Search results
Results from the WOW.Com Content Network
When there is a series of estuaries involved, a large exposure time (larger than that of the individual estuaries), will occur if the tidal outflow from one estuary re-enters a different estuary during the flood tide. Along a rugged coastline with headlands, however, mixing of estuary and oceanic waters can be intense. When estuarine water ...
Tides are defined as the periodic rise and fall of the surface of the sea along the coast that are driven by the gravitational pull of the moon and of the sun. [2] Although estuaries are influenced by the tides, they are often somewhat protected from storms and tidal action by buffers further offshore including barrier islands and peninsulas. [1]
[1] In terms of tides, tidal rivers are classified as microtidal (<2 m), mesotidal (2-4 m), and macrotidal (>4 m). [2] Areas of brackish water seaward of the tidal river section are often called estuaries. A phenomenon commonly associated with tidal rivers is a tidal bore, where a wall of water travels upriver during a flood tide. [1]
The width-to-depth ratio is generally small. In estuaries with very shallow sills, tidal oscillations only affect the water down to the depth of the sill, and the waters deeper than that may remain stagnant for a very long time, so there is only an occasional exchange of the deep water of the estuary with the ocean.
Tidal salt marsh at Ella Nore in Chichester, England. A tidal marsh (also known as a type of "tidal wetland") is a marsh found along rivers, coasts and estuaries which floods and drains by the tidal movement of the adjacent estuary, sea or ocean. [1]
Shell growth in estuaries is an aspect of marine biology that has attracted a number of scientific research studies. Many groups of marine organisms produce calcified exoskeletons , commonly known as shells , hard calcium carbonate structures which the organisms rely on for various specialized structural and defensive purposes.
What are king tides and will they get worse with climate change?
A tidal prism is the volume of water in an estuary or inlet between mean high tide and mean low tide, [1] or the volume of water leaving an estuary at ebb tide. [2]The inter-tidal prism volume can be expressed by the relationship: P=H A, where H is the average tidal range and A is the average surface area of the basin. [3]