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Impacts of Ice-Ocean Stress on the Subpolar Southern Ocean:Role of the Ocean Surface Current

Advances in Atmospheric Sciences 2024年第2期41卷 293-309页

作者： Yang WU zhaomin wang Chengyan LIU Liangjun YAN School of Information Engineering Nanjing Xiaozhuang UniversityNanjing 211171China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China College of Oceanography Hohai UniversityNanjing 210098China

The mechanical influences involved in the interaction between the Antarctic sea ice and ocean surface current(OSC)on the subpolar Southern Ocean have been systematically investigated for the first time by conducting two simulations that include and exclude the OSC in the calculation of the ice-ocean stress(IOS), using an eddy-permitting coupled ocean-sea ice global model. By comparing the results of these two experiments, significant increases of 5%, 27%, and 24%, were found in the subpolar Southern Ocean when excluding the OSC in the IOS calculation for the ocean surface stress,upwelling, and downwelling, respectively. Excluding the OSC in the IOS calculation also visibly strengthens the total mechanical energy input to the OSC by about 16%, and increases the eddy kinetic energy and mean kinetic energy by about38% and 12%, respectively. Moreover, the response of the meridional overturning circulation in the Southern Ocean yields respective increases of about 16% and 15% for the upper and lower branches;and the subpolar gyres are also found to considerably intensify, by about 12%, 11%, and 11% in the Weddell Gyre, the Ross Gyre, and the Australian-Antarctic Gyre, respectively. The strengthened ocean circulations and Ekman pumping result in a warmer sea surface temperature(SST), and hence an incremental surface heat loss. The increased sea ice drift and warm SST lead to an expansion of the sea ice area and a reduction of sea ice volume. These results emphasize the importance of OSCs in the air-sea-ice interactions on the global ocean circulations and the mass balance of Antarctic ice shelves, and this component may become more significant as the rapid change of Antarctic sea ice.

关键词： subpolar Southern Ocean Antarctic sea ice ice-ocean stress air-sea-ice-ocean interaction ocean surface current MITgcm-ECCO2

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Unlocking the potential of ultra-thin two-dimensional antimony materials:Selective growth and carbon coating for efficient potassium-ion storage

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Journal of Energy Chemistry 2024年第5期92卷 440-449页

作者： Dongyu Zhang zhaomin wang Yabin Shen Yeguo Zou Chunli wang Limin wang Yong Cheng State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied ChemistryChinese Academy of Sciences(CAS)Changchun 130022JilinChina School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei 230026AnhuiChina

Antimony-based anodes have attracted wide attention in potassium-ion batteries due to their high theoretical specific capacities(∼660 mA h g^(-1))and suitable voltage ***,severe capacity fading caused by huge volume change and limited ion transportation hinders their practical ***,strategies for controlling the morphologies of Sb-based materials to improve the electrochemical performances have been *** these,the two-dimensional Sb(2D-Sb)materials present excellent properties due to shorted ion immigration paths and enhanced ion ***,the synthetic methods are usually tedious,and even the mechanism of these strategies remains elusive,especially how to obtain large-scale 2D-Sb ***,a novel strategy to synthesize 2D-Sb material using a straightforward solvothermal method without the requirement of a complex nanostructure design is *** method leverages the selective adsorption of aldehyde groups in furfural to induce crystal growth,while concurrently reducing and coating a nitrogen-doped carbon *** to the reported methods,it is simpler,more efficient,and conducive to the production of composite nanosheets with uniform thickness(3–4 nm).The 2D-Sb@NC nanosheet anode delivers an extremely high capacity of 504.5 mA h g^(-1) at current densities of 100 mA g^(-1) and remains stable for more than 200 *** characterizations and molecular dynamic simulations,how potassium storage kinetics between 2D Sb-based materials and bulk Sb-based materials are explored,and detailed explanations are *** findings offer novel insights into the development of durable 2D alloy-based anodes for next-generation potassium-ion batteries.

关键词： Antimony Two-dimensional materials Selective growth Nitrogen-doped carbon Potassium-ion batteries

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Polar climate system modeling in China: Recent progress and future challenges

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Science China Earth Sciences 2019年第7期62卷 1076-1091页

作者： zhaomin wang Dake CHEN College of Oceanography Hohai University International Polar Environment Research Laboratory Hohai University State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography

The first fully coupled atmosphere-ocean-sea ice model developed in China was released in the mid-1990s. Since then, significant advances in climate system model developments have been achieved by improving the representations of major physical processes, increasing resolutions, and including an ice-shelf component. There have also been many modeling studies in China on the polar climate system, including weather and sea-ice numerical forecasts to meet the national needs of polar scientific expeditions, assessments of the state-of-the-art coupled model performance, and process-oriented studies. Future model developments and modeling activities will need to address several big scientific questions originating from the polar climate system: i) How will polar ice mass balance evolve and affect global sea level? ii) How can we properly simulate openocean deep convection and quantify its role in driving the lower branch of the global overturning circulation? iii) How are Arctic and Antarctic connected and what caused the contrasting sea ice trends in the two polar regions over the last decades? To address these questions, polar climate system modelers will need to analyze extended observational datasets on a global scale and work together with other polar researchers to develop a more comprehensive and sustainable observation system in the polar regions.

关键词： Polar climate system Modeling Progress Challenges

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On the Response of the Global Subduction Rate to Global Warming in Coupled Climate Models

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Advances in Atmospheric Sciences 2014年第1期31卷 211-218页

作者： LIU Chengyan wang zhaomin School of Marine Sciences Nanjing University of Information Science & Technology

The response of the global subduction rate to global warming was assessed based on a set of Intergovernmental Panel on Climate Change （IPCC） Fourth Assessment Report （AR4） models. It was found that the subduction rate of the global ocean could be significantly reduced under a warming climate, as compared to a simulation of the present-day climate. The reduction in the subduction volume was quantitatively estimated at about 40 Sv and was found to be= primarily induced by the decreasing of the lateral induction term due to a shallower winter mixed layer depth. The shrinking of the winter mixed layer would result from intensified stratification caused by increased heat input into the ocean under a warming climate. A reduction in subduction associated with the vertical pumping term was estimated at about 5 Sv. F^rther, in the Southern Ocean, a significant reduction in subduction was estimated at around 24 Sv, indicating a substantial contribution to the weakening of global subduction.

关键词： subduction rate mixed layer depth global warming

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Sn-based Intermetallic Compounds for Li-ion Batteries: Structures, Lithiation Mechanism, and Electrochemical Performances

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Energy & Environmental Materials 2018年第3期1卷 132-147页

作者： Zheng Yi zhaomin wang Yong Cheng Limin wang State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied ChemistryCASChangchun 130022China Department of Chemistry University of Science and Technology of ChinaHefei 230026China Key Laboratory of Preparation and Application of Environmental Friendly Materials Jilin Normal UniversityChangchun 130103China

On account of the lower theoretical capacity of the traditional graphite,the development of reliable anode materials with high capacity and energy density for application in lithium-ion batteries(LIBs)is zealously pur... 详细信息

关键词： anode materials lithiation mechanism lithium-ion batteries review Sn

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控制无麸质食品血糖生成指数的策略

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中国粮油学报 2024年第8期39卷 9-17页

作者：罗丹王朝敏桑梓晴谢强陈晨王剑英薛文通中国农业大学食品科学与营养工程学院北京100089 山东玉杰面粉有限公司滨州251805

近年来,随着乳糜泻和慢性代谢性疾病患者数量的增加,对低血糖生成指数(GI)无麸质食品的需求也不断上升。文章综述了原料如谷物(大米、小米、燕麦)、伪谷物(荞麦、藜麦、苋菜籽)、豆类等、外源改良剂如蛋白质、脂质、膳食纤维、抗性淀粉... 详细信息

近年来,随着乳糜泻和慢性代谢性疾病患者数量的增加,对低血糖生成指数(GI)无麸质食品的需求也不断上升。文章综述了原料如谷物(大米、小米、燕麦)、伪谷物(荞麦、藜麦、苋菜籽)、豆类等、外源改良剂如蛋白质、脂质、膳食纤维、抗性淀粉、多酚等和加工方式对无麸质食品GI的影响;在此基础上,指出了开发低GI无麸质食品所面临的挑战,并展望了该领域的发展前景,旨在为生产营养均衡和口感良好的低GI无麸质食品提供参考,并满足乳糜泻患者多方面消费需求。

关键词：低血糖生成指数无麸质食品乳糜泻谷物功能食品

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Comparison of the Petroleum Geology in the Deep-Water Basins between the Passive Margin of Morocco and Its Conjugate Margin of Canada

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Journal of Earth Science 2020年第5期31卷 919-929页

作者： Chengpeng Song Shu Jiang Zhixin Wen zhaomin wang PetroChina Research Institute of Petroleum Exploration and Development Beijing 100083China Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education&School of Earth Resources China University of GeosciencesWuhan 430074China

This paper systematically investigates and compares the petroleum geology elements and oil and gas exploration potential in the deep-water basins along the conjugate passive margins between Morocco in NW Africa and Nova Scotia in Canada. Both the deep-water basins along the passive margin in Morocco and its conjugate passive margin deep-water basin in Nova Scotia have undergone similar multiple stages of tectonic evolution. These conjugate basins both have Jurassic and Cretaceous source rocks;Triassic sandstone, Jurassic–Cretaceous carbonate and sandstone, and Miocene–Pliocene sandstone reservoirs;multiple sets of mudstones and regional Triassic salt as caprocks. These characteristics indicate good hydrocarbon accumulation conditions and exploration prospects. The comparison also reveals that the key exploration targets in the deep-water basins of Morocco should be Tertiary turbidite sandstone reservoirs and Jurassic–Cretaceous sandstone and carbonate reservoirs. Compared with the Scotian Basin, the Morocco deep-water basins may have Paleozoic play potential sourced from the mature Silurian hot shale source rock that extends from the onshore NW African Plate. The prospective exploration targets in the deep-water Scotian Basin should be focused on the Jurassic and Cretaceous deep-water turbidite sandstone reservoirs formed by widely-developed large river systems.

关键词： conjugate margins Morocco Nova Scotia tectonic evolution petroleum geology exploration potential

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Impacts of High-Frequency Atmospheric Forcing on Southern OceanCirculation and Antarctic Sea Ice

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Advances in Atmospheric Sciences 2020年第5期37卷 515-531页

作者： Yang WU zhaomin wang Chengyan LIU and Xia LIN College of Oceanography Hohai UniversityNanjing 210098China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China International Polar Environment Research Laboratory Hohai UniversityNanjing 210098China University Corporation for Polar Research Beijing 100875China

The relative contributions of atmospheric fluctuations on 6 h?2 d,2?8 d,and 8 d?1 month time scales to the changes in the air?sea fluxes,the SO circulation,and Antarctic sea ice are *** was found that the imposed forcing variability on the three time scales creates a significant increase in wind power input,and hence an increase of about 50%,97%,and 5%of eddy kinetic energy relative to the simulation driven by monthly forcing,***,SO circulation and the strength of the upper cell of meridional overturning circulation become *** results indicate more dominant effects of atmospheric variability on the 2?8 d time scale on the SO ***,the 6 h?2 d(2?8 d)atmospheric variability causes an increase in the total sea-ice extent,area,and volume,by about 33%,30%,and 19%(17%,20%,and 25%),respectively,relative to those in the experiment forced by monthly atmospheric *** significant sea-ice increases are caused by a cooler ocean surface and stronger sea-ice transports owing to the enhanced heat losses and air-ice stresses induced by the atmospheric variability at 6 h?2 d and 2?8 d,while the effects of the variability at 8 d?1 month are rather *** influences of atmospheric variability found here mainly result from wind *** findings in this study indicate the importance of properly resolving high-frequency atmospheric variability in modeling studies.

关键词： high-frequency atmospheric variability momentum fluxes buoyancy fluxes Southern Ocean circula tion Antarctic sea ice MITgcm-ECCO2

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An assessment of Arctic cloud water paths in atmospheric reanalyses

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Acta Oceanologica Sinica 2021年第3期40卷 46-57页

作者： Mingyi Gu zhaomin wang Jianfen Wei Xiaoyong Yu School of Atmospheric Science Nanjing University of Information Science and TechnologyNanjing 210044China College of Oceanography Hohai UniversityNanjing 210098China School of Environmental Science and Engineering Nanjing University of Information Science and TechnologyNanjing 210044China Institute for Climate and Application Research(ICAR) Nanjing University of Information Science and TechnologyNanjing 210044China School of Marine Sciences Nanjing University of Information Science and TechnologyNanjing 210044China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China

The role of Arctic clouds in the recent rapid Arctic warming has attracted much ***,Arctic cloud water paths(CWPs)from reanalysis datasets have not been well *** study evaluated the CWPs as well as LWPs(cloud liquid water paths)and IWPs(cloud ice water paths)from five reanalysis datasets(MERRA-2,MERRA,ERA-Interim,JRA-55,and ERA5)against the COSP(Cloud Feedback Model Intercomparison Project Observations Simulator Package)output for MODIS from the MERRA-2 CSP(COSP satellite simulator)collection(defined as M2Modis in short).Averaged over 1980-2015 and over the Arctic region(north of 60°N),the mean CWPs of these five datasets range from 49.5 g/m^(2)(MERRA)to 82.7 g/m^(2)(ERA-Interim),much smaller than that from M2Modis(140.0 g/m^(2)).However,the spatial distributions of CWPs,show similar patterns among these reanalyses,with relatively small values over Greenland and large values over the North *** with M2Modis,these reanalyses show larger LWPs than IWPs,except for ***,MERRA-2 and MERRA underestimate the ratio of IWPs to CWPs over the entire Arctic,while ERA-Interim and JRA-55 overestimate this ***5 shows the best performance in terms of the ratio of IWPs to *** datasets exhibit larger CWPs and LWPs in summer than in *** M2Modis,IWPs hold seasonal variation similar with LWPs over the land but opposite over the *** the Arctic warming,the trends in LWPs and IWPs during 1980~2015 show that LWPs increase and IWPs decrease across all datasets,although not statistically *** analysis suggests that all datasets have similar interannual *** study further found that the inclusion of re-evaporation processes increases the humidity in the atmosphere over the land and that a more realistic liquid/ice phase can be obtained by independently treating the liquid and ice water contents.

关键词： Arctic clouds cloud water paths(CWPs) reanalysis evaluation

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An evaluation of the Arctic clouds and surface radiative fluxes in CMIP6 models

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Acta Oceanologica Sinica 2021年第1期40卷 85-102页

作者： Jianfen Wei zhaomin wang Mingyi Gu Jing-Jia Luo Yunhe wang School of Environmental Science and Engineering Nanjing University of Information Science and TechnologyNanjing 210044China Institute for Climate and Application Research(ICAR) Nanjing University of Information Science and TechnologyNanjing 210044China College of Oceanography Hohai UniversityNanjing 210098China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China School of Atmospheric Science Nanjing University of Information Science and TechnologyNanjing 210044China Key Laboratory of Meteorological Disaster of Ministry of Education/Joint International Research Laboratory of Climate and Environment Change/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters Nanjing University of Information Science and TechnologyNanjing 210044China CAS Key Laboratory of Marine Geology and Environment Institute of OceanologyChinese Academy of SciencesQingdao 266071China University of Chinese Academy of Sciences Beijing 100049China

To assess the performances of state-of-the-art global climate models on simulating the Arctic clouds and surface radiation balance,the 2001–2014 Arctic Basin surface radiation budget,clouds,and the cloud radiative effects(CREs)in 22 coupled model intercomparison project 6(CMIP6)models are evaluated against satellite *** the results from CMIP6 multi-model mean,cloud fraction(CF)peaks in autumn and is lowest in winter and spring,consistent with that from three satellite observation products(Cloud Sat-CALIPSO,CERESMODIS,and APP-x).Simulated CF also shows consistent spatial patterns with those in ***,almost all models overestimate the CF amount throughout the year when compared to CERES-MODIS and *** average,clouds warm the surface of the Arctic Basin mainly via the longwave(LW)radiation cloud warming effect in *** surface energy loss of LW is less than that in CERES-EBAF observation,while the net surface shortwave(SW)flux is *** biases may result from the stronger cloud LW warming effect and SW cooling effect from the overestimated CF by the *** two biases compensate each other,yielding similar net surface radiation flux between model output(3.0 W/m2)and CERES-EBAF observation(6.1 W/m2).During 2001–2014,significant increasing trend of spring CF is found in the multi-model mean,consistent with previous studies based on surface and satellite *** most of the 22 CMIP6 models show common seasonal cycles of CF and liquid water path/ice water path(LWP/IWP),large inter-model spreads exist in the amounts of CF and LWP/IWP throughout the year,indicating the influences of different cloud parameterization schemes used in different *** Feedback Model Intercomparison Project(CFMIP)observation simulator package(COSP)is a great tool to accurately assess the performance of climate models on simulating *** intuitive and credible evaluation results can be obtained based on the COSP

关键词： Arctic Basin surface radiation budget cloud radiative effect(CRE) CMIP6 models CERES Cloud Sat-CALIPSO APP-x

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