WRRC Seminar

October 17, 3:00pm - 4:15pm
Mānoa Campus, POST 126

Submarine groundwater discharge links watershed hydrology and coastal biogeochemistry

Henrieta Dulaiova, Assistant Professor, Department of Geology and Geophysics, University of Hawaii, Manoa

Submarine groundwater discharge (SGD) is a flow of fresh groundwater and seawater from coastal aquifers into the coastal zone. SGD has been increasingly recognized as a pathway of dissolved components and a link between terrestrial and coastal environments. While the overall importance of SGD on the global scale remains yet to be quantified, there is little doubt that SGD is important at local scales in many regions. In Hawaii, hydrological estimates suggest tremendous SGD leakage to the sea, but actual measurements of those outputs have been made at limited numbers of locations. Our work reveals that SGD in Hawaii is dynamic and spatially highly variable. I will present results of SGD studies, corresponding nutrient fluxes and coastal biogeochemical changes at various locations around the Hawaiian Islands including Oahu, west Hawaii, and west Maui.

Event Sponsor
Water Resources Research Center, Mānoa Campus

More Information
Philip Moravcik, 808-956-3097, morav@hawaii.edu

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