NDLI: An empirical approach for retrieving leaf area index from multifrequency SAR data

Content Provider	IEEE Xplore Digital Library
Author	Paloscia, S.
Copyright Year	1995
Description	Author affiliation: CNR/IROE, Firenze, Italy (Paloscia, S.)
Abstract	In this paper an empirical approach for retrieving leaf area index from multifrequency SAR data is presented. From previous results obtained through multifrequency-multipolarization SAR data analysis collected on agricultural fields over the past years, a clear relationship between L-band data and the leaf area index of certain crop types has been observed, mainly at HV polarization. Since other bands, such as C- and P-bands, have been found sensitive to vegetation biomass as well, although to a lesser extent, a multifrequency approach has been tried in order to extend this relation to other crops. In doing so the backscattering coefficent at P-, L- and C-bands has been related to a volumetric leaf area index (i.e., multiplied by the average leaf thickness) normalized to the wave number. The obtained correlation has been used to retrieve leaf area index from multifrequency SAR data.
Starting Page	967
Ending Page	969
File Size	334313
Page Count	3
File Format	PDF
ISBN	0780325672
DOI	10.1109/IGARSS.1995.521110
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-07-10
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Information retrieval Crops Polarization Backscatter Biomass Vegetation mapping Area measurement Testing Data analysis Geometry
Content Type	Text
Resource Type	Article

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