netcdf ocean-time-series/Stellwagen/GRANDBAY/10781Baqdwvs_diwasp-cal.nc {
  dimensions:
    time = 4426;
    frequency = 32;
    direction = 180;
    depth = 1;
    lat = 1;
    lon = 1;
  variables:
    int time_cf(time=4426);
      :standard_name = "time";
      :axis = "T";
      :units = "minutes since 2016-10-23 15:32:01";
      :calendar = "proleptic_gregorian";

    double frequency(frequency=32);
      :long_name = "Frequency";
      :units = "Hz";

    double direction(direction=180);
      :long_name = "Direction (from, relative to true north)";
      :units = "degrees";

    double depth(depth=1);
      :units = "m";
      :long_name = "mean water depth";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :epic_code = 3; // int

    double bindist(depth=1);
      :_FillValue = 1.0E35; // double
      :units = "m";
      :long_name = "distance from transducer head";
      :bin_size = 0.5; // double
      :center_first_bin = 0.64; // double
      :bin_count = 1; // int
      :transducer_offset_from_bottom = 0.15; // double
      :blanking_distance = 0.2; // double
      :note = "distance is along profile from instrument head to center of bin";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.64; // double
      :maximum = 0.64; // double

    float burst(time=4426);
      :_FillValue = 1.0E35f; // float
      :units = "count";
      :long_name = "Record number";
      :minimum = 8.0; // double
      :maximum = 4433.0; // double
      :coordinates = "time2 time_cf";

    double lat(lat=1);
      :units = "degree_north";
      :long_name = "Latitude";
      :epic_code = 500; // int

    double lon(lon=1);
      :units = "degree_east";
      :long_name = "Longitude";
      :epic_code = 502; // int

    float bin_depth(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "m";
      :name = "bin depth";
      :note = "Actual depth time series of velocity bins. Calculated as corrected pressure (P_1ac) - bindist.";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.31820410156249923; // double
      :maximum = 1.785829101562499; // double
      :coordinates = "time2 time_cf";

    int time(time=4426);
      :units = "True Julian Day";
      :type = "EVEN";
      :epic_code = 624; // int

    int time2(time=4426);
      :units = "msec since 0:00 GMT";
      :type = "EVEN";
      :epic_code = 624; // int

    float dspec(time=4426, direction=180, frequency=32, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Directional wave energy spectrum";
      :units = "m^2/Hz/degree";
      :note = "Use caution: all spectra are provisional";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.0; // double
      :maximum = 0.001282671556122649; // double
      :coordinates = "time2 time_cf";

    float wh_4061(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :note = "Values filled where wh_4061 <= 0.020000. . ";
      :long_name = "Significant wave height";
      :units = "m";
      :epic_code = 4061; // int
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.07053268417569769; // double
      :maximum = 0.4289673352725955; // double
      :coordinates = "time2 time_cf";

    float wp_4060(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :note = "Values filled where wp_peak:wp_4060 >= 2.000000. Values filled where wh_4061 <= 0.020000. . Values filled where wp_peak, wp_4060 >= 4.000000. ";
      :long_name = "Average wave period";
      :units = "s";
      :epic_code = 4060; // int
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 1.1845797342523967; // double
      :maximum = 2.425958382421299; // double
      :coordinates = "time2 time_cf";

    float wp_peak(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :note = "Values filled where wp_peak:wp_4060 >= 2.000000. Values filled where wh_4061 <= 0.020000. . Values filled where wp_peak, wp_4060 >= 4.000000. ";
      :long_name = "Dominant (peak) wave period";
      :units = "s";
      :epic_code = 4063; // int
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 1.032258064516129; // double
      :maximum = 3.5555555555555554; // double
      :coordinates = "time2 time_cf";

    float wvdir(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Direction of peak period (from, relative to true north)";
      :units = "degrees";
      :note = "Compass direction from which waves are propagating as defined by the direction with the greatest energy at the peak period";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.0; // double
      :maximum = 358.0; // double
      :coordinates = "time2 time_cf";

    float dwvdir(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Dominant wave direction (from, relative to true north)";
      :units = "degrees";
      :note = "Compass direction from which waves are propagating as defined by the direction band with greatest total energy summed over all frequencies";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.0; // double
      :maximum = 358.0; // double
      :coordinates = "time2 time_cf";

    float pspec(time=4426, frequency=32, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Pressure derived non-directional wave energy spectrum";
      :units = "m^2/Hz";
      :note = "Use caution: all spectra are provisional";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 7.072913554310963E-6; // double
      :maximum = 0.08318178407415952; // double
      :coordinates = "time2 time_cf";

    float wd_4062(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Mean wave direction";
      :units = "degrees";
      :epic_code = 4062; // int
      :note = "Compass direction from which waves are propagating";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.18294489954644177; // double
      :maximum = 359.7851573325822; // double
      :coordinates = "time2 time_cf";

    float water_depth(time=4426, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :long_name = "Total water depth";
      :units = "m";
      :serial_number = "AQD11507";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 1.9500000000000002; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 1.1082041f; // float
      :maximum = 2.575829f; // float
      :coordinates = "time2 time_cf";

  // global attributes:
  :SciPi = "N. Ganju";
  :PROJECT = "USGS Coastal and Marine Geology Program";
  :EXPERIMENT = "Grand Bay";
  :DESCRIPTION = "Site GB3, Middle Bay";
  :DATA_SUBTYPE = "MOORED";
  :DATA_ORIGIN = "USGS WHCMSC Sed Trans Group";
  :COORD_SYSTEM = "GEOGRAPHIC + sample";
  :Conventions = "PMEL/EPIC";
  :MOORING = "1078";
  :WATER_DEPTH = 2.1; // double
  :WATER_DEPTH_NOTE = "(meters), nominal depth";
  :latitude = 30.37469; // double
  :longitude = -88.39559; // double
  :magnetic_variation = -1.88; // double
  :Deployment_date = "2016-10-23 15:13";
  :Recovery_date = "2017-01-23 20:39";
  :DATA_CMNT = "";
  :platform_type = "FG Lander";
  :DRIFTER = 0.0; // double
  :POS_CONST = 0.0; // double
  :DEPTH_CONST = 0.0; // double
  :WATER_MASS = "Grand Bay, AL/MS";
  :VAR_FILL = 1.0E35; // double
  :institution = "United States Geological Survey, Woods Hole Coastal and Marine Science Center";
  :institution_url = "https://woodshole.er.usgs.gov";
  :basefile = "AQ107803";
  :filename = "10781Baqd";
  :LatLonDatum = "NAD83";
  :ClockError = 0; // int
  :orientation = "UP";
  :head_rotation = "horizontal";
  :initial_instrument_height = 0.15; // double
  :initial_instrument_height_note = "";
  :zeroed_pressure = "Yes";
  :cutoff_ampl = 0; // int
  :trim_method = "Water Level SL";
  :P_1ac_note = "Corrected for variations in atmospheric pressure using Grand Bay NERR met station (GNDCRMET).";
  :good_ens_wvs = 7, 4433; // int
  :wp_max = 4; // int
  :wh_min = 0.02; // double
  :wp_ratio = 2; // int
  :history = "Wave statistics computed using DIWASP 1.1GD. Atmospheric pressure compensated. Data clipped using good_ens_wvs values of [   7 4433] . Processed using wvswad2cdf.py with Python 3.7.1, xarray 0.11.3, NumPy 1.15.4, netCDF4 1.4.3.1. Processed using wvswad2cdf.py with Python 3.7.1, xarray 0.11.3, NumPy 1.15.4, netCDF4 1.4.3.1. ";
  :AQDProfileInterval = 900; // int
  :AQDNumberOfCells = 35; // int
  :AQDCellSize = 10; // int
  :AQDAverageInterval = 120; // int
  :AQDMeasurementLoad = 100; // int
  :AQDTransmitPulseLength = 0.1; // double
  :AQDBlankingDistance = 0.2; // double
  :AQDCompassUpdateRate = 900; // int
  :WaveMeasurements = "ENABLED";
  :WavePower = "LOW";
  :WaveInterval = 1800; // int
  :WaveNumberOfSamples = 1024; // int
  :WaveSampleRate = "2 Hz";
  :WaveCellSize = 0.5; // double
  :AQDAnalogInput1 = "NONE";
  :AQDAnalogInput2 = "NONE";
  :AQDAnalogPowerOutput = "12V";
  :AQDPowerLevel = "LOW";
  :AQDCoordinateSystem = "BEAM";
  :AQDSoundSpeed = "MEASURED";
  :AQDSalinity = "24.0 ppt";
  :AQDNumberOfBeams = 3; // int
  :AQDNumberOfPingsPerBurst = 23; // int
  :AQDSoftwareVersion = "1.37.04";
  :AQDDeploymentName = "AQ1078";
  :AQDDeploymentTime = "10/23/2016 12:00:00 PM";
  :AQDComments = "mooring 1078b, GB3, Middle Bay";
  :AQDSerial_Number = "AQD11507";
  :AQDHardwareRevision = "4 (E)";
  :AQDRecorderSize = "3886 MByte";
  :AQDFirmwareVersion = "3.40";
  :AQDVelocityRange = "HIGH";
  :AQDSyncOutDelay = "0 sec";
  :AQDSyncPowerDelay = "0 sec";
  :AQDPressureSensor = "YES";
  :AQDCompass = "YES";
  :AQDTilt = "YES";
  :AQDFrequency = 2000; // int
  :AQDHeadSerialNumber = "ASP 6159";
  :AQDNumBeams = 3; // int
  :AQDCCD = 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7; // double
  :AQDBeamWidth = 1.7; // double
  :AQDBeamPattern = "convex";
  :AQDBeamAngle = 25; // int
  :nominal_sensor_depth_note = "WATER_DEPTH - initial_instrument_height";
  :nominal_sensor_depth = 1.9500000000000002; // double
  :transducer_offset_from_bottom = 0.15; // double
  :serial_number = "AQD11507";
  :bin_count = 1; // int
  :bin_size = 0.5; // double
  :blanking_distance = 0.2; // double
  :salinity_set_by_user = "24.0 ppt";
  :salinity_set_by_user_units = "ppt";
  :frequency = 2000; // int
  :beam_width = 1.7; // double
  :beam_pattern = "convex";
  :beam_angle = 25; // int
  :INST_TYPE = "Nortek Aquadopp Profiler";
  :center_first_bin = 0.64; // double
  :sample_interval = 0.5; // double
  :samples_per_burst = 1024; // int
  :nominal_instrument_depth = 1.9500000000000002; // double
  :COMPOSITE = 0; // int
  :DELTA_T = 1800; // int
  :coordinates = "bindist";
}