NOAA's primary CO2 measurement station is Mauna Loa Observatory in Hawaii.

美国海洋与大气管理局的二氧化碳测量总站设在夏威夷的莫纳·罗亚气象台。

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The longest continuous record of atmospheric carbon dioxide levels (1958-present) comes from Mauna Loa Observatory in Hawaii.

夏威夷的莫纳罗亚山气象观测站提供了从1958年至今为期时间最长的大气二氧化碳水平的连续记录。

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This natural-color satellite image of the summit of Mauna Loa overlaid with 100-meter (330-foot) contour lines helps illustrate why volcanic emissions from the summit rarely reach the observatory.

上图带有间隔100米等高线的天然色卫星照片显示的是莫纳罗亚山峰顶，它可以告诉我们为什么峰顶的火山喷发极少触及到气象站。

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For the first time, scientists measured an average concentration of atmospheric carbon dioxide of 400 parts per million in Mauna Loa, Hawaii, where the National Oceanic and Atmospheric Administration observatory is located, on Thursday.

CNN: CO2 levels hit new peak at key observatory