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Unité de recherche

E.A. 6293

Géo-hydrosystèmes continentaux (GEHCO)

Sciences et Technologies

Site Internet :
http://geosciences.univ-tours.fr
Mél :
geosciences@univ-tours.fr
Téléphone :
+33 (0)2.47.36.70.03
Télécopie :
+33 (0)2.47.36.70.90
Adresse :
Parc de Grandmont
37200 TOURS
Rattachement(s) interne(s) :
UFR de Sciences et Techniques

Organisation

Head of unit: Cécile Grosbois
Deputy head: Florentina Moatar

13 permanent researchers and teacher-researchers
6 PhD students

Axe(s) / thème(s) de recherche

  • Flow, gradients and contamination sources
  • Erosion, transfer, connectivity
  • Thermal regime and related bio-geo-chemical processes
  • Watercourse morphodynamics and solid transport

Partenariats

Partenariats académiques internationaux

  • National Institute for Scientific Research. Water, Earth, Environment - Quebec, Canada
  • United State of Geological Survey - USA
  • Institute for Environmental Studies, Amsterdam University - Netherlands
  • University of California - Berkeley, USA
  • Catholic University of Louvain, Belgium
  • North Carolina University, USA
  • University of Bonn, Germany
  • University of Utrecht, Netherlands

Partenariats académiques nationaux

Joint Research Units (UMR)
  • SYSIPHE Joint Research Unit, P. and M. Curie University
  • CITERES Joint Research Unit, University of Tours
  • LEHNA Joint Research Unit, University of Lyon
  • ISTO Joint Research Unit, University of Orléans
  • EPOC Joint Research Unit, University of Bordeaux
  • LTHE Joint Research Unit, University of Grenoble
  • LISAH Joint Research Unit, University of Montpellier
  • SAS Joint Research Unit, University of Rennes
  • LSCE Joint Research Unit, University of Versailles St Quentin
  • Chrono-Environment Joint Research Unit, University of Franche-Comté
  • GRESE Host Research Team, University of Limoges

Research and service bodies
  • IRSTEA Lyon
  • BRGM Orléans
  • INRA Orléans
  • ANSES Nancy
  • IRSN Cadarache
  • EDF Research and Development, Chatou
  • IRD Bamako
  • CETU Elmis

Public organizations in the water and environment sector
  • Office National de l’Eau et des Milieux Aquatiques (French National Agency for Water and Aquatic Environments), Ministry for the Environment; RDI Platform of the Loire Public Establishment
  • Water agencies: Loire-Brittany, Seine-Normandy, Rhône-Mediterranean-Corsica; Competitiveness clusters: DREAM-Centre region, AXELERA-Lyon
  • Voies Navigables de France (Navigable Waterways of France); GIP Loire-Estuaire

Partenariats industriels

  • EDF, Nuclear Centre for Electricity Production
  • Environmental engineering offices: GéoHYD - Orléans, RIVES - Chinon, BRL - Montpellier, ARTELIA - Tours & Grenoble, SAFEGE - Tours
  • Deltares (Delft, Netherlands)

Équipements principaux

Field equipment
  • Solid transport platform
  • Isokenetic samplers: BTMA, Delft bottle, USBM 54, Niskin bottle
  • Hydrometric equipment: level, flow-rate, adcp velocity, piezometry
  • ES3 ODOM multibeam sounder
  • Leica HDS 3000 3D laser scanner
  • NRS quadriraft and UWITEC corer; ALLWAN submersible camera
  • COBRA percussion corer
  • IRIS INSTRUMENT junior SYSCAL purity meter
  • Fibre optics temperature monitoring
  • Multiparameter probes: temperature, turbidity, oxygen, pH, conductivity
  • TRIMBLE M3 automatic withdrawers, weather stations, full station

Laboratory equipment
  • THERMOELECTRON gas chromatograph
  • THERMOELECTRON atomic absorption spectrophotometer with flame and furnace
  • SHIMADZU solution and solid carbon-nitrogen analyzer
  • ESCIL litho-laminating bench; CILAS 920 laser micro particle sizer
  • CARELA rock splitter
  • MINOLTA 700D Spectrocolorimeter; BARTINGTON susceptibilimeter

Data banks & models
  • Hydrological modelling: MODFLOW
  • Modelling and spatial analysis: ArcGis (Arcview and ArcInfo licences)
  • Full France and/or regional (Loire) database:
- IGN (RGE) DB (French National Geographic Institute Geographical Reference System): ORTHO® DB, TOPO® DB, PARCELLAIRE® DB, ADRESSE® DB
- Geological and geomorphological DB geology and lithology (BRGM - Geology and Mining Research Institute), hydrography (Carthage® DB), SYRAH DB
- Environmental DBs: land use (Corine Landcover), Ground DB (INRA), Measuring network: thermal (RNT), hydrological (HYDRO bank), water quality (AE)
- Weather DB: SAFRAN
- Anthropogenic pressures DB: flow obstructions (ROE), STEP, industries

Mots clés

Catchment areas, river systems, water, ground, sediment, resources, climate change, development of watercourses, erosion, transfer, flow, diffuse pollution, sedimentary continuity, solid transport, thermal regime, contaminants, agricultural practices, industrial activities, databases and models.
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