glacial control theory

…On the other hand, RA Daly, from 1910 to 1934, argued that there is a close relationship between the rise and fall of glaciers and sea level changes, that the development of ice sheets during the glacial period caused a drop in sea level of about 60 to 90 meters, which led to the formation of muddy deposits due to active marine erosion, and that the flatness of the lagoon bottom and uniformity of water depth of atolls are topographical evidence of the drop in sea level. He also proposed the glacial control theory, which states that during the glacial period, sea temperature also dropped by 5 to 10 degrees Celsius, which, together with the muddy deposits, prevented the formation of reefs, and that the sea level then rose toward the current interglacial period, causing the formation of reefs. In response, WM Davis, who is famous for his theory of geomorphic reincarnation, supported Darwin's subsidence theory as a whole, but recognized the drop in sea temperature and sea level due to Daly's climate change, and proposed the marginal zone theory in 1923 and 1928. …

*Some explanations of terms that refer to "glacial control theory" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…一方，R.A.デーリーは1910‐34年にかけて，氷河の消長と海水準変化は密接な関係があり，氷期の氷床の発達は60～90mほどの海水準の低下をもたらして活発な海食による泥質の堆積物を形成し，環礁の礁湖底の平たんさと水深の一様さは海水準低下の地形証拠であるとした。また氷期には海水温も5～10℃の範囲で低下し，泥質堆積物とあいまって礁の形成は阻止され，その後現在の間氷期に向かって海水準が上昇し，礁の形成が行われたという氷河制約説glacial control theoryを提唱した。これに対して地形輪廻説で有名なW.M.デービスはダーウィンの沈降説を全体として支持しながら，デーリーの気候変化に伴う海水温の低下や海水準低下を認めて縁辺帯説を1923,28年に提唱した。…

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