NDLI: Closed loop brightness temperature data inversion for the retrieval of soil hydraulic properties

Content Provider	IEEE Xplore Digital Library
Author	Dimitrov, M. Vanderborght, J. Jadoon, K.Z. Schwank, M. Weihermueller, L. Vereecken, H.
Copyright Year	2011
Description	Author affiliation: German Research Centre for Geosciences, Potsdam, GERMANY (Schwank, M.) \|\| Research Centre Jülich, Institute of Bio- and Geosciences: Agrosphere (IBG 3), GERMANY (Dimitrov, M.; Vanderborght, J.; Jadoon, K.Z.; Weihermueller, L.; Vereecken, H.)
Abstract	We combined the radiative transfer approach to simulate L-band brightness temperatures at 1.4 GHz with a hydrological simulator (HYDRUS 1D) and a global optimization routine SCE-UA to estimate the Mualem van Genuchten (MVG) soil hydraulic parameters from time-lapse L-band brightness temperatures and in situ soil moisture measurements at different depths. The measurements were collected from a bare soil plot, prepared after ploughing. First, we briefly described the coupled inversion procedure and compared the results with measured brightness temperatures and in-situ soil moisture data. Second, estimated soil hydraulic parameters were compared with laboratory derived ones. The results suggest that the proposed method is promising for the effective characterization of the soil hydraulic properties and the determination of soil moisture within the top soil layer.
Starting Page	1219
Ending Page	1222
File Size	320984
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049418
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Soil measurements Brightness temperature Mathematical model Soil moisture Dielectrics passive microwave remote sensing soil moisture soil properties brightness temperature
Content Type	Text
Resource Type	Article

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