tsIn other warming periods, sea levels rose in bursts, researchers find

Sientists from Rice University and Texas A&M University-Corpus Christi’s Harte Research Institute for Gulf of Mexico Studies have discovered that Earth’s sea level did not rise steadily but rather in sharp, punctuated bursts when the planet’s glaciers melted during the period of global warming at the close of the last ice age. The researchers found fossil evidence in drowned reefs offshore Texas that showed sea level rose in several bursts ranging in length from a few decades to one century.

The findings appeared Wednesday in Nature Communications.

“What these fossil reefs show is that the last time Earth warmed like it is today, sea level did not rise steadily,” said Rice marine geologist André Droxler, a study co-author. “Instead, sea level rose quite fast, paused, and then shot up again in another burst and so on.”

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