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NRT Notification Detail
| New demonstrational ROM SAF dataset: Decadal climate trends in the atmosphere |
| DATE: 2026-03-20 12:26 TYPE: DATA |
| Description |
| Dear ROM SAF Data User Issued: 2026-03-20 12:24 UTC The radio occultation (RO) climate data record now covers more than 20 years, which is sufficient to estimate long-term trends in parts of the Earth's atmosphere. The RO data show that in the first two decades of the 21st century, the Earth's lowest atmospheric layer---the troposphere---warmed significantly, by up to 0.5 K per decade, while the layer above that---the stratosphere---cooled by about the same amount. The ROM SAF now releases a set of plots demonstrating the main results from a ROM SAF study: latitude- and altitude-resolved decadal trends for physical variables including temperature, refractivity, and bending angle. Trends are shown for ROM SAF climate data records, as well as for ERA5 reanalysis data, and regions with statistically significant trends are indicated as hatched regions in the plots. More information is found at the ROM SAF web page: https://rom-saf.eumetsat.int/pub/demo/decadal_climate_trends/. The gridded monthly-mean RO trends are based on data that are sampling-error corrected. The time series consists of the multi-mission CDR (GRM-28-R1) from 2002 to 2016, which is extended by the Metop ICDR (GRM-29-I1) after that. The ROM SAF gridded monthly-mean data are available for download from: https://rom-saf.eumetsat.int/cdrpage.php. Kind regards The ROM SAF Team |
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The ROM SAF products are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0) by EUMETSAT. Whether you're displaying the product as-is or if you have used it as input data, please use the attribution suggested on ROM SAF usage policy and acknowledgement.
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