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Salt Water Intrusion and its Threat to North Carolina

Salt Water Intrusion and its Threat to North Carolina. By Drew Thorndyke. Salt Water Intrusion. Displacement of freshwater by salt water as a result of excess pumping in coastal areas. . Saltwater intrudes in two main ways. Lateral Encroachment Vertical Upconing .

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Salt Water Intrusion and its Threat to North Carolina

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  1. Salt Water Intrusion and its Threat to North Carolina By Drew Thorndyke

  2. Salt Water Intrusion • Displacement of freshwater by salt water as a result of excess pumping in coastal areas.

  3. Saltwater intrudes in two main ways • Lateral Encroachment • Vertical Upconing

  4. Lateral Encroachment

  5. Vertical Upconing

  6. Why does saltwater intrusion occur? • Drop in groundwater level • Development, population growth • Ghyben Herzburg • Sea level rise • Thermal expansion

  7. Where in North Carolina has saltwater intrusion occurred • Cape Hatteras Island • Pitt County • Pender County • New Hanover County • Brunswick County

  8. What can we do to prevent saltwater intrusion • Conservation of ground water • Other sources • Personal effort • Reusing water • Groundwater recharge • Monitoring

  9. The Key to Controlling Saltwater Intrusion Maintaining a healthy aquifer by balancing the amount of water being pumped out with the amount put back in

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