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气候变化背景下钙华退化影响因素及其保育措施研究进展
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引用本文:严飞,董发勤,代群威,李琼芳,王富东,曾嘉,曹芹,杨刚.气候变化背景下钙华退化影响因素及其保育措施研究进展[J].中国岩溶,2021,(1):166-170. YAN Fei,DONG Faqin,DAI Qunwei,LI Qiongfang,WANG Fudong,ZENG Jia,CAO Qin,YANG Gang.Influencing factors of the degradation of travertine and its conservation measures under the background of climate change[J].Carsologica Sinica,2021,(1):166-170.
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作者单位
严飞 西南科技大学生命科学与工程学院 
董发勤 固体废物处理与资源化省部共建教育重点实验室 
代群威 西南科技大学环境与资源学院 
李琼芳 西南科技大学生命科学与工程学院 
王富东 西南科技大学环境与资源学院 
曾嘉 西南科技大学生命科学与工程学院 
曹芹 西南科技大学生命科学与工程学院 
杨刚 西南科技大学生命科学与工程学院 
基金项目:四川省科技计划(2020YFS0020);国家自然科学基金项目(41671244);西南科技大学学生创新基金项目(19ycx0072)
中文摘要:为厘清黄龙钙华退化受气候变化调控规律,探究影响钙华沉积的生物与非生物因素对气候变化产生的响应,通过对钙华相关研究的专著及文献进行分析,从直接影响气候变化的水文因素和大气二氧化碳浓度出发,探索其对钙华退化的影响,表明水文过程及气候变化引起的极端事件是导致钙华退化的主要原因:(1)适宜的气候加速钙华沉积,极端的气候则会引起钙华退化;(2)气候变化主要是通过影响极端降水导致钙华退化,如干旱使钙华裸露受风化侵蚀而洪涝灾害使钙华受冲刷或被稀释效应影响;(3)全球变暖导致藻类大量富集,亦会破坏钙华。在钙华保育过程中,一方面应避免因极端气候事件对钙华的破坏,并在其发生时因势利导,缓解其负面效应对钙华的影响,另一方面提倡节能减排,抵御区域二氧化碳浓度升高导致的藻类大面积滋生,以便更好地保护钙华景观。
中文关键词:钙华  气候变化  退化  保育  可持续发展
 
Influencing factors of the degradation of travertine and its conservation measures under the background of climate change
Abstract:In order to clarify the regulation of travertine degradation by climate change and explore how the biological and abiotic factors that affect travertine deposition respond to climate change, this paper analyzes the monographs and literatures related to travertine, explores the impact of hydrological factors and atmospheric carbon dioxide concentration that directly affect climate change on travertine degradation, and obtains the hydrological process and climate change index. The extreme events are the main reasons for the degradation of travertine, (1) Suitable climate accelerates the deposition of travertine, and extreme climate will cause the degradation of travertine; (2) Climate change mainly affects extreme precipitation to cause the degradation of travertine, such as drought makes the travertine exposed and eroded by weathering, while flood makes the travertine eroded or diluted; (3) Global warming leads to algae bloom In addition, it will destroy travertine. In the process of travertine conservation, on the one hand, extreme climate events should be avoided and the negative effects should be mitigated when they occur. On the other hand, energy conservation and emission reduction should be advocated to resist the large-scale breeding of algae caused by the increase of regional carbon dioxide concentration, so as to achieve the purpose of sustainable utilization of travertine.
keywords:travertine, climate change, degradation, conservation, sustainability development
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