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Sarah R. Johnson and the International Arctic Buoy Programe team tour the NOAA Barrow Atmospheric Baseline Observatory and observe the methane, water, and carbon dioxide levels. Sarah notes the 422 ppm level of CO2 on this day. Utqiagvik, Alaska.

Credit to Read: 
Photo by Sarah R. Johnson (PolarTREC 2022), Courtesy of ARCUS
Photographer: Sarah R. Johnson
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Image icon Download Johnson_S_P4010049.jpg (4.37 MB)
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