机载通量观测系统在芦苇湿地CO2通量观测中的应用

doi:10.13287/j.1001-9332.202504.003

应用生态学报 ›› 2025, Vol. 36 ›› Issue (4): 1189-1196.doi: 10.13287/j.1001-9332.202504.003

机载通量观测系统在芦苇湿地CO₂通量观测中的应用

蒋晓雯¹, 周广胜^1,2,3*, 宋兴阳¹

¹中国气象科学研究院, 灾害天气科学与技术全国重点实验室/河北固城农业气象国家野外科学观测研究站, 北京 100081;
²南京信息工程大学气象灾害预报预警与评估协同创新中心, 南京 210044;
³中国气象科学研究院-郑州大学生态气象联合实验室, 郑州 450001

收稿日期:2024-11-07 接受日期:2025-02-05 出版日期:2025-04-18 发布日期:2025-10-18
通讯作者: *E-mail: zhougs@cma.gov.cn
作者简介:蒋晓雯, 女, 2000年生, 硕士研究生。主要从事生态气象及陆地生态系统碳收支研究。E-mail: jiangxiaowen22@mails.ucas.ac.cn
基金资助:
国家自然科学基金项目(42130514)

Application of multi-rotor UAV-borne flux observation system in carbon dioxide flux monitoring of reed wetland

JIANG Xiaowen¹, ZHOU Guangsheng^1,2,3*, SONG Xingyang¹

¹State Key Laboratory of Severe Weather Meteorological Science and Technology (LaSW)/Hebei Gucheng Agricultural Meteorology National Observation and Research Station, Chinese Academy of Meteorological Sciences, Beijing 100081, China;
²Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing 210044, China;
³Joint Laboratory of Eco-Meteorology, Chinese Academy of Meteorological Sciences and Zhengzhou University, Zhengzhou 450001, China

Received:2024-11-07 Accepted:2025-02-05 Online:2025-04-18 Published:2025-10-18

摘要/Abstract

摘要： 生态系统碳通量的准确观测是科学评估陆地固碳的关键。目前现有塔基涡度相关观测难以覆盖区域不同类型的生态系统,本研究介绍了一种可移动的机载通量观测系统,并基于2023年7月27—29日辽河三角洲芦苇湿地机载通量观测系统与塔基涡度相关系统的碳通量对比观测结果,评估了该系统的观测准确性。结果表明: 机载通量观测系统能够很好地监测生态系统碳通量,其观测的碳通量源区与涡度相关系统基本一致,半小时生态系统碳通量与涡度相关系统的观测结果显著相关,相关系数达到 0.889,均方根误差为0.881。研究结果为机载通量观测系统观测不同类型生态系统-大气通量交换提供了科学依据。

关键词: 机载通量, 通量观测, 机载通量观测系统, 芦苇湿地, 净生态系统CO₂交换

Abstract: The accurate monitoring of ecosystem carbon flux is the key to scientific assessment of terrestrial carbon sequestration. There is a big challenge for the tower-based eddy covariance system to cover multiple ecosystem types in a region. We introduced a multi-rotor UAV-borne flux observation system, and evaluated its observational accuracy based on the comparison of carbon flux between the multi-rotor UAV-borne flux observation system and the tower-based eddy covariance system within an experiment conducted in the reed wetland of the Liaohe Delta from July 27 to 29, 2023. The results showed that the multi-rotor UAV-borne flux observation system could monitor ecosystem carbon flux well, and the observed carbon flux source area was basically consistent with the eddy covariance system. The half-hour ecosystem carbon flux was significantly correlated with the observation results of the eddy correlation system, with a correlation coefficient of 0.889 and a root mean square error of 0.881. Our results provided a scientific basis for using the multi-rotor UAV-borne flux observation system to monitor ecosystem-atmosphere flux exchange across different ecosystem types.

Key words: UAV-borne flux, flux observation, multi-rotor UAV-borne flux observation system, reed wetland, net ecosystem carbon dioxide exchange

蒋晓雯, 周广胜, 宋兴阳. 机载通量观测系统在芦苇湿地CO₂通量观测中的应用[J]. 应用生态学报, 2025, 36(4): 1189-1196.

JIANG Xiaowen, ZHOU Guangsheng, SONG Xingyang. Application of multi-rotor UAV-borne flux observation system in carbon dioxide flux monitoring of reed wetland[J]. Chinese Journal of Applied Ecology, 2025, 36(4): 1189-1196.

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机载通量观测系统在芦苇湿地CO₂通量观测中的应用

Application of multi-rotor UAV-borne flux observation system in carbon dioxide flux monitoring of reed wetland

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