An oceanographer for the National Oceanic and Atmospheric Network says Southeast Alaska is likely to face quicker impact from growing ocean water acidity than other parts of the world. Jessica Cross, of NOAA’s Alaska Fisheries Science Center (AFSC) said during a public presentation hosted by the network on Feb. 20 in Juneau, Alaska, that […]
[dropcap]T[/dropcap]he largest extinction in Earth’s history marked the end of the Permian period, some 252 million years ago. Long before dinosaurs, our planet was populated with plants and animals that were mostly obliterated after a series of massive volcanic eruptions in Siberia. Fossils in ancient seafloor rocks display a thriving and diverse marine ecosystem, […]
[dropcap]P[/dropcap]alo Alto, CA– New research, led by former Carnegie postdoctoral fellow Summer Praetorius, shows that changes in the heat flow of the northern Pacific Ocean may have a larger effect on the Arctic climate than previously thought. The findings are published in the August 7, 2018, issue of Nature Communications. The Arctic is experiencing larger […]
[dropcap]F[/dropcap]ifteen miles inland from the frozen coast of the Arctic Ocean, Teshekpuk Lake is one of the largest freshwater bodies in Alaska. On its northern shoreline are sandy bluffs that hold fossils of walrus, ringed seals and beluga. Thousands of years ago, this shore was an ocean beach. Digging into that beach in the middle […]