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Dataset Title:  PacIOOS Ocean Gliders: SeaGlider 523: Mission 6 Subscribe RSS
Institution:  Pacific Islands Ocean Observing System (PacIOOS)   (Dataset ID: sg_523_006)
Range: longitude = -158.31729 to -155.67963°E, latitude = 20.909042 to 22.009926°N, altitude = -911.44244 to 0.16004874m, time = 2023-02-02T20:45:45Z to 2023-05-10T19:32:16Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | 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 {
  trajectory {
    String actual_range 
"sg_523_006
sg_523_006";
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
  }
  glider {
    String call_sign "SG523";
    String ioos_category "Identifier";
    String long_name "seaglider";
    String nodc_name "glider";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.67537074563e+9, 1.683747136679e+9;
    String axis "T";
    String comment "Time of the sample in GMT epoch format";
    String ioos_category "Time";
    String long_name "Time";
    String platform "glider";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float32 actual_range -911.44244, 0.16004874;
    String axis "Z";
    Float64 colorBarMaximum 0.0;
    String comment "Depth below the surface, corrected for average latitude";
    String ioos_category "Location";
    String long_name "Altitude";
    String platform "glider";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 20.909043121447983, 22.009926354467606;
    String axis "Y";
    String comment "Latitude of the sample based on gsm DAC";
    String ioos_category "Location";
    String long_name "Latitude";
    String platform "glider";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -158.3172945796877, -155.67962098401293;
    String axis "X";
    String comment "Longitude of the sample based on gsm DAC";
    String ioos_category "Location";
    String long_name "Longitude";
    String platform "glider";
    String standard_name "longitude";
    String units "degrees_east";
  }
  temperature {
    Float64 _FillValue NaN;
    Float64 actual_range 4.170135073517038, 26.07375913986491;
    Float64 colorBarMaximum 27.0;
    Float64 colorBarMinimum 3.0;
    String comment "Termperature (in situ) corrected for thermistor first-order lag";
    String coordinates "time longitude latitude altitude";
    String ioos_category "Temperature";
    String long_name "water temperature";
    String platform "glider";
    String standard_name "sea_water_temperature";
    String units "Celsius";
  }
  conductivity {
    Float64 _FillValue NaN;
    Float64 actual_range 3.2689314107486145, 5.364344112938278;
    Float64 colorBarMaximum 6.0;
    Float64 colorBarMinimum 3.0;
    String comment "Conductivity corrected for anomalies";
    String coordinates "time longitude latitude altitude";
    String ioos_category "Unknown";
    String long_name "conductivity";
    String platform "glider";
    String standard_name "sea_water_electrical_conductivity";
    String units "S m-1";
  }
  salinity {
    Float64 _FillValue NaN;
    Float64 actual_range 33.93099095796301, 35.61773454702701;
    Float64 colorBarMaximum 36.0;
    Float64 colorBarMinimum 34.0;
    String comment "Salinity corrected for thermal-inertia effects (PSU)";
    String coordinates "time longitude latitude altitude";
    String ioos_category "Salinity";
    String long_name "salinity PSU";
    String platform "glider";
    String standard_name "sea_water_salinity";
    String units "1e-3";
  }
  density {
    Float64 _FillValue NaN;
    Float64 actual_range 1022.7779186839206, 1027.3869526174694;
    Float64 colorBarMaximum 1028.0;
    Float64 colorBarMinimum 1023.0;
    String comment "Sea water potential density";
    String coordinates "time longitude latitude altitude";
    String ioos_category "Other";
    String long_name "density";
    String platform "glider";
    String ref_pressure "0";
    String standard_name "sea_water_density";
    String units "kg m-3";
  }
  pressure {
    Float64 _FillValue NaN;
    Float64 actual_range -0.39235731530980056, 919.2589070930231;
    Float64 colorBarMaximum 1000.0;
    Float64 colorBarMinimum 0.0;
    String comment "Pressure at CTD thermistor";
    String coordinates "time longitude latitude altitude";
    String ioos_category "Pressure";
    String long_name "pressure";
    String platform "glider";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  dive_number {
    Int32 actual_range 2, 436;
    String ioos_category "Identifier";
    String long_name "dive number";
    String units "1";
  }
 }
  NC_GLOBAL {
    String acknowledgement "The Pacific Islands Ocean Observing System (PacIOOS) is funded through the National Oceanic and Atmospheric Administration (NOAA) as a Regional Association within the U.S. Integrated Ocean Observing System (IOOS). PacIOOS is coordinated by the University of Hawaii School of Ocean and Earth Science and Technology (SOEST).";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory";
    String comment "Data produced by PacIOOS (info@pacioos.org).";
    String Conventions "CF-1.6, ACDD-1.3";
    String creator_email "info@pacioos.org";
    String creator_institution "Pacific Islands Ocean Observing System (PacIOOS)";
    String creator_name "Pacific Islands Ocean Observing System (PacIOOS)";
    String creator_type "institution";
    String creator_url "http://www.pacioos.hawaii.edu";
    String date_created "2023-02-02";
    String date_issued "2023-02-03";
    String date_metadata_modified "2023-05-12";
    String date_modified "2023-02-02";
    String defaultDataQuery "time,altitude,latitude,longitude,temperature,salinity,dive_number&time>=max(time)-1days";
    String defaultGraphQuery "longitude,latitude,temperature&.draw=markers&&.marker=3";
    Float64 Easternmost_Easting -155.67962098401293;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 22.009926354467606;
    Float64 geospatial_lat_min 20.909043121447983;
    String geospatial_lat_resolution "seconds";
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -155.67962098401293;
    Float64 geospatial_lon_min -158.3172945796877;
    String geospatial_lon_resolution "seconds";
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.1600487;
    Float64 geospatial_vertical_min -911.4424;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_resolution "centimeter";
    String geospatial_vertical_units "m";
    Int32 glider 523;
    String history 
"2023-02-02T20:45:45Z Deployed N. of Oahu.
2023-05-10T19:32:16Z Stopped reporting N. of Oahu.
2024-05-20T03:08:11Z http://hahana.soest.hawaii.edu/seagliders/
2024-05-20T03:08:11Z https://pae-paha.pacioos.hawaii.edu/tabledap/sg_523_006.das";
    String infoUrl "http://hahana.soest.hawaii.edu/seagliders/";
    String institution "Pacific Islands Ocean Observing System (PacIOOS)";
    String instrument "In Situ/Laboratory Instruments > Conductivity Sensors, In Situ/Laboratory Instruments > Pressure/Height Meters > > > Pressure Sensors, In Situ/Laboratory Instruments > Profilers/Sounders > > > CTD, In Situ/Laboratory Instruments > Temperature/Humidity Sensors > > > Temperature Sensors";
    String instrument_vocabulary "GCMD Instrument Keywords";
    String ISO_Topic_Categories "oceans";
    String keywords "Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Density, Earth Science > Oceans > Salinity/Density > Salinity";
    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, University of Hawaii, PacIOOS, NOAA, State of Hawaii 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 locations "Continent > North America > United States Of America > Hawaii, Ocean > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Oahu";
    String locations_vocabulary "GCMD Location Keywords";
    String metadata_link "https://www.pacioos.hawaii.edu/metadata/sg_523_006.html";
    Int32 mission 6;
    String naming_authority "org.pacioos";
    Float64 Northernmost_Northing 22.009926354467606;
    String platform "In Situ Ocean-based Platforms > > AUVs > Autonomous Underwater Vehicles, In Situ Ocean-based Platforms > > Seaglider";
    String platform_id "SG523";
    String platform_vocabulary "GCMD Platform Keywords";
    String processing_level "near real-time (nrt)";
    String program "Pacific Islands Ocean Observing System (PacIOOS)";
    String project "Pacific Islands Ocean Observing System (PacIOOS)";
    String publisher_email "info@pacioos.org";
    String publisher_institution "Pacific Islands Ocean Observing System (PacIOOS)";
    String publisher_name "Pacific Islands Ocean Observing System (PacIOOS)";
    String publisher_type "institution";
    String publisher_url "http://www.pacioos.hawaii.edu";
    String references "http://hahana.soest.hawaii.edu/seagliders/; https://apl.uw.edu/project/project.php?id=seaglider";
    Float32 seaglider_software_version 66.12;
    String source "APL/UW SeaGlider Autonomous Underwater Vehicle (AUV)";
    String sourceUrl "http://hahana.soest.hawaii.edu/seagliders/";
    Float64 Southernmost_Northing 20.909043121447983;
    String standard_name_vocabulary "CF Standard Name Table v39";
    String summary "As a part of PacIOOS, ocean gliders provide very detailed information about the physical and chemical condition of the waters around the Hawaiian Islands. Additionally, these data get used in computer models to make predictions about ocean conditions. Ocean gliders are small, free-swimming, unmanned vehicles that can cruise the ocean for several months gathering information about the temperature, salinity, and other water properties between the surface and 1000 m depth. A pressure sensor on the glider is able to record the depth throughout the dive. Because gliders are unmanned, they communicate with scientists on land when they are at the surface using an antenna on the end of the glider. The SeaGlider autonomous underwater vehicle (AUV) was designed at the University of Washington (UW) Applied Physics Laboratory (APL). These data are taken from Mission 6 of SeaGlider 523.";
    String time_coverage_end "2023-05-10T19:32:16Z";
    String time_coverage_resolution "PT1S";
    String time_coverage_start "2023-02-02T20:45:45Z";
    String title "PacIOOS Ocean Gliders: SeaGlider 523: Mission 6";
    Float64 Westernmost_Easting -158.3172945796877;
  }
}

 

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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