基于Web of Science的岩溶碳循环及碳汇效应研究动态分析

钟亮; 张春来; 胡芬; 曹建华

doi:10.11932/karst20240403

基于Web of Science的岩溶碳循环及碳汇效应研究动态分析

doi: 10.11932/karst20240403

钟亮^{1, 2,},
张春来^{1, 2, ,},
胡芬³,
曹建华^{1, 2}

1.
中国地质科学院岩溶地质研究所/自然资源部、广西岩溶动力学重点实验室/联合国教科文组织国际岩溶研究中心, 广西桂林 541004
2.
广西平果喀斯特生态系统国家野外科学观测研究站, 广西平果 531406
3.
江西省地质调查勘查院地质环境监测所(江西省煤田地质勘察研究院), 江西南昌 330001

基金项目: 岩溶地质科普基地信息化建设与创新示范（桂科AD21196005）；中国地质局地质调查项目(DD20230547)；自然资源科技战略研究项目(2023-ZL-23)

详细信息

作者简介:
钟亮（1990－），男，助理研究员，主要从事岩溶水文地质科研工作。E-mail：zhongliang@mail.cgs.gov.cn

通讯作者:
张春来（1984－），男，副研究员，主要从事岩溶生态地质科研工作。E-mail：zhangchunlai@mail.cgs.gov.cn。

中图分类号: P641.3
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- 文章访问数: 54
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- 被引次数: 0
出版历程
- 收稿日期: 2024-01-31
- 录用日期: 2024-07-11
- 修回日期: 2024-08-14
- 刊出日期: 2024-08-25

Analysis of development trend of karst carbon cycle and carbon sink effect based on Web of Science

ZHONG Liang^{1, 2
,},
ZHANG Chunlai^{1, 2
, ,},
HU Fen³,
CAO Jianhua^{1, 2}

1.
Institute of Karst Geology, CAGS/Key Laboratory of Karst Dynamics, MNR & GZAR/International Research Center on Karst under the Auspices of UNESCO, Guilin, Guangxi 541004, China
2.
Pingguo Guangxi, Karst Ecosystem, National Observation and Research Station, Pingguo, Guangxi 531406, China
3.
Geological Environment Monitoring Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Provincial Coal Geological Exploration and Research institute), Nanchang, Jiangxi 330001, China

摘要

摘要: 为了解岩溶碳循环及碳汇效应研究热点和发展方向，基于Web of Science核心合集引文索引数据库，对1997年1月1日—2023年6月30日间的573篇文献进行了文献计量学引文分析。利用CiteSpace软件对关键词频率、国家（地区）和机构分布、作者影响、研究热点、共被引文献以及主题演变进行了分析。结果表明，以刘再华为核心的研究团队继承和发扬了袁道先提出的岩溶作用参与全球碳循环并具有碳汇效应的观点，并提出了偶联碳酸盐岩风化碳汇模型，极大推动了岩溶碳汇的研究。关键词聚类的时间线图和关键词时区图清楚地展现了该领域的发展动态，可认为岩溶碳循环及碳汇效应领域经历3个发展阶段：1）1997—2006年的起步阶段，粗略估算了全球碳酸盐岩风化回收大气CO₂的量为0.110~0.608 Gt C·a⁻¹，占全球碳遗漏的15%~30%；2）2007—2014年的碳酸盐岩化学风化研究快速发展阶段，主要关注不同流域在外源酸、径流条件及植被覆盖对碳酸盐岩风化的影响；3）2015年之后以大气−生物−土壤−水−基岩为系统的岩溶关键带理论指导下的碳循环及碳汇效应研究新阶段，考虑了水生生物光合作用、气候变化及土地利用变化等条件下岩溶碳循环及碳汇效应。
- 岩溶碳循环 /
- 岩溶碳汇 /
- 文献计量学 /
- 研究动态
Abstract: Karstification refers to the chemical dissolution of carbonate rocks by water and the deposition of calcium carbonate due to CO₂ degassing. In a macro sense, karstification can be divided into epikarstification and deep-seated (geothermal) karstification. Karst covers about 22 million km² all over the world, accounting for 15% of the land area, and is of enormous carbon sink potential. Therefore, to alleviate the pressure of carbon neutrality and help China achieve the "Dual Carbon" target, it is of great significance for us to accurately understand the relationship between karst and carbon cycle and the carbon sink effect of karst. As an important tool for us to comprehensively understand the research progress in a specific area, bibliometric analysis can measure the relationship and influence among publications through a series of mathematical and statistical tools, and hence has been applied in many research fields. In order to understand the research hotspots and the development directions in the field of karst carbon cycle and carbon sink effect, this study undertook bibliometric citation analysis on 573 contributions to the literature written from January the 1^st, 1991 to June the 6^th, 2017, based on the Web of Science core collection. CiteSpace was used to analyze keyword frequency and emergency, country (region) and institution, author impact, research hot spot, co-cited literature and evolution of research topics.In terms of the number of papers published every year, there were fewer papers published before 2007, with a slow increase from 2007 to 2014 and a significant increase after 2015. The analysis of papers published by national (region) found that the research on karst carbon cycle and carbon sink effect presented distinct regional characteristics, which was mainly led by China, followed by the United States, Europe and other regions. Cluster analysis on the top 100 keywords in 573 papers by CiteSpace software generated 11 clusters which could be summarized and integrated into 5 main clusters: 1) the carbon cycle and carbon sink of chemical weathering of carbonate rocks; 2) the carbon cycle and hydrochemical characteristics in karst water; 3) the soil carbon cycle and carbon sink in karst regions; 4) the impact of ecosystem services on karst carbon cycle and carbon sink; 5) the technology of stabilizing carbon isotopes. The analysis of authors and cited references found that the research team led by Liu Zaihua has inherited and developed the viewpoint put forward by Yuan Daoxian that karstification participates in the global carbon cycle and has a carbon sink effect. Besides, Liu Zaihua team proposed a coupled carbonate weathering model, which greatly promoted the research of karst carbon sink. The analysis of references with the strongest citation bursts shows that citations about coupled carbonate weathering model, impact of karst rocky desertification, climate change and change of land use, effects of sulfuric acid as well as ecological engineering on karst carbon sink have attracted widespread attention in a short term and can represent cutting-edge research hot spots. The time line map and the keyword time zone map of keyword clustering can clearly show the research development in the field of karst carbon cycle and carbon sink in three stages: 1) the initial stage from 1997 to 2006, in which relevant studies show that the global amount of atmospheric CO₂ uptake from weathering of carbonate rocks was estimated at 0.11–0.608 Gt C·a⁻¹, accounting for 15%–30% of global carbon leakage; 2) the stage of rapid development in research on the chemical weathering of carbonate rocks from 2007 to 2014, in which studies mainly focused on the impact of exogenous acids, runoff conditions, and vegetation cover on the weathering of carbonate rocks in different watersheds; 3) the new stage of research on carbon cycle and carbon sink after 2015, in which studies have been conducted under the guidance of karst critical zone theory based on the atmosphere–biology–soil–water–bedrock system, and they mainly focus on the effect of aquatic photosynthesis, considering the impact of climate change and land-use change.In the future, the research of carbon cycle and carbon sink in karst critical zones should be carried out under the guidance of earth system science theory. At a micro level, studies should focus on the catalysis of carbonic anhydrase in soil, microbial carbon sequestration, photosynthesis of aquatic plants and other biological carbon pumps to improve the potential of karst carbon sink. At a macro level, studies should pay attention to the impact factors such as climate change, change of land use, and change of ecosystem service functions under human activities.
- karst carbon cycle /
- karst carbon sink /
- bibliometrics /
- research trends

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图 1 岩溶碳循环及碳汇效应年度发文量

Figure 1. Numbers of publications on karst carbon cycle and carbon sink effect published annually

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图 2 岩溶碳循环及碳汇效应关键词共现网络图谱

Figure 2. Network map of the keywords co-occurrence of karst carbon cycle and carbon sink effect

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图 3 关键词突现结果（前25位）

Figure 3. Top 25 keywords with the strongest citation bursts

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图 4 前100关键词聚类图

Figure 4. Clustergram of top 100 keywords

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图 5 国家（地区）合作网络共现图

Figure 5. Co-occurrence diagram of network for national (regional) cooperation

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图 6 主要机构共现网络图

Figure 6. Co-occurrence diagram of network for main institution cooperation

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图 7 作者合作网络共现图

Figure 7. Co-occurrence diagram of network for major author cooperation

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图 8 岩溶碳循环及碳汇领域高被引文献共被引网络图

Figure 8. Co-citation network of highly cited publications in the field of kart carbon cycle and carbon sink effect

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图 9 岩溶碳循环及碳汇效应领域被引文献突现结果（前25位）

Figure 9. Top 25 references with the strongest citation bursts in the field of karst carbon cycle and carbon sink effect

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图 10 按年份的研究主题时间线图

Figure 10. Timeline view of research topics by year

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图 11 岩溶碳循环及碳汇效应领域关键词时区图

Figure 11. Time zone map of keywords about karst cycle and karst carbon sink effect

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