NDLI: An empirical model to estimate the microwave penetration depth of frozen soil

Content Provider	IEEE Xplore Digital Library
Author	Shaojie Zhao Lixin Zhang Tao Zhang Zhenguo Hao Linna Chai Zhongjun Zhang
Copyright Year	2012
Description	Author affiliation: State Key Lab. of Remote Sensing Sci., Beijing Normal Univ., Beijing, China (Shaojie Zhao; Lixin Zhang; Tao Zhang; Zhenguo Hao; Linna Chai) \|\| Coll. of Inf. Sci. & Technol., Beijing Normal Univ., Beijing, China (Zhongjun Zhang)
Abstract	The technique of microwave remote sensing has been used to monitor the soil frozen/thawed status for many years. The dielectric constant of frozen soil is relatively lower than that of unfrozen soil, so that microwave could penetrate deeper into frozen soil. However, we are still lack of the knowledge of the Microwave Penetration Depth (MPD) of frozen soil. In this study, a noncoherent microwave radiation was used to find the factors that influence the MPD of frozen soil and then validated by experiments. The results showed that the frequency of microwave, the temperature of frozen soil and the soil texture are the main factors that determine the MPD of frozen soil. An empirical model that estimates the MPD of frozen soil was proposed based on the simulation data.
Sponsorship	IEEE Geoscience Remote Sensing Soc.
Starting Page	4493
Ending Page	4496
File Size	284071
Page Count	4
File Format	PDF
ISBN	9781467311601
ISSN	21536996
e-ISBN	9781467311595
e-ISBN	9781467311588
DOI	10.1109/IGARSS.2012.6350473
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Soil Microwave radiometry Microwave theory and techniques Microwave measurements Temperature measurement Aluminum Soil measurements microwave radiation Microwave remote sensing frozen soil penetration depth
Content Type	Text
Resource Type	Article

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