Atmospheric Brightness Temperature Fluctuations in the Resonance Absorption Band of Water Vapor 1827.2 GHz

被引：4

作者：

Egorov, Dobroslav P. ^{[1
]}

Kutuza, Boris G. ^{[1
]}

机构：

[1] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Dept Remote Sensing Earth & Atmosphere, Moscow 125009, Russia

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2021年 / 59卷 / 09期

关键词：

Temperature measurement; Microwave radiometry; Atmospheric measurements; Brightness temperature; Absorption; Microwave measurement; fluctuations; microwave; structural function; water vapor; MICROWAVE-RADIATION; SEA;

D O I：

10.1109/TGRS.2020.3034533

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The results of processing new experimental data on descending radiation of atmosphere in the resonant band of water vapor absorption from 18 to 27.2 GHz are presented. The experiment was carried out using special multichannel microwave radiometer-spectrometer. Both summer and winter measurement periods for 2018-2019 are considered. When assessing the dynamics of brightness temperature fluctuations, the mathematical apparatus of structural functions is used. The frequency spectra of square root of structural function for various values of temporal interval are shown. Some experimental dependences of square root of structural function on air temperature and absolute humidity observed near the surface of the Earth under clear sky conditions are presented.

引用

页码：7627 / 7634

页数：8

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