Comparison of carbon assimilation estimates over tropical forest types in India based on different satellite and climate data products
(2012) In International Journal of Applied Earth Observation and Geoinformation 18. p.557-563- Abstract
- Carbon assimilation defined as the overall rate of fixation of carbon through the process of photosynthesis is central to the climate change research. The present study compares the two well-known algorithms in satellite based carbon assimilation estimation, the Vegetation Photosynthesis Model (VPM) and the MOD 17A2 GPP Model, over the tropical forest types in India for a period of two years (September, 2006-August, 2008). The results indicate that the evergreen forest assimilate carbon at a higher rate while the rate is lower for montane grasslands. The comparison between the model results shows that there are large differences between these estimates, and that the spatial resolution of the input datasets plays a larger role than the... (More)
- Carbon assimilation defined as the overall rate of fixation of carbon through the process of photosynthesis is central to the climate change research. The present study compares the two well-known algorithms in satellite based carbon assimilation estimation, the Vegetation Photosynthesis Model (VPM) and the MOD 17A2 GPP Model, over the tropical forest types in India for a period of two years (September, 2006-August, 2008). The results indicate that the evergreen forest assimilate carbon at a higher rate while the rate is lower for montane grasslands. The comparison between the model results shows that there are large differences between these estimates, and that the spatial resolution of the input datasets plays a larger role than the algorithms of the models. The comparison exercise will be helpful for the refinement and development of the existing and future GPP models by incorporating the empirical environmental conditions. (C) 2011 Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/2994892
- author
- Joseph, Shijo ; van Laake, Patrick E. ; Thomas, A. P. and Eklundh, Lars LU
- organization
- publishing date
- 2012
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Light use efficiency, Gross primary productivity, Vegetation, Photosynthesis Model, MODIS GPP product, Western Ghats
- in
- International Journal of Applied Earth Observation and Geoinformation
- volume
- 18
- pages
- 557 - 563
- publisher
- Elsevier
- external identifiers
-
- wos:000306198900052
- scopus:84864499680
- ISSN
- 1569-8432
- DOI
- 10.1016/j.jag.2011.10.008
- language
- English
- LU publication?
- yes
- id
- 5f39b76d-770f-470c-b103-344c34be2a91 (old id 2994892)
- date added to LUP
- 2016-04-01 13:27:45
- date last changed
- 2022-01-31 17:41:19
@article{5f39b76d-770f-470c-b103-344c34be2a91, abstract = {{Carbon assimilation defined as the overall rate of fixation of carbon through the process of photosynthesis is central to the climate change research. The present study compares the two well-known algorithms in satellite based carbon assimilation estimation, the Vegetation Photosynthesis Model (VPM) and the MOD 17A2 GPP Model, over the tropical forest types in India for a period of two years (September, 2006-August, 2008). The results indicate that the evergreen forest assimilate carbon at a higher rate while the rate is lower for montane grasslands. The comparison between the model results shows that there are large differences between these estimates, and that the spatial resolution of the input datasets plays a larger role than the algorithms of the models. The comparison exercise will be helpful for the refinement and development of the existing and future GPP models by incorporating the empirical environmental conditions. (C) 2011 Elsevier B.V. All rights reserved.}}, author = {{Joseph, Shijo and van Laake, Patrick E. and Thomas, A. P. and Eklundh, Lars}}, issn = {{1569-8432}}, keywords = {{Light use efficiency; Gross primary productivity; Vegetation; Photosynthesis Model; MODIS GPP product; Western Ghats}}, language = {{eng}}, pages = {{557--563}}, publisher = {{Elsevier}}, series = {{International Journal of Applied Earth Observation and Geoinformation}}, title = {{Comparison of carbon assimilation estimates over tropical forest types in India based on different satellite and climate data products}}, url = {{http://dx.doi.org/10.1016/j.jag.2011.10.008}}, doi = {{10.1016/j.jag.2011.10.008}}, volume = {{18}}, year = {{2012}}, }