Freshwater reserves of mid-atlantic coast barrier Islands |
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| Authors: | Thomas H Bolyard George M Hornberger Robert Dolan Bruce P Hayden |
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| Institution: | (1) Department of Environmental Sciences, University of Virginia, 22903 Charlottesville, Virginia;(2) Present address: Maryland Bureau of Mines, P. O. Drawer C, Westernport, Maryland |
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| Abstract: | A multiple regression model was constructed for the purpose of predicting barrier island hydrology from easily measureable
island characteristics. The model was developed using data obtained from 17 sites on the Outer Banks of North Carolina. The
accuracy of the model for predicting key hydrologic variables was evaluated by statistical and graphic procedures. In general,
agreement between observed and predicted values of the hydrologic variables was very good, suggesting that the quantity of
potable water at various island sites can be estimated without resorting to extensive field investigations. The model was
then applied to Assateague Island, a barrier island located off the coasts of Maryland and Virginia. Results indicate that
the original model developed for the Outer Banks may be applied to other barrier islands but that errors involved may necessitate
corrections in detailed studies. Correction for bias in predictions for Assateague was shown to be possible with limited field
data from surface resistivity surveys. |
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