Description
This dataset provides hourly ocean bottom pressure measurements at the North Pole from the Arctic Bottom Pressure Recorder - Follow On (ABPR-FO) from August 2022 to August 2023. Based around a Paroscientific Digiquartz pressure sensor, the ABPR-FO was designed and powered to collect and transmit data which was then collected, quality-controlled and updated at PO.DAAC on a yearly basis. The full time series is provided as a single netCDF file, and reports both bottom pressure (reported as liquid water equivalent thickness) and temperature. This dataset aims to serve as in situ validation for GRACE-FO data products in the central Arctic. This project is funded by NASA’s GRACE and GRACE-FO Science Team and supported by PONANT Science.
Product Summary
Citation
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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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 |
|---|---|---|---|---|---|---|---|
| obp | Ocean bottom pressure is total pressure as measured at the seafloor (atmospheric pressure included). Pressure conversion using 1 psi to 670 mm | m | double | -9999 | 4203.647 to 4204.239 | 1 | N/A |
| temp | Ocean temperature as measured at the seafloor | degC | double | -9999 | -0.192 to -0.149 | 1 | N/A |
| time | time | days since 2022-08-14T11:00:00+00:00 | double | N/A | N/A | 1 | N/A |