Groundwater-Surface Water Connectivity in TasmaniaReports
Tasmania’s groundwater and surface water resources are highly connected. A large proportion of annual streamflow comes from springs and direct discharge of groundwater into the beds and banks of watercourses.
Many lakes, wetlands and estuaries are also significantly connected to and reliant on groundwater.
The most highly connected systems are those in karst areas where cave systems and enlarged fractures supply water to springs, surface streams and lakes, and receive water from surface catchments. Landscapes in coastal sands, alluvium and basalt also contain highly to moderately connected groundwater and surface water resources.
Ecosystems in rivers, springs, lakes, wetlands, estuaries and caves which depend on groundwater inputs (along with terrestrial vegetation communities using groundwater) are called Groundwater Dependent Ecosystems.
These reports document the nature and hydrological processes of the surface and groundwater systems in both areas, along with their groundwater dependent ecosystems.
Tasmania Online | Service Tasmania
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