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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  BEDI Data Recovery: F144 Marine toxic substances and pollutants   RSS
Institution:  NCEI   (Dataset ID: bedi_F144)
Range: longitude = -178.7017 to 58.9°E, latitude = -77.41666 to 72.93333°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 {
  air_temperature {
    Float32 actual_range -2.9, 34.0;
    String ioos_category "Temperature";
    String units "degreeC";
  }
  area_sampled {
    Float32 actual_range 1.0, 495.0;
    String ioos_category "Other";
    String units "meters2";
  }
  author_and_date {
    String ioos_category "Other";
  }
  beach_status {
    String ioos_category "Contaminants";
    String units "NODC CODE 0398";
  }
  beach_tar_record {
    String ioos_category "Contaminants";
  }
  beach_tar_sample_number {
    String ioos_category "Identifier";
  }
  beach_tar_sequence_number {
    Int32 actual_range 4, 351;
    String ioos_category "Identifier";
  }
  beach_tar_station_identifier {
    String ioos_category "Identifier";
  }
  beach_tar_station_number {
    String ioos_category "Identifier";
  }
  biological_niche {
    String ioos_category "Biology";
  }
  bottom_depth {
    Float32 actual_range 0.0, 4400.0;
    String ioos_category "Bathymetry";
    String units "meters";
  }
  bottom_type {
    String ioos_category "Bottom Character";
    String units "NODC CODE 0077";
  }
  code_level {
    String ioos_category "Biology";
  }
  concentration_1 {
    Float32 actual_range -999.0, 6.7249997e+8;
    String ioos_category "Contaminants";
  }
  concentration_2 {
    Float32 actual_range 0.0, 2.32e+7;
    String ioos_category "Contaminants";
  }
  concentration_3 {
    Float32 actual_range 0.0, 1.249e+7;
    String ioos_category "Contaminants";
  }
  control_code {
    String ioos_category "Identifier";
  }
  current_direction {
    String ioos_category "Currents";
    String units "NODC CODE 0110";
  }
  current_speed {
    String ioos_category "Currents";
    String units "meters/second";
  }
  data_record {
    String ioos_category "Identifier";
  }
  data_replicate_number {
    String ioos_category "Identifier";
  }
  data_sample_number {
    String ioos_category "Identifier";
  }
  data_sequence_number {
    String ioos_category "Identifier";
  }
  data_specimen_number {
    String ioos_category "Identifier";
  }
  data_station_number {
    String ioos_category "Identifier";
  }
  date_time {
    String description "Date and GMT time in iso 8601 form YYYY-MM-DD HH:MM:SS";
    String ioos_category "Time";
    String long_name "Date Time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth_of_thermocline {
    String ioos_category "Physical Oceanography";
    String units "meters";
  }
  distance_between_high_and_low_tide {
    String ioos_category "Sea Level";
    String units "meters";
  }
  distance_to_nearest_zid_or_effluent {
    Float32 actual_range 0.0, 0.9;
    String ioos_category "Contaminants";
    String units "kilometers";
  }
  dry_weight {
    Float32 actual_range 0.9, 94.9;
    String ioos_category "Contaminants";
    String units "percent";
  }
  environment_record {
    String ioos_category "Identifier";
  }
  environment_sequence_number {
    Int32 actual_range 2, 170;
    String ioos_category "Identifier";
  }
  environment_station_number {
    String ioos_category "Identifier";
  }
  gear_type {
    String ioos_category "Other";
    String units "NODC CODE 0376";
  }
  institution_or_agency {
    String ioos_category "Identifier";
  }
  investigator_data_source_municipality_contractor {
    String ioos_category "Identifier";
  }
  length_of_shorefront {
    Float32 actual_range 0.0, 62.0;
    String ioos_category "Other";
    String units "meters";
  }
  life_stage {
    String ioos_category "Biology";
  }
  material_analyzed {
    String ioos_category "Contaminants";
  }
  measurement_code_1 {
    String ioos_category "Identifier";
  }
  measurement_code_2 {
    String ioos_category "Identifier";
  }
  measurement_code_3 {
    String ioos_category "Identifier";
  }
  method {
    String ioos_category "Contaminants";
    String units "NODC CODE 0350";
  }
  nodc_code {
    String ioos_category "Identifier";
  }
  nodc_file_number {
    String ioos_category "Identifier";
  }
  nodc_track_number {
    String ioos_category "Identifier";
  }
  number_of_individuals {
    Int32 actual_range 1, 953;
    String ioos_category "Biology";
  }
  parameter_code_1 {
    String ioos_category "Identifier";
  }
  parameter_code_2 {
    String ioos_category "Identifier";
  }
  parameter_code_3 {
    String ioos_category "Identifier";
  }
  platform {
    String ioos_category "Other";
  }
  pre_replicate_number {
    String ioos_category "Identifier";
  }
  pre_sample_number {
    String ioos_category "Identifier";
  }
  pre_sequence_number {
    String ioos_category "Identifier";
  }
  pre_specimen_number {
    String ioos_category "Identifier";
  }
  pre_station_number {
    String ioos_category "Identifier";
  }
  pre_text {
    String ioos_category "Other";
  }
  pre_text_record {
    String ioos_category "Identifier";
  }
  predominant_sex {
    String ioos_category "Biology";
  }
  prevailing_wind {
    String ioos_category "Wind";
    String units "NODC CODE 0399";
  }
  rank {
    String ioos_category "Identifier";
  }
  salinity_method {
    String ioos_category "Salinity";
  }
  sample_depth_lower {
    Float32 actual_range 0.0, 2195.0;
    String ioos_category "Location";
    String units "meters";
  }
  sample_depth_upper {
    Float32 actual_range 0.0, 2195.0;
    String ioos_category "Location";
    String units "meters";
  }
  sample_elevation_intertidal {
    String ioos_category "Location";
    String units "meters";
  }
  sample_header_record {
    String ioos_category "Identifier";
  }
  sample_header_replicate_number {
    String ioos_category "Identifier";
  }
  sample_header_sample_number {
    String ioos_category "Identifier";
  }
  sample_header_sequence_number {
    Int32 actual_range 1, 356;
    String ioos_category "Identifier";
  }
  sample_header_specimen_number {
    String ioos_category "Identifier";
  }
  sample_header_station_number {
    String ioos_category "Identifier";
  }
  sample_type {
    String ioos_category "Identifier";
  }
  sea_state {
    String ioos_category "Surface Waves";
    String units "NODC CODE 0109";
  }
  seashore_surface {
    String ioos_category "Other";
    String units "NODC CODE 0281";
  }
  sphere {
    String ioos_category "Other";
    String units "NODC CODE 0093";
  }
  station_header_effluent_identifier {
    String ioos_category "Identifier";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -77.41666, 72.93333;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -178.7017, 58.9;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  station_header_record {
    String ioos_category "Identifier";
  }
  station_header_sequence_number {
    Int32 actual_range 1, 348;
    String ioos_category "Identifier";
  }
  station_header_station_identifier {
    String ioos_category "Identifier";
  }
  station_header_station_number {
    String ioos_category "Identifier";
  }
  station_header_text_replicate_number {
    String ioos_category "Identifier";
  }
  station_header_text_sample_number {
    String ioos_category "Identifier";
  }
  station_header_text_sequence_number {
    Int32 actual_range 2, 12;
    String ioos_category "Identifier";
  }
  station_header_text_specimen_number {
    String ioos_category "Identifier";
  }
  station_header_text_station_number {
    String ioos_category "Identifier";
  }
  station_header_text_text {
    String ioos_category "Other";
  }
  station_header_text_text_record {
    String ioos_category "Identifier";
  }
  station_inside_zid {
    String ioos_category "Contaminants";
  }
  survey_date_from {
    String description "Date in iso 8601 form YYYY-MM-DD";
    String ioos_category "Time";
    String long_name "Survey Date From";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  survey_date_to {
    String description "Date in iso 8601 form YYYY-MM-DD";
    String ioos_category "Time";
    String long_name "Survey Date To";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  survey_header_record {
    String ioos_category "Identifier";
  }
  survey_header_text_replicate_number {
    String ioos_category "Identifier";
  }
  survey_header_text_sample_number {
    String ioos_category "Identifier";
  }
  survey_header_text_sequence_number {
    Int32 actual_range 0, 48;
    String ioos_category "Identifier";
  }
  survey_header_text_specimen_number {
    String ioos_category "Identifier";
  }
  survey_header_text_station_number {
    String ioos_category "Identifier";
  }
  survey_header_text_text {
    String ioos_category "Other";
  }
  survey_header_text_text_record {
    String ioos_category "Identifier";
  }
  survey_identification {
    String ioos_category "Identifier";
  }
  taxon_serial_number {
    String ioos_category "Taxonomy";
  }
  taxonomic_name {
    String ioos_category "Taxonomy";
    String units "NODC TAXONOMIC CODE";
  }
  text_record {
    String ioos_category "Identifier";
  }
  text_replicate_number {
    String ioos_category "Taxonomy";
  }
  text_sample_number {
    String ioos_category "Identifier";
  }
  text_sequence_number {
    Int32 actual_range 0, 347;
    String ioos_category "Identifier";
  }
  text_specimen_number {
    String ioos_category "Identifier";
  }
  text_station_number {
    String ioos_category "Identifier";
  }
  text_text {
    String ioos_category "Other";
  }
  tide_height {
    Float32 actual_range -2.6, 1.8;
    String ioos_category "Sea Level";
    String units "meters";
  }
  tide_stage {
    String ioos_category "Sea Level";
    String units "NODC CODE 0154";
  }
  time_of_low_tide {
    String description "GMT time in the form HH:MM";
    String ioos_category "Sea Level";
    String units "HH:MM";
  }
  trace_code_1 {
    String ioos_category "Identifier";
  }
  trace_code_2 {
    String ioos_category "Identifier";
  }
  trace_code_3 {
    String ioos_category "Identifier";
  }
  transparency {
    Float32 actual_range 0.0, 0.0;
    String ioos_category "Optical Properties";
    String units "meters";
  }
  type {
    String ioos_category "Other";
  }
  type_of_tow {
    String ioos_category "Other";
    String units "NODC CODE 0314";
  }
  water_surface_salinity {
    Float32 actual_range 0.3, 35.98;
    String ioos_category "Salinity";
    String units "psu";
  }
  water_surface_temperature {
    Float32 actual_range -15.0, 390.0;
    String ioos_category "Temperature";
    String units "degreeC";
  }
  waterline_to_end_of_sampling_distance {
    Float32 actual_range 1.0, 344.0;
    String ioos_category "Other";
    String units "meters";
  }
  wave_height {
    String ioos_category "Surface Waves";
    String units "NODC CODE 0362";
  }
  wave_period {
    Int32 actual_range 0, 11;
    String ioos_category "Surface Waves";
    String units "seconds";
  }
  wet_weight_of_analysis_aliquot {
    Float32 actual_range 0.0, 25000.0;
    String ioos_category "Contaminants";
    String units "grams";
  }
  wind_direction {
    String ioos_category "Wind";
    String units "NODC CODE 0110";
  }
  wind_speed {
    Float32 actual_range 0.0, 90.0;
    String ioos_category "Wind";
    String units "meters/second";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    Float64 Easternmost_Easting 58.9;
    Float64 geospatial_lat_max 72.93333;
    Float64 geospatial_lat_min -77.41666;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 58.9;
    Float64 geospatial_lon_min -178.7017;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-07-03T03:22:08Z (local files)
2022-07-03T03:22:08Z https://www.ncei.noaa.gov/tabledap/bedi_F144.das";
    String infoUrl "https://www.ncei.noaa.gov";
    String institution "NCEI";
    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.";
    Float64 Northernmost_Northing 72.93333;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -77.41666;
    String summary "Marine toxic substances and pollutants data recovered from old files that were derived from punched cards.  The recovery is part of the Big Earth Data Initiative Project.  Dataset ID F144";
    String title "BEDI Data Recovery: F144 Marine toxic substances and pollutants";
    Float64 Westernmost_Easting -178.7017;
  }
}

 

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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