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Dataset Title:  Chlorophyll data collected in the Gulf of Maine on F/V Lady Regena (NEC-JR2001-
1) from 2003-2005 (NEC-CoopRes project)
  RSS
Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_2795)
Range: longitude = -70.4303 to -70.312°E, latitude = 42.8335 to 43.1798°N, depth = 0.0 to 50.0m
Information:  Summary ? | License ? | ISO 19115 | 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 {
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 2003, 2005;
    String description "4 digit year";
    String ioos_category "Time";
    String long_name "Year";
  }
  yrday_local {
    Int16 _FillValue 32767;
    Int16 actual_range 2, 350;
    String description "day of the year with Jan. 1 = 1.  sometimes called 'Julian Day'";
    String ioos_category "Unknown";
    String long_name "Yrday Local";
  }
  date_local {
    String description "local date";
    String ioos_category "Time";
    String long_name "Date Local";
    String source_name "date_local";
  }
  station {
    String description "station number/identification, see chart above: B = GoMoos buoy B locationS = New Scantum at the southern edge Jefferys Ledge";
    String ioos_category "Identifier";
    String long_name "Station";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 42.8335, 43.1798;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "latitude in decimal degrees. North is positive.";
    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 -70.4303, -70.312;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "longitude in decimal degrees. West is negative.";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 50.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "depth of the observation in meters";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  replicate {
    String description "sample replicate number";
    String ioos_category "Unknown";
    String long_name "Replicate";
  }
  chla_GF {
    Float32 _FillValue NaN;
    Float32 actual_range -0.2601, 34.8;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String description "chlorophyll a concentration inmg/m3 or �g/l, collected on a 0.7 micron Glass Fiber filter";
    String ioos_category "Ocean Color";
    String long_name "Concentration Of Chlorophyll In Sea Water";
  }
  chla_8um {
    Float32 _FillValue NaN;
    Float32 actual_range -0.0872, 8.721;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String description "chlorophyll a concentration in mg/m3 or �g/l, collected on an 8 micron filter, not reported in year 2003";
    String ioos_category "Ocean Color";
    String long_name "Concentration Of Chlorophyll In Sea Water";
  }
  phaeo_GF {
    Float32 _FillValue NaN;
    Float32 actual_range -2.4507, 5.3;
    String description "phaeophytin concentration in mg/m3 or �g/l, collected on a 0.7 micron Glass Fiber filter, not reported in 2003";
    String ioos_category "Unknown";
    String long_name "Phaeo GF";
  }
  phaeo_8um {
    Float32 _FillValue NaN;
    Float32 actual_range -6.1195, 9.498;
    String description "phaeophytin concentration in mg/m3 or �g/l, collected on an 8 micron filter, not reported in 2003";
    String ioos_category "Unknown";
    String long_name "Phaeo 8um";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"Data collected during time series, 2003-2005: temperature, salinity,
chlorophyll a (at 6 depths), nutrients (phosphate, nitrate, ammonium),
zooplankton biomass, abundance and composition at each station (total of 93
stations at Buoy \\\"B\\\" and 87 stations at Jeffreys Ledge over 3 years).
 
Samples taken are a CTD (SeaCat 19 plus) cast for salinity, temperature,
density, and fluorescence; 2 vertical ring net tows with a 200 micron mesh for
zooplankton and ichthyoplankton assemblages and abundance; and water samples
taken from every 10 meter depth from 0-50 meters for nutrient and
chlorophyll-a profiling as well as phytoplankton assemblages.";
    String awards_0_award_nid "55021";
    String awards_0_award_number "unknown NEC-CoopRes NEC";
    String awards_0_funder_name "NorthEast Consortium";
    String awards_0_funding_acronym "NEC";
    String awards_0_funding_source_nid "383";
    String cdm_data_type "Other";
    String comment 
"Chlorophyll-a data,Long-Term Ecosystem Monitoring in the Gulf of Maine (PULSE) 
  PI: Jeff Runge (GMRI) 
  Gulf of Maine, 2003-2005";
    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 "2010-08-09T18:53:42Z";
    String date_modified "2019-02-18T20:53:07Z";
    String defaultDataQuery "&time";
    String doi "10.1575/1912/bco-dmo.2795.1";
    Float64 Easternmost_Easting -70.312;
    Float64 geospatial_lat_max 43.1798;
    Float64 geospatial_lat_min 42.8335;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.312;
    Float64 geospatial_lon_min -70.4303;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 50.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2019-08-19T04:42:29Z (local files)
2019-08-19T04:42:29Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_2795.das";
    String infoUrl "https://www.bco-dmo.org/dataset/2795";
    String institution "BCO-DMO";
    String keywords "8um, bco, bco-dmo, biological, chemical, chemistry, chla_8um, chla_GF, chlorophyll, color, concentration, concentration_of_chlorophyll_in_sea_water, data, dataset, date, depth, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, erddap, identifier, latitude, local, longitude, management, ocean, ocean color, oceanography, oceans, office, phaeo, phaeo_8um, phaeo_GF, preliminary, replicate, science, sea, seawater, station, time, water, year, yrday, yrday_local";
    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/2795";
    Float64 Northernmost_Northing 43.1798;
    String param_mapping "{'2795': {'lat': 'master - latitude', 'depth': 'flag - depth', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/2795/parameters";
    String people_0_affiliation "University of New Hampshire";
    String people_0_affiliation_acronym "UNH";
    String people_0_person_name "Jeffrey A. Runge";
    String people_0_person_nid "50905";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "University of New Hampshire";
    String people_1_affiliation_acronym "UNH";
    String people_1_person_name "Ms Rebecca  J. Jones";
    String people_1_person_nid "50417";
    String people_1_role "Scientist";
    String people_1_role_type "originator";
    String people_2_affiliation "Woods Hole Oceanographic Institution";
    String people_2_affiliation_acronym "WHOI BCO-DMO";
    String people_2_person_name "Ms Dicky Allison";
    String people_2_person_nid "50382";
    String people_2_role "BCO-DMO Data Manager";
    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 "Nancy Copley";
    String people_3_person_nid "50396";
    String people_3_role "BCO-DMO Data Manager";
    String people_3_role_type "related";
    String project "Northeast Consortium: Cooperative Research";
    String projects_0_acronym "NEC-CoopRes";
    String projects_0_description 
"The Northeast Consortium encourages and funds cooperative research and monitoring projects in the Gulf of Maine and Georges Bank that have effective, equal partnerships among fishermen, scientists, educators, and marine resource managers.
The Northeast Consortium seeks to fund projects that will be conducted in a responsible manner. Cooperative research projects are designed to minimize any negative impacts to ecosystems or marine organisms, and be consistent with accepted ethical research practices, including the use of animals and human subjects in research, scrutiny of research protocols by an institutional board of review, etc.";
    String projects_0_geolocation "Georges Bank, Gulf of Maine";
    String projects_0_name "Northeast Consortium: Cooperative Research";
    String projects_0_project_nid "2045";
    String projects_0_project_website "http://northeastconsortium.org/";
    String projects_0_start_date "1999-01";
    String publisher_name "Ms Dicky Allison, Nancy Copley";
    String publisher_role "BCO-DMO Data Manager(s)";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.8335;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Chlorophyll data collected in the Gulf of Maine on F/V Lady Regena (NEC-JR2001-1) from 2003-2005 (NEC-CoopRes project)";
    String title "Chlorophyll data collected in the Gulf of Maine on F/V Lady Regena (NEC-JR2001-1) from 2003-2005 (NEC-CoopRes project)";
    String version "1";
    Float64 Westernmost_Easting -70.4303;
    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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