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e. 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. Estuaries are subject both to marine influences such as ...
The middle estuary is mainly characterized by the mixing of freshwater-influenced waters with salt water and high turbidity (turbid water). The hydrodynamic conditions, mainly the reversal of tidal currents and the increase in the salinity gradient, are such that a large amount of suspended solids is trapped and forms a muddy plug (turbidity zone).
The Thames Estuary is the focal part of the 21st-century toponym, the "Thames Gateway", designated as one of the principal development areas in Southern England. The Thames Estuary 2050 Growth Commission report published in June 2018 identified the economic potential of the region.
The Chesapeake Bay ( / ˈtʃɛsəpiːk / CHESS-ə-peek) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware.
Shannon Estuary. The Shannon Estuary in Ireland ( Irish: Inbhear na Sionainne) [ 1] is a large estuary where the River Shannon flows into the Atlantic Ocean. The estuary has Limerick City at its head and its seaward limits are marked by Loop Head to the north and Kerry Head to the south. The estuary defines the main boundary between County ...
The Gironde estuary (/ ʒ ɪ ˈ r ɒ n d / zhi-ROND, [1] US usually / dʒ ɪ ˈ-/ ji-; [2] [3] French: estuaire de la Gironde, [ɛstɥɛʁ də la ʒiʁɔ̃d]; Occitan: estuari de [la] Gironda, [estyˈaɾi ˈde lo dʒiˈɾundo]) is a navigable estuary (though often referred to as a river) in southwest France and is formed from the meeting of the rivers Dordogne and Garonne just downstream of ...
Map of current reserves. The National Estuarine Research Reserve System is a network of 30 protected areas established by partnerships between the National Oceanic and Atmospheric Administration (NOAA) and coastal states. The reserves represent different biogeographic regions of the United States. The National Estuarine Research Reserve System ...
Coos Bay is primarily made up of mud and sand flats that form in areas of low tidal activity. [2] The estuary covers 10,973 acres at mean high water and 5,810 acres at mean low water, and about 48% of the watershed is tideland. [1] Tidal effects can extend up the tributaries 27 miles from the ocean. [1]