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Dataset Title:  Loop Current Observations in the Eastern Gulf of Mexico - SAIC Mooring
Data (Scalars) Subscribe RSS
Institution:  SAIC, 615 Oberlin Rd #100, Raleigh NC 27605   (Dataset ID: ac25at_d)
Range: longitude = -85.64869 to -85.64869°E, latitude = 26.17894 to 26.17894°N, depth = 450.0 to 450.0m, time = 2009-04-22T21:00:00Z to 2011-10-27T12:00:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | 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 {
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue NaN;
    Float32 actual_range 26.178942, 26.178942;
    String axis "Y";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/latitude";
    String units "degrees_north";
    Float32 valid_max 26.178942;
    Float32 valid_min 26.178942;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue NaN;
    Float32 actual_range -85.64869, -85.64869;
    String axis "X";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/longitude";
    String units "degrees_east";
    Float32 valid_max -85.64869;
    Float32 valid_min -85.64869;
  }
  WaterDepth {
    Float32 _FillValue NaN;
    Float32 actual_range 3250.0, 3250.0;
    String coverage_content_type "referenceInformation";
    String ioos_category "Location";
    String long_name "Water Column Depth";
    String standard_name "depth";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/depth";
    String units "m";
    Float32 valid_max 3250.0;
    Float32 valid_min 3250.0;
  }
  InstDepth {
    Float32 _FillValue NaN;
    Float32 actual_range 450.0, 450.0;
    String coverage_content_type "referenceInformation";
    String ioos_category "Location";
    String long_name "Instrument Deployment Depth";
    String standard_name "depth";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/depth";
    String units "m";
    Float32 valid_max 450.0;
    Float32 valid_min 450.0;
  }
  delta_t {
    Float32 _FillValue NaN;
    Float32 actual_range 60.0, 60.0;
    String coverage_content_type "referenceInformation";
    String ioos_category "Time";
    String long_name "Time Step";
    String standard_name "unknown";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/unknown";
    String units "minutes";
    Float32 valid_max 60.0;
    Float32 valid_min 60.0;
  }
  npts {
    Int32 actual_range 22024, 22024;
    String coverage_content_type "auxiliaryInformation";
    String ioos_category "Other";
    String long_name "Number of Time Records";
    String standard_name "unknown";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/unknown";
    Int32 valid_max 22024;
    Int32 valid_min 22024;
  }
  time {
    UInt32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.240434e+9, 1.3197168e+9;
    String axis "T";
    String coverage_content_type "coordinate";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue NaN;
    Float32 actual_range 450.0, 450.0;
    String axis "Z";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Depth below Surface of Measurements (data) or ADCP bin";
    String positive "down";
    String standard_name "depth";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/depth";
    String units "m";
  }
  T_var {
    UInt32 _ChunkSizes 1, 1;
    Float32 _FillValue 999.0;
    Float32 actual_range 6.66, 16.02;
    String ancillary_variables "T_var_flag";
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Temperature";
    String long_name "TEMPERATURE (WATER)";
    String standard_name "sea_water_temperature";
    String units "degC";
    Float32 valid_max 16.02;
    Float32 valid_min 6.66;
  }
  T_var_flag {
    UInt32 _ChunkSizes 1, 1;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "original(instrument)_value interpolated/modified_value";
    Byte flag_values 0, 1;
    String ioos_category "Quality";
    String standard_name_url "https://mmisw.org/ont/cf/parameter/status_flag";
    Byte valid_max 1;
    Byte valid_min 0;
  }
  P_var {
    UInt32 _ChunkSizes 1, 1;
    Float32 _FillValue 999.0;
    Float32 actual_range 428.3, 630.5;
    String ancillary_variables "P_var_flag";
    String ioos_category "Pressure";
    String long_name "PRESSURE (WATER)";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/sea_water_pressure";
    String units "dbar";
    Float32 valid_max 630.5;
    Float32 valid_min 428.3;
  }
  P_var_flag {
    UInt32 _ChunkSizes 1, 1;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "original(instrument)_value interpolated/modified_value";
    Byte flag_values 0, 1;
    String ioos_category "Quality";
    String standard_name_url "https://mmisw.org/ont/cf/parameter/status_flag";
    Byte valid_max 1;
    Byte valid_min 0;
  }
  timeseries_id_dim {
    String ioos_category "Identifier";
  }
  timeseries {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Time series ID";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.6.3,hdf5=1.10.4";
    String acknowledgement "N/A";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "time,T_var,T_var_flag,P_var,P_var_flag,timeseries_id_dim,timeseries";
    String contributor_email "devops@rpsgroup.com";
    String contributor_name "RPS";
    String contributor_role "editor";
    String contributor_role_vocabulary "https://vocab.nerc.ac.uk/collection/G04/current/";
    String contributor_url "rpsgroup.com";
    String Conventions "ACDD-1.3,COARDS,CF-1.7";
    String creator_address "615 Oberlin Rd #100";
    String creator_city "Raleigh";
    String creator_country "USA";
    String creator_institution "SAIC";
    String creator_name "PETER HAMILTON";
    String creator_postalcode "27605";
    String creator_state "NC";
    String creator_type "group";
    String creator_url "N/A";
    String DATA_CMNT "LOOP CURRENT, C2, ADCP, CONCAT 1 & 2";
    String DATA_ORIGIN "SAIC/Raleigh NC";
    String date_created "2012-03-20";
    String date_issued "2012-03-20";
    String date_modified "2012-03-27";
    String Date_Time_Format "yyyy-mm-dd hh:mm:ss";
    String DESCRIPT "LOOP CURRENT, C2, ADCP";
    String Disclaimer "Data carry no warranty of any kind and SAIC is not responsible for consequent use";
    Float64 Easternmost_Easting -85.64869;
    String featureType "TimeSeries";
    String Filter "NONE";
    String geospatial_bounds "MULTIPOINT (-85.64869   26.178942)";
    String geospatial_bounds_crs "EPSG:4326";
    String geospatial_bounds_vertical_crs "EPSG:5831";
    Float64 geospatial_lat_max 26.17894;
    Float64 geospatial_lat_min 26.17894;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -85.64869;
    Float64 geospatial_lon_min -85.64869;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 450.0;
    Float64 geospatial_vertical_min 450.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Original File Last Updated by SAIC/Raleigh on 2012-03-20. Translated to netcdf on 2012-03-27
2024-12-21T11:33:52Z (local files)
2024-12-21T11:33:52Z https://gcoos5.geos.tamu.edu/tabledap/ac25at_d.das";
    String id "ac25at.d";
    String infoUrl "https://gcoos.org";
    String INST_MANUFACT "RDI 75KHZ LONG RANGER";
    String INST_SERIAL_NO "4914";
    String institution "SAIC, 615 Oberlin Rd #100, Raleigh NC 27605";
    String instrument "ADCP, ADCP";
    String keywords "Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity";
    String license "These data may be redistributed and used without restriction.";
    String naming_authority "edu.tamucc.gulfhub";
    Float64 Northernmost_Northing 26.17894;
    String PI "PETER HAMILTON";
    String platform "mooring";
    String platform_id "C2";
    String platform_vocabulary "GCMD Keywords Version 8.7";
    String processing_level "Raw data (basic data from the instrument) has the following processing: calibrations applied; resolved in-water start/stop times, magnetic variation corrections applied and any single point spikes removed. Files with a ‘_1’ in the 7th and 8th positions of the filenames are interpolated data, taking the 120-minute sampling interval of some instruments and linearly interpolating it to 60 minutes.";
    String product_version "Final";
    String program "Loop Current Observations in the Eastern Gulf of Mexico (funding: BOEM)";
    String PROJECT "LOOP CURRENT STUDY";
    String project "Observations and Dynamics of the Loop Current";
    String publisher_address "6300 Ocean Drive, Unit 5869";
    String publisher_city "Corpus Christi";
    String publisher_country "USA";
    String publisher_email "info@gcoos.org";
    String publisher_institution "Harte Research Institute, Texas A&M University Corpus Christi";
    String publisher_name "Gulf of Mexico Coastal Ocean Observing System (GCOOS)";
    String publisher_phone "(361) 825 3454";
    String publisher_postalcode "78412";
    String publisher_state "Texas";
    String publisher_type "group";
    String publisher_url "gcoos.org";
    String references "http://www.saicocean.com/SAICdocs/";
    String SAIC_Filename "AC25AT.D";
    String SAIC_Time_Series_ID "LC-C2-5";
    String source "observation";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 26.17894;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String Start_Time "2009-04-22 21:00:00";
    String Stop_Time "2011-10-27 12:00:00";
    String subsetVariables "time, latitude, longitude, WaterDepth, InstDepth, delta_t, npts";
    String summary "Phsyical Oceanographic Circulation Study";
    String time_coverage_duration "P0002-06-04T15:00:00";
    String time_coverage_end "2011-10-27T12:00:00Z";
    String time_coverage_resolution "P0000-00-00T01:00:00";
    String time_coverage_start "2009-04-22T21:00:00Z";
    String Time_Zone "GMT";
    String title "Loop Current Observations in the Eastern Gulf of Mexico - SAIC Mooring Data (Scalars)";
    String Type "Scalar";
    Float64 Westernmost_Easting -85.64869;
  }
}

 

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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