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Dataset Title:  dfo-marvin1003-20250430T2208 Subscribe RSS
Institution:  C-PROOF   (Dataset ID: dfo-marvin1003-20250430_delayed_erddap)
Range: longitude = -131.05638 to -125.13653°E, latitude = 47.024326 to 48.88951°N, depth = -0.14367335 to 1020.8914m, time = 2025-04-30T22:08:09Z to 2025-07-08T23:13:44Z
Information:  Summary ? | License ? | 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 {
  trajectory {
    UInt32 _ChunkSizes 1477639, 8;
    String cf_role "trajectory_id";
    String comment "A trajectory is a single deployment of a glider and may span multiple data files.";
    String long_name "Trajectory/Deployment Name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.746050889721e+9, 1.752016424272e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String observation_type "measured";
    String source "sci_m_present_time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    UInt32 _ChunkSizes 1970185;
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 47.0243268615207, 48.8895116133998;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String comment "values linearly interpolated between GPS fixes";
    String coordinate_reference_frame "urn:ogc:crs:EPSG::4326";
    String coordinates "time";
    String ioos_category "Location";
    String long_name "Latitude";
    String observation_type "measured";
    String platform "platform";
    String reference "WGS84";
    String references "WGS84";
    String source "m_gps_lat";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    UInt32 _ChunkSizes 1970185;
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -131.05637807798774, -125.13652666666667;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String comment "values linearly interpolated between GPS fixes";
    String coordinate_reference_frame "urn:ogc:crs:EPSG::4326";
    String coordinates "time";
    String ioos_category "Location";
    String long_name "Longitude";
    String observation_type "measured";
    String platform "platform";
    String reference "WGS84";
    String references "WGS84";
    String source "m_gps_lon";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  depth {
    UInt32 _ChunkSizes 1970185;
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 accuracy 1.0;
    Float64 actual_range -0.14367334354816597, 1020.8914376512365;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String comment "from science pressure and interpolated";
    String instrument "instrument_ctd";
    String ioos_category "Location";
    String long_name "glider depth";
    String observation_type "calulated";
    String platform "platform";
    String positive "down";
    Float64 precision 2.0;
    String reference_datum "surface";
    Float64 resolution 0.02;
    String source "pressure";
    String standard_name "depth";
    String units "m";
    Float64 valid_max 2000.0;
    Float64 valid_min 0.0;
  }
  heading {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range 2.477128345151449e-4, 6.280227461411725;
    String coordinates "time";
    String long_name "glider heading angle";
    String platform "platform";
    String source "m_heading";
    String standard_name "platform_orientation";
    String units "rad";
  }
  pitch {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -0.9235191156035663, 0.9819556005311917;
    String coordinates "time";
    String long_name "glider pitch angle";
    String platform "platform";
    String source "m_pitch";
    String standard_name "platform_pitch_angle";
    String units "rad";
  }
  roll {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -0.34248031075773483, 0.23420382994901315;
    String coordinates "time";
    String long_name "glider roll angle";
    String platform "platform";
    String source "m_roll";
    String standard_name "platform_roll_angle";
    String units "rad";
  }
  waypoint_latitude {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 48.889;
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String coordinates "time";
    String long_name "waypoint latitude";
    String platform "platform";
    String source "c_wpt_lat";
    String standard_name "latitude";
    String units "degree_north";
  }
  waypoint_longitude {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -131.1499998591002, 0.0;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String coordinates "time";
    String long_name "waypoint longitude";
    String platform "platform";
    String source "c_wpt_lon";
    String standard_name "longitude";
    String units "degree_east";
  }
  conductivity {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    String accuracy "0.0003";
    Float64 actual_range -7.999999797903001e-5, 3.9682400226593018;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String coordinates "time";
    String instrument "instrument_ctd";
    String long_name "water conductivity";
    Float64 missing_value NaN;
    String observation_type "measured";
    String platform "platform";
    String precision "0.0001";
    String resolution "0.0001";
    String source "sci_water_cond";
    String standard_name "sea_water_electrical_conductivity";
    String units "S m-1";
    Float64 valid_max 10.0;
    Float64 valid_min 0.0;
  }
  temperature {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    String accuracy "0.002";
    Float64 actual_range 3.222599983215332, 16.735599517822266;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "time";
    String instrument "instrument_ctd";
    String long_name "water temperature";
    Float64 missing_value NaN;
    String observation_type "measured";
    String platform "platform";
    String precision "0.00005";
    String resolution "0.00005";
    String source "sci_water_temp";
    String standard_name "sea_water_temperature";
    String units "Celsius";
    Float64 valid_max 50.0;
    Float64 valid_min -5.0;
  }
  pressure {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    String accuracy "0.5";
    Float64 actual_range -0.1448999997228384, 1032.0223999023438;
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String comment "ctd pressure sensor";
    String conversion "bar2dbar";
    String coordinates "time";
    String instrument "instrument_ctd";
    String long_name "water pressure";
    Float64 missing_value NaN;
    String observation_type "measured";
    String platform "platform";
    String positive "down";
    String precision "0.01";
    String reference_datum "sea-surface";
    String resolution "0.01";
    String source "sci_water_pressure";
    String standard_name "sea_water_pressure";
    String units "dbar";
    Float64 valid_max 2000.0;
    Float64 valid_min 0.0;
  }
  chlorophyll {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -2.095099925994873, 29.80590057373047;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String coordinates "time";
    String long_name "chlorophyll";
    Float64 missing_value NaN;
    String platform "platform";
    String source "sci_flbbcd_chlor_units";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "mg m-3";
  }
  cdom {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -23.594900131225586, 371.68798828125;
    String coordinates "time";
    String long_name "CDOM";
    Float64 missing_value NaN;
    String platform "platform";
    String source "sci_flbbcd_cdom_units";
    String units "ppb";
  }
  backscatter_700 {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -6.559200119227171e-5, 0.007439225912094116;
    String coordinates "time";
    String long_name "700 nm wavelength backscatter";
    Float64 missing_value NaN;
    String platform "platform";
    String source "sci_flbbcd_bb_units";
    String units "1";
  }
  oxygen_concentration {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -6.559200119227171e-5, 0.007439225912094116;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum 0.0;
    String comments "oxygen deployed on mount near tail";
    String coordinates "time";
    String long_name "oxygen concentration";
    Float64 missing_value NaN;
    String platform "platform";
    String source "sci_oxy4_oxygen";
    String standard_name "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water";
    String units "umol l-1";
  }
  distance_over_ground {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 1780.978006052101;
    String long_name "distance over ground flown since mission start";
    String method "get_distance_over_ground";
    String sources "latitude longitude";
    String units "km";
  }
  salinity {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 accuracy 0.01;
    Float64 actual_range 21.132378496241362, 34.40016943572877;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String comment "raw, uncorrected salinity";
    String instrument "instrument_ctd";
    String long_name "water salinity";
    String method "get_derived_eos_raw";
    Float64 missing_value NaN;
    String observation_type "calulated";
    String platform "platform";
    Float64 precision 0.01;
    Float64 resolution 0.001;
    String sources "conductivity temperature pressure";
    String standard_name "sea_water_practical_salinity";
    String units "1e-3";
    Float64 valid_max 40.0;
    Float64 valid_min 0.0;
  }
  potential_density {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 accuracy 0.01;
    Float64 actual_range 1016.0388669970713, 1027.3944790709568;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String comment "raw, uncorrected salinity";
    String instrument "instrument_ctd";
    String long_name "water potential density";
    String method "get_derived_eos_raw";
    Float64 missing_value NaN;
    String observation_type "calulated";
    String platform "platform";
    Float64 precision 0.01;
    Float64 resolution 0.001;
    String sources "salinity temperature pressure";
    String standard_name "sea_water_potential_density";
    String units "kg m-3";
  }
  density {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 accuracy 0.01;
    Float64 actual_range 1015.9962898229121, 1031.9819270920098;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String comment "raw, uncorrected salinity";
    String instrument "instrument_ctd";
    String long_name "Density";
    String method "get_derived_eos_raw";
    Float64 missing_value NaN;
    String observation_type "calulated";
    String platform "platform";
    Float64 precision 0.01;
    Float64 resolution 0.001;
    String sources "salinity temperature pressure";
    String standard_name "sea_water_density";
    String units "kg m-3";
    Float64 valid_max 1040.0;
    Float64 valid_min 990.0;
  }
  potential_temperature {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 accuracy 0.002;
    Float64 actual_range 3.151839510030061, 16.735593880300705;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String comment "raw, uncorrected salinity";
    String instrument "instrument_ctd";
    String long_name "water potential temperature";
    String method "get_derived_eos_raw";
    Float64 missing_value NaN;
    String observation_type "calulated";
    String platform "platform";
    Float64 precision 0.001;
    Float64 resolution 1.0e-4;
    String sources "salinity temperature pressure";
    String standard_name "sea_water_potential_temperature";
    String units "Celsius";
  }
  profile_index {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -0.0, 1899.0;
    String comment "N = inside profile N, N + 0.5 = between profiles N and N + 1";
    Float64 filt_length 20;
    String long_name "profile index";
    String method "get_profiles_new";
    Float64 min_dp 10.0;
    Float64 min_nsamples 100;
    Float64 missing_value NaN;
    String sources "time pressure";
    String units "1";
  }
  profile_direction {
    UInt32 _ChunkSizes 1970185;
    Float64 _FillValue NaN;
    Float64 actual_range -1.0, 1.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String comment "-1 = ascending, 0 = inflecting or stalled, 1 = descending";
    String long_name "glider vertical speed direction";
    String method "get_profiles_new";
    Float64 missing_value NaN;
    String sources "time pressure";
    String units "1";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.9.3,hdf5=1.14.6";
    String acknowledgement "Funding from Fisheries and Oceans Canada, Canadian Foundation for Innovation, BC Knowledge Development Fund";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory";
    String citation "Klymak, J., & Ross, T. (2025). C-PROOF Underwater Glider Deployment Datasets [Data set]. Canadian-Pacific Robotic Ocean Observing Facility. doi:10.82534/44DS-K310";
    String comment "Southern Line";
    String contributor_name "James Pegg, Tetjana Ross, Jody Klymak, Nicholas Harper";
    String contributor_role "Lead Technician, Principal Investigator, Principal Investigator, Glider Technician";
    String Conventions "CF-1.8";
    String creator_email "jklymak@uvic.ca";
    String creator_name "Jody Klymak";
    String creator_type "person";
    String creator_url "https://cproof.uvic.ca";
    String ctd "{'make': 'RBR', 'model': 'RBRlegato3 CTD', 'serial': '208551', 'long_name': 'RBRlegato3 CTD', 'make_model': 'RBR RBRlegato3 CTD', 'calibration_date': '03-Feb-2022', 'calibration_report': ' ', 'comment': ' '}";
    String data_mode "P";
    String date_created "2025-07-09T15:36:23Z";
    String date_issued "2025-07-09T15:36:23Z";
    String deployment_end "2025-07-08T23:13:44";
    String deployment_id "14";
    String deployment_latitude "48.859";
    String deployment_longitude "-125.266";
    String deployment_name "dfo-marvin1003-20250430";
    String deployment_start "2025-04-30T22:08:09";
    String deployment_station "Barkley Sound";
    String deployment_vessel "VelellaVellela";
    Float64 Easternmost_Easting -125.13652666666667;
    String featureType "Trajectory";
    String format_version "IOOS_Glider_NetCDF_v2.0.nc";
    Float64 geospatial_lat_max 48.8895116133998;
    Float64 geospatial_lat_min 47.0243268615207;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -125.13652666666667;
    Float64 geospatial_lon_min -131.05637807798774;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 1020.8914376512365;
    Float64 geospatial_vertical_min -0.14367334354816597;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String glider_instrument_name "slocum";
    String glider_model "Slocum G3 Deep";
    String glider_name "dfo-marvin";
    String glider_serial "1003";
    String glider_wmo "8900997";
    String history 
"CPROOF glider toolbox pyglider version: 0.0.7
2025-12-06T06:53:52Z (local files)
2025-12-06T06:53:52Z https://erddap-test.taimaz.ca/tabledap/dfo-marvin1003-20250430_delayed_erddap.das";
    String id "dfo-marvin1003-20250430T2208";
    String infoUrl "https://cproof.uvic.ca";
    String institution "C-PROOF";
    String keywords "Autonomous Underwater Vehicles, AUVS, Conductivity, Density, Ocean Pressure, Ocean Temperature, Oceans, Salinity, Salinity/Density, Water Pressure, Water Temperature";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY-4.0";
    String line_id "Southern";
    String line_id_vocabulary "https://cproof.uvic.ca/observatory/cproof_line_vocab.yml";
    String Metadata_Conventions "CF-1.6, Unidata Dataset Discovery v1.0";
    String metadata_link "https://cproof.uvic.ca";
    String naming_authority "ca.uvic.cproof";
    String netcdf_version "4.0";
    String network "OceanGliders > BOON > Northeast Pacific Ocean > C-PROOF, IOOS";
    Float64 Northernmost_Northing 48.8895116133998;
    String optics "{'make': 'Wetlabs', 'model': 'FLBBCDSLC', 'serial': '8431', 'calibration_date': ' ', 'calibration_report': ' '}";
    String platform_type "Slocum Glider";
    String pressure "{'make': 'Micron', 'model': 'Pressure', 'serial': '131919'}";
    String processing_level "Level 0 (L0) processed data timeseries; no corrections or data screening";
    String project "Southern Line";
    String project_url "https://";
    String publisher_email "jklymak@uvic.ca";
    String publisher_name "Jody Klymak";
    String publisher_type "person";
    String publisher_url "https://cproof.uvic.ca";
    String references "https://doi.org/10.82534/44DS-K310";
    String sea_name "Coastal Waters of Southeast Alaska and British Columbia";
    String source "Observational data from a profiling glider.";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 47.0243268615207;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "trajectory";
    String summary "Southern line deployment - 4 transects approximately 400 km offshore of P4 perpendicular to the coast.  Deployed from Bamfield.  O2 with oxygen sensor deployed near tail so out of water for surfacings. O2 failed 2025-03-22 and was turned off.";
    String time_coverage_end "2025-07-08T23:13:44Z";
    String time_coverage_start "2025-04-30T22:08:09Z";
    String title "dfo-marvin1003-20250430T2208";
    String transmission_system "IRIDIUM";
    Float64 Westernmost_Easting -131.05637807798774;
    String wmo_id "8900997";
  }
}

 

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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