• lake effect

    From MrPostingRobot@kymhorsell.com@21:1/5 to All on Fri Jun 4 10:36:49 2021
    XPost: alt.global-warming

    *Widespread deoxygenation of temperate lakes


    Dissolved oxygen have decreased between 2.8 and 9.3 times faster in
    lakes than in oceans between 1941 and 2017, according to a new
    study. The paper analyses over 45,000 dissolved oxygen measurements
    and temperature profiles for 393 temperate lakes. It finds that the
    drop in dissolved oxygen levels in lakes is mainly driven by higher temperatures - as warmer water can hold less dissolved oxygen. The
    authors note that the drop in oxygen levels is "widespread in surface
    and deep-water habitats" and suggest that "climate change and
    declining water clarity have altered the physical and chemical
    environment of lakes".

    *Climate crisis is suffocating the world's lakes, study finds

    Damian Carrington, The Guardian

    Rising temperatures are causing a drop in oxygen levels in the world's
    lakes, according to new research covered by the Guardian, which says
    the shift is "suffocating wildlife and threatening drinking water
    supplies". The paper reports: "Falling levels of oxygen in oceans had
    already been identified, but new research shows that the decline in
    lakes has been between 3 and 9 times faster in the past 40
    years. Scientists found oxygen levels had fallen by 19% in deep waters
    and 5% at the surface." The Times runs under the headline: "Wildlife
    at risk as climate change starves lakes of oxygen." It says the
    research looked at records from 1941-2017 and found that oxygen levels
    in temperate lakes are falling between 3 and 9 times faster
    than in the ocean. The Sydney Morning Herald covers the research,
    which it says was based on findings from 393 temperate lakes mostly in
    Europe and North America. MailOnline also has the story.

    Upcoming events:
    9 Jul 2021 NOAA bn Dollar Disasters Q2

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