Reconciling Atmospheric and Oceanic Views of the Transient Climate Response to Emissions

Reconciling Atmospheric and Oceanic Views of the Transient Climate Response to Emissions
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协调大气和海洋对排放瞬态气候响应的看法

DOI:
10.1029/2018gl077849
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发表时间:
2018
影响因子:
5.2
通讯作者:
V. Roussenov
V. Roussenov
中科院分区:
地球科学1区
文献类型:
--
作者:
Anna Katavouta;Richard G. Williams;P. Goodwin;V. Roussenov

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瞬时气候对排放的响应(TCRE),即地表变暖和累积碳排放的比率,由热量和碳贡献的产物控制。碳的贡献包括空气中的碳含量以及海洋饱和碳和大气碳的比例,这一比例受海洋碳酸盐化学的控制。TCRE的碳贡献的演变在一系列模型中得到了说明:一个大气-海洋的盒子模型和一个地球系统模型,两者都集成了1,000年,以及一套集成了140年的地球系统模型。对于所有模型,有相同的通用碳酸盐化学反应:在排放过程中酸化的海洋导致海洋饱和和大气碳库存的比例下降,以及对TCRE的碳贡献。因此,海洋碳酸盐化学在控制TCRE的大小及其随时间的演变方面很重要。
The Transient Climate Response to Emissions (TCRE), the ratio of surface warming and cumulative carbon emissions, is controlled by a product of thermal and carbon contributions. The carbon contribution involves the airborne fraction and the ratio of ocean saturated and atmospheric carbon inventories, with this ratio controlled by ocean carbonate chemistry. The evolution of the carbon contribution to the TCRE is illustrated in a hierarchy of models: a box model of the atmosphere‐ocean and an Earth system model, both integrated for 1,000 years, and a suite of Earth system models integrated for 140 years. For all models, there is the same generic carbonate chemistry response: An acidifying ocean during emissions leads to a decrease in the ratio of the ocean saturated and atmospheric carbon inventories and the carbon contribution to the TCRE. Hence, ocean carbonate chemistry is important in controlling the magnitude of the TCRE and its evolution in time.
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发表时间: 2009-02
期刊: Nature Geoscience
影响因子: 18.3
作者:
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