SEDIMENT

作品数：1332被引量：3851H指数：22
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Spatiotemporal distribution and diversity of microplastics in the sediment of beaches in Xiamen City,China
《Journal of Oceanology and Limnology》2025年第2期396-405,共10页Fengrun WU Xueyan LI Chengyi ZHANG Tao WANG 
Supported by the Natural Science Foundation of Fujian Province(No.2022J05278);the Marine and Fishery Development Special Fund of Xiamen(No.23YYST064QCB36)。
Coastal ecosystems are plagued by high levels of microplastic pollution.Conducting baseline surveys is crucial to comprehend the distribution and influencing factors of this pollution.The present study investigates th...
关键词：microplastic pollution coastal beaches spatiotemporal variation DIVERSITY 
Vertical distribution of microplastics in coastal sediments of Xuwen Coral Reef National Nature Reserve,China
《Journal of Oceanology and Limnology》2025年第2期422-432,共11页Mayakrishnan MACHENDIRANATHAN Guangzhe JIN Huaxia HUANG Tingbang LIANG Zongxuan LIN Huiying LIN Lingling XIE Fajin CHEN 
Supported by the Southern Marine Science and Engineering Guangdong Laboratory、Zhanjiang(No.ZJW-2019-08);APN、CRRP2019-09MYOnodera、Shinichi Onodera、and the SCS Scholar Grant(No.002029002008/2019)。
Plastic pollution and microplastics in sediments are a growing concern for marine ecosystems worldwide.We examined the vertical distribution and properties of microplastics in beach sediments of Xuwen Coral Reef Natio...
关键词：coral beach vertical distribution microplastic SEDIMENT Xuwen 
Interlinked water and sediment microplastics in the Laizhou Bay of China
《Journal of Oceanology and Limnology》2025年第2期446-458,共13页Hong CHEN Fenghua JIANG Jingxi LI Wei CAO Di ZHANG Futao ZHANG Shiliang WANG Chengjun SUN 
the Laoshan Laboratory(No.LSKJ202203901);the Natural Science Foundation of Shandong Province,China(No.ZR2021MD079);the APEC Cooperation Fund(No.WJ1323001);the Asian Cooperation Fund(Nos.WJ1223001,WJ0923015)。
To explore the relationship of microplastic pollution in different media in marine environment,microplastics in the surface seawater and sediments of Laizhou Bay,Bohai Sea,North China,were studied.Seawater samples wer...
关键词：microplastic Laizhou Bay SEDIMENT seawater CORRELATION 
Efficiency and mechanism of controlling phosphorus release from sediment using a biological aluminum-based P-inactivation agent
《Journal of Environmental Sciences》2025年第4期594-603,共10页Changxiong Chen Fei Li Chunhua Shen Xueping Tang Mazhan Zhuang Zhenming Zhou Denghong Wang 
supported by the National Natural Science Foundation of China(No.51878300);the National Natural Science Foundation of Xiamen City(No.3502Z202373041);the Water Conservancy Science and Technology Plan Project(No.RC2127).
Eutrophication is a significant challenge for surface water,with sediment phosphorus(P)release being a key contributor.Although biological aluminum-based P-inactivation agent(BA-PIA)has shown effectiveness in controll...
关键词：Biological aluminum-based p-inactivation agent Active capping SEDIMENT Phosphorus release 
Distributions and risk assessment of heavy metals in solid waste in lead-zinc mining areas and across the soil, water body, sediment and agricultural product ecosystem in their surrounding areas
《China Geology》2025年第1期92-106,共15页Zhi-qiang Wu Hai-ying Li Liu-yan Lü Guo-jun Liang Ting-ting Wu Jiang-xia Zhu 
To identify the root causes of heavy metal contamination in soils as well as prevent and control such contamination from its sources,this study explored the accumulation patterns and ecological risks of heavy metals l...
关键词：Lead-zinc mining area Solid waste SOIL Water body SEDIMENT Agricultural product Nemerow composite index Cd Pb Ni Cr elements Heavy metal contamination Ecological risk assessment Coefficients of variation(CVs) Environmental restoration engineering 
Spatial distribution and transport characteristics of river and sediment pollen in the middle and lower reaches of the Yellow River
《Journal of Geographical Sciences》2025年第3期552-576,共25页LIU Dexin PAN Yanfang HE Xueli WU Pengfei MA Jianhua GU Lei 
National Natural Science Foundation of China,No.41907382;China Postdoctoral Science Foundation,No.2019M652520;Henan Postdoctoral Science Foundation,No.201902025。
This paper selects sampling sections for the mainstream and tributaries of the middle and lower reaches of the Yellow River,collects river water and sediment samples during the flood season for pollen analysis,and use...
关键词：river pollen sediment pollen spatial distribution transmission mechanism middle and lower reaches of the Yellow River 
Study on Sediment Removal Method of Reservoir Based on Double Branch Convolution
《Computers, Materials & Continua》2025年第2期2951-2967,共17页Hailong Wang Junchao Shi Xinjie Li 
NationalNatural Science Foundation of China(U2243236,51879115,U2243215),Recipients of funds:Xinjie Li,URL:https://www.nsfc.gov.cn/(accessed on 25 November 2024).
In response to the limitations and low computational efficiency of one-dimensional water and sediment models in representing complex hydrological conditions, this paper proposes a dual branch convolution method based ...
关键词：Prediction of reservoir sediment discharge double-branch convolution double prediction head deep learning 
Assessing the impact of climate change on dissolved oxygen using a flow field ecosystem model that takes into account the anaerobic and aerobic environment of bottom sediments
《Acta Geochimica》2025年第1期11-22,共12页Jinichi Koue 
Open Access funding provided by Kobe University;This research was partially performed by the Environment Research and Technology Development Fund(2RL-2301)of the Environmental Restoration and Conservation Agency provided by Ministry of the Environment of Japan.
This study examines the potential impacts o climate change on Lake Biwa,Japan’s largest freshwate lake,with a focus on temperature,wind speed,and pre cipitation variations.Leveraging data from the IPCC Sixth Assessme...
关键词：Climate change Dissolved oxygen Sediment redox reaction Stratifi cation Water quality 
In-situ Technologies for Controlling Sediment Phosphorus in Eutrophic Shallow Lakes:A Review
《Journal of Earth Science》2025年第1期113-133,共21页Zisen Liu Yi Zhang Qiaohong Zhou Zhenbin Wu Yanxin Wang 
financially supported by the National Natural Science Foundation of China(Nos.32201384,31830013,U20A2010)。
Phosphorus(P)is the main limiting factor in eutrophication.Sediment P can be released decades after its accumulation.Lake restoration requires the reduction of internal sediment P loading.Although we tried to provide ...
关键词：EUTROPHICATION SEDIMENT endogenous phosphorus in-situ control lake restoration 
Curvularin derivatives from hydrothermal vent sediment fungus Penicillium sp.HL-50 guided by molecular networking and their antiinflammatory activity
《Chinese Journal of Natural Medicines》2025年第1期119-128,共10页Chunxue Yu Zixuan Xia Zhipeng Xu Xiyang Tang Wenjuan Ding Jihua Wei Danmei Tian Bin Wu Jinshan Tang 
funded by the National Key Research and Development Program of China(No.2022YFC2804101);the Guangdong Provincial Key R&D Program(No.2023B1111050011);the Guangdong Basic and Applied Basic Research Foundation(No.2023A1515010432);the Guangzhou Basic and Applied Basic Research Foundation(No.202201010305);the High-Level Talents Special Program of Zhejiang(No.2022R52036)。
Guided by molecular networking,nine novel curvularin derivatives(1-9)and 16 known analogs(10-25)were isolated from the hydrothermal vent sediment fungus Penicillium sp.HL-50.Notably,compounds 5-7 represented a hybrid ...
关键词：Penicillium sp.HL-50 Curvularin derivatives Molecular networking Anti-inflammatory activity 
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