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Satellite images allow the acquisition of large-scale ground vegetation. Images are available along several years with a high acquisition rate. Such data are called satellite image time series (SITS). We present a method to analyse an SITS through the characterisation of the evolution of a vegetation index (NDVI) at two scales: annual and multi-annual. We evaluate our method on SITS of the Senegal...
The aim of this work has been to carry out salinity mapping within the environmental context of the Lower Chéliff Plain (40,000 ha) in Algeria, where soil salinity appears to be a major threat to agricultural production. Spatio-temporal monitoring of soil salinity must therefore be urgently implemented in order to evaluate the progression of salinity hazards or the effectiveness of remediation strategies...
The potential of remote sensing as a tool to optimise the date of a fungicide application to winter wheat was assessed using the pathogen Septoria tritici. Remote sensing data were obtained in the optical (visible and near infrared) and the thermal infrared spectral ranges. The sensors were suspended above of plots which differed by the date of the candidate fungicide application to wheat canopies,...
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