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Hace 4 horas · Rivers and streams in Alaska are changing color – from a clean, clear blue to a rusty orange – because of the toxic metals released by thawing permafrost, according to a new study.
Hace 6 días · 23 MAY. 2024 14:02 Actualizada 24 MAY. 2024 13:36. Los metales liberados por el deshielo del permafrost están oxidando y contaminando ríos y arroyos de Alaska: ayer prístinos, estos cursos de ...
Hace 1 día · Published May 28, 2024. At least 75 rivers in Alaska have turned orange so far as permafrost melts and releases minerals like iron into the water. Josh Koch/U.S. Geological Survey Water runs orange in this tributary of the Kugururok River in Alaska. Alaska is known for its picturesque nature, its majestic peaks and stunning vistas.
Hace 1 día · Microorganisms are responsible for the process that will generate greenhouse gasses from thawing northern peatlands, which contain about 50% of the world’s soil carbon. For now, many of the microbes in this environment are frozen and inactive. But as the land thaws the microbes will “wake up” and begin to churn through carbon in the ground.
Hace 2 días · Home Archaeology Frozen in Time: Archaeologists Discover an Intact 39,500-Year-Old Cave Bear in the Siberian Permafrost .qv Archaeology QV May 27, 2024 0 Comment In a ѕtагtɩіпɡ archaeological revelation, archaeologists have uncovered the fully preserved remains of a 39,500-year-old cave bear from the icy depths of Siberian permafrost.
Hace 5 días · Permafrost thaw is a significant component of Mathew Summer, contributing to its impacts on the Arctic environment and beyond. Permafrost refers to ground that remains frozen for at least two consecutive years, typically found in cold regions like the Arctic. As summer temperatures rise due to Mathew Summer, ...
Hace 6 días · Dozens of Alaska’s most remote streams and rivers are turning from a crystal clear blue into a cloudy orange, and the staining could be the result of minerals exposed by thawing permafrost, new research in the Nature journal Communications: Earth and Environment finds.
