AI Article Synopsis
- - Two monthly time series of total precipitable water (TPW) from the ERA5 model show very similar trends, regardless of whether they are derived from hourly or twice-daily analyses.
- - Both TPW and surface temperatures are on the rise, influenced by increasing atmospheric carbon dioxide levels.
- - The findings suggest that data from a single satellite, like Suomi-NPP, is adequate for tracking global changes in temperature and TPW, as it aligns closely with the trends observed in detailed analyses.
Article Abstract
Two total precipitable water (TPW) monthly time series derived from hourly analyses and from 1:30 am and 1:30 pm (local time) analyses, respectively, from European Centre for Medium-Range Weather Forecasts Reanalysis model version 5 (ERA5) data are practically identical. The TPW is increasing as surface and lower tropospheric temperatures are warming. Surface pressure is rising as well because of increased mass from atmospheric carbon dioxide and TPW above the surface. The close similarity of trends using hourly and twice-daily analyses suggest that using well-calibrated observations from a single sun-synchronous polar orbiting satellite, such as Suomi-NPP Advanced Technology Microwave Sounder measurements, can be sufficient to characterize global trends in climate-sensitive surface temperatures and TPW.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589833 | PMC |
| http://dx.doi.org/10.1038/s41598-024-80685-8 | DOI Listing |
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