CO2
来自Jack's Lab
（版本间的差异）
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(→Overview) |
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| + | August 2019: 409.95 ppm | ||
| + | August 2018: 406.99 ppm | ||
| + | Last updated: September 5, 2019 | ||
| + | |||
July 2019: 411.77 ppm | July 2019: 411.77 ppm | ||
July 2018: 408.71 ppm | July 2018: 408.71 ppm | ||
2019年9月25日 (三) 14:27的版本
1 Overview
早期大气中的 CO2 含量约为 0.03% (300ppm)，最近夏威夷莫纳罗亚气象台观测站的最新数据已经超过 400ppm:
August 2019: 409.95 ppm August 2018: 406.99 ppm Last updated: September 5, 2019 July 2019: 411.77 ppm July 2018: 408.71 ppm Last updated: August 5, 2019 June 2019: 413.92 ppm June 2018: 410.79 ppm Last updated: July 8, 2019
Carbon Dioxide concentration at Mauna Loa Observatory:
From: https://www.esrl.noaa.gov/gmd/ccgg/trends/
2 测量
- How we measure background CO2 levels on Mauna Loa
- 青藏高原洁净地区大气二氧化碳本底浓度的测量及结果分析
