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Apr 20, 2021 · When Keeling died in 2005, global CO 2 levels had risen to 380 ppm. This year, on April 3, 2021, we surpassed 420 ppm for the first time in recorded history. These measurements were both taken at the Mauna Loa Observatory, Keeling’s legacy. Yet, sixty-three years after its establishment, human-induced climate change is still a topic of ...
Oct 29, 2021 · Keeling instead used direct sampling with what is now called Keeling flasks. Surprisingly, they are still in use today: “Hold your breath and walk into the wind, then open the valve,” says Tim Lueker, a researcher in the CO2 Research Group at Scripps Institution of Oceanography, UC San Diego.
1 day ago · The 2024 MLB postseason features a month of games broadcast across six channels and, for the first time, includes a wrinkle for the start of the World Series. Should the National League Championship Series and American League Championship Series both end by Oct. 19 -- meaning neither series lasts longer
Jun 24, 2023 · Keeling flask National Museum of American History Keeling flask, late 20th-century A hissing noise escaped from this flask as it was opened at an altitude of more than 11,000 feet at the Mauna Loa ...
MLB Postseason 2024: Find all the details about this year's Major League Baseball Postseason! Find playoff schedules for the Wild Card Series, American League Division Series, National League Division Series, American League Championship Series, National League Championship Series, and World Series, and find out where to watch them or buy playoff tickets.
In 2001, forty-three years after he started accumulating a dataset that bears his name, Charles David Keeling [1928-2005] was awarded the National Medal of Science "For his pioneering and fundamental research on atmospheric and oceanic carbon dioxide, the basis for understanding global carbon cycle and global warming."
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Apr 30, 2015 · The atmospheric fraction appeared to be approximately 55%, meaning that roughly half of all CO 2 released by coal, oil and natural gas was remaining in the atmosphere, thus causing the Keeling Curve’s annual rise. This figure, reported by Keeling and colleagues at Scripps in 1973, is known as the “airborne fraction.”.
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