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Dataset Title:  Time-series oceanographic data from the Monterey Canyon, CA October 2015,
March 2017, CCE15M2A03ctd
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Institution:  USGS Coastal and Marine Geology Program   (Dataset ID: CCE15M2A03ctd)
Range: longitude = -121.9034 to -121.9034°E, latitude = 36.78827 to 36.78827°N, depth = 518.7 to 518.7m, time = 2015-10-05T19:35:01Z to 2016-04-04T20:14:01Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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Y Axis: 
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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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.444073701e+9, 1.459800841e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "time of measurement";
    String standard_name "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 actual_range 518.7, 518.7;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    Int32 epic_code 3;
    String FORTRAN_format "F10.2";
    String ioos_category "Location";
    String long_name "depth of sensor below mean water level";
    String positive "down";
    String source_name "z";
    String standard_name "depth";
    String type "EVEN";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 36.78827, 36.78827;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String DATUM "NAD83";
    Int32 epic_code 500;
    String FORTRAN_format "F10.2";
    String generic_name "lat";
    String ioos_category "Location";
    String long_name "sensor latitude";
    String name "LAT";
    String standard_name "latitude";
    String type "EVEN";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -121.9034, -121.9034;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String DATUM "NAD83";
    Int32 epic_code 502;
    String FORTRAN_format "F10.2";
    String generic_name "lon";
    String ioos_category "Location";
    String long_name "sensor longitude";
    String name "LON";
    String standard_name "longitude";
    String type "EVEN";
    String units "degrees_east";
  }
  T_28 {
    Float32 _FillValue 1.0e+35;
    Float32 actual_range 4.953, 7.4569;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 20;
    String FORTRAN_format "f10.2";
    String generic_name "temp";
    String ioos_category "Temperature";
    String long_name "TEMPERATURE (C)";
    String name "T";
    String serial_number "12354";
    String standard_name "sea_water_temperature";
    String units "degree_C";
    Float32 valid_range 0.0, 100.0;
  }
  C_51 {
    Float32 _FillValue 1.0e+35;
    Float32 actual_range 3.141088, 3.496242;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 51;
    String FORTRAN_format "f10.3";
    String generic_name "con";
    String ioos_category "Salinity";
    String long_name "CONDUCTIVITY";
    String name "C";
    String serial_number "12354";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
    Float32 valid_range 0.0, 10.0;
  }
  S_41 {
    Float32 _FillValue 1.0e+35;
    Float32 actual_range 31.4837, 34.682;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 41;
    String FORTRAN_format "f10.2";
    String generic_name "sal";
    String ioos_category "Salinity";
    String long_name "SALINITY (PSU)";
    String name "S";
    String serial_number "12354";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
    Float32 valid_range 0.0, 40.0;
  }
  P_1 {
    Float32 _FillValue 1.0e+35;
    Float32 actual_range 520.021, 529.598;
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1;
    String FORTRAN_format "f10.1";
    String generic_name "depth";
    String ioos_category "Pressure";
    String long_name "PRESSURE (DB)";
    String name "P";
    String serial_number "12354";
    String standard_name "sea_water_pressure";
    String units "dbar";
    Float32 valid_range 0.0, 10000.0;
  }
  ST_70 {
    Float32 _FillValue 1.0e+35;
    Float32 actual_range 24.7869, 27.37;
    Float64 colorBarMaximum 200.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 70;
    String FORTRAN_format "f10.2";
    String generic_name "den";
    String ioos_category "Unknown";
    String long_name "SIGMA-T (KG/M**3)";
    String name "ST";
    String serial_number "12354";
    String standard_name "sea_water_sigma_t";
    String units "kg m-3";
    Float32 valid_range 0.0, 100.0;
  }
  feature_type_instance {
    String cf_role "timeseries_id";
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Identifier";
    String long_name "Feature Type Instance";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.7.4,hdf5=1.10.6";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "feature_type_instance, latitude, longitude";
    Float64 clock_error 6.0;
    String clock_error_units "Seconds";
    String CollaboratingAgency "MBARI, NERC";
    String Conventions "CF-1.6, ACDD-1.3, COARDS";
    String COORD_SYSTEM "GEOGRAPHIC";
    String creator_name "USGS Coastal and Marine Geology Program";
    String creator_type "institution";
    String creator_url "https://www.usgs.gov/";
    String CruiseID "2015-619-FA";
    String DATA_CMNT "CCE 2015 MS2 Sediment Trap microcat, Deployment A";
    String DATA_ORIGIN "USGS/PCMSC";
    String DATA_SUBTYPE "MOORED";
    String DATA_TYPE "TIME";
    String datasetID "CCE15M2A03ctd";
    String date_created "2020-07-16T22:16:35.769Z";
    String DELTA_T "60";
    String Deployment_date "05-Oct-2015 19:35";
    String DESCRIPT "Coordinated Canyon Experiment, 2015";
    String DESCRIPTION "500m NERC mooring";
    Float64 Easternmost_Easting -121.9034;
    String EXPERIMENT "CCE";
    String experiment_id "CCE15";
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 36.78827;
    Float64 geospatial_lat_min 36.78827;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -121.9034;
    Float64 geospatial_lon_min -121.9034;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 518.7;
    Float64 geospatial_vertical_min 518.7;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Imported from ScienceBase data release and converted to CF using process_F7FT8J7Q.ipynb;
2024-02-21T17:33:05Z (local files)
2024-02-21T17:33:05Z https://geoport.usgs.esipfed.org/tabledap/CCE15M2A03ctd.das";
    String id "CCE15M2A03ctd";
    String infoUrl "https://doi.org/10.5066/F7FT8J7Q";
    Float64 initial_instrument_height 9.0;
    String INST_TYPE "Seabird SBE-37";
    String institution "USGS Coastal and Marine Geology Program";
    String instrument_serial_number "12354";
    String keywords "C_51, canyon, cce15m2a03ctd, coastal, conductivity, data, density, depth, earth, 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, electrical, feature, feature_type_instance, geological, geology, identifier, instance, kg/m**3, latitude, longitude, m**3, marine, measurement, monterey, ocean, oceanographic, oceanography, oceans, P_1, practical, pressure, program, psu, S_41, salinity, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_pressure, sea_water_sigma_t, sea_water_temperature, seawater, sediment transport, sensor, series, sigma, sigma-t, ST_70, states, survey, T_28, temperature, time, time-series, type, unit, united, usgs, water";
    String keywords_vocabulary "GCMD Science Keywords";
    Float64 latitude 36.78827;
    String LatLonDatum "NAD83";
    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 longitude -121.9034;
    Float64 magnetic_variation 13.4;
    String metadata_link "https://doi.org/10.5066/F7FT8J7Q";
    String metafile_author "Joanne Ferreira, USGS PCMSC";
    Float64 metafile_version 1.0;
    String MOORING "CCE15M2A";
    String naming_authority "gov.usgs.cmgp";
    Float64 nominal_sensor_depth 518.7;
    Float64 Northernmost_Northing 36.78827;
    String platform_type "Subsurface";
    String program "Sediment Transport in Coastal Environments";
    String project "CMG_Portal";
    String publisher_url "https://www.usgs.gov/";
    String Recovery_date "04-Apr-2016 20:15";
    String Region "Monterey Bay";
    Float64 samp_rate 60.0;
    String SciPi "Katie Coble, Kurt Rosenberger";
    String Site "MS2";
    String source "USGS";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 36.78827;
    String standard_name_vocabulary "CF Standard Name Table v66";
    String subsetVariables "depth, latitude, longitude, feature_type_instance";
    String summary 
"Time-series oceanographic data from the Monterey Canyon, CA October 2015 - March 2017 - CCE15M2A03ctd. Time-series data of water depth, velocity, turbidity, and temperature were acquired between 5 October 2015 and 21 March 2017 within the Monterey Canyon off of Monterey, CA, USA.

In order to better understand the triggering, progression and evolution of turbidity currents in Monterey Submarine Canyon, an experiment was designed to directly measure velocity, suspended sediment and physical water properties (temperature, salinity and density) along the canyon axis during an 18-month period.

Three moorings in the upper canyon (MS1, MS2, MS3) containing oceanographic instruments and Anderson- type sediment traps were deployed during three consecutive six-month periods (A: October 2015 - April 2016; B: April - October 2016; C: October 2016 - March 2017). In addition, a bottom platform to the South of the canyon head (MS0) housed instrumentation to measure currents and waves on the adjacent shelf. The mooring diagram image files are a generalized representation of the deployed instrumentation at each site, and are included as a visual aid for understanding the sampling environment. A text file of the specific sensors listing the parameters measured is also included.";
    String time_coverage_duration "P182DT0H39M0S";
    String time_coverage_end "2016-04-04T20:14:01Z";
    String time_coverage_resolution "P0DT0H1M0S";
    String time_coverage_start "2015-10-05T19:35:01Z";
    String title "Time-series oceanographic data from the Monterey Canyon, CA October 2015, March 2017, CCE15M2A03ctd";
    String VAR_DESC "P:T:C:S:STH";
    Float64 WATER_DEPTH 527.7;
    String WATER_DEPTH_SOURCE "MBARI Multibeam Bathy";
    String WATER_DEPTH_source "MBARI Multibeam Bathy";
    Float64 Westernmost_Easting -121.9034;
  }
}

 

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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