Jones, Steve D; Le Quéré, Corinne; Rödenbeck, Christian; Manning, Andrew C; Olsen, Are (2019): Update to the Data and Code archive for the interpolation of surface ocean carbon dioxide [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.898196
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Abstract:
We have developed a statistical gap-filling method adapted to the specific coverage and properties of observed fugacity of surface ocean CO2 (fCO2). We have used this method to interpolate the Surface Ocean CO2 Atlas (SOCAT) v2 database on a 2.5°×2.5° global grid for 1985-2017 at monthly resolution. The method combines a spatial interpolation based on a 'radius of influence' to determine nearby similar fCO2 values with temporal harmonic and cubic spline curve-fitting, and also fits long term trends and seasonal cycles. Interannual variability is established using deviations of observations from the fitted trends and seasonal cycles. An uncertainty is computed for all interpolated values based on the spatial and temporal range of the interpolation. Tests of the method using model data show that it performs as well as or better than previous regional interpolation methods, but in addition it provides a near-global and interannual coverage.
Related to:
Jones, Steve D; Le Quéré, Corinne; Rödenbeck, Christian; Manning, Andrew C; Olsen, Are (2015): A statistical gap-filling method to interpolate global monthly surface ocean carbon dioxide data. Journal of Advances in Modeling Earth Systems, 7(4), 1554-1575, https://doi.org/10.1002/2014MS000416
Original version:
Jones, Steve D; Le Quéré, Corinne; Rödenbeck, Christian; Manning, Andrew C; Olsen, Are (2015): Data and Code archive for the interpolation of surface ocean carbon dioxide. PANGAEA, https://doi.org/10.1594/PANGAEA.849262
Project(s):
Surface Ocean CO2 Atlas Project (SOCAT)
Comment:
This archive contains an update of the final interpolated data set (with uncertainties); the code used to perform the gap-filling with instructions remains unchanged.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | File content | Content | Jones, Steve D | |||
| 2 | File name | File name | Jones, Steve D | |||
| 3 | File size | File size | kByte | Jones, Steve D | ||
| 4 | Uniform resource locator/link to file | URL file | Jones, Steve D |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
8 data points
Data
| 1 Content | 2 File name | 3 File size [kByte] | 4 URL file |
|---|---|---|---|
| final interpolated data set (with uncertainties) | statistical_gap-filled_fco2_v1-0_20150910.nc.zip | 26900 | statistical_gap-filled_fco2_v1-0b_20180207.nc.zip |
| code used to perform the gap-filling with instructions | statistical_gapfilling_co2_v1-0_20150910_code.zip | 29100 | statistical_gapfilling_co2_v1-0_20150910_code.zip |