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| The State of Greenhouse Gases in the Atmosphere Based on Global Observations through 2016 | |
| 世界气象组织 | |
| 出版日期 | 2017 |
| 英文摘要 |
The rate of increase of atmospheric carbon dioxide (CO2)
over the past 70 years is nearly 100 times larger than
that at the end of the last ice age. As far as direct and
proxy observations can tell, such abrupt changes in
the atmospheric levels of CO2 have never before been
seen. The figure on the left shows the CO2 atmospheric
content at the end of the last ice age, and the figure
on the right shows recent atmospheric CO2 content
[1]. The thin grey area on the left figure, which looks
like a vertical line, corresponds to a similar period of
70 years as depicted on the right figure for modern
times. Rapidly increasing atmospheric levels of CO2 and
other greenhouse gases (GHGs) have the potential to
initiate unpredictable changes in the climate system,
because of strong positive feedbacks, leading to severe
ecological and economic disruptions. The WMO Global
Atmosphere Watch (GAW) Programme tracks the
changing levels of GHGs and serves as an early warning
system by detecting changes in these key atmospheric
drivers of climate change. |
| 国家 | UN |
| 语种 | 英语 |
| 来源机构 | 世界气象组织 |
| 文献类型 | 科技报告 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/30912 |
| 推荐引用方式 GB/T 7714 | 世界气象组织. The State of Greenhouse Gases in the Atmosphere Based on Global Observations through 2016,2017. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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