S-MODE L2 Shipboard Thermosalinograph, Meteorology, and Bio-optics Measurements Version 1
(SMODE_L2_SHIPBOARD_TSG_V1)| Version | 1 |
| Processing Level | 2 |
| Start/Stop Date | 2021-Aug-01 to 2023-May-04 |
| Short Name | SMODE_L2_SHIPBOARD_TSG_V1 |
| Description | This dataset contains shipboard thermosalinograph (TSG), meteorology, and bio-optics measurements taken during the Sub-Mesoscale Ocean Dynamics Experiment (S-MODE) field campaign. The experiment was conducted approximately 300 km offshore of San Francisco, during a pilot campaign that spanned two weeks in October 2021, and two intensive operating periods in Fall 2022 and Spring 2023. S-MODE aims to understand how ocean dynamics acting on short spatial scales influence the vertical exchange of physical and biological variables in the ocean. The TSG instrument measures the temperature and conductivity of seawater passing through a port in the hull of the ship. TSG data is calibrated using water samples compared to standard seawater and a laboratory salinometer onboard the ship. This dataset also contains chlorophyll and meteorology measurements including air temperature, barometric pressure, wind speed and direction, relative humidity, and radiative fluxes. Data are available in netCDF format, with separate dimensions for time, time of bio-optics measurements, and time of radiometer measurements. |
| DOI | 10.5067/SMODE-RVTSG |
| Measurement | OCEANS > SALINITY/DENSITY OCEANS > SALINITY/DENSITY > CONDUCTIVITY OCEANS > SALINITY/DENSITY > SALINITY OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS ATMOSPHERE > ATMOSPHERIC PRESSURE > ATMOSPHERIC PRESSURE MEASUREMENTS ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE OCEANS > OCEAN OPTICS > CHLOROPHYLL |
| Platform/Sensor | Ships / Platform Name: (Ships) THERMOSALINOGRAPHS SENSOR Name: THERMOSALINOGRAPHS (THERMOSALINOGRAPHS) Ships / Platform Name: (Ships) FLUOROMETERS SENSOR Name: FLUOROMETERS (FLUOROMETERS) |
| Project | Sub-Mesoscale Ocean Dynamics Experiment (S-MODE) |
| Data Provider | Publisher: S-MODE Project Data Manager, Fred Bingham Creator: S-MODE Team Release Date: 2022-Sep-01 Resource: http://podaac.jpl.nasa.gov/S-MODE |
| Format | netCDF-4 |
| Keyword(s) | S-MODE, Sub-Mesoscale Ocean Dynamics Experiment, earth science, oceans, salinity/density, conductivity, precipitation, precipitation rate, ocean winds, surface winds, wind speed, wind direction, ocean temperature, sea surface temperature, water vapor indicators, atmospheric pressure measurements, ship, shipboard, in-situ, thermosalinograph, TSG, meteorology, radiometer, chlorophyll |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution Temporal Resolution: 1 second - < 1 minute Coverage North Bounding Coordinate: 38.1 degrees South Bounding Coordinate: 36.3 degrees West Bounding Coordinate: -125.4 degrees East Bounding Coordinate: -122.9 degrees Time Span: 2021-Aug-01 to 2023-May-04 Projection Ellipsoid: WGS 84 |
| DIRECT ACCESS | |
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| Available for access in-region with AWS Cloud | |
Region | |
| us-west-2 | |
| podaac-ops-cumulus-protected/SMODE_LX_SHIPBOARD_TSG_V1/ | |
| podaac-ops-cumulus-public/SMODE_LX_SHIPBOARD_TSG_V1/ | |
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| Name | Long Name | Unit |
|---|---|---|
| absorbtion_676nm_ACS | Absorption line height at 676 nm from the ACS (Seabird Scientific) | m-1 |
| air_pressure | Barometric Pressure | mbar |
| air_temperature | Air Temperature | degrees_c |
| barometric_pressure | Barometric Pressure | hPa |
| beam_attenuation_657nm_ACS | beam attenuation from ACS at 657 nm, | m-1 |
| beam_attenuation_657nm_CSTAR | Beam attenuation at 657 nm from the Wetlabs C-Star | m-1 |
| chlorophyll | Chlorophyll Measurement | ug L-1 |
| chlorophyll_ACS | ACS (Seabird Scientific)-derived chlorophyll from absorption line height at 657 nm (PRIMARY CHL PROXY) | ug L-1 |
| chlorophyll_flourometer | Calibrated chlorophyll-fluorescence | ug L-1 |
| conductivity | Conductivity | S m-1 |
| conductivity_bow | Sea Water Conductivity from Bow TSG | mS cm-1 |
| conductivity_bow_uncorrected | Uncorrected Sea Water Conductivity from Bow TSG | mS cm-1 |
| conductivity_lab | Sea Water Conductivity from Main Lab TSG | mS cm-1 |
| conductivity_lab_uncorrected | Uncorrected Sea Water Conductivity from Main Lab TSG | 1 |
| CSTAR_QCflag | Data Flags for CSTAR Beam Attenuation and POC | |
| dew_point | Dew Point | degrees_c |
| flow_rate_bow_pco2 | Flow Rate Through Bow PCO2 | L min-1 |
| flow_rate_bow_tsg | Flow Rate Through Bow TSG | L min-1 |
| flow_rate_lab_tsg | Flow Rate Through Lab TSG | L min-1 |
| FLW09 | Flow Meter at Main Lab System | |
| FLW19 | Flow Meter at Bow TSG System | |
| FLW20 | Flow Meter at Bow PCO2 System | |
| INST_ACS | Seabird ac-s Spectral Absorption and Attenuation (ACS) | |
| INST_CSTAR | WET Labs C-Star transmissometer (657 nm) | |
| INST_FL | WET Labs chlorophyll fluorometer | |
| latitude | Latitude of Meteorology/TSG Measurement | degrees_north |
| latitude_bio | Latitude of Bio-Optical Flowthrough Measurement | degrees_north |
| latitude_radiometer | Latitude of Radiometer Measurement | degrees_north |
| long_wave_flux | Long Wave Downward Flux | W m-2 |
| longitude | Longitude of Meteorology/TSG Measurement | degrees_east |
| longitude_bio | Longitude of Bio-Optical Flowthrough Measurement | degrees_east |
| longitude_radiometer | Longitude of Radiometer Measurement | degrees_east |
| longwave_body_temperature | Longwave radiometer body temperature | degrees_C |
| longwave_dome_temperature | Longwave radiometer dome temperature | degrees_C |
| longwave_flux | Downwelling longwave flux in air measured by ASIMET shortwave radiometer | W m-2 |
| longwave_thermopile_voltage | Longwave radiometer thermopile voltage | microvolts |
| optode_temperature | Optode Temperature | degrees_c |
| oxygen | Volume Concentration of Oxygen in Seawater | ml l-1 |
| par | PAR/Irradiance | volts |
| particulate_organic_carbon_acs | ACS cp(657 nm) derived POC | umol L-1 |
| particulate_organic_carbon_cstar | POC derived from the Wetlabs C-Star | umol L-1 |
| photosynthetically_active_radiation | Photosynthetically Active Radiation | mol m-2 s-1 |
| poc | Particulate Organic Carbon | umol L-1 |
| relative_humidity | Relative Humidity | percent |
| salinity | Sea Water Salinity | 1 |
| salinity_bow | Sea Water Practical Salinity from Bow TSG | 1 |
| salinity_lab | Sea Water Practical Salinity from Main Lab TSG | 1 |
| ship_heading | Heading of R/V Sally Ride | degrees |
| ship_speed | Speed of R/V Sally Ride | m s-1 |
| short_wave_flux | Short Wave Downward Flux | W m-2 |
| shortwave_flux | Downwelling shortwave flux in air measured by ASIMET shortwave radiometer | W m-2 |
| sigma_T_bow | Sea Water Sigma-T from Bow TSG | Kg m-3 |
| sigma_T_lab | Sea Water Sigma-T from Main Lab TSG | Kg m-3 |
| sound_velocity_bow | Sound Velocity in Sea Water from Bow TSG | m s-1 |
| sound_velocity_lab | Sound Velocity in Sea Water from Main Lab TSG | m s-1 |
| SST62 | Hull Temperature Sensor at Transducer Void | |
| time | Time of Meteorology/TSG Measurement | days since 1950-01-01 |
| time_bio | Time of Bio-Optical Flowthrough Measurement | days since 1950-01-01 |
| time_radiometer | Time of Radiometer Measurement | days since 1950-01-01 |
| TSG73 | Thermosalinograph at Main Lab | |
| TSG86 | Thermosalinograph at Bow Thruster UCW Intake | |
| water_temperature | Water Temperature | degrees_C |
| water_temperature_bow | Sea Water Temperature from Bow TSG | degrees_c |
| water_temperature_hull | Sea Water Temperature Measured at the Hull | degrees_c |
| water_temperature_lab | Sea Water Temperature from Main Lab TSG | degrees_c |
| wind_direction | Actual Wind Direction | degrees |
| wind_speed | Actual Wind Speed | m s-1 |
Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
| Citation | S-MODE Team. 2022. S-MODE Shipboard Thermosalinograph, Meteorology and Bio-optics Measurements Version 1. Ver. 1. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SMODE-RVTSG
For more information see Data Citations and Acknowledgments.
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