netcdf ots/Stellwagen/MATANZAS_18/11102sig15m_echo1-cal.nc { dimensions: lat = 1; lon = 1; time = 5685; depth = 225; Tmatrix = 4; variables: float lat(lat=1); :units = "Degrees North"; :type = "EVEN"; :epic_code = 500.0; // double :name = "LAT"; :long_name = "LATITUDE"; :datum = "NAD83"; float lon(lon=1); :units = "Degrees East"; :type = "EVEN"; :epic_code = 502.0; // double :name = "LON"; :long_name = "LONGITUDE"; :datum = "NAD83"; int time(time=5685); :units = "True Julian Day"; :type = "EVEN"; :epic_code = 624.0; // double :datum = "Time (UTC) in True Julian Days: 2440000 = 0000 h on May 23, 1968"; :note = "Decimal Julian day [days] = time [days] + ( time2 [msec] / 86400000 [msec/day] )"; int time2(time=5685); :units = "msec since 0:00 GMT"; :type = "EVEN"; :name = "time2"; :generic_name = "time"; :epic_code = 624.0; // double :datum = "Time (UTC) in True Julian Days: 2440000 = 0000 h on May 23, 1968"; :note = "Decimal Julian day [days] = time [days] + ( time2 [msec] / 86400000 [msec/day] )"; int burst(time=5685); :minimum = 1.0; // double :maximum = 5685.0; // double :_FillValue = -2147483648; // int :units = "count"; :name = "burst"; :generic_name = "record"; :long_name = "Burst Number"; float depth(depth=225); :_FillValue = 1.0E35f; // float :units = "m"; :type = "EVEN"; :epic_code = 3.0; // double :long_name = "Depth of bin relative to input Mean Water depth (m)"; :blanking_distance = 0.1f; // float :bin_size = 0.012f; // float :center_first_bin = 0.112f; // float :bin_count = 225.0f; // float :WATER_DEPTH = 8.6; // double :WATER_DEPTH_source = "(meters), ship\'s echosounder"; :transducer_offset_from_bottom = 1.51; // double :NOTE = "downlooking bin depths = water_depth - transducer offset from bottom + bindist"; float bindist(depth=225); :_FillValue = 1.0E35f; // float :units = "m"; :type = "EVEN"; :long_name = "bin distance from instrument (m)"; :blanking_distance = 0.1f; // float :bin_size = 0.012f; // float :transducer_offset_from_bottom = 1.51; // double :center_first_bin = 0.112f; // float :bin_count = 225.0f; // float :WATER_DEPTH = 8.6; // double :WATER_DEPTH_source = "Gatts.WATER_DEPTH_NOTE"; :NOTE = "distance is along profile from instrument head to center of bin"; :minimum = 0.1120000034570694; // double :maximum = 2.799999952316284; // double float Sv_1232(time=5685, depth=225, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "Sv"; :long_name = "Mean Backscatter Strength Beam 5"; :generic_name = "amplitude"; :units = "dB"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :note = "replace with fill value points > 0.10 m below seabed"; :minimum = 49.25475311279297; // double :maximum = 86.79589080810547; // double float P_1(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "P"; :long_name = "PRESSURE (dbar) "; :generic_name = "pressure"; :units = "dbar"; :epic_code = 1.0; // double :nominal_pressure_offset_db = 10.0; // double :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 6.528931140899658; // double :maximum = 9.099733352661133; // double float Tx_1211(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "Tx"; :long_name = "instrument Transducer Temp."; :generic_name = "temperature"; :units = "degrees.C"; :epic_code = 1211.0; // double :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 11.342636108398438; // double :maximum = 19.643339157104492; // double float Hdg_1215(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "Hdg"; :long_name = "Instrument heading"; :generic_name = "heading"; :units = "degrees"; :epic_code = 1215.0; // double :note = "Heading is degrees true. Converted from magnetic with magnetic variation of -6.700000"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 82.89607238769531; // double :maximum = 118.2071762084961; // double float Ptch_1216(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "Ptch"; :long_name = "Instrument pitch"; :generic_name = "pitch"; :units = "degrees"; :epic_code = 1216.0; // double :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = -2.1583354473114014; // double :maximum = 1.1915825605392456; // double float Roll_1217(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "Roll"; :long_name = "Instrument roll"; :generic_name = "roll"; :epic_code = 1217.0; // double :units = "degrees"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = -0.826416552066803; // double :maximum = 2.4754080772399902; // double float HSD_1218(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "HSD"; :long_name = "Instrument heading standard deviation"; :units = "degrees"; :epic_code = 1218.0; // double :note = "Heading is degrees true. Converted from magnetic with magnetic variation of -6.700000"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 0.05404353886842728; // double :maximum = 0.9718535542488098; // double float PSD_1219(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "PSD"; :long_name = "Instrument pitch standard deviation"; :units = "degrees"; :epic_code = 1219.0; // double :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 0.006751882843673229; // double :maximum = 1.209360957145691; // double float RSD_1220(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "SV"; :long_name = "Instrument roll standard deviation"; :epic_code = 1220.0; // double :units = "degrees"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 0.005774097982794046; // double :maximum = 0.7358773350715637; // double float SV_80(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :units = "m s-1"; :long_name = "sound velocity (m s-1)"; :epic_code = 80.0; // double :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 1494.6932373046875; // double :maximum = 1520.604248046875; // double float Battery(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :units = "V"; :long_name = "Battery Voltage"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :minimum = 18.695087432861328; // double :maximum = 18.700090408325195; // double int Status(time=5685, lat=1, lon=1); :minimum = 9.78059266E8; // double :maximum = 9.7806029E8; // double :_FillValue = -2147483648; // int :units = "binary"; :type = "EVEN"; :long_name = "Instrument Burst Status bits"; float brange(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "brange"; :long_name = "Range to boundary"; :units = "m"; :sensor_type = "Nortek Signature"; :sensor_depth = 7.09; // double :initial_sensor_height = 1.51; // double :height_depth_units = "m"; :initial_sensor_height_note = "transducer height above bed, m"; :note = "calculated from peak of burst mean echogram"; :minimum = 1.2039999961853027; // double :maximum = 1.5160000324249268; // double float P_1ac(time=5685, lat=1, lon=1); :_FillValue = 1.0E35f; // float :name = "pressure (corrected for atmospheric)"; :long_name = "pressure (corrected for atmospheric)"; :standard_name = "sea_water_pressure_due_to_sea_water"; :units = "dbar"; :initial_instrument_height = 1.51; // double :minimum = 6.3176985f; // float :maximum = 8.851278f; // float :note = "Corrected for variations in atmospheric pressure using local barometric pressure record"; :_ChunkSizes = 5685U, 1U, 1U; // uint short error_bits(time=5685, lat=1, lon=1); :minimum = 0.0; // double :maximum = 0.0; // double :type = "EVEN"; :long_name = "Bits 8-15: Beam error for beams 0-3 (2 bits each), Bit 4 = Measurement not finished, Bit 2 = Re"; :_FillValue = -32768S; // short :units = "binary"; // global attributes: :SciPi = "J. Warner"; :PROJECT = "USGS Coastal Marine Geology Program"; :EXPERIMENT = "Matanzas Inlet Sediment Transport"; :DESCRIPTION = "Shallow site Quadpod"; :DATA_SUBTYPE = "MOORED"; :DATA_ORIGIN = "USGS WHCMSC Sediment Transport Group"; :COORD_SYSTEM = "GEOGRAPHIC"; :Conventions = "PMEL/EPIC"; :MOORING = "1110"; :WATER_DEPTH = 8.6; // double :WATER_DEPTH_NOTE = "(meters), ship\'s echosounder"; :latitude = 29.7114; // double :longitude = -81.218633; // double :magnetic_variation = -6.7; // double :Deployment_date = "24-Jan-2018"; :Recovery_date = "13-Apr-2018"; :platform_type = "Large quadpod Lander"; :DRIFTER = 0.0; // double :POS_CONST = 0.0; // double :DEPTH_CONST = 0.0; // double :institution = "United States Geological Survey, Woods Hole Coastal and Marine Science Center"; :institution_url = "http://woodshole.er.usgs.gov"; :initial_instrument_height = 1.51; // double :serial_number = "100593"; :INST_TYPE = "Nortek Signature"; :DATA_TYPE = "ABS"; :COMPOSITE = 0.0; // double :beam_angle = 0.0; // double :cdffile = "11102sig_echo1-raw.cdf"; :verbose = 0.0; // double :transducer_offset = 1.51; // double :orientation = "down"; :coordtrans = "y"; :frequency = 1000.0f; // float :sampling_rate = 4.0f; // float :bin_count = 225.0f; // float :bin_size = 0.012f; // float :nbeams = 1.0f; // float :blanking_distance = 0.1f; // float :center_first_bin = 0.112f; // float :burst_altimeter = "False"; :transmit_length = 0.10000000149011612; // double :transmit_power = -10.0; // double :samples_per_average = 480.0f; // float :magnetic_variation_applied = "y"; :history = "created using Sigcdf2echostatsnc4 with raw netcdf burst data in 11102sig_echo1-raw.cdf; Data cropped by user defined ensemble numbers; qa/qc profile data and repalce with fill values as needed"; :DELTA_T = "900"; :start_time = "24-Jan-2018 15:01:00"; :stop_time = "13-Apr-2018 13:31:00"; :VAR_FILL = 1.0E35f; // float :FILL_FLAG = 1.0; // double :VAR_DESC = "burst:bindist:Sv_1232:P_1:Tx_1211:Hdg_1215:Ptch_1216:Roll_1217:HSD_1218:PSD_1219:RSD_1220:SV_80:Battery:Error:Status:brange"; :DATA_CMNT = "Heading and tilt sensor data indicate quadpod frame experienced some motion during deployment, presumably by large waves at the site"; :DATA_NOTE = "This netCDF file contains burst averaged echosounder data from vertical beam (beam 5). Averages were computed from 120 sec segments at 15 minute intervals to agree with uplooking ADCP (WH-V, 11101whVp-cal-trm.nc) at this site."; }