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Research Highlights

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Research Highlights

GRL：Exploring the deep ocean single-frequency microseisms southwest of Japan in northern Philippine Sea

Bin Huang 1, Mei Xue 1,2, Zhen Guo 3,4, and Wenkai Song 1,51State Key Laboratory of Marine Geology, School of Ocean and Earth Science, Tongji University, Shanghai, China.2Shanghai Sheshan National Geophysical Observatory, Shanghai, China. 3College of Civil Engineering, Tongji University, Shanghai, China.4Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai, China.5Now at Department of Earth and Planetary Sciences, The University of

2022-06-17

175
Nature Communications: A global temperature control of silicate weathering intensity

Kai Deng1,2*, Shouye Yang1*, Yulong Guo11 State Key Laboratory of Marine Geology, Tongji University, 200092 Shanghai, China2 Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zürich, Clausiusstrasse 25, 8092 Zürich, SwitzerlandAbstractSilicate weathering as an important negative feedback can regulate the Earth’s climate over time, but much debate concerns its response strength to each climatic factor and its evolution with land surface reorganisation. Such discrepancy ar

2022-04-06

231
Sedimentology: The role of mass-transport complexes (MTCs) in the initiation and evolution of submarine canyons

近日，国际沉积学家协会（IAS）期刊Sedimentology《沉积学》以“The role of mass‐transport complexes in the initiation and evolution of submarine canyons”为题发表了海洋地质国家重点实验室吴南研究员与合作者的研究成果。海底滑坡广泛分布在陆架—陆坡—深海体系中，其搬运过程对海底地层侵蚀能力非常强，因此海底滑坡不仅可以改变陆架形态，还可以携带大量沉积物从陆架地区搬运并沉积至深海盆地。因此，海底滑坡在海洋沉积源汇系统中扮演着重要角色，是深海沉积系统中重要的沉积物之一。然而，以往针对海底滑坡与其他沉积体系相互作用的研究多局限于单一讨论海底滑坡与深海浊流水道、海底滑坡与深海峡谷体系、或海底滑坡与底流之间相互作用关系，缺乏对海底滑坡与浊流—底流—深海峡谷系统之间相互作用机理的整合研究。针对以上问题，该研究在澳大利亚板块东南缘深海Otway Basin中（如图1所示）探讨现代海底滑坡与深海底流、浊流、和峡谷沉积体系之间相互作用机制。图1.研究区地理位置图。研究区陆架—陆坡地区发育众多大型海底滑坡，海底

2022-04-06

198
GRL：Seismic anisotropy within the subducting northern Philippine Sea plate, SW Japan, using DONET seafloor observation network

Y. Liul, M. Xuel3, Z. Guo2, Ailan Zhu31State Key Laboratory of Marine Geology, Tongji University, Shanghai, China,200092.2College of Civil Engineering, Tongii University, Shanghai, China,200092.3Shanghai Sheshan National Geophysical Observatory, Shanghai, China.AbstractAnisotropy within subducted slabs carries important information about the deformation history of the slabs. Seismic waves propagating a long distance within a subducted slab can be utilized to invert for the slab anisotropy. The D

2022-04-06

204
EPSL：Responses of silicate weathering intensity to the Pliocene-Quaternary cooling in East and Southeast Asia

FangliangLiabShouyeYangaDaniel O.BreeckerbEvan J.Ramosb XiangtongHuangaZongqiDuancdYulongGuoaChaoLiaXiMeieaState Key Laboratory of Marine Geology, Tongji University, Shanghai, ChinabDepartment of Geological Sciences, University of Texas at Austin, Austin, TX, USAcInstitute of Geographic Sciences and Natural Resources Research, Beijing, ChinadGeographical Society of China, Beijing, ChinaeQingdao Institute of Marine Geology, Qingdao, ChinaAbstractSilicate weathering plays a key role in maintaining

2022-04-02

178
JGR-Oceans：A Mesoscale Eddy With Submesoscale Spiral Bands Observed From Seismic Reflection Sections in the Northwind Basin, Arctic Ocean

Shun Yang1, Haibin Song1, *, Bernard Coakley2, Kun Zhang1, Wenhao Fan11School of Ocean and Earth Science, Tongji University, Shanghai, China2Geophysical Institute, University of Alaska, Fairbanks, AK, USAAbstractThe Arctic Ocean is well-known for its large number of mesoscale eddies. We observed a lens-shaped mesoscale eddy by using two roughly perpendicular multichannel reflection seismic sections collected in the Northwind Basin, Arctic Ocean in late September 2011. This is the first seismic i

2022-04-02

152
JGR-Biogeosciences：Coccolithophore Abundance, Degree of Calcification, and Their Contribution to Particulate Inorganic Carbon in the South China Sea

Xiaobo Jin1, Chuanlian Liu1, Juan Xu1, and Xianghui Guo21 State Key Laboratory of Marine Geology, Tongji University, Shanghai, China, 2State Key Laboratory of MarineEnvironmental Science, Xiamen University, Xiamen, ChinaAbstractParticulate inorganic carbon (PIC) production and export to deep ocean are important processes in water column carbonate cycling. Biochemistry investigations have shown that the seawater PIC in eutrophic high-latitude waters is contributed by marine calcifying algae cocco

2022-04-01

176
Stagnation and tearing of the subducting northwest Pacific slab

Muchen Sun1, Youqiang Yu1*, Stephen S. Gao2and Kelly H. Liu21State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China. Email: yuyouqiang@tongji.edu.cn2Geology and Geophysics Program, Missouri University of Science and Technology, Rolla, MO 65409, USAAbstract:Despite numerous observational and geodynamic modeling studies, the presence of the northwest Pacific slab tear and its influence on mantle dynamics remain controversial. By imaging the mantle transition zone (MTZ) d

2022-03-10

132
GRL：Continental break-up under a convergent setting: Insights from P wave radial anisotropy tomography of the Woodlark Rift in Papua New Guinea

Youqiang Yu1，2，4*, Frederik Tilmann2，5, Dapeng Zhao3, Stephen S. Gao4, Kelly H. Liu41State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China2GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany3Department of Geophysics, Graduate School of Science, Tohoku University, Sendai 980-8578,Japan4Geology and Geophysics Program, Missouri University of Science and Technology, Rolla, Missouri 65409, USA5Institute for Geological Sciences, Freie Universi

2022-03-09

131
EPSL：Diking of various slab melts beneath forearc spreading center and age constraints of the subducted slab

Mengming Yu a, b,*, Graciano P. Yumul Jr c, Yildirim Dilek d, Yi Yan b, Chi-Yue Huang a, *a State Key Laboratory of Marine Geology, Tongji University, Shanghai, 200092, Chinab Key Laboratory of Ocean and Marginal Sea Geology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, Chinac Cordillera Exploration Company Incorporated, NAC Tower, Bonifacio Global City, Taguig, Metro Manila 1634, Philippinesd Department of Geology Environmental Earth Science, Miami Unive

2022-01-28

98
Science Bulletin : Potential paleoceanographic application of cold-water bamboo coral in the south china sea

Zhiwei Zenga, Haowen Danga *, Enqing Huanga, Xiaolin Mab, Xiangtong Huanga, Le Konga, Ce Yanga, Xiaoli Quc, Liping Zhoud, Zhimin Jianaa State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China b State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China c State Key Laboratory for Manufacturing System Engineering, Xi’an Jiaotong University, Xi’an 710049, China d Laboratory for Earth Surface Proces

2021-11-18

101
GPL: Decoupling of dissolved and particulate Li isotopes during estuarine processes

Chengfan Yang a, b, Nathalie Vigier b, Ergang Lian a, Zheng Lai a, Shouye Yang a*a State Key Laboratory of Marine Geology, Tongji University, 1239 Siping Road, Shanghai 200092, PR Chinab Oceanography Laboratory of Villefranche (LOV), CNRS, Sorbonne University, 06230 Villefranche-sur-Mer, France Abstract：Lithium isotopes in marine authigenic or detrital sedimentary archives have been recently used to trace continental weathering over geologic timescales. However, interpretations are predominantly

2021-11-08

102
Chemical Geology：Plagioclase-regulated hydrothermal alteration of basaltic rocks with implications for the South China Sea rifting

Jiawang Wu *,1, Zhifei Liu *, Xun YuState Key Laboratory of Marine Geology, School of Ocean and Earth Science, Tongji University, Siping 1239, 200092 Shanghai, China Abstract：IODP Hole U1502B penetrates 180 m into the crystalline basement generated at a rifting margin of the South China Sea (SCS), which is the first confirmed intermediate-type margin between the magma-rich and –poor endmembers. The recovered lavas show petrographic characteristics of mid-ocean ridge basalt (MORB), but suffered p

2021-11-05

98
EPSL：Radiogenic and stable Sr isotopes constrain weathering processes in rapidly eroding Taiwan catchments

Ni Sua， Shouye Yanga， Kai Denga， Yuan-Pin Changb， Juan Xua， Zhouyang WuaaState Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, ChinabInstitute of Marine Geology and Chemistry, National Sun Yat-sen University, Kaohsiung, TaiwanAbstractSmall mountainous rivers (SMRs) in subtropical Taiwan supply a disproportionately large quantities of suspended and dissolved flux to the ocean due to extraordinarily high denudation rates in the world. We present major elements, 87Sr/86Sr, and

2021-11-04

91

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