海洋沉积有机物质的降解及其模式

蒋宇轩; 邢磊; 张海龙; 姜一晴; 赵美训

doi:10.3724/SP.J.1140.2014.04173

海洋沉积有机物质的降解及其模式

1. 中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛 266100;

2. 中国海洋大学海洋有机地球化学研究所, 青岛 266100

基金项目:
国家自然科学基金项目(41276068,41020164005)

国家重点基础研究发展规划项目(2010CB428901)

详细信息

作者简介: 蒋宇轩(1987-),男,硕士生,海洋化学专业,Email:moonrisegw@163.com

中图分类号: P736.4

收稿日期: 2013-08-29

修回日期: 2013-10-02

STUDY ON THE DEGRADATION OF MARINE SEDIMENTARY ORGANIC MATTER AND MODEL DEVELOPMENT

1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;

2. Institute of Marine Organic Geochemistry, Ocean University of China, Qingdao 266100, China

Received Date: 29 August 2013

Revised Date: 02 October 2013

摘要

摘要: 作为长期碳汇,海洋沉积物中埋藏的大量有机碳对全球碳循环和气候变化有重要影响。有机碳从海洋输出到沉积物中后,在沉积物中还要经历有氧降解和无氧降解。有机物降解是一个十分复杂的过程,影响这一过程的因素有很多,包括有机物本身的分子结构和组成种类;氧化还原状态;有机物所附着的基质;温度、压力、盐度等物理环境因素以及生物因素。研究沉积有机碳的含量及埋藏量变化首先需要校正降解对沉积有机碳含量的影响。降解模式是定量估算降解对沉积有机碳的影响的一个主要手段。在前人的研究基础上,讨论了影响沉积有机碳降解的因素,对降解模式的研究进展和应用进行了综述,提出了未来降解模式的发展中存在的问题。
- 降解 /
- 模型 /
- 沉积有机碳 /
- 海洋沉积物
Abstract: As a long-term carbon sink, marine sediments preserve abundant organic carbon, and have important implications for climate change and carbon cycle. The organic carbon in the marine sediments would experience both aerobic and anaerobic degradation in the sediments. The process of the degradation is complicated, influenced by the chemical structure of the organic compound, the redox condition, the absorption of the sediments, temperature, pressure and biological activities. Therefore, it is essential to evaluate the effect of degradation in assessing the change in sedimentary organic carbons. The effect of degradation on sedimentary organic carbons can be estimated by degradation models. In this paper, the factors affecting the degradation process and the development of the models are reviewed, and the problems in model study are discussed.
- degradation /
- model /
- sedimentary organic carbon /
- maiine sedimen

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海洋沉积有机物质的降解及其模式

1. 中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛 266100; 2. 中国海洋大学海洋有机地球化学研究所, 青岛 266100

作者简介: 蒋宇轩(1987-),男,硕士生,海洋化学专业,Email:moonrisegw@163.com

STUDY ON THE DEGRADATION OF MARINE SEDIMENTARY ORGANIC MATTER AND MODEL DEVELOPMENT

1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China; 2. Institute of Marine Organic Geochemistry, Ocean University of China, Qingdao 266100, China

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1. 中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛 266100;

2. 中国海洋大学海洋有机地球化学研究所, 青岛 266100

1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;

2. Institute of Marine Organic Geochemistry, Ocean University of China, Qingdao 266100, China