Mathematics – Logic
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30f..30m&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 6, pp. 30-1, CiteID 1297, DOI 10.1029/2002GL016000
Mathematics
Logic
10
Hydrology: Groundwater Hydrology, Oceanography: General: Estuarine Processes, Hydrology: Instruments And Techniques, Oceanography: Biological And Chemical: Geochemistry
Scientific paper
A seepage meter study was performed in Waquoit Bay on Cape Cod, Massachusetts to characterize the amount, pattern, and origin of submarine groundwater discharge. Measurements from grids of 40 seepage meters provide a detailed representation of groundwater flux in both space and time. At the head of the bay, a distinct band of high, saline discharge was observed between 25 and 45 m from the shoreline. Slug tests indicated no pattern of permeability to explain the band of discharge, and the band was not observed offshore of an island where freshwater discharge is negligible. Experiments using clusters of seepage meters showed large variability in discharge at the meter scale and similar temporal variation throughout the domain, reflecting tidal influence primarily near shore. The small-scale variability challenges the assumption of locally homogeneous flow used in many models, and the band of discharge contradicts predictions that total outflow is largely fresh and decreases monotonically from shore.
Harvey Charles F.
Lubetsky Jonathan S.
Michael Holly A.
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