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52 条 记 录,以下是 1-30

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Quantification of the Seasonal Intrusion of Water Masses and Their Impact on Nutrients in the Beibu Gulf Using Dual Water Isotopes
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANSLao, Qibin Zhang, Shuwen Li, Zhiyang Chen, Fajin Zhou, Xin Jin, Guangzhe Huang, Peng Deng, Ziyun Chen, Chunqing Zhu, Qingmei Lu, Xuan  出版年:2022
A new data set of seasonal stable water isotopes (delta D and delta O-18) and temperature-salinity profiles was applied to improve our understanding of water mass distributions and their impact on the environment of the ...
Seasonal variations of nitrate dual isotopes in wet deposition in a tropical city in China
ATMOSPHERIC ENVIRONMENTChen, Fajin Lao, Qibin Jia, Guodong Chen, Chunqing Zhu, Qingmei Zhou, Xin  出版年:2019
Monthly analytical results for more than two years long of delta N-15 and delta O-15 of nitrate in wet deposition are reported for a tropical city of Zhanjiang in the southernmost mainland China, in an effort to elucidat...
Isotopic evidence for the shift of nitrate sources and active biological transformation on the western coast of Guangdong Province, South China
MARINE POLLUTION BULLETINLao, Qibin Chen, Fajin Liu, Guoqiang Chen, Chunqing Jin, Guangzhe Zhu, Qingmei Wei, Chunlei Zhang, Chunhua  出版年:2019
Dual isotope nitrate (NO3-) analysis was performed on the western coast of Guangdong Province to investigate seasonal changes in the main nitrate sources and their biogeochemical processing, which are due to the rapid de...
External Dynamic Mechanisms Controlling the Periodic Offshore Blooms in Beibu Gulf
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANSLao, Qibin Liu, Sihai Ling, Zheng Jin, Guangzhe Chen, Fajin Chen, Chunqing Zhu, Qingmei  出版年:2023
Since offshore waters are less affected by human activities and nutrient-rich water masses, existing theories on periodic offshore blooms (POB) consider that the POB is proportional to the intensity of ocean fronts (nutr...
Increasing intrusion of high salinity water alters the mariculture activities in Zhanjiang Bay during the past two decades identified by dual water isotopes
JOURNAL OF ENVIRONMENTAL MANAGEMENTLao, Qibin Wu, Junhui Chen, Fajin Zhou, Xin Li, Zhiyang Chen, Chunqing Zhu, Qingmei Deng, Ziyun Li, Jiacheng  出版年:2022
The decrease of river runoff caused by the intensified human activities (e.g. artificial dams) and increasing intrusion of high salinity water in the coastal bays have become a worldwide environmental problem. However, t...
Typhoon Control of Precipitation Dual Isotopes in Southern China and Its Palaeoenvironmental Implications
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERESChen, Fajin Huang, Chao Lao, Qibin Zhang, Shuwen Chen, Chunqing Zhou, Xin Lu, Xuan Zhu, Qingmei  出版年:2021
High-resolution stalagmite oxygen isotope (delta O-18) records are widely employed in palaeoclimate studies as indicators of East Asian Monsoon intensity in southern China. A key issue is whether the East Asian Monsoon o...
Carbon and nitrogen isotopic composition of particulate organic matter in the Pearl River Estuary and the adjacent shelf
ESTUARINE COASTAL AND SHELF SCIENCEHuang, Chao Chen, Fajin Zhang, Shuwen Chen, Chunqing Meng, Yafei Zhu, Qingmei Song, Zhiguang  出版年:2020
The isotopic composition (delta C-13 and delta N-15), organic carbon and nitrogen contents and C/N ratios of suspended particulate organic matter (POM) collected from the Pearl River Estuary and the adjacent shelf during...
Characteristics and Mechanisms of Typhoon-Induced Decomposition of Organic Matter and Its Implication for Climate Change
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCESLao, Qibin Chen, Fajin Jin, Guangzhe Lu, Xuan Chen, Chunqing Zhou, Xin Zhu, Qingmei  出版年:2023
We recently reported that decomposition (as a carbon source) of organic matter (OM) is the dominant process in coastal waters after typhoons, which is contrary to phytoplankton blooms (as a carbon sink) in previous studi...
Spatial and Seasonal Variations of Sedimentary Organic Matter in a Subtropical Bay: Implication for Human Interventions
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTHLu, Xuan Zhou, Fengxia Chen, Fajin Lao, Qibin Zhu, Qingmei Meng, Yafei Chen, Chunqing  出版年:2020
Elemental (total organic carbon (TOC) and total nitrogen (TN)) and stable carbon and nitrogen isotope compositions (delta C-13 and delta N-15, respectively) in the surface sediment of Zhanjiang Bay (ZJB) in spring and su...
Effects of upwelling and runoff on water mass mixing and nutrient supply induced by typhoons: Insight from dual water isotopes tracing
LIMNOLOGY AND OCEANOGRAPHYLao, Qibin Lu, Xuan Chen, Fajin Jin, Guangzhe Chen, Chunqing Zhou, Xin Zhu, Qingmei  出版年:2023
The issue of whether the increase in nutrients is supplied by increasing runoff or by enhancing upwelling in coastal marine ecosystems after a typhoon is considered controversial. This is because it is relatively difficu...
Effects of Typhoon Mujigae on the Biogeochemistry and Ecology of a Semi-Enclosed Bay in the Northern South China Sea
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCESZhou, Xin Jin, Guangzhe Li, Jiacheng Song, Zhiguang Zhang, Shuwen Chen, Chunqing Huang, Chao Chen, Fajin Zhu, Qingmei Meng, Yafei  出版年:2021
Typhoons frequently induce algal blooms in the open ocean based on the satellite remote sensing data. However, the effects of typhoons on nearshore areas are not fully clarified due to the inaccessibility of in situ samp...
Carbon and nitrogen isotopic compositions of particulate organic matter in the upwelling zone off the east coast of Hainan Island, China
MARINE POLLUTION BULLETINLu, Xuan Huang, Chao Chen, Fajin Zhang, Shuwen Lao, Qibin Chen, Chunqing Wu, Junhui Jin, Guangzhe Zhu, Qingmei  出版年:2021
The isotopic compositions (613C and 615N) and C/N ratios of suspended particulate organic matter (POM) were investigated off the east coast of Hainan Island in the South China Sea during summer. Coastal upwelling influen...
Coastal currents regulate the distribution of the particulate organic matter in western Guangdong offshore waters as evidenced by carbon and nitrogen isotopes
MARINE POLLUTION BULLETINChen, Fajin Lu, Xuan Song, Zhiguang Huang, Chao Jin, Guangzhe Chen, Chunqing Zhou, Xin Lao, Qibin Zhu, Qingmei  出版年:2021
The 813C, 815N and C/N ratio of the particulate organic matter (POM) in western Guangdong waters were determined to evaluate the impacts of the coastal currents on the POM in spring and summer. The predominance of photos...
Dual isotopic evidence for nitrate sources and active biological transformation in the Northern South China Sea in summer
PLOS ONEChen, Fajin Zhou, Xin Lao, Qibin Wang, Shuangling Jin, Guangzhe Chen, Chunqing Zhu, Qingmei  出版年:2019
Nitrate (NO3-) concentrations and their dual isotopic compositions (delta N-15-NO3- and delta O-18-NO3- ) were measured to constrain N sources and their cyclic processes in summer using samples from the water column of t...
Biological Impact of Typhoon Wipha in the Coastal Area of Western Guangdong: A Comparative Field Observation Perspective
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCESLu, Xuan Zhou, Xin Jin, Guangzhe Chen, Fajin Zhang, Shuwen Li, Zhiyang Chen, Chunqing Zhu, Qingmei Lao, Qibin  出版年:2022
The impact of typhoons on the ecology of the ocean has been observed using high-accuracy satellite remote sensing data. However, few field observations in the ocean have been conducted to understand the effect of typhoon...
Nitrate sources and biogeochemical processes identified using nitrogen and oxygen isotopes on the eastern coast of Hainan Island
CONTINENTAL SHELF RESEARCHChen, Fajin Lao, Qibin Zhang, Shuwen Bian, Peiwang Jin, Guangzhe Zhu, Qingmei Chen, Chunqing  出版年:2020
The multiple and complex N sources in coastal upwelling areas make it difficult to understand the behaviour of the N cycle. Stable N and O isotopes (delta N-15 and delta O-18) of nitrate (NO3-) from coastal upwelling off...
A comparative study on source of water masses and nutrient supply in Zhanjiang Bay during the normal summer, rainstorm, and typhoon periods: Insights from dual water isotopes
SCIENCE OF THE TOTAL ENVIRONMENTLao, Qibin Lu, Xuan Chen, Fajin Chen, Chunqing Jin, Guangzhe Zhu, Qingmei  出版年:2023
Typhoons and rainstorms (rainfall >250 mm day(- 1)) are extreme weather events that seriously impact coastal oceanography and biogeochemical cycles. However, changes in the mixing of water masses and nutrient supply indu...
Nitrogen Cycling Across a Salinity Gradient From the Pearl River Estuary to Offshore: Insight From Nitrate Dual Isotopes
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCESChen, Fajin Deng, Ziyun Lao, Qibin Bian, Peiwang Jin, Guangzhe Zhu, Qingmei Zhou, Xin Chen, Chunqing  出版年:2022
Dual isotope measurements were performed on nitrate (delta N-15-NO3- and delta O-18-NO3-) in the Pearl River Estuary (PRE) and the adjacent northern South China Sea (NSCS) to investigate nitrate sources and its biogeoche...
Assessing Seasonal Nitrate Contamination by Nitrate Dual Isotopes in a Monsoon-Controlled Bay with Intensive Human Activities in South China
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTHLi, Jiacheng Cao, Ruixue Lao, Qibin Chen, Fajin Chen, Chunqing Zhou, Xin Meng, Yafei Zhu, Qingmei  出版年:2020
Nitrate (NO3-) dual isotope analysis was performed in Zhanjiang Bay, which is a closed bay with intensive human activities in South China, to investigate seasonal changes in the main NO3- sources and their biogeochemical...
Spatiotemporal Distribution Characteristics of Nutrients in the Drowned Tidal Inlet under the Influence of Tides: A Case Study of Zhanjiang Bay, China
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTHWang, Shuangling Zhou, Fengxia Chen, Fajin Meng, Yafei Zhu, Qingmei  出版年:2021
The tidal dynamics and the characteristics of pollutant migration in the drowned-valley tidal inlet, a typical unit of coastal tidal inlets, are strongly influenced by geomorphological features. Along with the developmen...
Contaminant Characteristics and Influencing Factors of Heavy Metals in Seawater and Sediments in a Typical Mariculture Bay in South China
FRONTIERS IN MARINE SCIENCELao, Qibin Cai, Shangjun Huang, Peng Chen, Fajin Su, Qizhong Lei, Xuetie Zhou, Xin Chen, Chunqing Zhu, Qingmei Lu, Xuan Liu, Guoqiang  出版年:2022
Heavy metal pollution in the mariculture areas is of considerable attention due to its potential ecological effects and public concern for seafood safety. A better understanding of the current contamination status and hi...
Increasing eutrophication driven by the increase of phosphate discharge in a subtropical bay in the past 30 years
FRONTIERS IN MARINE SCIENCEHe, Guirong Lao, Qibin Jin, Guangzhe Zhu, Qingmei Chen, Fajin  出版年:2023
Although great efforts have been made to decrease nutrient (notably nitrogen and phosphorus) loads and lighten related environmental damages, coastal eutrophication remains a persistent environmental crisis. To estimate ...
Spatial-Monthly Variations and Influencing Factors of Dissolved Oxygen in Surface Water of Zhanjiang Bay, China
JOURNAL OF MARINE SCIENCE AND ENGINEERINGZhou, Fengxia Lu, Xuan Chen, Fajin Zhu, Qingmei Meng, Yafei Chen, Chunqing Lao, Qibin Zhang, Shuwen  出版年:2020
Dissolved oxygen (DO) is one of the most important factors for maintaining a healthy marine ecosystem. The information of DO in large estuaries or bays with large entrances has been widely studied, while it is relatively...
Sources of nitrate in a heavily nitrogen pollution bay in Beibu Gulf, as identified using stable isotopes
FRONTIERS IN MARINE SCIENCECai, Shangjun Lao, Qibin Jin, Guangzhe Chen, Chunqing Zhou, Xin Zhu, Qingmei Lu, Xuan  出版年:2022
Eutrophication, mainly caused by the oversupply of inorganic nitrogen and phosphate, has increased and become a serious environmental problem in the coastal bays of Beibu Gulf, a newly developing industry and port in Sou...
Distribution and Sources of Particulate Organic Matter in the Northern South China Sea: Implications of Human Activity
JOURNAL OF OCEAN UNIVERSITY OF CHINAHuang Chao Lao Qibin Chen Fajin Zhang Shuwen Chen Chunqing Bian Peiwang Zhu Qingmei  出版年:2021
In order to understand origin and fate of particulate organic matter, the isotopic composition (delta C-13 and delta N-15), total organic carbon content, total nitrogen content, and C/N ratios were measured for suspended...
关键词:particulate organic matter  stable isotope  C/N ratio  isotope mixing model  South China Sea  被引量:13
Comparative Study of Nitrogen Cycling Between a Bay With Riverine Input and a Bay Without Riverine Input, Inferred From Stable Isotopes
FRONTIERS IN MARINE SCIENCEChen, Chunqing Lao, Qibin Shen, Youli Jin, Guangzhe Chen, Fajin Su, Qizhong Lei, Xuetie Zhou, Xin Lu, Xuan Zhu, Qingmei Liu, Guoqiang  出版年:2022
The eutrophication degree in the coastal bay has been increasing significantly for the past years, due to the increasing nutrient discharge. However, the factors controlling sources and nitrogen (N) cycling in the differ...
Monthly Variations of the Nitrogen Isotope of Ammonium in Wet Deposition in a Tropical City of South China
AEROSOL AND AIR QUALITY RESEARCHChen, Fajin Lao, Qibin Li, Zhiyang Bian, Peiwang Zhu, Qingmei Chen, Chunqing Song, Zhiguang  出版年:2020
Nitrogen isotope of ammonium (delta N-15-NH4+) in the wet deposition in Zhanjiang, a typical tropical city in the southernmost region of mainland China, were analyzed from October 2015 to November 2018 in order to examin...
Nitrate sources and formation in aerosol and precipitation in a tropical city in South China: Insight from nitrate dual isotopes
ATMOSPHERIC ENVIRONMENTLuo, Huijie Lao, Qibin Chen, Fajin Chen, Chunqing Zhou, Xin Jin, Guangzhe Zhu, Qingmei Lu, Xuan  出版年:2022
Nitrate dual isotopes (delta N-15-NO3- and delta O-18-NO3- ) and NO3- concentration were measured in aerosol and precipitation in Zhanjiang, a tropical city in the southmost tip of mainland China, between November 2018 a...
Using Stable Isotopes (δ<SUP>18</SUP>O and δD) to Study the Dynamics of Upwelling and Other Oceanic Processes in Northwestern South China Sea
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANSZhou, Fengxia Wu, Junhui Chen, Fajin Chen, Chunqing Zhu, Qingmei Lao, Qibin Zhou, Xin Lu, Xuan  出版年:2022
Few systematic investigations use isotopic compositions (delta O-18 and delta D) of seawater together with water temperature and salinity to trace the water dynamic processes in the upwelling area. This study presents de...
Tracks of typhoon movement (left and right sides) control marine dynamics and eco-environment in the coastal bays after typhoons: A case study in Zhanjiang Bay
SCIENCE OF THE TOTAL ENVIRONMENTChen, Chunqing Lao, Qibin Zhou, Xin Jin, Guangzhe Zhu, Qingmei Chen, Fajin  出版年:2024
Coastal oceans are highly responsive to typhoons, making them one of the most affected regions. However, our understanding of the impact of typhoon intensity and movement path on marine dynamic processes and eco-environm...
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