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"Coral reefs “develop rapidly in the warm period” (Roman, Medieval), and “coral reefs develop slowly in the cold period” (Little Ice Age, the Dark Ages Cold Period). Why? Because “warm periods are conducive to coral growth.”
Coral reef growth rates have rapidly accelerated in the last 300 years, or since the industrial revolution commenced.
Sea levels were 2 meters higher than they are today ~4,000 years ago, and still about 1 meter higher than today 1,000 years ago, or during the Medieval Warm Period. Lower sea levels produce a “decline in the coral reef development rate”.
The South China Sea surface temperatures were “3 to 6°C higher than today” from about 5,000 to 4,000 years ago; coral reefs developed rapidly in that warmth."
Wait, what, how, Muh Goreball scorching crisis fails!?!?!?