基于涡度相关法的中国林地生态系统碳通量研究进展
首发时间:2020-04-29
摘要:随着全球温室效应加剧海平面上升,给人类的生存带来极大挑战。森林生态系统拥有着极高的碳吸收与贮存能力,研究其碳通量变化具有很高的科研价值与生态意义。本文首先总结了以涡度相关法为主要测量方法的中国林地生态系统碳通量的研究进展、阐述了我国林地生态系统碳通量在日、季节、年纪等时间尺度上的变化特征,概括了光照、水分、温度等影响因子的控制机理以及碳通量模型的研究成果。在此基础上对林地生态系统碳通量的研究提出了建议与展望,认为未来的研究重点是多因素协同分析、模型参数地区化、数据质量监测、新模型的建立和评价等。?????
关键词: 农业基础科学 碳通量 涡度相关系统 林地生态系统 碳源 碳汇
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Research progress on carbon flux of forestland ecosystem in China based on the eddy covariance method
Abstract:As the global greenhouse effect intensifies sea level rise, it will bring great challenges to human survival. Forest ecosystems have extremely high carbon absorption and storage capacity, and it is of great scientific research value and ecological significance to study their carbon flux changes. This paper first summarizes the research progress of forestland ecosystem in China carbon flux usingResearch progress on carbon flux of forestland ecosystem based on eddy covariance method in China as the main measurement method, and describes the characteristics of the change of forestland ecosystem in China carbon flux on time scales such as daily, seasonal, and age. The control mechanism of light, water, temperature and other influencing factors and the research results of carbon flux model are summarized. On this basis, the research of forestland ecosystem carbon flux has put forward suggestions and prospects. It is believed that the future research focus will be on multi-factor collaborative analysis, model parameter localization, data quality monitoring, and establishment and evaluation of new models.
Keywords: basic agricultural science carbon flux eddycovariance method forestlandecosystem carbon source carbon sink
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