sea_water, mole, mole_concentration_of_nitrate_in_sea_water, n02, nitrate, no3, notes, nutrients, ocean, ocean color, oceanography, oceans, office, preliminary, reported, salinity, scale, science, sea, sea_water_ph_reported_on_total_scale, seawater, silicate, total, u, v, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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/764875";
    Float64 Northernmost_Northing 22.82078;
    String param_mapping "{'764875': {'Lat': 'flag - latitude', 'Depth': 'flag - depth', 'Lon': 'flag - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/764875/parameters";
    String people_0_affiliation "Monterey Bay Aquarium Research Institute";
    String people_0_affiliation_acronym "MBARI";
    String people_0_person_name "Dr C. Geoffrey Wheat";
    String people_0_person_nid "554999";
    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 "Characterization of Microbial Transformations in Basement Fluids, from Genes to Geochemical Cycling";
    String projects_0_acronym "North Pond Microbes";
    String projects_0_description 
"Description from NSF award abstract:
Current estimates suggest that the volume of ocean crust capable of sustaining life is comparable in magnitude to that of the oceans. To date, there is little understanding of the composition or functional capacity of microbial communities in the sub-seafloor, or their influence on the chemistry of the oceans and subsequent consequences for global biogeochemical cycles. This project focuses on understanding the relationship between microbial communities and fluid chemistry in young crustal fluids that are responsible for the transport of energy, nutrients, and organisms in the crust. Specifically, the PIs will couple microbial activity measurements, including autotrophic carbon, nitrogen and sulfur metabolisms as well as mineral oxide reduction, with quantitative assessments of functional gene expression and geochemical transformations in basement fluids. Through a comprehensive suite of in situ and shipboard analyses, this research will yield cross-disciplinary advances in our understanding of the microbial ecology and geochemistry of the sub-seafloor biosphere. The focus of the effort is at North Pond, an isolated sediment pond located on ridge flank oceanic crust 7-8 million years old on the western side of the Mid-Atlantic Ridge. North Pond is currently the target for drilling on IODP expedition 336, during which it will be instrumented with three sub-seafloor basement observatories.
The project will leverage this opportunity for targeted and distinct sampling at North Pond on two German-US research cruises to accomplish three main objectives:
1. to determine if different basement fluid horizons across North Pond host distinct microbial communities and chemical milieus and the degree to which they change over a two-year post-drilling period.
2. to quantify the extent of autotrophic metabolism via microbially-mediated transformations in carbon, nitrogen, and sulfur species in basement fluids at North Pond.
3. to determine the extent of suspended particulate mineral oxides in basement fluids at North Pond and to characterize their role as oxidants for fluid-hosted microbial communities.
Specific outcomes include quantitative assessments of microbial activity and gene expression as well as geochemical transformations. The program builds on the integrative research goals for North Pond and will provide important data for guiding the development of that and future deep biosphere research programs. Results will increase understanding of microbial life and chemistry in young oceanic crust as well as provide new insights into controls on the distribution and activity of marine microbial communities throughout the worlds oceans.
There are no data about microbial communities in ubiquitous cold, oceanic crust, the emphasis of the proposed work. This is an interdisciplinary project at the interface of microbial ecology, chemistry, and deep-sea oceanography with direct links to international and national research and educational organizations.";
    String projects_0_end_date "2015-05";
    String projects_0_geolocation "North Pond, mid-Atlantic Ridge";
    String projects_0_name "Characterization of Microbial Transformations in Basement Fluids, from Genes to Geochemical Cycling";
    String projects_0_project_nid "554914";
    String projects_0_start_date "2011-06";
    String publisher_name "Shannon Rauch";
    String publisher_role "BCO-DMO Data Manager(s)";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 22.8204;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Pore water chemical concentration data and location from push cores collected by the ROV Jason II on dive J2-773 from cruise MSM37 on R/V Maria S. Merian on 11-April-2014.";
    String title "Pore water chemical concentration data and location from push cores collected by the ROV Jason II on dive J2-773 from cruise MSM37 on R/V Maria S. Merian from March to April 2014";
    String version "1";
    Float64 Westernmost_Easting -46.11083;
    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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