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Organic carbon mineralization pathways in the muddy sediments of the South Yellow Sea: Insights from steady-state modeling of porewater
期刊论文
APPLIED GEOCHEMISTRY, 2022, 卷号: 138, 页码: 12
作者:
Ren, Jian-Hua
;
Zhu, Mao-Xu
;
Wang, De-Yan
;
Tan, Ting-Ting
;
Li, Tie
;
Zhao, Miao
;
Pan, Da-Wei
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浏览/下载:213/0
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提交时间:2022/07/26
China marginal Seas
Organic carbon
Marine sediments
Diagenetic modeling
Mineralization pathways
Mineralization rate
Potential source contributions and risk assessment of PAHs in sediments from the tail-reaches of the Yellow River Estuary, China: PCA model, PMF model, and mean ERM quotient analysis
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2020, 卷号: 27, 期号: 9 SI, 页码: 9780-9789
作者:
Wang, Chuanyuan
;
Zou, Yanmei
;
Yu, Liangju
;
Lv, Yingchun
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Adobe PDF(676Kb)
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浏览/下载:541/268
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提交时间:2020/07/08
POLYCYCLIC AROMATIC-HYDROCARBONS
POSITIVE MATRIX FACTORIZATION
SOURCE APPORTIONMENT
SURFACE SEDIMENTS
MARINE-SEDIMENTS
MANGROVE
RECORD
BASIN
Redox-dependent phosphorus burial and regeneration in an offshore sulfidic sediment core in North Yellow Sea, China
期刊论文
MARINE POLLUTION BULLETIN, 2019, 卷号: 149, 页码: UNSP 110582
作者:
Zhao, GQ
;
Sheng, YQ
;
Jiang, M
;
Yin, XL
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Adobe PDF(1244Kb)
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浏览/下载:584/299
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提交时间:2020/07/08
P sequential extraction
P-31 NMR
Sulfide
Redox
Marine sediments
黄海桑沟湾水体及沉积物中微塑料污染特征研究
期刊论文
海洋环境科学, 2019, 卷号: 38, 期号: 2, 页码: 198-204
作者:
熊宽旭
;
赵新月
;
周倩
;
付传城
;
涂晨
;
李连祯
;
骆永明
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浏览/下载:364/0
  |  
提交时间:2020/06/17
桑沟湾
微塑料
潮滩
丰度
空间分布
Sanggou bay
microplastics
tidal flats
abundance
spatial distribution
In recent years,research on microplastics pollution in the marine environment has been increasing,but studies on microplastics in water bodies and sediments of the bay under the influence of high-intensity human activities are still rarely reported. In this study,the pollution characteristics of microplastics in the wayer and sediments of Sanggou bay were investigated in December 2017,after the harvest of large-scale aquaculture,with the aim to study the effects of aquaculture activities and hydrodynamics on pollution characteristics and spatial distribution of microplastics in the bay. The results showed that the types of microplastics in the water and sediments of Sanggou bay were mainly fibers,fragments,films,foams and particles. The microplastic abundances in the water and sediments were 1.8 ~ 31.2 N/L,31.2 ~ 1246.8 N/kg,respectively. The average particle sizes of microplastics in water and sediments were 0.51 0.20 mm and 1.54 1.02 mm,respectively. The results of spatial distribution of microplastics in Sanggou bay showed that the high abundance area mainly appears in the inshore waters,and the abundance of microplastics tends to decrease from the inner areas of estuary to the outshore areas. The heterogeneity of microplastic abundance and spatial distribution in Sanggou bay is mainly affected by human activities such as aquaculture,living and shipping,as well as hydrodynamics. In the future,fine sampling and analysis are needed to fully understand the temporal and spatial distribution of microplastics pollution in the bay areas.
In situ microbial remediation of crude oil-soaked marine sediments using zeolite carrier with a polymer coating
期刊论文
MARINE POLLUTION BULLETIN, 2018, 卷号: 129, 期号: 1, 页码: 172-178
作者:
Zhao, Guoqiang
;
Sheng, Yanqing
;
Wang, Chuanyuan
;
Yang, Jian
;
Wang, Qiaoning
;
Chen, Lingxin
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Adobe PDF(1054Kb)
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浏览/下载:605/322
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提交时间:2020/07/08
Poly-gamma glutamic acid
Zeolite
Bacterial agents
Oil bioremediation
Marine sediments
Environmental occurrence and distribution of organic UV stabilizers and UV filters in the sediment of Chinese Bohai and Yellow Seas
期刊论文
ENVIRONMENTAL POLLUTION, 2018, 卷号: 235, 页码: 85-94
作者:
Apel, Christina
;
Tang, Jianhui
;
Ebinghaus, Ralf
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Adobe PDF(1041Kb)
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浏览/下载:718/412
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提交时间:2020/07/08
UV stabilizers
UV filters
Benzotriazole derivatives
Marine sediments
Bohai sea
Yellow sea
烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系
期刊论文
海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97
作者:
姜明
;
赵国强
;
李兆冉
;
盛彦清
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Adobe PDF(1528Kb)
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浏览/下载:614/263
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提交时间:2020/07/08
还原性无机硫
活性铁
深层柱状沉积物
硫化度
矿化度
Reduced inorganic sulfur
Reactive iron
Deep core sediments
Degree of pyritization
Degree of sulfidity
The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer
reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.
Transport of microplastics in coastal seas
期刊论文
ESTUARINE COASTAL AND SHELF SCIENCE, 2017, 卷号: 199, 页码: 74-86
作者:
Zhang, H
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Adobe PDF(970Kb)
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浏览/下载:1450/1113
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提交时间:2020/07/08
Marine plastic debris
Coastal transport
Marine sediments
Particle transport
Turbulent mixing
Hydrodynamics
Geochemical evidence of the indirect pathway of terrestrial particulate material transport to the Okinawa Trough
期刊论文
QUATERNARY INTERNATIONAL, 2017, 卷号: 441, 期号: A, 页码: 51-61
作者:
Chen, Chen-Tung Arthur
;
Kandasamy, Selvaraj
;
Chang, Yuan-Pin
;
Bai, Yan
;
He, Xianqiang
;
Lu, Jung-Tai
;
Gao, Xuelu
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  |  
浏览/下载:345/0
  |  
提交时间:2017/09/05
Marine Sediments
East China Sea
Okinawa Trough
Typhoons
Biomarkers
微生物降解芘过程中的关键细菌
期刊论文
微生物学报, 2017, 卷号: 57, 期号: 6, 页码: 856-866
作者:
王斌
;
陈庆彩
;
胡晓珂
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  |  
浏览/下载:172/0
  |  
提交时间:2020/07/07
pyrene
marine sediments
microbial communities
microbial ecological network
key bacteria
芘
海洋沉积物
细菌群落结构
微生物生态网络
关键细菌