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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  NCCOS National Status and Trends   RSS
Institution:  NCEI   (Dataset ID: nccos_bedi_nst)
Range: longitude = -64.8821 to -64.82621°E, latitude = 18.30095 to 18.3225°N
Information:  Summary ? | License ? | Metadata | Background | Data Access Form
 
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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 {
  program_name {
    String ioos_category "Other";
  }
  study_name {
    String ioos_category "Other";
  }
  metadata_key {
    String ioos_category "Other";
  }
  nst_site {
    String ioos_category "Location";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 18.30095, 18.3225;
    String axis "Y";
    String comment "The latitude of the site expressed in decimal degrees.";
    String description "The latitude of the site expressed in decimal degrees.";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 18.3225;
    Float64 valid_min 18.30095;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -64.8821, -64.82621;
    String axis "X";
    String comment "The longitude of the site expressed in decimal degrees.";
    String description "The longitude of the site expressed in decimal degrees.";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max -64.82621;
    Float64 valid_min -64.88128;
  }
  gen_loc {
    String comment "This is the general location of the NS and T site.";
    String description "This is the general location of the NS and T site.";
    String ioos_category "Location";
  }
  spec_loc {
    String comment "This is the specific location of the NS and T site.";
    String description "This is the specific location of the NS and T site.";
    String ioos_category "Location";
  }
  state_abbr {
    String comment "State Abbreviation.";
    String description "State Abbreviation.";
    String ioos_category "Location";
  }
  state_name {
    String comment "State Name.";
    String description "State Name.";
    String ioos_category "Location";
  }
  cea_name {
    String comment "NS and T Coastal Ecological Area Name.";
    String description "NS and T Coastal Ecological Area Name.";
    String ioos_category "Location";
  }
  reg_nm {
    String comment "NS and T Region Name.";
    String description "NS and T Region Name.";
    String ioos_category "Location";
  }
  nst_sample_id {
    String comment "An identifier used to uniquely identify a sample. This variable combines Program, Fiscal Year, NS and T Site, and Species Code.";
    String description "An identifier used to uniquely identify a sample. This variable combines Program, Fiscal Year, NS and T Site, and Species Code.";
    String ioos_category "Identifier";
  }
  method {
    String comment "Abbreviated analytical method used to analyze similar parameters.";
    String description "Abbreviated analytical method used to analyze similar parameters.";
    String ioos_category "Contaminants";
  }
  fyear {
    Int32 actual_range 2010, 2012;
    String comment "The fiscal year in which the sample was collected and analyzed in YYYY format.";
    String description "The fiscal year in which the sample was collected and analyzed in YYYY format.";
    String ioos_category "Time";
  }
  batch {
    String comment "The code grouping all samples processed in the same batch for a given method.";
    String description "The code grouping all samples processed in the same batch for a given method.";
    String ioos_category "Other";
  }
  matrix_description {
    String comment "The name of the matrix, e.g., Conch, Coral, Sediment.";
    String description "The name of the matrix, e.g., Conch, Coral, Sediment.";
    String ioos_category "Ecology";
  }
  common_nm {
    String comment "The common name of each species analyzed by NS and T, or [Matrix] or Not Applicable.";
    String description "The common name of each species analyzed by NS and T, or [Matrix] or Not Applicable.";
    String ioos_category "Taxonomy";
  }
  scientific_nm {
    String comment "The scientific name of each species analyzed by NS and T, or [Matrix] or Not Applicable.";
    String description "The scientific name of each species analyzed by NS and T, or [Matrix] or Not Applicable.";
    String ioos_category "Taxonomy";
  }
  col_date {
    Float64 actual_range 1.272931e+9, 1.340323e+9;
    String comment "The date the sample was collected in DDMmmYYYY HH:MM:SS.SSS AM format.";
    String description "Date and time the sample was collected";
    String ioos_category "Time";
    String long_name "Col Date";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  parameter_nm {
    String comment "Name of parameter.";
    String description "Name of parameter.";
    String ioos_category "Contaminants";
  }
  indicator_nm {
    String comment "The name of the group to which an NS and T parameter belongs: Biological, Chemical, Physical, Toxicological.";
    String description "The name of the group to which an NS and T parameter belongs: Biological, Chemical, Physical, Toxicological.";
    String ioos_category "Contaminants";
  }
  group_nm {
    String comment "The name of the subgroup to which an NS and T parameter belongs.";
    String description "The name of the subgroup to which an NS and T parameter belongs.";
    String ioos_category "Contaminants";
  }
  conc {
    Float64 actual_range 0.0, 242000.0;
    String comment "The measured result from the analyzed parameter, see [Unit_Description] and [Qual_Nm] for units and quality flags.";
    String description "The measured result from the analyzed parameter, see [Unit_Description] and [Qual_Nm] for units and quality flags.";
    String ioos_category "Contaminants";
  }
  qual_nm {
    String comment "The name of the situation qualifying the result of the measurement in a sample.";
    String description "The name of the situation qualifying the result of the measurement in a sample.";
    String ioos_category "Quality";
  }
  unit {
    String comment "A code which identifies the units used to measure the result of a given parameter in a sample.";
    String description "A code which identifies the units used to measure the result of a given parameter in a sample.";
    String ioos_category "Contaminants";
  }
  unit_description {
    String comment "The unit name in which the result for a parameter is expressed.";
    String description "The unit name in which the result for a parameter is expressed.";
    String ioos_category "Contaminants";
  }
 }
  NC_GLOBAL {
    String acknowledgment "No use constraints are applicable.";
    String cdm_data_type "Other";
    String contributor_name "Coral Reef Conservation Program";
    String Conventions "CF-1.6,ACDD-1.3";
    String creator_email "coralreef@noaa.gov";
    String creator_name "Coral Reef Conservation Program";
    String creator_url "https://coralreef.noaa.gov";
    Float64 Easternmost_Easting -64.82621;
    Float64 geospatial_lat_max 18.3225;
    Float64 geospatial_lat_min 18.30095;
    String geospatial_lat_resolution "point";
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -64.82621;
    Float64 geospatial_lon_min -64.8821;
    String geospatial_lon_resolution "point";
    String geospatial_lon_units "degrees_east";
    String history 
"2022-07-03T02:10:22Z (local files)
2022-07-03T02:10:22Z https://www.ncei.noaa.gov/tabledap/nccos_bedi_nst.das";
    String infoUrl "https://www.ncei.noaa.gov";
    String institution "NCEI";
    String keywords "coral reef, corals, CoRIS, CRCP";
    String keywords_vocabulary "None";
    String license "No access constraints are applicable.";
    String Metadata_Conventions "Unidata Dataset Discovery v1.0";
    String naming_authority "gov.noaa.fisheries.www";
    String ncei_template_version "NCEI_NetCDF_Point_Template_v2.0";
    Float64 Northernmost_Northing 18.3225;
    String processing_level "4";
    String program "Coral Reef Conservation Program";
    String publisher_email "ncei_info@noaa.gov";
    String publisher_name "NOAA National Centers for Environmental Information (NCEI)";
    String publisher_url "https://ncei.noaa.gov";
    String references "https://www.fisheries.noaa.gov/national/habitat-conservation/deep-sea-coral-habitat";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 18.30095;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "NOAA's National Status and Trends (NS and T) program conducts long-term monitoring of contaminants and other environmental conditions along U.S. coasts, and is designed to describe the current status of, and detect changes in, the environmental quality of our Nation's estuarine and coastal waters through environmental monitoring, assessment, and related research. NS and T is led by the NOAA National Centers for Coastal Ocean Science (NCCOS) in Silver Spring, MD.  Contact nccos.data@noaa.gov for more information.";
    String title "NCCOS National Status and Trends";
    Float64 Westernmost_Easting -64.8821;
  }
}

 

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/erdGlobecBottle.htmlTable?longitude,latitude,time,bottle_posn,temperature1&time>=2002-08-17T00:00:00Z&time<=2002-08-19T20:18:00Z
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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