Science, Space and Technology News 2024
Recent research highlights the significant impact of diminishing Arctic sea ice on the “Warm Arctic, Cold Eurasia” climate pattern, with studies showing variable effects due to atmospheric conditions. Future projections indicate an increase in Arctic winter ice formation until mid-century, offering insights into ongoing climate changes. Sea ice in Disko Bay, Greenland, 20. March 2023.
Dr. Shengping He from the University of Bergen has conducted research that highlights how Arctic sea ice influences winter temperatures in East Asia.Arctic sea ice has been rapidly declining, diminishing by about 12.2% in summer extent per decade over the past 40 years. Earlier studies suggested that diminishing Arctic sea ice played a key role in driving the “Warm Arctic, Cold Eurasia” climate mode.
The team also investigated future Arctic sea ice changes, focusing on newly formed winter ice. As the Arctic warms, the increase in open ocean areas in winter allows for more newly formed ice. This newer ice provides critical information about Arctic-air-sea interactions and broader atmospheric connections in the Northern Hemisphere.
These new studies not only quantified the direct impact of Arctic sea ice on winter temperatures but also unveiled the increasing trend in winter Arctic newly formed ice. The findings offer crucial insights into climate changes in the “new Arctic” era. Reference: “Relative Impacts of Sea Ice Loss and Atmospheric Internal Variability on the Winter Arctic to East Asian Surface Air Temperature Based on Large-Ensemble Simulations with NorESM2” by Shengping He, Helge Drange, Tore Furevik, Huijun Wang, Ke Fan, Lise Seland Graff and Yvan J. Orsolini, 2 April 2024,What gets me is science says we are reaching a TIPPING POINT but scientist can’t even reach a consensus to follow.
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