N: 38.1 S: 36.3 E: -122.9 W: -125.4
Description
This dataset contains profiles of temperature, dissolved oxygen, salinity, and other observations collected by Seagliders during the Sub-Mesoscale Ocean Dynamics Experiment (S-MODE) field campaign. The experiment was conducted approximately 300 km offshore of San Francisco, during 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. Seagliders are autonomous underwater vehicles (AUVs) designed to glide from the ocean surface to as deep as 1000 m and back while
collecting profiles of oceanic variables. Data are available in netCDF format.
Product Summary
Citation
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Variables
The table below lists the variables contained within a single granule for this dataset. Variables often contain observed or derived geophysical measurements collected from a variety of sources, including remote sensing instruments on satellite and airborne platforms, field campaigns, in situ measurements, and model outputs. The terms variable, parameter, scientific data set, layer, and band have been used across NASA’s Earth science disciplines; however, variable is the designated nomenclature in NASA’s Common Metadata Repository (CMR). Variable metadata attributes such as Name, Description, Units, Data Type, Fill Value, Valid Range, and Scale Factor allow users to efficiently process and analyze the data. The full range of attributes may not be applicable to all variables. Additional information on variable attributes is typically available in the data, user guide, and/or other product documentation.
For questions on a specific variable, please use the Earthdata Forum.
| Name Sort descending | Description | Units | Data Type | Fill Value | Valid Range | Scale Factor | Offset |
|---|---|---|---|---|---|---|---|
| aa4831_time | date in for every sample point | seconds since 1970-01-01T00:00:00Z | double | N/A | N/A | 1 | N/A |
| depth | depth | m | float | N/A | N/A | 1 | N/A |
| dissolved_oxygen | Dissolved oxygen recalculated from phase with salinity and pressure corrections | umol kg-1 | float | -999 | N/A | 1 | N/A |
| gps_end_lat | Latitude of GPS fix at end of the dive | degrees_north | float | N/A | -90 to 90 | 1 | N/A |
| gps_end_lon | Longitude of the GPS fix at end of the dive | degrees_east | float | N/A | -180 to 180 | 1 | N/A |
| gps_end_time | Time of the GPS fix at the end of the dive | seconds since 1970-01-01T00:00:00Z | float | N/A | N/A | 1 | N/A |
| gps_start_lat | Latitude of GPS fix at start of the dive | degrees_north | float | N/A | -90 to 90 | 1 | N/A |
| gps_start_lon | Longitude of the GPS fix at start of the dive | degrees_east | float | N/A | -180 to 180 | 1 | N/A |
| gps_start_time | Time of the GPS fix at the start of the dive | seconds since 1970-01-01T00:00:00Z | float | N/A | N/A | 1 | N/A |
| inst_aa4831 | inst_aa4831 | N/A | double | N/A | N/A | 1 | N/A |
| inst_ctd | inst_ctd | N/A | double | N/A | N/A | 1 | N/A |
| inst_wlbb2fl | inst_wlbb2fl | N/A | double | N/A | N/A | 1 | N/A |
| latitude | latitude of every sample point, from the flight model when underwater | degrees_north | float | N/A | -90 to 90 | 1 | N/A |
| lat_dive | average latitude of the dive | degrees_north | float | N/A | N/A | 1 | N/A |
| longitude | longitude of every sample point, from the flight model when underwater | degrees_east | float | N/A | -180 to 180 | 1 | N/A |
| lon_dive | average longitude of the dive | degrees_east | float | N/A | N/A | 1 | N/A |
| salinity | corrected salinity | 1 | float | -999 | 0 to 40 | 1 | N/A |
| surface_curr_east | surface current in the east direction from the gps track | m s-1 | float | -999 | -2 to 2 | 1 | N/A |
| surface_curr_north | surface current in the north direction from gps track | m s-1 | float | -999 | -2 to 2 | 1 | N/A |
| temperature | corrected in-situ temperature | degrees_C | float | -999 | -2.6 to 40 | 1 | N/A |
| time | time for every sample point | seconds since 1970-01-01T00:00:00Z | double | N/A | N/A | 1 | N/A |
| time_dive | average time for the dive | seconds since 1970-01-01T00:00:00Z | float | N/A | N/A | 1 | N/A |
| u_dive | depth-average current in the east direction from the flight model | m s-1 | float | -999 | -2 to 2 | 1 | N/A |
| v_dive | depth-average current in the north direction from the flight model | m s-1 | float | -999 | -2 to 2 | 1 | N/A |
| wlbb2fl_sig470nm_adjusted | total volume blue scattering coefficient using manufacturer-supplied dark counts and scaling factor | m-1 sr-1 | float | -999 | 0 to 0.1 | 1 | N/A |
| wlbb2fl_sig695nm_adjusted | chlorophyll-a concentration using manufacturer-supplied dark counts and scaling factor based on phytoplankton monoculture | ug L-1 | float | -999 | N/A | 1 | N/A |
| wlbb2fl_sig700nm_adjusted | total volume red scattering coefficient using manufacturer-supplied dark counts and scaling factor | m-1 sr-1 | float | -999 | N/A | 1 | N/A |
| wlbb2fl_time | date for every sample point | seconds since 1970-01-01T00:00:00Z | double | N/A | N/A | 1 | N/A |