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	TEMPORAL VARIATIONS OF SURFACE AND ATMOSPHERE CHARACTERISTICS IN TAKLAMAKAN DESERT FROM AMSR2 OBSERVATIONS
	Mitnik, Leonid; Kuleshov, Vladimir; Mitnik, Maia; Khazanova, Elena
通讯作者	Mitnik, L (corresponding author), Russian Acad Sci, Far Eastern Branch, VI Ilichev Pacific Oceanol Inst, Vladivostok, Russia.
会议名称	IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
会议日期	JUL 28-AUG 02, 2019
会议地点	Yokohama, JAPAN
英文摘要	Taklamakan is the second largest shifting sand desert in the world and a major source of dust aerosols in East Asia. The time series of GCOM-W1 AMSR2 brightness temperatures T(B)s were constructed over the Tazhong weather station (39.00 degrees N, 83.40 degrees E, elevation H =1100 m) in Taklamakan desert for the period 1 January 2015 - 31 December, 2016. T(B)s were analyzed together with the time series of meteorological variables: air pressure, temperature and humidity, measured 8 times per a day. The AMSR2 sensing was performed on the ascending (A) and descending (D) orbits at approximately 1:30 PM and 1:30 AM (local time), which is close to the daily maximum and minimum air surface temperature T-air, respectively. Land surface temperature was not measured. The T(B)s were averaged each day separately for ascending and descending orbits. The seasonal, synoptic, and diurnal T-B variations differ significantly with frequency and polarization. The influence of the variations of atmosphere parameters and the surface emissivity on T(B)s was estimated by numerical integrating of the microwave radiation transfer equation in the atmosphere-underlying surface system The linear regression equations T-air = F[T-B(nu)] were derived and the T-air retrieval errors were estimated. The proposed method of T-air estimating can be applied in areas with different physical-geographic conditions, including Greenland and Antarctica, as well as for external calibration of satellite microwave radiometers.
英文关键词	Remote sensing microwave radiometry AMSR2 Taklamakan desert air surface temperature time series brightness temperature variability
来源出版物	2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019)
ISSN	2153-6996
出版年	2019
页码	6429-6432
ISBN	978-1-5386-9154-0
出版者	IEEE
类型	Proceedings Paper
语种	英语
收录类别	CPCI-S
WOS记录号	WOS:000519270606028
WOS关键词	MICROWAVE
WOS类目	Geosciences, Multidisciplinary ; Remote Sensing
WOS研究方向	Geology ; Remote Sensing
资源类型	会议论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/370110
作者单位	[Mitnik, Leonid; Kuleshov, Vladimir; Mitnik, Maia; Khazanova, Elena] Russian Acad Sci, Far Eastern Branch, VI Ilichev Pacific Oceanol Inst, Vladivostok, Russia
推荐引用方式 GB/T 7714	Mitnik, Leonid,Kuleshov, Vladimir,Mitnik, Maia,et al. TEMPORAL VARIATIONS OF SURFACE AND ATMOSPHERE CHARACTERISTICS IN TAKLAMAKAN DESERT FROM AMSR2 OBSERVATIONS[C]:IEEE,2019:6429-6432.