N: 36.2 S: 35.8 E: -125 W: -125.2
Description
This dataset provides the conductivity, temperature and depth (CTD) measurements from the fixed-depth CTD sensors mounted on a full-depth mooring deployed by the SWOT prelaunch field campaign. The campaign was designed to test the performance of several instruments/platforms in meeting the SWOT Calibration/Validation (CalVal) requirement. It was conducted near the SWOT CalVal crossover location, about 300 kilometers west of Monterey, California between September, 2019 and January, 2020. These fixed-depth CTDs cover the full depth from the ocean surface to the bottom. The surface buoy is equipped with a Global Positioning System (GPS) https://doi.org/10.5067/SWTPR-GPS01. There is also an adjacent bottom pressure recorder https://doi.org/10.5067/SWTPR-BPR01. The campaign also deployed another two CTD moorings, a slocum glider, one bottom pressure recorder and one Pressure Inverted Echo Sounder. Details can be found in the user guide and the journal reference given in the documentation section.
Product Summary
Citation
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Documents
DATA CITATION GUIDELINES
GENERAL DOCUMENTATION
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 |
|---|---|---|---|---|---|---|
| CNDC | CNDC | mS cm-1 | float | N/A | 0 to 90 | 1 |
| CNDC_QC | This quality control flag describes the data that link here through the ancillary_variables attribute. | N/A | byte | N/A | 0 to 8 | 1 |
| DEPTH | Time-varying depth of each instrument, estimated from pressure data. | m | float | N/A | 0 to 12000 | 1 |
| DEPTH_NOMINAL | These are nominal values. Use PRES to derive time-varying depths of instruments, as the mooring may tilt in ambient currents. | m | double | N/A | 0 to 5000 | 1 |
| LATITUDE | This is the nominal position. The mooring had a watch circle of several km around this position. | degrees_north | double | N/A | -90 to 90 | 1 |
| LONGITUDE | This is the nominal position. The mooring had a watch circle of several km around this position. | degrees_east | double | N/A | -180 to 180 | 1 |
| PRES | Sea surface is zero, i.e. air pressure is removed. | dbar | float | N/A | 0 to 12000 | 1 |
| PRES_QC | This quality control flag describes the data that link here through the ancillary_variables attribute. | N/A | byte | N/A | 0 to 8 | 1 |
| PSAL | Given on PSS-78 scale. | 1 | float | N/A | 0 to 45 | 1 |
| PSAL_QC | This quality control flag describes the data that link here through the ancillary_variables attribute. | N/A | byte | N/A | 0 to 8 | 1 |
| TEMP | Given on ITS-90 scale. | degree_Celsius | float | N/A | -2 to 40 | 1 |
| TEMP_QC | This quality control flag describes the data that link here through the ancillary_variables attribute. | N/A | byte | N/A | 0 to 8 | 1 |
| TIME | TIME | days since 19500101T000000Z | double | N/A | 0 to 90000 | 1 |