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An interactive tool to analyse the benefit of space missions sensing the terrestrial vegetation

  • T. Kaminski
  • W. Knorr
  • M. Scholze
  • N. Gobron
  • B. Pinty
  • R. Giering
  • P. P. Mathieu
Publishing year: 2012-12-01
Language: English
Pages: 4883-4886
Document type: Conference paper

Abstract english

The study has developed an interactive mission benefit analysis (MBA) tool that allows instantaneous evaluation of a range of potential mission designs. The designs are evaluated in terms of their constraint on carbon and water fluxes through calibration of a terrestrial bisphere model. The constraint is quantified by methematically rigorous uncertainty propagation in CCDAS. Applying the MBA tool, the study showed that the benefit of FAPAR data is most pronounced for hydrological quantities and moderate for quantities related to carbon fluxes from ecosystems. In semi-arid regions, where vegetation is strongly water limited, the constraint delivered by FAPAR for hydrological quantities was especially large, as documented by the results for Africa and Australia. Sensor resolution is less critical for successful data assimilation, and with even relatively short time series of only a few years, significant uncertainty reduction can be achieved.


  • Oceanography, Hydrology, Water Resources
  • Physical Geography


2012 32nd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2012
2012-07-22 - 2012-07-27
Munich, Germany
E-mail: wolfgang [dot] knorr [at] nateko [dot] lu [dot] se

Department of Physical Geography and Ecosystem Science
Lund University
Sölvegatan 12
S-223 62 Lund

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