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Retrieval and Analysis of the Strongest Mixed Layer in the Troposphere

College of Meteorology and Oceanography, National University of Defense Technology, Changsha 410073, China
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Atmosphere 2020, 11(3), 264; https://doi.org/10.3390/atmos11030264
Received: 2 December 2019 / Revised: 23 February 2020 / Accepted: 4 March 2020 / Published: 6 March 2020
(This article belongs to the Special Issue Gravity Waves in the Atmosphere)
In this article, Thorpe analysis, which often retrieves the characteristics of mixing in the free atmosphere from balloon sounding data, is applied to the data of the Constellation Observing System for Meteorology, Ionosphere and Climate (COSMIC). We find that the COSMIC data can well retrieve the strongest mixed layer in the troposphere (SMLT) altitude, and can reveal the basic variation trend of the SMLT thickness and Thorpe scale L T . We use COSMIC data to reveal the global spatial and temporal distribution of the SMLT from 2007 to 2015 and analyze the fluctuation period of the SMLT altitude with Hilbert–Huang transform (HHT), we find that the variation of the SMLT altitude is influenced by the dual effects of terrain and solar radiation. View Full-Text
Keywords: turbulence; strongest mixed layer; troposphere; Thorpe analysis turbulence; strongest mixed layer; troposphere; Thorpe analysis
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Sheng, Z.; Zhou, L.; He, Y. Retrieval and Analysis of the Strongest Mixed Layer in the Troposphere. Atmosphere 2020, 11, 264.

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