Title: Harmonization of Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) from Sea-Viewing Wide Field-of-View Sensor SeaWiFS) and Medium Resolution Imaging Spectrometer Instrument (MERIS)
Authors: CECCHERINI GUIDOGOBRON NadineROBUSTELLI Monica
Citation: REMOTE SENSING vol. 5 no. 7 p. 3357-3376
Publisher: MDPI AG
Publication Year: 2013
JRC N°: JRC83446
ISSN: 2072-4292
URI: http://www.mdpi.com/2072-4292/5/7/3357
http://publications.jrc.ec.europa.eu/repository/handle/JRC83446
DOI: 10.3390/rs5073357
Type: Articles in Journals
Abstract: This paper describes the combination of terrestrial vegetation observations from two sensors, providing a historical dataset used for an in-depth analysis of the corresponding spatio-temporal patterns. The Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) is an important variable suitable for regional to large-scale monitoring of climate impacts on vegetation. In this work, we create an extensive dataset of FAPAR using a 10-day product at $\sim$1 km resolution from September, 1997, to April, 2012, combining information from two sensors: the NASA/Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and the European Space Agency (ESA)/Medium Resolution Imaging Spectrometer Instrument (MERIS). The proposed methodology reduces the noise, fills the gaps and corrects for the spurious trends in the data, providing a time-consistent coverage of FAPAR. We develop a fast merging method and evaluate its performance over Europe and the Horn of Africa.
JRC Institute:Institute for Environment and Sustainability

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