期刊
GEOPHYSICAL RESEARCH LETTERS
卷 41, 期 21, 页码 7694-7700出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/2014GL061861
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资金
- STFC MSSL [ST/K000977/1]
- STFC [ST/K000977/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K000977/1] Funding Source: researchfish
Terrestrial atmospheric and oceanic spectra show drastic transitions at tau(w) approximate to 10 days and tau(ow) approximate to 1 year, respectively; this has been theorized as the lifetime of planetary-scale structures. For wind and temperature, the forms of the low-and high-frequency parts of the spectra (macroweather and weather) as well as the tau(w) can be theoretically estimated, the latter depending notably on the solar-induced turbulent energy flux. We extend the theory to other planets and test it using Viking lander and reanalysis data from Mars. When the Martian spectra are scaled by the theoretical amount, they agree very well with their terrestrial atmospheric counterparts. We discuss the implications for understanding planetary fluid dynamical systems.
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