河口红树林湿地CH<sub>4</sub>通量的日变化研究

叶勇; 卢昌义; 林鹏; 谭风仪; 黄玉山

河口红树林湿地CH₄通量的日变化研究

1.
宁波大学海洋生物工程重点实验室, 宁波315211
2.
厦门大学教育部海洋生态环境开放研究实验室, 厦门361005
3.
厦门大学生物学系, 厦门361005
4.
香港城市大学生物与化学系, 香港

基金项目: 国家自然科学基金(49676298)

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出版历程
- 收稿日期: 1998-07-01
- 修回日期: 1998-11-20

Diurnal change of CH₄ fluxes from esturine mangrove wetlands

1.
Marine Biotechnology Key Lab of Ningbo University, Ningto 315211
2.
Marine Ecological Environment Laboratory of Education Ministry, Xiamen 361005
3.
Biology Department of Xiamen University, Xiamen 361005
4.
Biology and Chemistry department of City University of Hong Kong, Hong Kong

摘要

摘要: 甲烷(CH₄)是大气中除CO₂外最为丰富的含碳组分,其浓度以每年0.7%-1.1%的速率递增^[1,2].尽管大气CH₄含量仅为CO₂的二百分之一,但却对预计的全球变暖约有20%的贡献率,而CO₂的贡献率约为50%^[3,4],由这些数据推算得一个分子的CH₄比一个分子的CO₂(目前最重要的温室气体)的增暖潜值高约80倍.很多研究者对全球大气CH₄的预算结果均表明,湿地是大气CH₄最重要的生物源^[5,6],约占全球CH₄源的40%～50%^[7].湿地CH₄通量的日变化研究是正确估算大时间尺度下CH₄排放量(如平均年排放量和季节排放量)的基础,因而具有相当的重要性.
- 红树林湿地 /
- CH₄通量 /
- 日变化
- Mangrove wetland /
- CH₄ flux /
- diurnal change

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参考文献(17)

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