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Dataset Title:  Mesozooplankton community biomass (wet and dry weight) for 5 size classes and
total for samples collected by ring net tows on R/V Melville cruise MV1008 in
the Costa Rica Dome in 2010 (CRD FLUZiE project)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_516587)
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 event (integer) ?          14    1109
 tow (integer) ?          1    55
 cycle (text) ?          "Cycle_1"    "Transect_Stn_9"
 time_of_day (code) ?          1    2
 date_local (unitless) ?          "06232010"    "07232010"
 time_local (HHMM) ?          "0010"    "2355"
 latitude (degrees_north) ?          6.628    10.3
  < slider >
 longitude (degrees_east) ?          -92.987    -86.735
  < slider >
 depth (m) ?          100.0    202.0
  < slider >
 size_class (millimeters (mm)) ?          "0.2_to_0.5"    "total"
 dry_biomass (grams per square meter (g m-2)) ?          0.0    20.3
 wet_biomass (grams per square meter (g m-2)) ?          0.0    219.95
 
Server-side Functions ?
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  event {
    Int16 _FillValue 32767;
    Int16 actual_range 14, 1109;
    String bcodmo_name "event";
    String description "Number referring to the particular activity (event) on the FluZiE cruise.";
    String long_name "Event";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/";
    String units "integer";
  }
  tow {
    Byte _FillValue 127;
    Byte actual_range 1, 55;
    String bcodmo_name "tow";
    String description "Tow number.";
    String long_name "Tow";
    String units "integer";
  }
  cycle {
    String bcodmo_name "unknown";
    String description "Type and number of cruise sampling event. Either \"Stn_n\" or \"Cycle_n\". A transect of stations was sampled from 29 June to 03 July. Five quasi-Lagrangian experiments called \"cycles\" were conducted during the remainder of the cruise.";
    String long_name "Cycle";
    String units "text";
  }
  time_of_day {
    Byte _FillValue 127;
    Byte actual_range 1, 2;
    String bcodmo_name "time_of_day";
    String description "Time of day. 1 = day; 2= night.";
    String long_name "Time Of Day";
    String units "code";
  }
  date_local {
    String bcodmo_name "date_local";
    String description "Date of tow (local time zone of UTC -6). in the format mmddyyyy";
    String long_name "Date Local";
    String units "unitless";
  }
  time_local {
    String bcodmo_name "time_local";
    String description "Time at start of tow (local time zone of UTC -6).";
    String long_name "Time Local";
    String units "HHMM";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 6.628, 10.3;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude in 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 -92.987, -86.735;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude in 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 {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 100.0, 202.0;
    String axis "Z";
    String bcodmo_name "depth";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Depth of the tow.";
    String ioos_category "Location";
    String long_name "Depth";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/DEPH/";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  size_class {
    String bcodmo_name "unknown";
    String description 
"Mesozooplankton size class.
0.2_to_0.5 = 02.-0.5 mm;
0.5_to_1 = 0.5-1 mm;
1_to_2 = 1-2 mm;
2_to_5 = 2-5 mm;
gt5 = greater than 5 mm;
total = total for all size classes.";
    String long_name "Size Class";
    String units "millimeters (mm)";
  }
  dry_biomass {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 20.3;
    String bcodmo_name "unknown";
    String description "Dry weight biomass estimates of mesozooplankton by size class.";
    String long_name "Dry Biomass";
    String units "grams per square meter (g m-2)";
  }
  wet_biomass {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 219.95;
    String bcodmo_name "unknown";
    String description "Wet weight biomass estimates of mesozooplankton by size class.";
    String long_name "Wet Biomass";
    String units "grams per square meter (g m-2)";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"Mesozooplankton net collections  
 Mesozooplankton sampling was conducted using a standard 1-m2 ring net with
202-um Nitex mesh, towed obliquely for 20 minutes at a ship speed of 1-2 kts.
A General Oceanics flowmeter was attached across the net mouth to record
volume filtered, and a Vemco depth meter was fastened to the net frame to
record tow depth and duration. The target depth of tows was 150 m. Once on
deck, the net was washed down with seawater and the contents of the cod end
placed in a bucket with carbonated water to prevent gut evacuation. Separate
splits (each of typically 1/8th of the sample) were used for biomass and gut-
fluorescence determinations. Each of these subsample splits was wet sieved
into five size classes of 0.2-0.5, 0.5-1, 1-2, 2-5, and >5 mm.
 
Biomass estimates  
 Each size-fractioned sample for biomass was concentrated onto a pre-weighed
202-um Nitex screen, rinsed with ammonium formate to remove interstitial sea
salt, placed in Petri dishes and frozen at -80\\u00b0C for later analysis on
shore. The frozen samples were thawed, blotted on paper to remove excess water
and weighed (wet weight) to 0.01 mg at room temperature on an analytical
microbalance (Denver Instrument). Immediately afterwards, samples were dried
in an oven at 60\\u00b0C for at least 24 h, and weighed on the same instrument
to obtain dry weight estimates. After subtracting the initial weight of the
Nitex screen, the wet weight (WW) and dry weight (DW) of each size fraction
were obtained by the appropriate multiplication factors for previous sub-
sampling. Areal biomass estimates (i.e., g m-2) were computed from total net
sample estimates by multiplying by the factor, D/vol, which reflects the water
depth (D, m) and volume filtered (vol, m3).";
    String awards_0_award_nid "515386";
    String awards_0_award_number "OCE-0826626";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward?AWD_ID=0826626";
    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 "David L. Garrison";
    String awards_0_program_manager_nid "50534";
    String cdm_data_type "Other";
    String comment 
"Mesozooplankton Community Biomass 
  PI: Michael Landry (UCSD-SIO) 
  Contact: Moira Decima (UCSD-SIO) 
  Version: 10 June 2014 
  Notes: time_of_day values: 1=day, 2=night. 
         size_class: gt5 = greater than 5 mm.";
    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 "2014-06-10T18:57:57Z";
    String date_modified "2019-12-30T15:08:27Z";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.1575/1912/bco-dmo.516587.1";
    Float64 Easternmost_Easting -86.735;
    Float64 geospatial_lat_max 10.3;
    Float64 geospatial_lat_min 6.628;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -86.735;
    Float64 geospatial_lon_min -92.987;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 202.0;
    Float64 geospatial_vertical_min 100.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2020-08-06T09:55:53Z (local files)
2020-08-06T09:55:53Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_516587.html";
    String infoUrl "https://www.bco-dmo.org/dataset/516587";
    String institution "BCO-DMO";
    String instruments_0_acronym "Ring Net";
    String instruments_0_dataset_instrument_description "Mesozooplankton sampling was conducted using a standard 1-m2 ring net with 202-um Nitex mesh, towed obliquely for 20 min at a ship speed of 1-2 kts.";
    String instruments_0_dataset_instrument_nid "516611";
    String instruments_0_description "A Ring Net is a generic plankton net, made by attaching a net of any mesh size to a metal ring of any diameter.  There are 1 meter, .75 meter, .25 meter and .5 meter nets that are used regularly. The most common zooplankton ring net is 1 meter in diameter and of mesh size .333mm, also known as a 'meter net' (see Meter Net).";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/22/";
    String instruments_0_instrument_name "Ring Net";
    String instruments_0_instrument_nid "444";
    String instruments_0_supplied_name "Ring Net";
    String instruments_1_acronym "Flow Meter";
    String instruments_1_dataset_instrument_description "A General Oceanics flowmeter was attached across the ring net mouth to record volume filtered.";
    String instruments_1_dataset_instrument_nid "516612";
    String instruments_1_description "General term for a sensor that quantifies the rate at which fluids (e.g. water or air) pass through sensor packages, instruments, or sampling devices. A flow meter may be mechanical, optical, electromagnetic, etc.";
    String instruments_1_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/388/";
    String instruments_1_instrument_name "Flow Meter";
    String instruments_1_instrument_nid "650";
    String instruments_1_supplied_name "General Oceanics flowmeter";
    String instruments_2_acronym "Scale";
    String instruments_2_dataset_instrument_description "Samples were weighed on an analytical microbalance (Denver Instrument).";
    String instruments_2_dataset_instrument_nid "516613";
    String instruments_2_description "An instrument used to measure weight or mass.";
    String instruments_2_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB13/";
    String instruments_2_instrument_name "Scale";
    String instruments_2_instrument_nid "714";
    String instruments_2_supplied_name "Analytical microbalance";
    String keywords "array, array-data, bco, bco-dmo, biological, biomass, chemical, class, comprehensive, cycle, data, dataset, date, date_local, day, depth, depth_tow, dmo, dry, dry_biomass, erddap, event, large, latitude, local, longitude, management, oceanography, office, preliminary, size, size_class, stewardship, system, time, time_local, time_of_day, tow, wet, wet_biomass";
    String license "https://www.bco-dmo.org/dataset/516587/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/516587";
    Float64 Northernmost_Northing 10.3;
    String param_mapping "{'516587': {'lat': 'master - latitude', 'lon': 'master - longitude', 'depth_tow': 'flag - depth'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/516587/parameters";
    String people_0_affiliation "University of California-San Diego";
    String people_0_affiliation_acronym "UCSD-SIO";
    String people_0_person_name "Michael R. Landry";
    String people_0_person_nid "50545";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "University of California-San Diego";
    String people_1_affiliation_acronym "UCSD-SIO";
    String people_1_person_name "Moira Decima";
    String people_1_person_nid "516499";
    String people_1_role "Contact";
    String people_1_role_type "related";
    String people_2_affiliation "Woods Hole Oceanographic Institution";
    String people_2_affiliation_acronym "WHOI BCO-DMO";
    String people_2_person_name "Shannon Rauch";
    String people_2_person_nid "51498";
    String people_2_role "BCO-DMO Data Manager";
    String people_2_role_type "related";
    String project "CRD FLUZiE";
    String projects_0_acronym "CRD FLUZiE";
    String projects_0_description 
"Research was aimed at improved understanding of plankton dynamics, carbon and nutrient fluxes, and potential trace element limitation in the Costa Rica Dome region of the eastern tropical Pacific. The specific science objectives of the 2010 R/V Melville cruise (MV1008) were:
1) to assess grazing and trace metal/nutrient controls on primary production and phytoplankton standing stocks;
2) to quantify carbon and elemental fluxes and export rates from the euphotic zone; and
3) to measure microbial population, processes, stable isotope abundances associated with the OMZ and nitrite maxima.
Additional information about MV1008 can be found in the cruise report (PDF).
NOTE: The original proposal and award abstract are not relevant. The project was originally funded by NSF as experimental tests of phytoplankton controls in the Arabian Sea. Piracy concerns in the region led to the cancellation of the research cruise in 2009, and a Change of Scope request was approved to focus the project on related issues in the Costa Rica Dome (CRD).
Though this project is not formally affiliated with any large program, it aligns with IMBER's emphasis on community ecology and biogeochemistry, and the OCB focus on carbon-based measurements of production, grazing and export processes.";
    String projects_0_end_date "2013-12";
    String projects_0_geolocation "Costa Rica Dome, Eastern Tropical Pacific Ocean";
    String projects_0_name "Costa Rica Dome FLUx and Zinc Experiments";
    String projects_0_project_nid "515387";
    String projects_0_start_date "2009-01";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 6.628;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Mesozooplankton community biomass (wet weight and dry weight), for 5 size classes (0.2-0.5, 0.5-1, 1-2, 2-5, and >5 mm) and total. Samples were collected during ring net tows on the MV1008 cruise in the Costa Rica Dome (CRD) region of the Eastern Tropical Pacific Ocean.";
    String title "Mesozooplankton community biomass (wet and dry weight) for 5 size classes and total for samples collected by ring net tows on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project)";
    String version "1";
    Float64 Westernmost_Easting -92.987;
    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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