Information - HS9.5 Urban impacts on soils and groundwater -- Requirement of groundwater management
Event Information
Soils and groundwater in urban areas are under pressure due to the concentrated human activities like industrial production, transportation and housing. Particularly, impacts on urban soils and groundwater are related to the spreading of pollution from different sources related to water fluxes in the subsurface. Two different kinds of pollution sources can be distinguished. Urban infrastructures, such as leaking sewers, are directly infiltrating polluted water into the aquatic system (diffusive input). Point and linear sources originate e.g. from contaminated sites or roads.
Development of urban population, fast growing megacities as well as production collapse in industrial regions, has a strong impact specifically on water related infrastructure construction, maintenance and adaptation. For ecologic and economic reasons new disposal strategies, like decentralized storm water infiltration, has been developed and will be implemented in urban water management practices. The prediction of such impact on groundwater quantity and quality requires the application of deterministic and stochastic methodologies as well in order to describe water and contaminant fluxes with their large uncertainties.
Since socio-economic aspects are increasingly driving urban water fluxes integrated urban water management including groundwater and water sensitive urban design become more and more important in industrialized and developing countries as well. Monitoring concepts and risk assessment of management strategies need to be developed and applied.
Within the proposed session investigations on the quantification of water fluxes and water quality in urban water systems including soils and groundwater could be presented. Abstracts about management strategies including interactions between groundwater and surface water as well as urban hydrology are welcome.
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