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Habilitation à diriger des recherches

Quantifying discharges and fluxes of matters in rivers

Abstract : This thesis offers an overview of my research on the quantification of discharges and fluxes of matters in rivers along with their uncertainties, as well as research perspectives for the next 5 to 10 years. New (less intrusive) measurement technologies and citizen sciences allow important advances in improving flow measurements, in particular for floods. However, they bring new methodological issues. This statement can be generalised to sediment and contaminant flux measurements, with the additional need to characterise the properties and origins of solid particles. Finally, new methods for analysing uncertainties are intended to cover the whole production chain of hydrological data, from field operations to the publication and use of data. The approach which is well advanced for hydrological series (streamflows) could be extended to sediment and contaminant fluxes, including the uncertainties associated with sediment transport (bedload and suspension) measurements and contaminant levels (sampling and analyses in the laboratory). Such uncertainty analysis should not be seen as a tedious additional processing, or as a simple bonus for the end-user of the data. It is, on the contrary, inseparable from the operational processes of data production and quality management which it serves to improve.
Keywords : HDR
Document type :
Habilitation à diriger des recherches
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  • HAL Id : tel-02606946, version 1
  • IRSTEA : PUB00056297

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Jérôme Le Coz. Quantifying discharges and fluxes of matters in rivers. Environmental Sciences. Habilitation à Diriger des Recherches, Université Grenoble Alpes, 2017. ⟨tel-02606946⟩

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