Estimates of carbon in the deep mantle vary by more than an order of magnitude. Coupled volcanic CO2 emission data and magma supply rates reveal a carbon-rich mantle plume source region beneath Hawai'i with 40% more carbon than previous estimates.

中文翻译：

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深层地幔：检测到丰富的碳源

深地幔中碳的估计值相差一个数量级以上。结合火山二氧化碳排放量数据和岩浆供应率，可以发现夏威夷下的富碳地幔羽源区比以前的估算多出40％的碳。