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Forest ecosystem chlorophyll, content: implications for remotely sensed estimates of net primary productivity, 2003

Record type: Article

Current methods for estimating photosynthesis and hence net primary productivity (NPP) of forest ecosystems from remote sensing are based on the relationship between (i) the fraction of incident photosynthetically-active radiation absorbed by the canopy (fPAR) and (ii) spectral indices (e.g. NDVI). However, ground-based estimates of fPAR used to quantify this relationship for a specific vegetation type are derived from measurements of canopy structure only (e.g. using light interception methods such as hemispherical photography). Using a coupled leaf-canopy model of radiative transfer, we demonstrated that NDVI is highly sensitive to both canopy foliar and understorey chlorophyll content, which could account for significant errors in remotely sensed estimates of fPAR and hence NPP

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Citation

Dawson, T.P., North, P.R.J., Plummer, S.E. and Curran, P.J. (2003) Forest ecosystem chlorophyll, content: implications for remotely sensed estimates of net primary productivity, 2003 International Journal of Remote Sensing, 24, (3), pp. 611-617. (doi:10.1080/01431160304984).

More information

Published date: February 2003

Identifiers

Local EPrints ID: 14790
URI: http://eprints.soton.ac.uk/id/eprint/14790
ISSN: 0143-1161
PURE UUID: f9f0c698-542d-4b8b-a22c-3b3c19e90c73

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Date deposited: 01 Mar 2005
Last modified: 17 Jul 2017 16:52

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Contributors

Author: T.P. Dawson
Author: P.R.J. North
Author: S.E. Plummer
Author: P.J. Curran

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