IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Theoretical model for diffusive greenhouse gas fluxes estimation across water-air interfaces measured with the static floating chamber method
Xiao, Shangbin1,2; Wang, Chenghao1,3; Wilkinson, Richard Jeremy4; Liu, Defu1,5; Zhang, Cheng1; Xu, Wennian1; Yang, Zhengjian5; Wang, Yuchun6; Lei, Dan1
2016-07-01
Source PublicationATMOSPHERIC ENVIRONMENT
Volume137Issue:2016Pages:45-52
SubtypeArticle
AbstractAquatic systems are sources of greenhouse gases on different scales, however the uncertainty of gas fluxes estimated using popular methods are not well defined. Here we show that greenhouse gas fluxes across the air-water interface of seas and inland waters are significantly underestimated by the currently used static floating chamber (SFC) method. We found that the SFC CH4 flux calculated with the popular linear regression (LR) on changes of gas concentration over time only accounts for 54.75% and 35.77% of the corresponding real gas flux when the monitoring periods are 30 and 60 min respectively based on the theoretical model and experimental measurements. Our results do manifest that nonlinear regression models can improve gas flux estimations, while the exponential regression (ER) model can give the best estimations which are close to true values when compared to LR. However, the quadratic regression model is proved to be inappropriate for long time measurements and those aquatic systems with high gas emission rate. The greenhouse gases effluxes emitted from aquatic systems may be much more than those reported previously, and models on future scenarios of global climate changes should be adjusted accordingly. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordTheoretical Model Static Floating Chamber Gas Flux Estimation Linear Regression Exponential Regression
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1016/j.atmosenv.2016.04.036
WOS KeywordCARBON-DIOXIDE EMISSION ; NITROUS-OXIDE EMISSIONS ; TRANSFER VELOCITIES ; TEMPORAL VARIABILITY ; EUROPEAN ESTUARIES ; METHANE FLUXES ; EXCHANGE ; CO2 ; RESERVOIRS ; CH4
Indexed BySCI
Language英文
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000377320200005
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5738
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.China Three Gorges Univ, Coll Hydraul & Environm Engn, Yichang 443002, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
3.Arizona State Univ, Sch Sustainable Engn & Built Environm, Tempe, AZ 85287 USA
4.Univ Koblenz Landau, Inst Environm Sci, D-76829 Landau, Germany
5.Hubei Univ Technol, Coll Resources & Environm Sci, Wuhan 430068, Peoples R China
6.China Inst Water Resources & Hydropower Res, Water Environm Dept, Beijing 100038, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Shangbin,Wang, Chenghao,Wilkinson, Richard Jeremy,et al. Theoretical model for diffusive greenhouse gas fluxes estimation across water-air interfaces measured with the static floating chamber method[J]. ATMOSPHERIC ENVIRONMENT,2016,137(2016):45-52.
APA Xiao, Shangbin.,Wang, Chenghao.,Wilkinson, Richard Jeremy.,Liu, Defu.,Zhang, Cheng.,...&Lei, Dan.(2016).Theoretical model for diffusive greenhouse gas fluxes estimation across water-air interfaces measured with the static floating chamber method.ATMOSPHERIC ENVIRONMENT,137(2016),45-52.
MLA Xiao, Shangbin,et al."Theoretical model for diffusive greenhouse gas fluxes estimation across water-air interfaces measured with the static floating chamber method".ATMOSPHERIC ENVIRONMENT 137.2016(2016):45-52.
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