Earth's Carbon Resources

地球的碳资源

Moore, et al. report a mass of about 7 x 10¹¹ tons of carbon in the atmosphere as CO₂ and about 4.5 x 10¹¹ tons of carbon in vegetation as carbohydrate. The nominal percentage of CO₂ in the atmosphere is about 0.034 percent although in recent years this percentage has been increasing and a reported figure for 2004 is about 0.038%.

Moore 等人报告大气中以二氧化碳形式存在的碳质量约为 7×10¹¹ 吨，而植被中以碳水化合物形式存在的碳质量约为 4.5×10¹¹ 吨。大气中二氧化碳的名义百分比约为 0.034%，尽管近年来这一百分比有所增加，2004 年的报告值约为 0.038%。

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The World's Carbon Reservoirs 地球上的碳库
Reservoir 储库	Size (Gt C) 规模（Gt C）
Atmosphere 大气	750
Forests 森林	610
Soils 土壤	1580
Surface ocean 表层海洋	1020
Deep ocean 深海	38,100
Fossil fuels 化石燃料
Coal 煤	4,000
Oil 石油	500
Natural gas 天然气	500
Total fossil fuel 总化石燃料	5,000

This table of data showing the sizes of the various carbon reservoirs is from U.S. Global Change Research Information Office . The units used are gigatons or billions of metric tons, a metric ton being 1000 kg. A gigaton is then 10⁹ tons or 10¹² kg. While the accuracy of the data is not known, it serves to give a general idea of the places where carbon is to be found.

这张显示各种碳库大小的数据表来自美国全球变化研究信息办公室。所用的单位是十亿吨或十亿公吨，一公吨等于1000千克。因此，十亿吨等于10⁹吨或10¹²千克。虽然数据的准确性未知，但它有助于大致了解碳的分布地点。

From a table on the abundances of the elements in living organisms, carbon is listed at 18.5% of the human body compared to about 0.03% of the Earth.

从生物体中元素丰度的表格中，碳在人体中的含量为18.5%，而地球中的含量约为0.03%。