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IGD - Details

Institute of Geography and Sustainability of the University of Lausanne
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Assessing Jessour in South-East Tunisia

This research project is led in partnership with the "Laboratoire de Cartographie Géomorphologique des Milieux, des Environnements & des Dynamiques", Tunis University. It aims to assess jessour in south-east Tunisia. Jessour are traditional hydro-agricultural areas that aim to capture runoff from arid wadi hillslides to improve the water balance of agricultural parcels. It thus enables cultivating olive trees beyond their ecological limit. These works are both hydro-agricultural installation and hydraulic heritage. Nowadays, they undergo different stakes related to climatic and socio-economic changes, notably abandonment of landfarms. This project is composed of two working packages : - working package on heritage. Fieldwork in the Tataouine and Guermassa regions will be carried out in 2016 or 2017 to analyze the current state of these works (typology, inventory). - Working package on hydrology. Meteorological and soil moisture measuring devices will be deployed in the same regions to quantify the water balance of the agricultural parcels with and without jessour. Although the agronomic value of the jessour is recognized, the added value on the water balance has never been quantified.

Research fields Water and geoheritage
Water management
Geoheritage and landscape
Keywords Geoheritage
Water management
Water balance
Duration September 2016 >
Researchers Calianno Martin
Fallot Jean-Michel
Milano Marianne
Reynard Emmanuel

Project location