Mudflat

General sketch-map of a tidal plain, showing the typical tripartition in supratidal, intertidal and subtidal zones. The most apparent character of the area is the development of tidal channels, affecting mainly the intertidal zone. In this case, the tidal flat is protected seaward by a beach barrier, but in many cases (low-energy waves and longshore currents) the tidal flats may directly pass into a shallow marine environment.

Mudflats in Brewster, Massachusetts, United States, extending hundreds of yards offshore at the low tide. The line of seashells in the foreground indicates the high-water mark.

Gulls feeding on mudflats in Skagit Bay, Washington.

Mudflats or mud flats, also known as tidal flats, are coastal wetlands that form when mud is deposited by tides or rivers. They are found in sheltered areas such as bays, bayous, lagoons, and estuaries. Mudflats may be viewed geologically as exposed layers of bay mud, resulting from deposition of estuarine silts, clays and marine animal detritus. Most of the sediment within a mudflat is within the intertidal zone, and thus the flat is submerged and exposed approximately twice daily.

单词	Sand flat
释义	Sand flat 原声例句经济学人（汇总） Muck divers explore apparently unpromising sand flats and muddy silts devoid of visible inhabitants. 漫潜者探索的是毫无前途的沙坪区域以及没有任何可见居住动物的泥沙区域。英语百科 Mudflat Mudflats or mud flats, also known as tidal flats, are coastal wetlands that form when mud is deposited by tides or rivers. They are found in sheltered areas such as bays, bayous, lagoons, and estuaries. Mudflats may be viewed geologically as exposed layers of bay mud, resulting from deposition of estuarine silts, clays and marine animal detritus. Most of the sediment within a mudflat is within the intertidal zone, and thus the flat is submerged and exposed approximately twice daily.
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Sand flat

Mudflat