Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis

Rivers are critical conduits of transporting and transforming carbon from land to coastal margins. Accurate estimates of the riverine carbon fluxes (RCFs) are crucial in assessing global carbon budget. Recently, a growing number of research has been conducted in this field. However, there still lack...

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Main Authors: Wei Fang, Mohd Remy Rozainy Mohd Arif Zainol, Xianbao Zha, Pingping Luo
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Ecological Indicators
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Online Access:http://www.sciencedirect.com/science/article/pii/S1470160X24014420
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author Wei Fang
Mohd Remy Rozainy Mohd Arif Zainol
Xianbao Zha
Pingping Luo
author_facet Wei Fang
Mohd Remy Rozainy Mohd Arif Zainol
Xianbao Zha
Pingping Luo
author_sort Wei Fang
collection DOAJ
description Rivers are critical conduits of transporting and transforming carbon from land to coastal margins. Accurate estimates of the riverine carbon fluxes (RCFs) are crucial in assessing global carbon budget. Recently, a growing number of research has been conducted in this field. However, there still lacks a systematic analysis concerning the emerging, development, current status, and future trends of RCFs in existing studies. To identify the major characteristics and evolution of the research on RCFs, this study adopts a bibliometric method to analyze the publications retrieved from Web of Science during 1997–2023. The information related to journals, collaboration, keywords, and research evolution is statistically analyzed and scientifically visualized through R studio, VOSviewer, and CiteSpace. Findings indicate that a total of 1,592 documents from 368 different journals related to RCFs have been published by 7,035 researchers affiliated with 2,019 institutes from 95 countries. Research on RCFs has sharply increased since 2009, with an average annual publication number of 115. Around 45% of the total publications are attributed to the research categories of Environmental Science, and the most productive journal, country, institute, and author are Science of the Total Environment, the USA, Chinese Academy of Sciences, and Worral from Durham University, respectively. The analysis of keywords demonstrates that current study on RCFs mainly focus on monitoring the fluxes of multiple forms of carbon in the fluvial systems, modeling the fluxes of riverine carbon at larger scales, elaborating the complex biogeochemical processes of riverine carbon transport. Future research should further investigate the index quantification, scaling algorithms, and modeling framework of RCFs. This study contributes to holistically understanding the evolution and prevailing trends in the field of RCFs, and better constraining the carbon budgets at the regional or global scales.
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spelling doaj-art-5f2459b4e9d7497694c05a79b0afca5b2025-01-31T05:10:22ZengElsevierEcological Indicators1470-160X2025-01-01170112985Research trends and prospects in global riverine carbon fluxes: A bibliometric analysisWei Fang0Mohd Remy Rozainy Mohd Arif Zainol1Xianbao Zha2Pingping Luo3School of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang’an University, Xi’an 710054, ChinaRiver Engineering & Urban Drainage Research Center (REDAC), Universiti Sains Malaysia, Nibong Tebal 14300, Penang, MalaysiaDisaster Prevention Research Institute, Kyoto University, Kyoto 611-0011, JapanSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang’an University, Xi’an 710054, China; Xi’an Monitoring, Modelling and Early Warning of Watershed Spatial Hydrology International Science and Technology Cooperation Base, Chang’an University, Xi’an 710054, China; Corresponding author.Rivers are critical conduits of transporting and transforming carbon from land to coastal margins. Accurate estimates of the riverine carbon fluxes (RCFs) are crucial in assessing global carbon budget. Recently, a growing number of research has been conducted in this field. However, there still lacks a systematic analysis concerning the emerging, development, current status, and future trends of RCFs in existing studies. To identify the major characteristics and evolution of the research on RCFs, this study adopts a bibliometric method to analyze the publications retrieved from Web of Science during 1997–2023. The information related to journals, collaboration, keywords, and research evolution is statistically analyzed and scientifically visualized through R studio, VOSviewer, and CiteSpace. Findings indicate that a total of 1,592 documents from 368 different journals related to RCFs have been published by 7,035 researchers affiliated with 2,019 institutes from 95 countries. Research on RCFs has sharply increased since 2009, with an average annual publication number of 115. Around 45% of the total publications are attributed to the research categories of Environmental Science, and the most productive journal, country, institute, and author are Science of the Total Environment, the USA, Chinese Academy of Sciences, and Worral from Durham University, respectively. The analysis of keywords demonstrates that current study on RCFs mainly focus on monitoring the fluxes of multiple forms of carbon in the fluvial systems, modeling the fluxes of riverine carbon at larger scales, elaborating the complex biogeochemical processes of riverine carbon transport. Future research should further investigate the index quantification, scaling algorithms, and modeling framework of RCFs. This study contributes to holistically understanding the evolution and prevailing trends in the field of RCFs, and better constraining the carbon budgets at the regional or global scales.http://www.sciencedirect.com/science/article/pii/S1470160X24014420Carbon cycleDOCCarbon exportCarbon transportLateral transferRiver
spellingShingle Wei Fang
Mohd Remy Rozainy Mohd Arif Zainol
Xianbao Zha
Pingping Luo
Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
Ecological Indicators
Carbon cycle
DOC
Carbon export
Carbon transport
Lateral transfer
River
title Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
title_full Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
title_fullStr Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
title_full_unstemmed Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
title_short Research trends and prospects in global riverine carbon fluxes: A bibliometric analysis
title_sort research trends and prospects in global riverine carbon fluxes a bibliometric analysis
topic Carbon cycle
DOC
Carbon export
Carbon transport
Lateral transfer
River
url http://www.sciencedirect.com/science/article/pii/S1470160X24014420
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