中国西南喀斯特地区水库溶解态与颗粒态碳研究进展

易沅壁; 王万发; 王宝利; 汪福顺; 李思亮

doi:10.19509/j.cnki.dzkq.2022.0200

中国西南喀斯特地区水库溶解态与颗粒态碳研究进展

doi: 10.19509/j.cnki.dzkq.2022.0200

易沅壁^1,,
王万发^{2a, 2b},
王宝利¹,
汪福顺³,
李思亮^1, ,

1.
天津大学地球系统科学学院, 天津 300072
2a.
贵州大学资源与环境工程学院, 贵阳 550025
2b.
贵州大学喀斯特地质资源与环境教育部重点实验室, 贵阳 550025
3.
上海大学环境与化学工程学院, 上海 201800

基金项目:

国家自然科学基金项目 18JCJQJC46200

国家自然科学基金项目 41925002

详细信息

作者简介:
易沅壁(1993—)，主要从事水库有机质迁移转化研究工作。E-mail: yuanbi.yi@tju.edu.cn

通讯作者:
李思亮(1978—)，教授，主要从事流域生物地球化学循环研究工作。E-mail: siliang.li@tju.edu.cn

中图分类号: P641.134
计量
- 文章访问数: 652
- PDF下载量: 43
- 被引次数: 0
出版历程
- 收稿日期: 2022-07-07
- 网络出版日期: 2022-11-10

Research progress on the dissolved and particulate carbon of reservoirs in karst areas of Southwest China

Yi Yuanbi^1
,,
Wang Wanfa^{2a, 2b},
Wang Baoli¹,
Wang Fushun³,
Li Siliang^{1
, ,}

1.
Institute of Surface-Earth System Science, Tianjin University, Tianjin 300072, China
2a.
College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China
2b.
Key Laboratory of Karst Georesources and Environment of Ministry of Education, Guizhou University, Guiyang 550025, China
3.
School of Environmental and Chemical Engineering, Shanghai University, Shanghai 201800, China

摘要

摘要:
为了阐明喀斯特水库对河流水体碳循环造成的影响, 总结了近年来喀斯特流域筑坝作用对不同形态碳迁移转化和环境影响的研究进展。通过光谱学、稳定及放射性同位素等手段等对喀斯特地区河流-水库系统中的溶解无机碳(DIC)、溶解有机碳(DOC)、颗粒无机碳(PIC)和颗粒有机碳(POC)迁移转化及其控制机制的研究, 发现喀斯特水库碳循环展现出明显的季节性分布特征以及梯级水库群可能会进一步放大单个水库的生态效应, 这一结果不仅极大地促进了人们对水库碳循环的认识, 还有利于探索河流碳循环中"遗失"的碳汇以及更加准确的评估岩溶水库在全球河流碳循环中扮演的角色。喀斯特水库相比非喀斯特水库对人为活动加剧的影响可能具有更强的响应强度, 这也意味着喀斯特水库在全球变暖的趋势中发挥的作用需要得到更准确的评估, 而在未来的研究中, 通过不同分析手段从微观到宏观系统性的总结不同形态碳迁移转化特点将更准确的回答该问题。
- 喀斯特区域 /
- 水库 /
- 碳循环 /
- 同位素
Abstract:
Southwest China is the largest concentrated karst landscape distribution area in the world, with dense river networks and abundant hydroelectric resources in the area, which is an important area for the development of hydroelectric power generation in China. To elucidate the impact of karst reservoirs on the carbon cycle of the river system, this work summarizes the research progress of damming in karst watersheds on different forms of carbon transport transformation and the environment in recent years. Through the study of dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), particulate inorganic carbon (PIC) and particulate organic carbon (POC) transport and transformation and their control mechanisms in the river-reservoir system in the karst region by spectroscopy, stability and radioisotopes, this work found that the carbon cycle in karst reservoirs exhibits obvious seasonal distribution characteristics, as well as cascade reservoirs, which may further amplify a single reservoir's environmental influence. These results not only contribute to the understanding of the reservoir carbon cycle but also help to explore the "missing" carbon sinks in the river carbon cycle and to more accurately assess the role of karst reservoirs in the global river carbon cycle. In general, karst reservoirs are likely to be more responsive to increased anthropogenic activities than nonkarst reservoirs, which implies that the role of karst reservoirs in the global warming trend needs to be more accurately assessed, and in future research, a systematic characterization of the carbon transport and transformation of different forms from microscopic to macroscopic levels by different analytical tools will more accurately answer this question.
- karst region /
- reservoirs /
- carbon cycle /
- isotopes

HTML全文

图 1 乌江梯级水库溶解无机碳(DIC)的生物地球化学过程(据文献[1]修改)

Figure 1. Biogeochemical processes in the dissolved inorganic carbon (DIC) of the Wujiang River cascade reservoir

下载: 全尺寸图片幻灯片

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