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HS8.2.5

Freshwater-saltwater interactions and density-driven flow
Convener: Georg Houben  | Co-Conveners: Eric Zechner , Thomas Graf , Leonard Stoeckl 
Orals
 / Thu, 11 Apr, 08:30–12:00  / Room R11
Posters
 / Attendance Thu, 11 Apr, 17:30–19:00  / Red Posters
About half of the world´s population lives within 100 km of the oceanic coast. In coastal zones and on oceanic islands fresh groundwater is usually in density-related equilibrium with underlying saline groundwater. The resulting freshwater bodies are being used for water supply which potentially incurs the intrusion or up-coning of saltwater. Increasing pressure on these freshwater sources due to climate change, population growth, and industrial and agricultural water demands will endanger a secure water supply in many parts of the world.

We envisage a session which shall include aspects of both groundwater dynamics and quality in coastal zones and oceanic islands. Sub-topics could be but are not limited to:

• Experiments and numerical modeling of density-driven flow
• Observation and monitoring techniques
• Geochemical processes at the freshwater/saltwater interface
• Management of the freshwater/saltwater interface on islands and at the coast in times of climate change and increasing water demand