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J Exp Bot. 2007;58(4):855-67. Epub 2006 Sep 21.

Hyperspectral remote sensing of plant pigments.

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  • 1Department of Geography, Lancaster University, Lancaster LA1 4YB, UK. alan.blackburn@lancaster.ac.uk

Abstract

The dynamics of pigment concentrations are diagnostic of a range of plant physiological properties and processes. This paper appraises the developing technologies and analytical methods for quantifying pigments non-destructively and repeatedly across a range of spatial scales using hyperspectral remote sensing. Progress in deriving predictive relationships between various characteristics and transforms of hyperspectral reflectance data are evaluated and the roles of leaf and canopy radiative transfer models are reviewed. Requirements are identified for more extensive intercomparisons of different approaches and for further work on the strategies for interpreting canopy scale data. The paper examines the prospects for extending research to the wider range of pigments in addition to chlorophyll, testing emerging methods of hyperspectral analysis and exploring the fusion of hyperspectral and LIDAR remote sensing. In spite of these opportunities for further development and the refinement of techniques, current evidence of an expanding range of applications in the ecophysiological, environmental, agricultural, and forestry sciences highlights the growing value of hyperspectral remote sensing of plant pigments.

PMID:
16990372
DOI:
10.1093/jxb/erl123
[PubMed - indexed for MEDLINE]
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