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Combination of imaging spectrometer data and high-resolution LIDAR data by 3-D radiative transfer modeling


Koetz, Benjamin; Morsdorf, Felix; Kneubühler, Mathias; Schaepman, Michael E; Meier, Erich; Itten, Klaus I; Allgoewer, Britta (2004). Combination of imaging spectrometer data and high-resolution LIDAR data by 3-D radiative transfer modeling. In: 13th Annual JPL Airborne Earth Science Workshop, Pasadena, CA, USA, 31 March 2004 - 2 April 2004, 151-156.

Abstract

Coniferous forests represent canopies with a high heterogeneity in the horizontal and as well in the vertical dimension. Consequently the interaction of incident radiation is dominated by the complex 3-D canopy structure and architecture. Radiative transfer approaches based on coupled leaf and canopy radiative transfer models (RTM) still allow the simulation of the multidirectional canopy reflectance as a function of leaf optical properties, canopy structure and viewing geometry as well as the retrieval of biophysical and biochemical canopy variables. High-resolution imaging spectrometry supported by light detection and ranging (LIDAR) data and the complex 3-D radiative transfer model FLIGHT (North, 1996) are employed to assess the influence of canopy heterogeneity and structure on canopy reflection. Exhaustive ground measurements of biochemical and biophysical parameters combined with the geometry of single trees derived from LIDAR data provide the possibility of a realistic scene parameterization of a boreal forest in Switzerland.

Abstract

Coniferous forests represent canopies with a high heterogeneity in the horizontal and as well in the vertical dimension. Consequently the interaction of incident radiation is dominated by the complex 3-D canopy structure and architecture. Radiative transfer approaches based on coupled leaf and canopy radiative transfer models (RTM) still allow the simulation of the multidirectional canopy reflectance as a function of leaf optical properties, canopy structure and viewing geometry as well as the retrieval of biophysical and biochemical canopy variables. High-resolution imaging spectrometry supported by light detection and ranging (LIDAR) data and the complex 3-D radiative transfer model FLIGHT (North, 1996) are employed to assess the influence of canopy heterogeneity and structure on canopy reflection. Exhaustive ground measurements of biochemical and biophysical parameters combined with the geometry of single trees derived from LIDAR data provide the possibility of a realistic scene parameterization of a boreal forest in Switzerland.

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Additional indexing

Item Type:Conference or Workshop Item (Paper), not refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Language:English
Event End Date:2 April 2004
Deposited On:26 Aug 2014 15:59
Last Modified:16 Aug 2017 01:27
Publisher:s.n.
Additional Information:Proceedings erschienen auf CD-ROM, JPL Publication 05-3
Official URL:http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/38724/1/05-3.pdf

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