netcdf ocean-time-series/Stellwagen/GRANDBAY/10791Aaqd-a.nc {
  dimensions:
    depth = 7;
    time = UNLIMITED;   // (7304 currently)
    lat = 1;
    lon = 1;
  variables:
    double depth(depth=7);
      :units = "m";
      :long_name = "mean water depth";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :epic_code = 3L; // long

    int time_cf(time=7304);
      :standard_name = "time";
      :axis = "T";
      :units = "minutes since 2016-08-04 17:16:00";
      :calendar = "proleptic_gregorian";
      :_ChunkSizes = 1024U; // uint

    float Bat_106(time=7304);
      :_FillValue = 1.0E35f; // float
      :units = "V";
      :long_name = "Battery voltage";
      :epic_code = 106L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 10.8; // double
      :maximum = 11.0; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 913U; // uint

    float Hdg_1215(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "degrees";
      :name = "Hdg";
      :long_name = "Instrument Heading";
      :generic_name = "hdg";
      :epic_code = 1215L; // long
      :note = "Heading is degrees true. Converted from magnetic with magnetic variation of -1.880000.";
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 108.52000000000001; // double
      :maximum = 111.42; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    float Ptch_1216(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "degrees";
      :long_name = "Instrument Pitch";
      :name = "Ptch";
      :generic_name = "ptch";
      :epic_code = 1216L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = -1.9; // double
      :maximum = -0.6; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    float Roll_1217(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "degrees";
      :long_name = "Instrument Roll";
      :name = "Roll";
      :generic_name = "roll";
      :epic_code = 1217L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = -0.7; // double
      :maximum = 0.9; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    float P_1(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "dbar";
      :long_name = "Pressure";
      :generic_name = "depth";
      :note = "Raw pressure from instrument, not corrected for changes in atmospheric pressure";
      :name = "P";
      :epic_code = 1L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 2.397; // double
      :maximum = 3.386; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    float Tx_1211(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "C";
      :long_name = "Instrument Transducer Temperature";
      :generic_name = "temp";
      :name = "Tx";
      :epic_code = 1211L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 22.34; // double
      :maximum = 33.84; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    int time(time=7304);
      :units = "True Julian Day";
      :type = "EVEN";
      :epic_code = 624L; // long
      :_ChunkSizes = 913U; // uint

    int time2(time=7304);
      :units = "msec since 0:00 GMT";
      :type = "EVEN";
      :epic_code = 624L; // long
      :_ChunkSizes = 913U; // uint

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

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

    float P_1ac(time=7304, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "dbar";
      :name = "Pac";
      :long_name = "Corrected pressure";
      :note = "Corrected for variations in atmospheric pressure using Grand Bay NERR met station (GNDCRMET).";
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 2.3369999999999997; // double
      :maximum = 3.3259999999999996; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 1U, 1U; // uint

    float u_1205(time=7304, depth=7, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :name = "u";
      :long_name = "Eastward Velocity";
      :generic_name = "u";
      :epic_code = 1205L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :units = "cm/s";
      :data_cmnt = "Velocity in shallowest bin is often suspect and should be used with caution";
      :note = "Velocity bins trimmed if out of water or if side lobes intersect sea surface";
      :minimum = -149.81834639806132; // double
      :maximum = 81.98297422889651; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 7U, 1U, 1U; // uint

    float v_1206(time=7304, depth=7, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :name = "v";
      :long_name = "Northward Velocity";
      :generic_name = "v";
      :epic_code = 1206L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :units = "cm/s";
      :data_cmnt = "Velocity in shallowest bin is often suspect and should be used with caution";
      :note = "Velocity bins trimmed if out of water or if side lobes intersect sea surface";
      :minimum = -77.5401602416524; // double
      :maximum = 63.95859531647052; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 7U, 1U, 1U; // uint

    float w_1204(time=7304, depth=7, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :name = "w";
      :long_name = "Vertical Velocity";
      :generic_name = "w";
      :epic_code = 1204L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :units = "cm/s";
      :data_cmnt = "Velocity in shallowest bin is often suspect and should be used with caution";
      :note = "Velocity bins trimmed if out of water or if side lobes intersect sea surface";
      :minimum = -38.870826617398336; // double
      :maximum = 12.13887262624485; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 7U, 1U, 1U; // uint

    float AGC_1202(time=7304, depth=7, lat=1, lon=1);
      :_FillValue = 1.0E35f; // float
      :units = "counts";
      :name = "AGC";
      :long_name = "Average Echo Intensity";
      :generic_name = "AGC";
      :epic_code = 1202L; // long
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 63.333333333333336; // double
      :maximum = 169.0; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 7U, 1U, 1U; // uint

    float bin_depth(time=7304, depth=7, 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 = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = -0.6630000000000007; // double
      :maximum = 2.7259999999999995; // double
      :coordinates = "time_cf time2";
      :_ChunkSizes = 1U, 7U, 1U, 1U; // uint

    float bindist(depth=7);
      :_FillValue = 1.0E35f; // float
      :units = "m";
      :long_name = "distance from transducer head";
      :blanking_distance = 0.2; // double
      :note = "distance is along profile from instrument head to center of bin";
      :serial_number = "AQD 5379";
      :initial_instrument_height = 0.15; // double
      :nominal_instrument_depth = 3.35; // double
      :height_depth_units = "m";
      :sensor_type = "Nortek Aquadopp Profiler";
      :minimum = 0.6000000000000001; // double
      :maximum = 3.0000000000000004; // double

  // global attributes:
  :SciPi = "N. Ganju";
  :PROJECT = "USGS Coastal and Marine Geology Program";
  :EXPERIMENT = "Grand Bay";
  :DESCRIPTION = "Site GB4, Bayou Middle";
  :DATA_SUBTYPE = "MOORED";
  :DATA_ORIGIN = "USGS WHCMSC Sed Trans Group";
  :COORD_SYSTEM = "GEOGRAPHIC";
  :Conventions = "PMEL/EPIC";
  :MOORING = "1079";
  :WATER_DEPTH = 3.5; // double
  :WATER_DEPTH_NOTE = "(meters), nominal depth";
  :latitude = 30.38722; // double
  :longitude = -88.41052; // double
  :magnetic_variation = -1.88; // double
  :Deployment_date = "2016-08-04 17:04";
  :Recovery_date = "2016-10-19 19:09";
  :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 = "AQ107901";
  :filename = "10791Aaqd";
  :LatLonDatum = "NAD83";
  :ClockError = 0L; // long
  :orientation = "UP";
  :head_rotation = "horizontal";
  :initial_instrument_height = 0.15; // double
  :initial_instrument_height_note = "";
  :zeroed_pressure = "Yes";
  :cutoff_ampl = 0L; // long
  :trim_method = "Water Level SL";
  :P_1ac_note = "Corrected for variations in atmospheric pressure using Grand Bay NERR met station (GNDCRMET).";
  :history = "Processed to EPIC using runaqdcdf2nc.py. Atmospheric pressure compensated. Trimmed velocity data using water level and sidelobes. Data clipped using Deployment_date of 2016-08-04 17:04 and Recovery_date of 2016-10-19 19:09. Processed using hdr2cdf.py with Python 3.6.3, xarray 0.10.8, NumPy 1.15.1, netCDF4 1.3.1. Processed using hdr2cdf.py with Python 3.6.3, xarray 0.10.8, NumPy 1.15.1, netCDF4 1.3.1. ";
  :AQDProfileInterval = 900L; // long
  :AQDNumberOfCells = 12L; // long
  :AQDCellSize = 40L; // long
  :AQDAverageInterval = 120L; // long
  :AQDMeasurementLoad = 88L; // long
  :AQDTransmitPulseLength = 0.4; // double
  :AQDBlankingDistance = 0.2; // double
  :AQDCompassUpdateRate = 900L; // long
  :WaveMeasurements = "DISABLED";
  :WavePower = "LOW";
  :WaveInterval = 1800L; // long
  :WaveNumberOfSamples = 1024L; // long
  :WaveSampleRate = "2 Hz";
  :WaveCellSize = 1.0; // double
  :AQDAnalogInput1 = "NONE";
  :AQDAnalogInput2 = "NONE";
  :AQDAnalogPowerOutput = "BATTERY";
  :AQDPowerLevel = "LOW+";
  :AQDCoordinateSystem = "BEAM";
  :AQDSoundSpeed = "MEASURED";
  :AQDSalinity = "20.0 ppt";
  :AQDNumberOfBeams = 3L; // long
  :AQDNumberOfPingsPerBurst = 7L; // long
  :AQDSoftwareVersion = "1.37.01";
  :AQDDeploymentName = "AQ1079";
  :AQDDeploymentTime = "8/3/2016 8:00:00 PM";
  :AQDComments = "Mooring 1079, AQD5379";
  :AQDSerial_Number = "AQD 5379";
  :AQDHardwareRevision = "3 (D)";
  :AQDRecorderSize = "361 MByte";
  :AQDFirmwareVersion = "3.40";
  :AQDVelocityRange = "NORMAL";
  :AQDAnalogInputCal1 = "-1471, 8826";
  :AQDAnalogInputCal2 = "-1471, 8826";
  :AQDSyncOutDelay = "0 sec";
  :AQDSyncPowerDelay = "0 sec";
  :AQDPressureSensor = "YES";
  :AQDCompass = "YES";
  :AQDTilt = "YES";
  :AQDFrequency = 1000L; // long
  :AQDHeadSerialNumber = "ASP 3795";
  :AQDNumBeams = 3L; // long
  :AQDCCD = 0.6, 1.0, 1.4, 1.8, 2.2, 2.6, 3.0, 3.4, 3.8, 4.2, 4.6, 5.0; // double
  :AQDBeamWidth = 3.4; // double
  :AQDBeamPattern = "convex";
  :AQDBeamAngle = 25L; // long
  :nominal_sensor_depth_note = "WATER_DEPTH - initial_instrument_height";
  :nominal_sensor_depth = 3.35; // double
  :transducer_offset_from_bottom = 0.15; // double
  :serial_number = "AQD 5379";
  :bin_count = 12L; // long
  :bin_size = 0.4; // double
  :blanking_distance = 0.2; // double
  :center_first_bin = 0.6000000000000001; // double
  :salinity_set_by_user = "20.0 ppt";
  :salinity_set_by_user_units = "ppt";
  :frequency = 1000L; // long
  :beam_width = 3.4; // double
  :beam_pattern = "convex";
  :beam_angle = 25L; // long
  :INST_TYPE = "Nortek Aquadopp Profiler";
  :nominal_instrument_depth = 3.35; // double
  :COMPOSITE = 0L; // long
  :DELTA_T = 900L; // long
  :start_time = "2016-08-04T17:16:00.000000000";
  :stop_time = "2016-10-19T19:01:00.000000000";
}