| Generic Description: | Correction of Wet Tropospheric Correction | |||||
| Parameter: | wtropc | Recordmap: | wtropc | |||
| Unit: | m | Size: | 4 | Scaling: | -6 | |
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Jason-3 (Extended Mission)
SGDR-F 1Hz |
Correction of Wet Tropospheric Correction
Recent assessments of the global sea level budget have resulted in increased scrutiny of estimates of global sea level change based on HDR Jason-3 (https://www.ncei.noaa.gov/archive/accession/Jason3-xGDR). After a careful assessment of the wet tropospheric correction derived from the Advanced Microwave Radiometer (AMR) instrument, it was determined that further improvements to the accuracy of the historical Jason-3 observations could be made. Since this assessment was only completed after Jason-3 data was reprocessed to GDR-F (Geophysical Data Record Version F) standards, it was not included in the GDR-F product release. For this reason, a supplementary correction product has been created using the method of Brown et al. (2012) that will allow users to correct path delay and sea surface height observations, reducing errors in estimates of global sea level change by 2-3 mm over 8 years. The correction should be applied in an ADDITIVE sense to RANGE, or it can be SUBTRACTED from SEA SURFACE HEIGHT ANOMALY in order to apply the correction. When corrected properly, the result should be to REDUCE the amount of global sea level rise observed by the Jason-3 mission by about 2 mm between 2016 and 2023. Documentation for the correction can be found here: https://podaac.jpl.nasa.gov/dataset/JASON_3_PD_CORRECTION/ Reference: Brown, S. (2012). Maintaining the long-term calibration of the Jason-2/OSTM advanced microwave radiometer through intersatellite calibration. IEEE transactions on geoscience and remote sensing, 51(3), 1531-1543. |
|
Jason-3
SGDR-F 1Hz |
Correction of Wet Tropospheric Correction
Recent assessments of the global sea level budget have resulted in increased scrutiny of estimates of global sea level change based on HDR Jason-3 (https://www.ncei.noaa.gov/archive/accession/Jason3-xGDR). After a careful assessment of the wet tropospheric correction derived from the Advanced Microwave Radiometer (AMR) instrument, it was determined that further improvements to the accuracy of the historical Jason-3 observations could be made. Since this assessment was only completed after Jason-3 data was reprocessed to GDR-F (Geophysical Data Record Version F) standards, it was not included in the GDR-F product release. For this reason, a supplementary correction product has been created using the method of Brown et al. (2012) that will allow users to correct path delay and sea surface height observations, reducing errors in estimates of global sea level change by 2-3 mm over 8 years. The correction should be applied in an ADDITIVE sense to RANGE, or it can be SUBTRACTED from SEA SURFACE HEIGHT ANOMALY in order to apply the correction. When corrected properly, the result should be to REDUCE the amount of global sea level rise observed by the Jason-3 mission by about 2 mm between 2016 and 2023. Documentation for the correction can be found here: https://podaac.jpl.nasa.gov/dataset/JASON_3_PD_CORRECTION/ Reference: Brown, S. (2012). Maintaining the long-term calibration of the Jason-2/OSTM advanced microwave radiometer through intersatellite calibration. IEEE transactions on geoscience and remote sensing, 51(3), 1531-1543. |