Title: Aquaterra Factsheet: KD functions to define relation between inorganic pollutant mobility (soil to water), the main biogeochemical characteristics of soils and the main parameters of global change 
Resource Type: document --> public information 
Country: EU Projects 
Language(s): English
Year: 2010 
Author 1/Producer: Aquaterra Consortium 
Author / Producer Type: EC Project 
Report/Document number/description: Aquaterra Factsheet 
Publisher Country: EU Projects 
Publisher web link (root): www.aquaterra.eugris.info
Report / download web link (=direct link): www.aquaterra.eugris.info/factsheets/AT%20Factsheet%20KandD% ...  
EUGRIS Keyword(s): Contaminated land-->Contaminants-->Heavy metals
Contaminated land-->Soil and groundwater processes-->Geochemistry
Water resources and their management -->River basin management
Short description: BGC3 studied the transfer functions (Kd) for selected metals (As, Pb, Zn, Cd and Hg). Measurements of Kd were performed on soil and sediment samples collected in the Ebro and the Meuse basin. Soil samples were collected from the vadose zone and the saturated zone. Statistical analysis of measured Kd enabled to define Kd functions for each selected contaminant and for the vadose zone and the saturated zone. First Kd functions were defined. For the root zone, a modelling approach enabled to estimate the sorption coefficient that will integrate the relevant processes affecting the fate of heavy metal in the root zone. The Kd functions will be further developed over the next 2 years of AquaTerra project. In addition, BGC3 studied biogeochemical processes associated with the release of metals from soil in the vadose zone, the root zone and the saturated zone. Impact of bacterial activities on the transfer of metals in the vadose and saturated zone is characterised from studies of bacterial biodiversity using molecular techniques. Impact of climate change (different oxygen concentrations, temperature, pH, bacterial activity), different land use (nitrate concentrations), increasing pollution (varying sulphate concentrations) and environmental parameters on the behaviour of the considered inorganic pollutants in the vadose zone and the saturated zone are assessed.  
Link to Project(s): AQUATERRA Integrated modelling of the river-sediment-soil-groundwater system; advanced tools for the management of catchment areas and river basins in the context of global change
Link to Organisation(s): r3 environmental technology limited
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 29/11/2017

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