DAP4 Data Request Form i2map_2023.352.01_1S.nc
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dataset: i2map_2023.352.01_1S.nc
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Global Attributes
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      • NC_GLOBAL
        • netcdf_version: 4 (Type is String)
        • Conventions: CF-1.6 (Type is String)
        • date_created: 2025-10-21T18:39:51Z (Type is String)
        • date_update: 2025-10-21T18:39:51Z (Type is String)
        • date_modified: 2025-10-21T18:39:51Z (Type is String)
        • featureType: trajectory (Type is String)
        • time_coverage_start: 2023-12-18T17:02:31.000000000 (Type is String)
        • time_coverage_end: 2023-12-19T16:15:42.000000000 (Type is String)
        • time_coverage_duration: 0 days 23:13:11 (Type is String)
        • geospatial_vertical_min: -0.7434061865313901 (Type is Float64)
        • geospatial_vertical_max: 1001.357072618459 (Type is Float64)
        • geospatial_lat_min: 36.69390558707342 (Type is Float64)
        • geospatial_lat_max: 36.73413207656273 (Type is Float64)
        • geospatial_lon_min: -122.0792045309496 (Type is Float64)
        • geospatial_lon_max: -121.9786022216945 (Type is Float64)
        • license: Any use requires prior approval from MBARI (Type is String)
        • history: Created by /src/data/process_i2map.py -v --noinput --start_year 2023 --end_year 2023 --start_yd 1 --end_yd 365 --num_cores 1 --clobber on 2025-10-21T18:39:56Z (Type is String)
        • source: MBARI Dorado-class AUV data produced from original log files with execution of '/src/data/process_i2map.py -v --noinput --start_year 2023 --end_year 2023 --start_yd 1 --end_yd 365 --num_cores 1 --clobber' at 2025-10-21T18:39:56Z on host a6fbce5c76fd using git commit 0620a5fb4ce4e316a856ffc6c98fde365d0ce9eb from software at 'https://github.com/mbari-org/auv-python' (Type is String)
        • summary: Observational oceanographic data obtained from an Autonomous Underwater Vehicle mission with measurements sampled at 1S intervals. Data processed at 2025-10-21T18:39:56Z using MBARI's auv-python software. Original log files copied from /Volumes/M3/master/i2MAP/2023/12/20231218/2023.352.01. Processing log file: http://dods.mbari.org/opendap/data/auvctd/surveys/2023/netcdf/i2map_2023.352.01_processing.log (Type is String)
        • title: Calibrated, aligned, and resampled AUV sensor data from i2map mission 2023.352.01, original data in /mbari/M3/master/i2MAP/: 2023/12/20231218/2023.352.01 (Type is String)
        • comment: Variable depth pitch corrected using SensorOffset(x=4.04, y=0.0) (Type is String)
Global Dimensions
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      [ /time = 0..83591 ]
Variables
time[ /time= 0..83591] (Type is Int32)
  • attributes
    • standard_name: time (Type is String)
    • long_name: Time (UTC) (Type is String)
    • units: seconds since 2023-12-18 17:02:31 (Type is String)
    • calendar: proleptic_gregorian (Type is String)
depth[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Depth (Type is String)
    • standard_name: depth (Type is String)
    • units: m (Type is String)
    • comment: mDepth from navigation.nc. mDepth from navigation.nc mean sampled at 1S intervals following 3 point median filter. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
latitude[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Latitude (Type is String)
    • standard_name: latitude (Type is String)
    • units: degrees_north (Type is String)
    • comment: Dead reckoned latitude nudged to GPS positions. Variable nudged_latitude from i2map_2023.352.01_cal.nc file linearly interpolated onto navigation time values. Variable navigation_latitude from i2map_2023.352.01_align.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
longitude[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Longitude (Type is String)
    • standard_name: longitude (Type is String)
    • units: degrees_east (Type is String)
    • comment: Dead reckoned longitude nudged to GPS positions. Variable nudged_longitude from i2map_2023.352.01_cal.nc file linearly interpolated onto navigation time values. Variable navigation_longitude from i2map_2023.352.01_align.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
profile_number[ /time= 0..83591] (Type is Int32)
  • attributes
    • long_name: Profile number (Type is String)
navigation_roll[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Vehicle roll (Type is String)
    • standard_name: platform_roll_angle (Type is String)
    • units: degree (Type is String)
    • comment: mPhi from navigation.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
navigation_pitch[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Vehicle pitch (Type is String)
    • standard_name: platform_pitch_angle (Type is String)
    • units: degree (Type is String)
    • comment: mTheta from navigation.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
navigation_yaw[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Vehicle yaw (Type is String)
    • standard_name: platform_yaw_angle (Type is String)
    • units: degree (Type is String)
    • comment: mPsi from navigation.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
navigation_mWaterSpeed[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Current speed based upon DVL data (Type is String)
    • standard_name: platform_speed_wrt_sea_water (Type is String)
    • units: m/s (Type is String)
    • comment: mWaterSpeed from navigation.nc median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_temperature[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Temperature (Type is String)
    • standard_name: sea_water_temperature (Type is String)
    • units: degree_Celsius (Type is String)
    • comment: Derived from temp_frequency from seabird25p.nc via calibration parms: {'t_coefs': 'G', 'c_coefs': 'G', 't_a': 0.0036812134, 't_b': 0.000604232699, 't_c': 1.6552789e-05, 't_d': 2.24436549e-06, 't_f0': 3304.265, 't_g': 0.00485945135, 't_h': 0.00067968862, 't_i': 2.73089135e-05, 't_j': 2.13505939e-06, 't_gf0': 1000.0, 'c_a': 1.220927e-06, 'c_b': 0.457213632, 'c_c': -4.12470337, 'c_d': -7.81556063e-05, 'c_m': 5.2, 'eps': -9.57e-08, 'c_g': -4.13366177, 'c_h': 0.459695177, 'c_i': -0.000732154262, 'c_j': 6.84557314e-05, 'c_pcor': -9.57e-08, 'c_tcor': 3.25e-06, 'SOc': 0.4466, 'BOc': 0.0, 'Voff': -0.507, 'TCor': -0.0, 'PCor': 0.000135, 'ScaleFactor': 50.0, 'DarkCounts': 0.047} median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_conductivity[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Conductivity (Type is String)
    • standard_name: sea_water_conductivity (Type is String)
    • units: Siemens/meter (Type is String)
    • comment: Derived from cond_frequency from seabird25p.nc via calibration parms: {'t_coefs': 'G', 'c_coefs': 'G', 't_a': 0.0036812134, 't_b': 0.000604232699, 't_c': 1.6552789e-05, 't_d': 2.24436549e-06, 't_f0': 3304.265, 't_g': 0.00485945135, 't_h': 0.00067968862, 't_i': 2.73089135e-05, 't_j': 2.13505939e-06, 't_gf0': 1000.0, 'c_a': 1.220927e-06, 'c_b': 0.457213632, 'c_c': -4.12470337, 'c_d': -7.81556063e-05, 'c_m': 5.2, 'eps': -9.57e-08, 'c_g': -4.13366177, 'c_h': 0.459695177, 'c_i': -0.000732154262, 'c_j': 6.84557314e-05, 'c_pcor': -9.57e-08, 'c_tcor': 3.25e-06, 'SOc': 0.4466, 'BOc': 0.0, 'Voff': -0.507, 'TCor': -0.0, 'PCor': 0.000135, 'ScaleFactor': 50.0, 'DarkCounts': 0.047} median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_salinity[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Salinity (Type is String)
    • standard_name: sea_water_salinity (Type is String)
    • units: (Type is String)
    • comment: Derived from cond_frequency from seabird25p.nc via calibration parms: {'t_coefs': 'G', 'c_coefs': 'G', 't_a': 0.0036812134, 't_b': 0.000604232699, 't_c': 1.6552789e-05, 't_d': 2.24436549e-06, 't_f0': 3304.265, 't_g': 0.00485945135, 't_h': 0.00067968862, 't_i': 2.73089135e-05, 't_j': 2.13505939e-06, 't_gf0': 1000.0, 'c_a': 1.220927e-06, 'c_b': 0.457213632, 'c_c': -4.12470337, 'c_d': -7.81556063e-05, 'c_m': 5.2, 'eps': -9.57e-08, 'c_g': -4.13366177, 'c_h': 0.459695177, 'c_i': -0.000732154262, 'c_j': 6.84557314e-05, 'c_pcor': -9.57e-08, 'c_tcor': 3.25e-06, 'SOc': 0.4466, 'BOc': 0.0, 'Voff': -0.507, 'TCor': -0.0, 'PCor': 0.000135, 'ScaleFactor': 50.0, 'DarkCounts': 0.047} median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_temperature_onboard[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Temperature computed onboard the vehicle (Type is String)
    • units: degree_Celsius (Type is String)
    • comment: Temperature computed onboard the vehicle from calibration parameters installed on the vehicle at the time of deployment. median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_conductivity_onboard[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Conductivity computed onboard the vehicle (Type is String)
    • units: Siemens/meter (Type is String)
    • comment: Temperature computed onboard the vehicle from calibration parameters installed on the vehicle at the time of deployment. median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_salinity_onboard[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Salinity computed onboard the vehicle (Type is String)
    • units: (Type is String)
    • comment: Salinity computed onboard the vehicle from calibration parameters installed on the vehicle at the time of deployment. median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_dissolvedO2_port[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen port side sensor (Type is String)
    • units: Volts (Type is String)
    • comment: Analog Voltage Channel 3 - to be converted to umol/kg median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_oxygen_mll_port[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen (Type is String)
    • units: ml/l (Type is String)
    • comment: Derived from dissolvedO2_port from seabird25p.nc and eq 1 calibration coefficients {'Soc': 0.58626, 'offset': -0.517, 'A': -0.0038384, 'B': 0.00019113, 'C': -3.1968e-06, 'D0': 2.5826, 'D1': 0.000192634, 'D2': -0.0464803, 'E': 0.036, 'Tau20': 1.65, 'H1': -0.033, 'H2': 5000.0, 'H3': 1450.0} from cal_file = '/Volumes/DMO/MDUC_CORE_CTD_200103/Calibration Files/SBE-43/2510/2025_Jan/Oxygen_SBE43_2510.xml' median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_oxygen_umolkg_port[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen (Type is String)
    • units: umol/kg (Type is String)
    • comment: Computed from oxygen_mll_port with 'np.multiply(o2_mll * 1.4276, (1.0e6 / (dens * 32)))' median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_dissolvedO2_stbd[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen stbd side sensor (Type is String)
    • units: Volts (Type is String)
    • comment: Analog Voltage Channel 5 - to be converted to umol/kg median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_oxygen_mll_stbd[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen (Type is String)
    • units: ml/l (Type is String)
    • comment: Derived from dissolvedO2_stbd from seabird25p.nc and eq 1 calibration coefficients {'Soc': 0.43332, 'offset': -0.5106, 'A': -0.0037655, 'B': 0.00018802, 'C': -3.038e-06, 'D0': 2.5826, 'D1': 0.000192634, 'D2': -0.0464803, 'E': 0.036, 'Tau20': 1.54, 'H1': -0.033, 'H2': 5000.0, 'H3': 1450.0} from cal_file = '/Volumes/DMO/MDUC_CORE_CTD_200103/Calibration Files/SBE-43/3968/2020_Jul/SBE43_3968.xml' median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_oxygen_umolkg_stbd[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Dissolved Oxygen (Type is String)
    • units: umol/kg (Type is String)
    • comment: Computed from oxygen_mll_stbd with 'np.multiply(o2_mll * 1.4276, (1.0e6 / (dens * 32)))' median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_beam_transmittance[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Beam Transmittance (Type is String)
    • units: % (Type is String)
    • comment: Calibrated Beam Transmittance from seabird25p.nc's transmissometer variable median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
seabird25p_par[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Photosynthetically Available Radiation (Type is String)
    • units: Volts (Type is String)
    • comment: PAR from seabird25p.nc's par variable median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 7.890000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
tailcone_propRpm[ /time= 0..83591] (Type is Float64)
  • attributes
    • _FillValue: NaN (Type is Float64)
    • long_name: Vehicle propeller speed (Type is String)
    • units: rad/s (Type is String)
    • comment: propRpm from tailCone.nc (convert to RPM by multiplying by 9.549297) median filtered with 3 samples and resampled with .mean() aggregator to 1S intervals. (Type is String)
    • instrument_sample_rate_hz: 5.000000000000000 (Type is Float64)
    • coordinates: time depth latitude longitude (Type is String)
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