Boyd, D. S., Almond, S.F, Dash, J., Curran, P. and Hill, R.A., 2010. Phenological Trends of Vegetation in Southern England From Envisat MERIS Terrestrial Chlorophyll Index (MTCI) data. In: ESA Living Planet Symposium, 28 June-2 July 2010, Bergen, Norway.
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Official URL: http://www.congrex.nl/10a04/
Given the close association between climate change and vegetation response there is a pressing requirement to monitor the phenology of vegetation and understand how its metrics vary over space and time. This paper explores the viability of the Envisat MTCI dataset for monitoring vegetation phenology via its estimates of chlorophyll content. The MTCI was used to construct the phenologicalprofile of and to extract key phenological dates from mixed woodland in Southern England. Woodland phenological cycles for the time period 2003 to 2007, a period with known temperature anomalies forcing variability in the phenology of the vegetation, were derived from MERIS MTCI data. Comparisons were made with ground indicators of phenology, and furthermore, crosscomparisons with other vegetation indices, namely the NDVI and EVI derived from MODIS data were conducted. Close correspondence between MTCI and canopy phenology as indicated by ground observations was evident. Also observed was a difference between MTCI-derived phenological transition curves and key transition dates and those derived from the NDVI and EVI. Overall the research presented in this paper supports the use of the Envisat MTCI for monitoring vegetation phenology, principally due to its sensitivity to canopy chlorophyll content, a vegetation property that is a useful proxy for the canopy physical and chemical alterations associated with phenological change.
|Item Type:||Conference or Workshop Item (Paper)|
|Subjects:||Geography and Environmental Studies|
|Group:||School of Applied Sciences > Centre for Conservation, Ecology and Environmental Change|
|Deposited By:||Dr Ross Hill|
|Deposited On:||04 Oct 2010 10:26|
|Last Modified:||07 Mar 2013 15:35|
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