This paper analyses the temporal dynamic of long-term fraction of Absorbed Photosynthetically Active Radiation (fAPAR) time series over Europe as derived from a 15 years dataset of satellite images collected between 2001 and 2015 from the Moderate-Resolution Imaging Spectroradiometer (MODIS) sensor onboard of Terra satellite. A fitting of piecewise logistic functions of time was performed for each cell in order to account for the multi-cycle dynamic of fAPAR. Most of the cells within the domain area showed a single peak cycle, even if a non-negligible fraction of the domain (about 15%) showed two distinct peaks in the yearly cycle. The results of the logistic function fittings allow identifying the key transition dates between increasing/decreasing trends in fAPAR, constituting a starting point for a more detailed analysis of drought effects on ecosystems.
CAMMALLERI Carmelo;
MICALE Fabio;
VOGT Juergen;
2016-09-14
IARIA XPS Press
JRC101365
978-1-61208-489-3,
2308-4154,
https://www.thinkmind.org/index.php?view=article&articleid=bionature_2016_2_10_77006,
https://publications.jrc.ec.europa.eu/repository/handle/JRC101365,
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