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“感知中国—共话海上丝路”在华留学生科学论坛 专辑出版
Special issue: Experiencing China – Dialogue of Maritime Silk Road – A collection of research highlights from IMBeR endorsed Forum
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February 2021,
No. 12

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New IMBeR Special Issue
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IMECaN Outcome
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IMBeR IPO - China is fully sponsored by ECNU and SKLEC
Editors: Kai QIN, Tracey Woodhouse and Fang ZUO from IMBeR IPOs

Proofreader: Shan JIANG from SKLEC, ECNU
基于海洋的气候方案可行性
Potential of Ocean-based Climate Action
作者：Jean-Pierre Gattuso, Phillip Williamson, Carlos Duarte, Alexandre Magnan
落实《巴黎协定》是一项艰巨的挑战。这需要所有部门进行前所未有的深远转变，也需要大规模使用负排放技术(Negative Emission Technologies, NETs)，即人类有意识地从大气中消除温室气体。除缓解措施外，海洋也是生态适应措施的执行对象。在气候谈判中，基于海洋的气候行动受到的关注相对较少。今年即将举行第26届联合国气候变化大会，应及时评估海洋在全球和局地气候变化中扮演的角色，探究海洋和气候变化的耦合关系。
在这篇论文中，基于海洋而采取的措施被分为三个与政策相关的类别，分别是“Decisive (决定性）”、“Low Regret (低遗憾)”和“Concept stage (概念阶段)”。经过评估，没有一种基于海洋的负排放技术可被归为决定性类别（高效、经济且可全球治理）。恢复和增加沿海植被归为低遗憾类别（兼具气候效益和非气候效益，中低程度负面效益，可全球治理）。概念阶段类别（可行性和协调效益较低）包含三种技术，其中，具有碳捕获和储存的海洋生物能源被认为存在低至中度的弊端，提高开放海洋生产力、增强风化和碱化被认为存在高度的弊端。基于海洋的负排放技术是不确定的，但可能行之有效。在研究和发展方面，应具有较高的优先级。
Implementing the Paris Agreement is a formidable challenge. It requires far-reaching and unprecedented transitions in all sectors, and also large-scale use of negative emissions technologies (NETs), that is removal of greenhouse gases from the atmosphere by deliberate human activities. Beside mitigation, the ocean is also source of ecological adaptation measures but ocean-based climate actions have received relatively minor attention in climate negotiations. Ahead of COP26 this year, it is timely to assess the opportunities offered by the ocean to reduce the causes and also the consequences of climate change, globally and locally.
In a new paper, the authors have clustered ocean-based measures in three policy-relevant categories (Decisive, Low Regret, Concept Stage). None of the ocean-based NETs assessed are identified as Decisive at this stage. One is Low Regret (Restoring and increasing coastal vegetation), and three are at Concept Stage, one with low to moderate potential disbenefits (Marine bioenergy with carbon capture and storage) and two with potentially high disbenefits (Enhancing open-ocean productivity and Enhancing weathering and alkalinization). Ocean-based NETs are uncertain but potentially highly effective. They have high priority for research and development. Click to access full text of the article
跨学科海洋青年学者联盟（IMECaN）最新成果：
东印度洋和西太平洋的大气湿沉降氮：
解析空间分布、溯源和潜在影响
New IMECaN publication：Nitrogen in Atmospheric Wet Depositions Over the East Indian Ocean and West Pacific Ocean: Spatial Variability, Source Identification, and Potential Influences
基于2019年6月 IMBeR 的 Future Oceans2 国际会议的计划，跨学科海洋青年学者联盟（IMECaN）在海洋学经典期刊《Frontiers in Marine Science》组织了第一次学术专刊。这个专刊收录了171名来自不同国家的作者撰写的30篇学术论文。目前这本专刊的阅读量已经高达10万次。江山博士作为 IMECaN 委员会成员递交了基于两个联合航次成果的学术论文。该论文刻画了东印度洋和西太平洋的热带海区降雨中氮元素的空间分布特征，亦通过多重稳定同位素示踪了氮元素的来源。作为首发研究，该论文的成果对于全球氮元素蓄库的计算以及热带海区初级生产力的估算有较大的参考价值。
According to the proposal on Future Oceans2 Conference (Brest-France, June 2019), IMECaN launched their first special issue on Frontiers in Marine Science with the topic of “Solving Complex Ocean Challenges Through Interdisciplinary Research: Advances from Early Career Marine Scientists”. Currently, this special issue receives 30 research contributions from 171 authors. The total views of this special issue reach 103, 080. Dr. Shan Jiang, the IMECaN committee member in China, made a submission based on two collaborated ocean surveys. In this research work, Shan and co-authors described spatial variability of different nitrogen species in atmospheric wet depositions (rainwater) over the East Indian Ocean (EIO) and West Pacific Ocean (WPO) and explored potential sources of rainwater nitrogen using multi-stable isotopes. As the first study on N concentrations and stoichiometry balance in rainwater over the equatorial EIO and WPO, the results from this work could be a support to the global N budget estimation and oceanic primary production modeling. Click to access full text of the article


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