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|Title:||Early detection of production deficit hot-spots in semi-arid environment using FAPAR time series and a probabilistic approach|
|Authors:||MERONI MICHELE; FASBENDER DOMINIQUE; KAYITAKIRE Francois; PINI Giancarlo; REMBOLD Felix; URBANO Ferdinando; VERSTRAETE M.|
|Citation:||REMOTE SENSING OF ENVIRONMENT vol. 142 p. 57-68|
|Publisher:||ELSEVIER SCIENCE INC|
|Type:||Articles in periodicals and books|
|Abstract:||Early warning monitoring systems in food-insecure countries aim to detect unfavourable crop and pasture conditions as early as possible during the growing season. This manuscript describes a procedure to estimate the probability of experiencing a biomass production deficit during the on-going season based on the statistical analysis of Earth Observation data. A 15-year time series of the Fraction of Absorbed Photosynthetically Active Radiation from the SPOT-VEGETATION instrument is used to characterize the climatological development of vegetation, its variability and its current status. Forecasts of overall seasonal performances, expressed in terms of the probability of experiencing a critical deficit, are updated regularly whenever a new satellite observation is made available. Results and performances of the method are discussed for croplands and pastures in the Sahel.|
|JRC Directorate:||Sustainable Resources|
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