2012 NGWA Ground Water Summit: Innovate and Integrate: Managing the Freshwater-Seawater Interface

Monday, May 7, 2012: 8:00 a.m.-10:00 a.m.

Terrace Room D-F (Hyatt Regency Orange County)

Effective management of the freshwater-seawater interface grows ever more important for coastal communities, driven by increasing population and uncertainty about future changes in climate and sea level. This session focuses on innovative work from either side of the interface: managing seawater intrusion or developing new water supplies from seawater.

Moderator:

John M. Sigda, Ph.D.

8:00 a.m.

Multiple Advantages of Slant Wells for Ocean Desalination Feedwater Supply
Dennis Williams, Ph.D., Geoscience Support Services Inc.;
Richard B. Bell, PE, Municipal Water District of Orange County;
Gerry Filteau, PE, Separation Processes

8:20 a.m.

Winning the Battle Against Seawater Intrusion with Recycled Water
Roy Herndon, Orange County Water District;
Timothy J. Sovich, PE, Orange County Water District

PDF file

8:40 a.m.

Evaluating Expansions Needs for the Alamitos Seawater Intrusion Barrier
Timothy J. Sovich, PE, Orange County Water District

PDF file

9:00 a.m.

Assessing Current and Future Performance of the Alamitos Gap Seawater Intrusion Barrier with a New Flow and Transport Model, Los Angeles and Orange Counties, California
John M. Sigda, Ph.D., INTERA, Inc.;
Neil Deeds, Ph.D., INTERA, Inc.;
David L. Jordan, PE, INTERA, Inc.;
Rob Sengebush, PG, INTERA Inc.

9:20 a.m.

Maximising Net Groundwater Extraction Using an Injection-Extraction Well Pair in a Coastal Aquifer
Chunhui Lu, Flinders University, National Centre for Groundwater Research and Training;
Adrian D. Werner, National Centre for Groundwater Research and Training, Flinders University;
Craig T. Simmons, Flinders University, National Centre for Groundwater Research and Training;
Jian Luo, Georgia Institute of Technology

9:40 a.m.

Geophysical Methods to Map Brackish and Saline Water in Aquifers
John Jansen, Ph.D., PG, ENTRIX

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