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Dataset Title:	Trajectory - R4.x268.000.0021 - 20150916-000001_all - 28.87N, 88.49W - 2015-09- 16
Institution:	University of Southern Mississippi / Department of Marine Science   (Dataset ID: R4_x268_000_0021_20150916_000001_all)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Subset | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum    or a List of Values	Maximum
trajectory (20150916-000001 All)	!= =~ <= >= = < >		!= =~ <= >= = < >		NaN
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2015-09-16T00:00:01Z	2015-09-16T23:59:59Z
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		28.6786	29.0714
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-88.6468	-88.333
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		NaN
speed_over_ground (ships speed over ground, knots)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0408	10.8615
course_over_ground (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	360.0
heading (platform heading, degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	359.95
ashtech_heading (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		-1000.0	360.0
speed_log_forward_track (knots)	!= =~ <= >= = < >		!= =~ <= >= = < >		-1.6	9.3
air_pressure (mbar)	!= =~ <= >= = < >		!= =~ <= >= = < >		1015.3455	1019.0654
air_temperature (degree_Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		26.1815	47.5881
relative_humidity (relative Humidity [%], percent)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.5	99.9
relative_wind_direction (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	360.0
relative_wind_speed (knots)	!= =~ <= >= = < >		!= =~ <= >= = < >		3.7559	28.0893
true_wind_direction (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		43.6327	116.0454
true_wind_speed (knots)	!= =~ <= >= = < >		!= =~ <= >= = < >		5.7318	25.86
long_wave_radiation (watt m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		913.5857	1018.0071
short_wave_radiation (watt m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		1463.7656	2026.13
photosynthetically_active_radiation (uE m-2 s-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	3561.9665
solar_UV_irradiance (watt m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-18.3381	1172.4709
sea_water_temperature (degree_Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		28.239	29.174
sea_water_electrical_conductivity (S m-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		5.2002	5.5892
sea_water_salinity (PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >		31.779	33.949
Chlorophyll_fluorescence (ug l-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	38.4
transmissometer_Volts (volts)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	3.96
transmissivity (percent)	!= =~ <= >= = < >		!= =~ <= >= = < >		3.54	3.96
platform (RV_Point_Sur)	!= =~ <= >= = < >		!= =~ <= >= = < >		NaN
instrument (underway sensors)	!= =~ <= >= = < >		!= =~ <= >= = < >		"\u0000"
crs	!= =~ <= >= = < >		!= =~ <= >= = < >		NaN

 

Server-side Functions

distinct()

orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean (" trajectory time latitude longitude depth speed_over_ground course_over_ground heading ashtech_heading speed_log_forward_track air_pressure air_temperature relative_humidity relative_wind_direction relative_wind_speed true_wind_direction true_wind_speed long_wave_radiation short_wave_radiation photosynthetically_active_radiation solar_UV_irradiance sea_water_temperature sea_water_electrical_conductivity sea_water_salinity Chlorophyll_fluorescence transmissometer_Volts transmissivity platform instrument crs trajectory time latitude longitude depth speed_over_ground course_over_ground heading ashtech_heading speed_log_forward_track air_pressure air_temperature relative_humidity relative_wind_direction relative_wind_speed true_wind_direction true_wind_speed long_wave_radiation short_wave_radiation photosynthetically_active_radiation solar_UV_irradiance sea_water_temperature sea_water_electrical_conductivity sea_water_salinity Chlorophyll_fluorescence transmissometer_Volts transmissivity platform instrument crs trajectory time latitude longitude depth speed_over_ground course_over_ground heading ashtech_heading speed_log_forward_track air_pressure air_temperature relative_humidity relative_wind_direction relative_wind_speed true_wind_direction true_wind_speed long_wave_radiation short_wave_radiation photosynthetically_active_radiation solar_UV_irradiance sea_water_temperature sea_water_electrical_conductivity sea_water_salinity Chlorophyll_fluorescence transmissometer_Volts transmissivity platform instrument crs trajectory time latitude longitude depth speed_over_ground course_over_ground heading ashtech_heading speed_log_forward_track air_pressure air_temperature relative_humidity relative_wind_direction relative_wind_speed true_wind_direction true_wind_speed long_wave_radiation short_wave_radiation photosynthetically_active_radiation solar_UV_irradiance sea_water_temperature sea_water_electrical_conductivity sea_water_salinity Chlorophyll_fluorescence transmissometer_Volts transmissivity platform instrument crs trajectory time latitude longitude depth speed_over_ground course_over_ground heading ashtech_heading speed_log_forward_track air_pressure air_temperature relative_humidity relative_wind_direction relative_wind_speed true_wind_direction true_wind_speed long_wave_radiation short_wave_radiation photosynthetically_active_radiation solar_UV_irradiance sea_water_temperature sea_water_electrical_conductivity sea_water_salinity Chlorophyll_fluorescence transmissometer_Volts transmissivity platform instrument crs ")

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  trajectory {
    Int16 _FillValue -999;
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
    String long_name "20150916-000001 All";
    Int16 missing_value -999;
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.442361601e+9, 1.442447999e+9;
    String axis "T";
    String calendar "gregorian";
    Float64 colorBarMaximum 1.44246e+9;
    Float64 colorBarMinimum 1.44236e+9;
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Time";
    String long_name "Time";
    String ncei_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";
    Float64 valid_max 1.442447999e+9;
    Float64 valid_min 1.442361601e+9;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -99999.0;
    Float64 actual_range 28.6786, 29.0714;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Latitude";
    Float64 missing_value -99999.0;
    String ncei_name "LATITUDE";
    String standard_name "latitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/latitude";
    String units "degrees_north";
    Float64 valid_max 29.0714;
    Float64 valid_min 28.6786;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -99999.0;
    Float64 actual_range -88.6468, -88.333;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Longitude";
    Float64 missing_value -99999.0;
    String ncei_name "LONGITUDE";
    String standard_name "longitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/longitude";
    String units "degrees_east";
    Float64 valid_max -88.333;
    Float64 valid_min -88.6468;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue -99999.0;
    String axis "Z";
    String axis_name "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Depth";
    Float64 missing_value -999.0;
    String ncei_name "DEPTH";
    String positive "down";
    String standard_name "depth";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/depth";
    String units "m";
    Float64 valid_max -999.0;
    Float64 valid_min -999.0;
  }
  speed_over_ground {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0408, 10.8615;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -1500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Currents";
    String long_name "ships speed over ground";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name "platform_speed_wrt_ground";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/platform_speed_wrt_ground";
    String units "knots";
    Float64 valid_max 10.8615;
    Float64 valid_min -999.0;
  }
  course_over_ground {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 360.0;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -1500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Currents";
    String long_name "Course over ground";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "degree";
    Float64 valid_max 360.0;
    Float64 valid_min -999.0;
  }
  heading {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 359.95;
    Float64 colorBarMaximum 400.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "underway sensors";
    String ioos_category "Unknown";
    String long_name "platform heading";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "platform_course";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/platform_course";
    String units "degree";
    Float64 valid_max 359.95;
    Float64 valid_min 0.0;
  }
  ashtech_heading {
    Float64 _FillValue -99999.0;
    Float64 actual_range -1000.0, 360.0;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -1500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "underway sensors";
    String ioos_category "Unknown";
    String long_name "Ashtech Heading";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "ashtechs_heading";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/platform_course";
    String units "degree";
    Float64 valid_max 360.0;
    Float64 valid_min -1000.0;
  }
  speed_log_forward_track {
    Float64 _FillValue -99999.0;
    Float64 actual_range -1.6, 9.3;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -1500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Currents";
    String long_name "Speed log, forward speed, Longitudinal water speed, water track [knots]";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "knots";
    Float64 valid_max 9.3;
    Float64 valid_min -999.0;
  }
  air_pressure {
    Float64 _FillValue -99999.0;
    Float64 actual_range 1015.3455, 1019.0654;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Pressure";
    String long_name "air pressure";
    Float64 missing_value -999.0;
    String ncei_name "AIR PRESSURE";
    String platform "RV_Point_Sur";
    String standard_name "air_pressure";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/air_pressure";
    String units "mbar";
    Float64 valid_max 1019.0654;
    Float64 valid_min -999.0;
  }
  air_temperature {
    Float64 _FillValue -99999.0;
    Float64 actual_range 26.1815, 47.5881;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Temperature";
    String long_name "air temperature";
    Float64 missing_value -999.0;
    String ncei_name "AIR TEMPERATURE";
    String platform "RV_Point_Sur";
    String standard_name "air_temperature";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/air_temperature";
    String units "degree_Celsius";
    Float64 valid_max 47.5881;
    Float64 valid_min -999.0;
  }
  relative_humidity {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.5, 99.9;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Meteorology";
    String long_name "relative Humidity [%]";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name "relative_humidity";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/relative_humidity";
    String units "percent";
    Float64 valid_max 99.9;
    Float64 valid_min -999.0;
  }
  relative_wind_direction {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 360.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Wind";
    String long_name "relative Wind Direction";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "wind_to_direction";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/wind_to_direction";
    String units "degree";
    Float64 valid_max 360.0;
    Float64 valid_min 0.0;
  }
  relative_wind_speed {
    Float64 _FillValue -99999.0;
    Float64 actual_range 3.7559, 28.0893;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Wind";
    String long_name "relative Wind Speed";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "wind_speed";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/wind_speed";
    String units "knots";
    Float64 valid_max 28.0893;
    Float64 valid_min 3.7559;
  }
  true_wind_direction {
    Float64 _FillValue -99999.0;
    Float64 actual_range 43.6327, 116.0454;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Wind";
    String long_name "True Wind Direction";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name "wind_to_direction";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/wind_to_direction";
    String units "degree";
    Float64 valid_max 116.0454;
    Float64 valid_min -999.0;
  }
  true_wind_speed {
    Float64 _FillValue -99999.0;
    Float64 actual_range 5.7318, 25.86;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Wind";
    String long_name "True Wind Speed";
    Float64 missing_value -999.0;
    String platform "RV_Point_Sur";
    String standard_name "wind_speed";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/wind_speed";
    String units "knots";
    Float64 valid_max 25.86;
    Float64 valid_min -999.0;
  }
  long_wave_radiation {
    Float64 _FillValue -99999.0;
    Float64 actual_range 913.5857, 1018.0071;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Heat Flux";
    String long_name "Long wave Radiation";
    Float64 missing_value -999.0;
    String standard_name "surface_downwelling_longwave_flux_in_air";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/surface_downwelling_longwave_flux_in_air";
    String units "watt m-2";
    Float64 valid_max 1018.0071;
    Float64 valid_min -999.0;
  }
  short_wave_radiation {
    Float64 _FillValue -99999.0;
    Float64 actual_range 1463.7656, 2026.13;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Heat Flux";
    String long_name "Short wave Radiation";
    Float64 missing_value -999.0;
    String standard_name "surface_downwelling_shortwave_flux_in_air";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/surface_downwelling_shortwave_flux_in_air";
    String units "watt m-2";
    Float64 valid_max 2026.13;
    Float64 valid_min -999.0;
  }
  photosynthetically_active_radiation {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 3561.9665;
    Float64 colorBarMaximum 4000.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Optical Properties";
    String long_name "PAR/Irradiance";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "photosynthetically_active_radiation";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water";
    String units "uE m-2 s-1";
    Float64 valid_max 3561.9665;
    Float64 valid_min 0.0;
  }
  solar_UV_irradiance {
    Float64 _FillValue -99999.0;
    Float64 actual_range -18.3381, 1172.4709;
    Float64 colorBarMaximum 1500.0;
    Float64 colorBarMinimum -1500.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Unknown";
    String long_name "solar Ultra Violet Irradiance";
    Float64 missing_value -999.0;
    String standard_name "solar_irradiance";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/solar_irradiance";
    String units "watt m-2";
    Float64 valid_max 1172.4709;
    Float64 valid_min -999.0;
  }
  sea_water_temperature {
    Float64 _FillValue -99999.0;
    Float64 actual_range 28.239, 29.174;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Temperature";
    String long_name "temperature from thermosalinograph";
    Float64 missing_value -999.0;
    String ncei_name "TEMPERATURE";
    String platform "RV_Point_Sur";
    String source "in situ measuremnts";
    String standard_name "sea_water_temperature";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/water_temperature";
    String units "degree_Celsius";
    Float64 valid_max 29.174;
    Float64 valid_min -999.0;
  }
  sea_water_electrical_conductivity {
    Float64 _FillValue -99999.0;
    Float64 actual_range 5.2002, 5.5892;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Salinity";
    String long_name "Conductivity from thermosalinograph";
    Float64 missing_value -999.0;
    String ncei_name "CONDUCTIVITY";
    String platform "RV_Point_Sur";
    String standard_name "sea_water_electrical_conductivity";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/sea_water_electrical_conductivity";
    String units "S m-1";
    Float64 valid_max 5.5892;
    Float64 valid_min -999.0;
  }
  sea_water_salinity {
    Float64 _FillValue -99999.0;
    Float64 actual_range 31.779, 33.949;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Salinity";
    String long_name "Salinity  from thermosalinograph";
    Float64 missing_value -999.0;
    String ncei_name "SALINITY";
    String platform "RV_Point_Sur";
    String standard_name "sea_water_practical_salinity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_practical_salinity";
    String units "PSU";
    Float64 valid_max 33.949;
    Float64 valid_min -999.0;
  }
  Chlorophyll_fluorescence {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 38.4;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "underway sensors";
    String ioos_category "Ocean Color";
    String long_name "Chlorophyll _fluorescence";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name "chorophyll_fluorescence";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/chlorophyll_flourescence";
    String units "ug l-1";
    Float64 valid_max 38.4;
    Float64 valid_min 0.0;
  }
  transmissometer_Volts {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 3.96;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Unknown";
    String long_name "transmissometer, WET Labs C-Star [volts]";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "volts";
    Float64 valid_max 3.96;
    Float64 valid_min 0.0;
  }
  transmissivity {
    Float64 _FillValue -99999.0;
    Float64 actual_range 3.54, 3.96;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Optical Properties";
    String long_name "Transmissivity";
    Float64 missing_value -99999.0;
    String platform "RV_Point_Sur";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "percent";
    Float64 valid_max 3.96;
    Float64 valid_min 3.54;
  }
  platform {
    Int32 _FillValue -2147483647;
    String call_sign "WSC2276";
    String ioos_category "Unknown";
    String long_name "RV_Point_Sur";
  }
  instrument {
    String actual_range 
"
";
    String ioos_category "Unknown";
    String long_name "underway sensors";
  }
  crs {
    Int32 _FillValue -99999;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Unknown";
    String long_name "CRS";
    Float64 longitude_of_prime_meridian 0.0;
    Float64 semi_major_axis 6378137.0;
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory";
    String Conventions "CF-1.6, ACDD-1.3, IOOS-1.2, COARDS";
    String Country "USA";
    String creator_address "1020 Balch Blvd.";
    String creator_city "Stennis Space Center";
    String creator_country "USA";
    String creator_email "vernon.asper@usm.edu";
    String creator_institution "University of Southern Mississippi / Department of Marine Science";
    String creator_name "Vernon Asper";
    String creator_phone "+1-404-385-0479";
    String creator_postalcode "39529";
    String creator_role "Professor";
    String creator_sector "academic";
    String creator_state "Mississippi";
    String creator_type "person";
    String creator_url "https://www.usm.edu/faculty-directory/?keyword=vernon+asper";
    String date_created "2021-02-18T16:26:02Z";
    String date_issued "2021-02-18T16:26:02Z";
    String date_metadata_modified "2021-02-18T16:26:02Z";
    String date_modified "2021-02-18T16:26:02Z";
    Float64 Easternmost_Easting -88.333;
    String featureType "Trajectory";
    String geospatial_bounds "Polygon (28.94292 -88.19549 28.94283 -88.20082 28.9403 -88.2029 28.94333 -88.19498 28.71782 -88.2651 28.71 -88.32333 28.7132 -88.26848 29.99333 -88.29667)";
    String geospatial_bounds_crs "EPSG:4326";
    String geospatial_bounds_vertical_crs "EPSG:5831";
    Float64 geospatial_lat_max 29.0714;
    Float64 geospatial_lat_min 28.6786;
    Float64 geospatial_lat_resolution 4.2107456191115676e-6;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -88.333;
    Float64 geospatial_lon_min -88.6468;
    Float64 geospatial_lon_resolution -1.0509502534779433e-6;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    Float64 geospatial_vertical_resolution 0.0;
    String geospatial_vertical_units "m";
    String history 
"2021-02-18T16:24:55Z
2024-10-16T08:08:13Z (local files)
2024-10-16T08:08:13Z https://erddap.griidc.org/erddap/tabledap/R4_x268_000_0021_20150916_000001_all.html";
    String id "PS16-09_UDAS";
    String infoUrl "https://data.gulfresearchinitiative.org/data/R4.x268.000:0021";
    String institution "University of Southern Mississippi / Department of Marine Science";
    String instrument "underway sensors";
    String instrument_vocabulary "GCMD Science Keywords Version 9.1.5";
    String keywords "20150916-000001, active, air, air_pressure, air_temperature, all, ashtech, ashtech_heading, ashtechs, ashtechs_heading, atmosphere, atmospheric, available, c-star, chlorophyll, Chlorophyll_fluorescence, chorophyll, chorophyll_fluorescence, color, conductivity, course, course_over_ground, crs, currents, data, density, department, depth, direction, downwelling, earth, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation, Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, electrical, fluorescence, flux, forward, gom, ground, gulf, gulf of mexico, heading, heat, heat flux, humidity, identifier, instrument, irradiance, knots, labs, latitude, level, log, long, long_wave_radiation, longitude, longitudinal, longwave, marine, measurements, meteorology, mexico, mississippi, ocean, ocean color, oceans, optical, optical properties, over, par, par/irradiance, percent, photosynthetically, photosynthetically_active_radiation, platform, platform_course, platform_speed_wrt_ground, point, practical, pressure, properties, ps16, ps16-09, r/v, radiation, relative, relative_humidity, relative_wind_direction, relative_wind_speed, salinity, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_salinity, sea_water_temperature, seawater, sensor, sensors, ships, short, short_wave_radiation, shortwave, solar, solar_irradiance, solar_UV_irradiance, southern, speed, speed_log_forward_track, speed_over_ground, star, static, suite, sur, surface, surface_downwelling_longwave_flux_in_air, surface_downwelling_shortwave_flux_in_air, temperature, thermosalinograph, time, track, trajectory, transmissivity, transmissometer, transmissometer_Volts, true, true_wind_direction, true_wind_speed, ultra, underway, university, v, vapor, violet, volts, water, wave, wet, wind, wind_speed, wind_to_direction, winds, wrt";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These data may be redistributed and used without restriction.";
    String metadata_link "https://data.gulfresearchinitiative.org/data/R4.x268.000:0021";
    String naming_authority "edu.usm";
    Float64 Northernmost_Northing 29.0714;
    String platform "RV_Point_Sur";
    String platform_name "RV_Point_Sur";
    String platform_vocabulary "https://mmisw.org/ont/ioos/platform";
    String processing_level "Geophysical units from raw data";
    String product_version "v0.0";
    String program "The Gulf of Mexico Research Initiative (GOMRI)";
    String project "Ecosystem Impacts of Oil and Gas Inputs to the Gulf-2 (ECOGIG-2)";
    String publisher_address "6300 Ocean Drive";
    String publisher_city "Corpus Christi";
    String publisher_country "USA";
    String publisher_email "griidc@gomri.org";
    String publisher_institution "Gulf of Mexico Research Initiative Information and Data (GRIIDC)";
    String publisher_name "Gulf of Mexico Research Initiative Information and Data (GRIIDC)";
    String publisher_phone "+1-301-713-3277";
    String publisher_postalcode "78412";
    String publisher_state "Texas";
    String publisher_type "institution";
    String publisher_udi "R4.x268.000:0021";
    String publisher_url "https://data.gulfresearchinitiative.org";
    String references "data.gomri.org";
    String sea_name "Gulf of Mexico, Mississippi Delta";
    String source "in situ measurements";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 28.6786;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "trajectory, depth, platform, instrument, crs";
    String summary "R/V Point Sur: PS16-09 Underway Sensor Suite Data, Gulf of Mexico, September 14 - 19, 2015. Dataset contains sensor suite data collected from R/V Point Sur as a part of operations conducted in the Gulf of Mexico in lease blocks OC26 and GC185. Samples were collected in September 2015.";
    String time_coverage_duration "P00Y0M00DT23H59M58S";
    String time_coverage_end "2015-09-16T23:59:59Z";
    String time_coverage_start "2015-09-16T00:00:01Z";
    String title "Trajectory - R4.x268.000.0021 - 20150916-000001_all - 28.87N, 88.49W - 2015-09-16";
    Float64 Westernmost_Easting -88.6468;
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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