‘Atlas Of The Underworld’ Reveals Oceans And Mountains Lost To Earth’s History
Earth has a bad habit of erasing its own history. At intersections of tectonic plates worldwide, slabs of ocean crust dive into the mantle, part of the continuous cycle that not only drives the continents’ drift, but also fuels the volcanism that builds up island chains like Japan and mountains like the Andes. The disappearance of these slabs, called subduction, makes it difficult to reconstruct oceans as they existed hundreds of millions of years ago, as well as the mountains flanking them.
Oceans Act As A ‘Heat Sink’: No Global Warming ‘Hiatus’
A new multi-institutional study of the so-called global warming “hiatus” phenomenon — the possible temporary slowdown of the global mean surface temperature (GMST) trend said to have occurred from 1998 to 2013 — concludes the hiatus simply represents a redistribution of energy within Earth system, which includes the land, atmosphere and the ocean.