Journal of Geoscience and Environment Protection

Volume 5, Issue 8 (August 2017)

ISSN Print: 2327-4336   ISSN Online: 2327-4344

Google-based Impact Factor: 0.72  Citations  

Water Intrusion in the Chesapeake Bay Region: Is It Caused by Climate-Induced Sea Level Rise?

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DOI: 10.4236/gep.2017.58020    1,304 Downloads   3,810 Views  
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ABSTRACT

Sea level rise due to climate change is a contentious issue with profound geographic and economic implications. One region in the USA identified as being particularly susceptible to seal level rise is the Chesapeake Bay region, and it has been estimated that by the end of the century Norfolk, Virginia could experience sea level rise of 0.75 meters to more than 2.1 meters. Water intrusion is a serious problem in much of the Chesapeake Bay region. The question addressed here is whether this water intrusion is the result of climate-induced seal level rise or is being caused by other factors. Our findings indicate that the water intrusion problems in the region are due not to “sea level rise”, but primarily to land subsidence due to groundwater depletion and, to a lesser extent, subsidence from glacial isostatic adjustment. We conclude that water intrusion will thus continue even if sea levels decline. These findings are critical because the water intrusion problems in the Chesapeake Bay—and elsewhere—cannot be successfully solved unless their causes are correctly identified and appropriate remedies are devised. For the Chesapeake Bay region, the required remedy is the reversal of groundwater withdrawal rates, which has been used successfully elsewhere in the USA and other nations to solve water intrusion problems.

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Bezdek, R. (2017) Water Intrusion in the Chesapeake Bay Region: Is It Caused by Climate-Induced Sea Level Rise?. Journal of Geoscience and Environment Protection, 5, 252-263. doi: 10.4236/gep.2017.58020.

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