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  2. 烟台海岸带研究所
  3. 中国科学院烟台海岸带研究所
  4. 中科院海岸带环境过程与生态修复重点实验室
Responses of soil CO2 and CH4 emissions to changing water table level in a coastal wetland

文献类型：期刊论文

作者Zhao, Mingliang1,2; Jiang, Changsheng1; Han, Guangxuan2; Li, Juanyong2; Song, Weimin2; Qu, Wendi2; Eller, Franziska3; Wang, Jianping4
刊名JOURNAL OF CLEANER PRODUCTION
出版日期2020-10-01
卷号269页码:122316
关键词Water table level CO2 emissions CH4 emissions Coastal wetlands Sea level rise
ISSN号0959-6526
DOI10.1016/j.jclepro.2020.122316
英文摘要Global climate change and in particular sea level rise have resulted in water table level rise in the coastal wetland, which may alter the magnitude and direction of carbon flux. However, the degree to which different water table level affects soil CO2 and CH4 emissions remains uncertain in coastal wetland. Here, a soil microcosm experiment with five water table levels (similar to 40, similar to 30, similar to 20, similar to 10, 0 cm) was conducted in the Yellow River Delta, China. The water table level was controlled by manual. The soil CO2 and CH4 emissions of each water table levels were measured during 150-days incubation in 2018. Our results showed that water table level rise decreased soil CO2 emissions, while increased soil CH4 emissions. However, there was no significant difference in soil CO2 and CH4 emissions from similar to 20 to similar to 40 water table levels, respectively. In addition, water table level rise significant alter soil physical and chemical properties in the uppermost soil layer (0-10 cm) in coastal wetland, in particular soil moisture and salinity, which probably jointly affected soil CO2 and CH4 emissions. Furthermore, cumulative soil CH4 emission was positively significantly correlated to soil organic carbon and total carbon, suggesting that carbon component can supply energy and nutrients and benefit for soil CH4 production. Additionally, there was a significant relationship between cumulative soil CO2 emission and dissolved organic carbon, which indicated that CO2 was mainly contributed from dissolved organic carbon. Cumulative soil CO2 emission was significantly correlated with soil microbial biomass carbon, suggesting that microbial activity played an important role in CO2 emissions in coastal wetlands. Our results also indicate that water table level rise caused by sea level rise may contribute to the storage of soil organic carbon and produces a lower global warming potentials of CH4 and CO2 in the further climate change. Therefore, it is necessary to estimate the effect of hydrological, especially water table level on carbon cycles in coastal wetland when evaluating the climateecarbon feedback scenarios. (C) 2020 Elsevier Ltd. All rights reserved.
WOS关键词GREENHOUSE-GAS EMISSIONS ; DISSOLVED ORGANIC-CARBON ; SEA-LEVEL ; ECOSYSTEM RESPIRATION ; SALTWATER INTRUSION ; METHANE EMISSIONS ; FORESTED WETLAND ; ZOIGE PEATLAND ; CLIMATE-CHANGE ; RIVER ESTUARY
WOS研究方向Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000561603100064
资助机构Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA23050202] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41671089, 41977186] ; Science and Technology Service Network Initiative [KFJ-STS-ZDTP-023] ; Key deployment project of Chinese Academy of Sciences [KFZD-SW-112] ; Chongqing Research Program of Basic Research and Frontier Technology [cstc2018jcyjAX0476, cstc2019jcyj-msxmX0425] ; Yellow River Delta Ecological Research Station of Coastal Wetland ; Chinese Academy of SciencesChinese Academy of Sciences
源URL[http://ir.yic.ac.cn/handle/133337/30497]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
作者单位1.Southwest Univ, Coll Resources & Environm, State Cultivat Base Ecoagr Southwest Mountainous, Chongqing 400715, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Shandong Key Lab Coastal Environm Proc,YICCAS, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China;
3.Aarhus Univ, Dept Biosci, Aquat Biol, DK-8000 Aarhus, Denmark;
4.Yantai Acad Agr Sci, Yantai 264003, Shandong, Peoples R China
推荐引用方式
GB/T 7714		 Zhao, Mingliang,Jiang, Changsheng,Han, Guangxuan,et al. Responses of soil CO2 and CH4 emissions to changing water table level in a coastal wetland[J]. JOURNAL OF CLEANER PRODUCTION,2020,269:122316.
APA Zhao, Mingliang.,Jiang, Changsheng.,Han, Guangxuan.,Li, Juanyong.,Song, Weimin.,...&Wang, Jianping.(2020).Responses of soil CO2 and CH4 emissions to changing water table level in a coastal wetland.JOURNAL OF CLEANER PRODUCTION,269,122316.
MLA Zhao, Mingliang,et al."Responses of soil CO2 and CH4 emissions to changing water table level in a coastal wetland".JOURNAL OF CLEANER PRODUCTION 269(2020):122316.

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来源：烟台海岸带研究所

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