Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/115410
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dc.titleEffects of leaf water content on reflectance
dc.contributor.authorNg, C.Q.J.
dc.contributor.authorToh, Y.Y.
dc.contributor.authorLam, C.Y.L.
dc.contributor.authorChang, C.W.
dc.contributor.authorLiew, S.C.
dc.date.accessioned2014-12-12T07:15:17Z
dc.date.available2014-12-12T07:15:17Z
dc.date.issued2007
dc.identifier.citationNg, C.Q.J.,Toh, Y.Y.,Lam, C.Y.L.,Chang, C.W.,Liew, S.C. (2007). Effects of leaf water content on reflectance. 28th Asian Conference on Remote Sensing 2007, ACRS 2007 1 : 631-636. ScholarBank@NUS Repository.
dc.identifier.isbn9781615673650
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115410
dc.description.abstractThe aim of this project was to study how the reflectance spectra of leaves were affected by water content. Reflectance spectra of leaves were measured using a portable field spectrometer (ASD FieldSpecPro). The leaf water content was measured in the laboratory by measuring the fresh weight and the dry weight after heating in an oven. The leaf reflectance at several stages of drying was measured to determine the change in reflectance due to decreasing water content. The reflectance spectra were analyzed to determine specific spectra features that correlate well with the equivalent water thickness (EWT). The wavelengths that have high correlation with EWT are near the green peak at 550 nm, near the red edge at 730 nm and the water absorption band at 1440 nm. Correlation with EWT can be improved when ratios of reflectance at wavelengths where there is high correlation with EWT are taken. The results are useful in developing non-destructive methods of determining the water content of leaves.
dc.sourceScopus
dc.subjectLeaf water content
dc.subjectReflectance
dc.subjectReflectance ratio
dc.typeConference Paper
dc.contributor.departmentCTR FOR REM IMAGING,SENSING & PROCESSING
dc.description.sourcetitle28th Asian Conference on Remote Sensing 2007, ACRS 2007
dc.description.volume1
dc.description.page631-636
dc.identifier.isiutNOT_IN_WOS
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