State of the Climate in 2019
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State of the Climate in 2019

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  • Journal Title:
    Bulletin of the American Meteorological Society
  • Personal Author:
  • NOAA Program & Office:
    NOAA General Documents
  • Description:
    In 2019, the dominant greenhouse gases released into Earth’s atmosphere continued to increase. The annual global average carbon dioxide concentration at Earth’s surface was 409.8 ± 0.1 ppm, an increase of 2.5 ± 0.1 ppm over 2018, and the highest in the modern instrumental record and in ice core records dating back 800 000 years. Combined, greenhouse gases and several halogenated gases contributed 3.14 W m−2 to radiative forcing, representing a 45% increase since 1990. Carbon dioxide is responsible for about 65% of this radiative forcing. The annual net global uptake of ~2.4 billion metric tons of carbon dioxide by oceans was the highest in the record dating to 1982 and 33% higher than the 1997–2017 average.
  • Source:
    Bulletin of the American Meteorological Society, 101(8), S1-S429
  • DOI:
  • ISSN:
    0003-0007;1520-0477;
  • Format:
    PDF
  • Publisher:
    American Meteorological Society
  • Document Type:
    Journal Article
  • Rights Information:
    Other
  • Compliance:
    Submitted
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