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Dataset Title:	A01 Aanderaa - Realtime Surface Currents and O2
Institution:	Department of Physical Oceanography, School of Marine Sciences, University of Maine   (Dataset ID: A01_aanderaa_o2_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
station	!= =~ <= >= = < >		!= =~ <= >= = < >		"A01"
mooring_site_desc (Station Description)	!= =~ <= >= = < >		!= =~ <= >= = < >
water_depth (Water depth at station)	!= =~ <= >= = < >		!= =~ <= >= = < >		65.0	65.0
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2001-07-10T03:00:00Z	2024-12-25T09:00:00Z
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-70.5664 -70.56592 -70.5655
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		42.5232 42.523537 42.52365
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		2.0
current_speed (cm/s)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	290.9536
current_speed_qc (Current Speed Quality, 1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
current_direction (angular_degrees)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.001699638	359.9968
current_direction_qc (1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
current_u (cm/s)	!= =~ <= >= = < >		!= =~ <= >= = < >		-263.363	290.3783
current_u_qc (1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
current_v (cm/s)	!= =~ <= >= = < >		!= =~ <= >= = < >		-299.878	288.4226
current_v_qc (1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
temperature (Water Temperature, celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.4961	29.81121
temperature_qc (Water Temperature QC, 1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
dissolved_oxygen	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	11.18613
dissolved_oxygen_qc	!= =~ <= >= = < >		!= =~ <= >= = < >		0	3
percent_oxygen_saturation	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	149.5602
percent_oxygen_saturation_qc (1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	99
time_created (Time Record Created, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2007-03-23T17:08:02Z	2024-12-25T09:15:51Z
time_modified (Time Record Last Modified, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2007-03-23T17:08:02Z	2024-12-25T09:15:51Z

 

Server-side Functions

distinct()

orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax (" station mooring_site_desc water_depth time longitude latitude depth current_speed current_speed_qc current_direction current_direction_qc current_u current_u_qc current_v current_v_qc temperature temperature_qc dissolved_oxygen dissolved_oxygen_qc percent_oxygen_saturation percent_oxygen_saturation_qc time_created time_modified station mooring_site_desc water_depth time longitude latitude depth current_speed current_speed_qc current_direction current_direction_qc current_u current_u_qc current_v current_v_qc temperature temperature_qc dissolved_oxygen dissolved_oxygen_qc percent_oxygen_saturation percent_oxygen_saturation_qc time_created time_modified station mooring_site_desc water_depth time longitude latitude depth current_speed current_speed_qc current_direction current_direction_qc current_u current_u_qc current_v current_v_qc temperature temperature_qc dissolved_oxygen dissolved_oxygen_qc percent_oxygen_saturation percent_oxygen_saturation_qc time_created time_modified station mooring_site_desc water_depth time longitude latitude depth current_speed current_speed_qc current_direction current_direction_qc current_u current_u_qc current_v current_v_qc temperature temperature_qc dissolved_oxygen dissolved_oxygen_qc percent_oxygen_saturation percent_oxygen_saturation_qc time_created time_modified station mooring_site_desc water_depth time longitude latitude depth current_speed current_speed_qc current_direction current_direction_qc current_u current_u_qc current_v current_v_qc temperature temperature_qc dissolved_oxygen dissolved_oxygen_qc percent_oxygen_saturation percent_oxygen_saturation_qc time_created time_modified ")

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
  }
  mooring_site_desc {
    String ioos_category "Location";
    String long_name "Station Description";
  }
  water_depth {
    Float32 actual_range 65.0, 65.0;
    String ioos_category "Location";
    String long_name "Water depth at station";
  }
  time {
    Int32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.94734e+8, 1.7351172e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -70.5664, -70.5655;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 42.5232, 42.52365;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 2.0, 2.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  current_speed {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -9999.0;
    Float64 accuracy 3.0;
    Float32 actual_range 0.0, 290.9536;
    String ancillary_variables "current_speed_qc";
    Float64 calibration_coeffs 0.0, 0.2933, 0.0, 0.0;
    Float64 colorBarMaximum 400.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 300;
    Float32 instrument_range 0.0, 300.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "Current Speed";
    String measurement_type "Measured";
    Float64 precision 0.3;
    String short_name "CSPD";
    String standard_name "sea_water_velocity";
    String units "cm/s";
    Float32 valid_range 0.0, 300.0;
  }
  current_speed_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 2.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional";
    Byte flag_values 0, 1, 2;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Current Speed Quality";
    String short_name "CSPDQC";
    String standard_name "sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_direction {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -999.0;
    Float64 accuracy 5.0;
    Float32 actual_range 0.001699638, 359.9968;
    String ancillary_variables "current_direction_qc";
    Float64 calibration_coeffs 0.0, 0.3516, 0.0, 0.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String comment "Rotated to true north using magnetic_variation";
    Int32 epic_code 310;
    Float32 instrument_range 0.0, 360.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "Current Direction";
    String measurement_type "Measured";
    Float64 precision 0.35;
    String short_name "CDIR";
    String standard_name "direction_of_sea_water_velocity";
    String units "angular_degrees";
    Float32 valid_range 0.0, 360.0;
  }
  current_direction_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 2.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional";
    Byte flag_values 0, 1, 2;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Current Direction QC";
    String short_name "CDIRQC";
    String standard_name "direction_of_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_u {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -9999.0;
    Float64 accuracy 3.0;
    Float32 actual_range -263.363, 290.3783;
    String ancillary_variables "current_u_qc";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String dependency "current_speed, current_direction, current_v";
    Float32 instrument_range -300.0, 300.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "East Current Velocity Component";
    String measurement_type "Derived";
    Float64 precision 0.1;
    String short_name "u";
    String standard_name "eastward_sea_water_velocity";
    String units "cm/s";
    Float32 valid_range -300.0, 300.0;
  }
  current_u_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 2.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional";
    Byte flag_values 0, 1, 2;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "East Current Velocity Component QC";
    String short_name "UQC";
    String standard_name "eastward_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_v {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -999.0;
    Float64 accuracy 3.0;
    Float32 actual_range -299.878, 288.4226;
    String ancillary_variables "current_v_qc";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String dependency "current_speed, current_direction, current_u";
    Float32 instrument_range -300.0, 300.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "North Current Velocity Component";
    String measurement_type "Derived";
    Float64 precision 0.1;
    String short_name "v";
    String standard_name "northward_sea_water_velocity";
    String units "cm/s";
    Float32 valid_range -300.0, 300.0;
  }
  current_v_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 2.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional";
    Byte flag_values 0, 1, 2;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "North Current Velocity Component QC";
    String short_name "VQC";
    String standard_name "northward_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  temperature {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -999.0;
    Float64 accuracy 0.05;
    Float32 actual_range -0.4961, 29.81121;
    String ancillary_variables "temperature_qc";
    Float64 calibration_coeffs -0.6993, 0.03419, -6.292e-6, 4.8e-9;
    String calibration_type "Wide Range";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 20;
    Float32 instrument_range -0.64, 32.87;
    String ioos_category "Temperature";
    Int32 is_dead 0;
    String long_name "Water Temperature";
    String measurement_type "Measured";
    Float64 precision 0.003;
    String short_name "WT";
    String standard_name "sea_water_temperature";
    String units "celsius";
    Float32 valid_range -0.5, 30.0;
  }
  temperature_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 2.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional";
    Byte flag_values 0, 1, 2;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Water Temperature QC";
    String short_name "WTQC";
    String standard_name "sea_water_temperature data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  dissolved_oxygen {
    Float32 actual_range 0.0, 11.18613;
    Float64 colorBarMaximum 4.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved O2";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
  }
  dissolved_oxygen_qc {
    Byte actual_range 0, 3;
    Float64 colorBarMaximum 4.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Quality";
  }
  percent_oxygen_saturation {
    Int32 _ChunkSizes 949;
    Float32 _FillValue -999.0;
    Float64 accuracy 0.1;
    Float32 actual_range 0.0, 149.5602;
    String ancillary_variables "percent_oxygen_saturation_qc";
    Float64 calibration_coeffs 0.0, 0.146484, 0.0, 0.0;
    Float64 colorBarMaximum 4.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 20;
    Float32 instrument_range 0.0, 150.0;
    String ioos_category "Dissolved O2";
    Int32 is_dead 0;
    String long_name "Percent Oxygen Saturation";
    String measurement_type "Measured";
    Float64 precision 0.01;
    String short_name "o2per";
    String standard_name "percent_oxygen_saturation";
    Float32 valid_range 60.0, 150.0;
  }
  percent_oxygen_saturation_qc {
    Int32 _ChunkSizes 1898;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 4.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional questionable";
    Byte flag_values 0, 1, 2, 3;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Percent Oxygen Saturation QC";
    String short_name "o2perQC";
    String standard_name "percent_oxygen_saturation data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  time_created {
    Int32 _ChunkSizes 475;
    Float64 actual_range 1.1746696829485006e+9, 1.7351181516356354e+9;
    Float64 colorBarMaximum 120000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Time";
    String long_name "Time Record Created";
    String short_name "time_cr";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    Float64 valid_range 0.0, 99999.0;
  }
  time_modified {
    Int32 _ChunkSizes 475;
    Float64 actual_range 1.1746696829485006e+9, 1.7351181516356354e+9;
    Float64 colorBarMaximum 120000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Time";
    String long_name "Time Record Last Modified";
    String short_name "time_mod";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    Float64 valid_range 0.0, 99999.0;
  }
 }
  NC_GLOBAL {
    String aanderaa_manufacturer "Aanderaa Instruments";
    String aanderaa_model "RCM9 MkII";
    String aanderaa_serial_number "AANCM706";
    String algorithm_ids 
"AANCM_Currents_1.5:  29-May-2018 16:07:08
AANCM_Temperature_1.5:  29-May-2018 16:07:08";
    Int32 averaging_period 1;
    String averaging_period_units "Minutes";
    Int32 breakout_id 105;
    String buffer_type "aanderaa";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station, longitude, latitude";
    String clock_time "Center of period";
    String contact "[email protected],[email protected],[email protected]";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "[email protected],[email protected],[email protected]";
    String creator_name "Neal Pettigrew";
    String creator_type "person";
    String creator_url "http://gyre.umeoce.maine.edu";
    String defaultGraphQuery "time,current_speed&time%3E=now-7days&.draw=lines&.color=0x000000";
    Int32 delta_t 60;
    String depth_datum "Sea Level";
    Float64 Easternmost_Easting -70.5655;
    Float64 ending_julian_day_number 58388.875;
    String ending_julian_day_string "2018-09-27 21:00:00";
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 42.52365;
    Float64 geospatial_lat_min 42.5232;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.5655;
    Float64 geospatial_lon_min -70.5664;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2.0;
    Float64 geospatial_vertical_min 2.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String goes_platform_id "0441F72A";
    String history 
"Ocean Data Acquisition Systems (ODAS) Buoy
2024-12-26T10:56:23Z (local files)
2024-12-26T10:56:23Z http://www.neracoos.org/erddap/tabledap/A01_aanderaa_o2_all.html";
    String id "A01-aanderaa-o2";
    String infoUrl "http://gyre.umeoce.maine.edu/data/gomoos/buoy/doc/buoy_system_doc/buoy_system/book1.html";
    String institution "Department of Physical Oceanography, School of Marine Sciences, University of Maine";
    String institution_url "http://gyre.umeoce.maine.edu";
    String julian_day_convention "Julian date convention begins at 00:00:00 UTC on 17 November 1858 AD";
    String keywords "a01, a01.aanderaa.o2.historical, aanderaa, association, bank, buoy, chemistry, chlorophyll, circulation, component, concentration, conductivity, created, current, current_direction, current_direction_qc, current_speed, current_speed_qc, current_u, current_u_qc, current_v, current_v_qc, currents, data, density, department, depth, direction, direction_of_sea_water_velocity, direction_of_sea_water_velocity data_quality, dissolved, dissolved o2, dissolved_oxygen, dissolved_oxygen data_quality, dissolved_oxygen_qc, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Ocean Optics > Turbidity, Earth Science > Oceans > Ocean Pressure > Sea Level Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Winds > Surface Winds, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Density, Earth Science > Oceans > Salinity/Density > Salinity, east, eastward, eastward_sea_water_velocity, eastward_sea_water_velocity data_quality, height, historical, home2, identifier, integrated, ioos, latitude, level, longitude, maine, marine, mass, mass_concentration_of_oxygen_in_sea_water, modified, name, neracoos, north, northeastern, northward, northward_sea_water_velocity, northward_sea_water_velocity data_quality, O2, observing, ocean, oceanography, oceans, optics, oxygen, percent, percent_oxygen_saturation, percent_oxygen_saturation data_quality, percent_oxygen_saturation_qc, period, physical, pressure, quality, record, regional, salinity, saturation, school, sciences, sea, sea_water_temperature, sea_water_temperature data_quality, sea_water_velocity, sea_water_velocity data_quality, seawater, sensor, significant, speed, station, station_name, stellwagen, surface, system, systems, temperature, temperature_qc, time, time_created, time_modified, turbidity, university, velocity, water, wave, waves, winds";
    String keywords_vocabulary "GCMD Science Keywords";
    Float64 latitude 42.5236511230469;
    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.";
    String long_name "A01 Massachusetts Bay Aanderaa O2_percent";
    Float64 longitude -70.5663986206055;
    Float64 magnetic_variation -16.0;
    String mooring_site_id "A0139";
    String mooring_type "Slack";
    String naming_authority "edu.maine";
    Int32 nco_openmp_thread_number 1;
    String ndbc_site_id "44029";
    String neracoos_data_provider "UMO";
    Float64 Northernmost_Northing 42.52365;
    Int32 number_observations_per_hour 1;
    Int32 number_samples_per_observation 600;
    String optode_calibraion_place "University of Maine";
    String optode_calibration_date "2018-05-22";
    String optode_manufacturer "Aanderaaa";
    String optode_model "Optode";
    String optode_serial_number "AANDO233";
    String position_datum "WGS 84";
    String processing "realtime";
    String project "NERACOOS";
    String project_url "http://gomoos.org";
    String publisher "NERACOOS";
    String publisher_email "[email protected]";
    String publisher_name "Northeastern Regional Association of Coastal and Ocean Observing Systems (NERACOOS)";
    String publisher_phone "(603) 319 1785";
    String publisher_type "institution";
    String publisher_url "http://www.neracoos.org/";
    String references "http://gyre.umeoce.maine.edu/data/gomoos/buoy/doc/buoy_system_doc/buoy_system/book1.html";
    String short_name "A01";
    String source "Ocean Data Acquisition Systems (ODAS) Buoy";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.5232;
    String standard_name_vocabulary "CF Standard Name Table v29";
    Float64 starting_julian_day_number 58309.83333333349;
    String starting_julian_day_string "2018-07-10 20:00:00";
    String station_name "A01";
    String station_photo "http://gyre.umeoce.maine.edu/gomoos/images/nmb_buoy.png";
    String station_type "Surface Mooring";
    String subsetVariables "longitude, latitude, depth, station";
    String summary "Ocean observation data from the Northeastern Regional Association of Coastal & Ocean Observing Systems (Northeastern Regional Association Ocean Observing Systems (NERACOOS)). The NERACOOS region includes the northeast United States and Canadian Maritime provinces, as part of the United States Integrated Ocean Observing System (IOOS).  These data are served by Unidata's Thematic Realtime Environmental Distributed Data Services (THREDDS) Data Server (TDS) in a variety of interoperable data services and output formats.";
    String time_coverage_end "2024-12-25T09:00:00Z";
    String time_coverage_start "2001-07-10T03:00:00Z";
    String time_zone "UTC";
    String title "A01 Aanderaa - Realtime Surface Currents and O2";
    String uscg_light_list_letter "A";
    String uscg_light_list_number "367";
    Int32 watch_circle_radius 45;
    Float64 Westernmost_Easting -70.5664;
  }
}

 

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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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ERDDAP, Version 1.82
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