A Unifying Approach to Subtidal Salt Intrusion Modeling in Tidal Estuaries
نویسندگان
چکیده
Abstract The salinity structure in estuaries is classically described terms of the as well mixed, partially or salt wedge. existing knowledge about processes that result such structures comes from highly idealized models are restricted to either well-mixed and mixed cases subtidal wedge estuaries. Hence, there still little driving transitions between these different estuarine parameters at which a transition found. As an important step toward unified description dominant well-mixed, estuaries, width-averaged model applicable all developed systematically analyzed. Using our model, we identify four regimes, resulting balances processes. It shown each regime uniquely determined by two dimensionless parameters: Froude Rayleigh number, representing freshwater discharge tidal mixing, respectively, classification regimes parameters. Furthermore, analytical expressions approximate intrusion length developed. These used illustrate responds manner changes depth discharge. one key results, show only very weak relations process-based estuary top–bottom stratification. This implies cannot be matched regime.
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 2021
ISSN: ['1520-0485', '0022-3670']
DOI: https://doi.org/10.1175/jpo-d-20-0006.1