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Model of Estuary. The residence time of water is a key variable determining the health of an estuary, particularly from human-induced stresses.Rapid flushing ensures that there is insufficient time for sediment accumulation or dissolved oxygen depletion in the estuary; thus a well flushed estuary is intrinsically more robust than a poorly flushed estuary. [1]
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. [1] Estuaries form a transition zone between river environments and maritime environments and are an example of an ecotone .
Estuary freshwater inflow is the freshwater that flows into an estuary. Other types of environmental flows include instream flow , the freshwater water flowing in rivers or streams, and estuary outflow , the outflow from an estuary to the ocean .
To facilitate environmental flow prescriptions, a number of computer models and tools have been developed by groups such as the USACE's Hydrologic Engineering Center Archived 2013-03-08 at the Wayback Machine to capture flow requirements defined in a workshop setting (e.g., HEC-RPT Archived 2022-01-18 at the Wayback Machine) or to evaluate the ...
An example is the Mississippi estuary. [citation needed] As tidal forcing increases, the control of river flow on the pattern of circulation in the estuary becomes less dominating. Turbulent mixing induced by the current creates a moderately stratified condition.
A "creek" normally refers to a tidal water channel in British English and in other parts of the Anglosphere.This is the case in many countries in the Commonwealth, such as The Bahamas, as well as some parts of the United States (near the Chesapeake Bay, parts of New England, [3] and southern Florida [a]).
Estuarine tidal marshes are found in estuaries, areas where freshwater streams flow into brackish areas. They can be categorized based on salinity level, elevation, and sea level. [ 1 ] [ 6 ] Tidal marshes are commonly zoned into lower marshes (also called intertidal marshes) and upper/ high marshes, based on their elevation above sea level. [ 7 ]
Elkhorn Slough is a 7-mile-long (11 km) [2] [3] tidal slough and estuary on Monterey Bay in Monterey County, California. It is California's second largest estuary and the United States' first estuarine sanctuary. [4] The community of Moss Landing and the Moss Landing Power Plant are located at the mouth of the slough on the bay.