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・ Shingen
・ Shingen the Ruler
・ Shingen Yashida
・ Shingetsu
・ Shingetsu Institute
・ Shingi Ono
・ Shingi Station
・ Shingini language
・ Shingirai Masakadza
・ Shingisai Suluma
・ Shingkap
・ Shingkar Monastery
・ Shingkarap
・ Shingkhar Gewog
・ Shingle
Shingle beach
・ Shingle Cabin Brook
・ Shingle Cove
・ Shingle Creek
・ Shingle Creek (British Columbia)
・ Shingle Creek (Florida)
・ Shingle Creek, British Columbia
・ Shingle Creek, Minneapolis
・ Shingle dancing
・ Shingle Inn
・ Shingle Lake
・ Shingle Mill Run
・ Shingle Pass Limestone
・ Shingle Peak (Nevada)
・ Shingle Run


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Shingle beach : ウィキペディア英語版
Shingle beach

A shingle beach is a beach which is armoured with pebbles or small- to medium-sized cobbles (as opposed to fine sand). Typically, the stone composition may grade from characteristic sizes ranging from diameter.
While this beach landform is most commonly found in Western Europe, examples are found in Bahrain, North America and in a number of other world regions, such as the east coast of New Zealand's South Island, where they are associated with the shingle fans of braided rivers. Though created at shorelines, post-glacial rebound can raise shingle beaches as high as above sea level, at the High Coast in Sweden.
The ecosystems formed by this unique association of rock and sand allow colonization by a variety of rare and endangered species.〔(''UK's rare shingle beaches at risk'', Alex Kirby, BBC News Online, June 3, 2003 )〕
==Formation==
Shingle beaches are typically steep, because the waves easily flow through the coarse, porous surface of the beach, decreasing the effect of backwash erosion and increasing the formation of sediment into a steeply sloping beach.〔Easterbrook, Don J. Surface Processes and Landforms. 1999 Prentice-Hall Inc. Upper Saddle River, NJ〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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