SALT WATER INTRUSION IN THE BREAKTHROUGH VALLEY OF THE RIVER AA BETWEEN THE FLEMISH COASTAL PLAIN AND THE SAINT OMER BASIN (FRANCE)

Salt water intrusion in the breakthrough valley of the river Aa between the Flemish coastal plain and the Saint Omer basin (France)

The salinity distribution in a breakthrough valley has been studied based on field observations and using a numerical model.The studied valley is located in Northern France between the Saint Omer basin and the Flemish coastal plain.The field campaign starts with the installation of observation wells.In these observations wells the electrical conduc

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INTERACTIONS BETWEEN CATIONIC POLYELECTROLYTE AND PULP FINES

Papermaking pulps are a delta gamma blanket mixture of fibres, fibre fragments, and small cells (parenchyma or ray cells), usually called pulp fines.The interactions between pulp fines and a cationic copolymer of acrylamide and acryloxyethyltrimethyl ammonium chloride were investigated based on solid-liquid isotherms prepared under different turbul

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Digestions fertiles

After a century of eclipse, human excrement has been receiving new attention in Europe in recent decades.Indeed, their return to the soil is being considered again as a resource for agriculture.Today, a debate surrounds these practices of urine and feces valorization.This article proposes an analysis of the ongoing discussions based on an ethnograp

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