South America’s Sea Levels Were Multiple Meters Higher And SSTs 2-5°C Warmer Until Recent Centuries

[rebewranger]

South America’s Sea Levels Were Multiple Meters Higher And SSTs 2-5°C Warmer Until Recent Centuries
By Kenneth Richard on 9. June 2022

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Several new and recent studies have affirmed that the waters surrounding South America – from Peru to Chile to Argentina to Brazil – were several degrees warmer and sea levels multiple meters higher than today until the Little Ice Age centuries.

A new study suggests ~4,000 to 5,000 years ago coastal Argentina’s sea surface temperatures were 18.5 to 22.5°C. Modern mean SST are 17°C in this region, which is 2-5°C colder. Back then, marine species could survive 1,000 km south of where they do today, and sea levels were 3-4 meters higher.

Another new study affirms that the coast of Brazil in the equatorial Atlantic has been expanding seaward both in recent centuries and for the last several millennia. Relative sea level was between 3 and 4.6 m higher than today between 7,000 and 5,000 years ago before rapidly receding to today’s levels.

https://notrickszone.com/2022/06/09/south-americas-sea-levels-were-multiple-meters-higher-and-ssts-2-5c-warmer-until-recent-centuries/

[Smokin Joe]

Actually, this sea level is within a couple of feet of what sediments would indicate where i grew up in the tidewater in MD.  The current creeks and runs cut through sediment laid down in calm shallow water, with restricted circulation (likely tidal marsh). That land is now about 20 ft. above mean sea level. In the area, the oldest projectile point types I found were middle to late Archaic, about 3000 years BC.

[Free Vulcan]

And that is within recorded history, contemporary with Egypt and Sumeria.