“Breaking” news for the ocean's carbon budget

“Breaking” news for the ocean's carbon budget
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有关海洋碳预算的“重大新闻”

DOI:
10.1126/science.aba7109
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发表时间:
2020
期刊:
影响因子:
56.9
通讯作者:
Twardowski, Michael S.
Twardowski, Michael S.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Nayak, Aditya R.;Twardowski, Michael S.

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海洋在地球的碳循环中起着关键作用。量化碳循环的基本过程并将其扩展到未来的预测仍然是巨大的科学挑战。近30%的人为碳从大气中被吸收到海洋中,在那里,永恒的,无处不在的微观颗粒群将碳运输到孤立的深海中(1)。这一复杂的路径是由各种生物物理和化学相互作用驱动的,包括浮游植物生产力、浮游动物摄食、海洋混合和湍流、平流以及颗粒和聚集体的下沉(2)(见图)。在第791页,Briggset al。(3)定量描述了颗粒碎裂在海洋碳储存中的关键作用,可能占未能沉入深海的颗粒通量的一半。
Oceans play a critical role in Earth's carbon cycle. Quantifying essential processes in carbon cycling and extending these to future predictions remain great scientific challenges. Nearly 30% of anthropogenic carbon is absorbed from the atmosphere into the ocean, where sempiternal, ubiquitous populations of microscopic particles transport carbon into the isolated deep sea (1). This complex pathway is driven by various biophysical and chemical interactions, including phytoplankton productivity, zooplankton grazing, oceanic mixing and turbulence, advection, and the sinking of particles and aggregates (2) (see the figure). On page 791 of this issue, Briggset al.(3) quantitatively describe the key role of particle fragmentation in carbon storage by the ocean, potentially accounting for half of the particle flux that fails to sink into the deep ocean.
DOI: 10.5194/bg-14-177-2017
发表时间: 2017-01-12
期刊: BIOGEOSCIENCES
影响因子: 4.9
作者:
Cavan, Emma L.;Henson, Stephanie A.;Sanders, Richard
通讯作者: Sanders, Richard
根据光学记录初级密度跃层以下深度的总颗粒体积估算碳通量
DOI: 10.3389/fmars.2019.00778
发表时间: 2019
影响因子: 3.7
作者:
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通讯作者: G. Herndl
DOI: 10.1016/j.dsr.2015.02.001
发表时间: 2015-05-01
影响因子: 2.4
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