Figure 4: Island Ground Water Hydrology


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Figure 4: Density differences between fresh and salt water cause the development of a "fresh water lens" below most islands. The fresh water, infiltrating from the surface, "floats" on the salt water, depressing the boundary (halocline) in the same way that a floating block of wood depresses the water surface it is floating on.

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Uploaded: Apr5 10


Last Modified: 2012-04-01 11:52:30
Permanent URL: https://serc.carleton.edu/download/images/22464/figure_4_island_ground.jpg

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R. Laurence Davis, University of New Haven
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