Diurnal variations of greenhouse gases emissions from reclamation mariculture ponds | |
Hu, Beibei1,2,3; Xu, Xiaofang1; Zhang, Junfeng (Jim)2,3,4; Wang, Tianli5,6; Meng, Weiqing1,7; Wang, Dongqi8,9 | |
2020-05-31 | |
发表期刊 | ESTUARINE COASTAL AND SHELF SCIENCE |
ISSN | 0272-7714 |
卷号 | 237页码:7 |
摘要 | Dissolved concentrations, saturation status, and emission fluxes of greenhouse gases (GHGs) in two reclamation mariculture ponds in the Bohai Gulf, China, were measured using the static headspace gas chromatography method and computed using a two-layer model of diffusive gas exchange. The study was conducted during August 2016 to assess diurnal variations in GHGs emissions. The main influencing factors of GHGs emissions from the ponds under the disturbance of artificial management were identified using Spearman correlation analyses and multiple stepwise regression analyses. Results showed that dissolved GHGs concentrations were stable throughout the day, whereas GHGs emission fluxes showed a clear diurnal variation with larger daytime values. The diurnal variation of N2O emission fluxes was greater than that of CO2 and that of CH4. Results also showed that pH of pond water was negatively correlated with CO2 and N2O emission fluxes and that air temperature was positively correlated with CH4 and N2O emission fluxes. In addition, ammonia (NH4+-N) was positively correlated with CH4 emission fluxes; water temperature and salinity were positively correlated with N2O emission fluxes. The estimated annual emissions from the reclamation aquaculture in Tianjin and the Bohai Rim region were 2.53 x 10(5) kg C-CO2, 6.94 x 10(3) kg C-CH4 and 1.11 x 10(3) kg N-N2O, and 3.42 x 10(7) kg C-CO2, 9.36 x 10(5) kg C-CH4 and 1.50 x 10(5) kg N-N2O respectively, indicating the important contribution of this fishery sector to GHGs emissions. |
关键词 | Greenhouse gases Emission fluxes Diurnal variation Reclamation mariculture |
DOI | 10.1016/j.ecss.2020.106677 |
关键词[WOS] | NITROUS-OXIDE EMISSIONS ; CARBON-DIOXIDE ; RICE PADDIES ; AQUACULTURE PONDS ; FISH AQUACULTURE ; N2O PRODUCTION ; METHANE ; FLUXES ; DENITRIFICATION ; RIVER |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China (NSFC)[41301221] ; National Natural Science Foundation of China (NSFC)[41671467] ; National Natural Science Foundation of China (NSFC)[41473049] |
WOS研究方向 | Marine & Freshwater Biology ; Oceanography |
项目资助者 | National Natural Science Foundation of China (NSFC) |
WOS类目 | Marine & Freshwater Biology ; Oceanography |
WOS记录号 | WOS:000527916600006 |
出版者 | ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/13992 |
专题 | 古环境研究室 |
通讯作者 | Hu, Beibei |
作者单位 | 1.Tianjin Normal Univ, Sch Geog & Environm Sci, Tianjin 300387, Peoples R China 2.Duke Univ, Nicholas Sch Environm, Durham, NC 27705 USA 3.Duke Univ, Global Hlth Inst, Durham, NC 27708 USA 4.Duke Kunshan Univ, Kunshan 215316, Jiangsu, Peoples R China 5.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China 6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 7.Tianjin Normal Univ, Tianjin Key Lab Water Resources & Environm, Tianjin 300387, Peoples R China 8.East China Normal Univ, Key Lab Geog Informat Sci, Minist Educ, Shanghai 200241, Peoples R China 9.East China Normal Univ, Sch Geog Sci, Shanghai 200241, Peoples R China |
推荐引用方式 GB/T 7714 | Hu, Beibei,Xu, Xiaofang,Zhang, Junfeng ,et al. Diurnal variations of greenhouse gases emissions from reclamation mariculture ponds[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2020,237:7. |
APA | Hu, Beibei,Xu, Xiaofang,Zhang, Junfeng ,Wang, Tianli,Meng, Weiqing,&Wang, Dongqi.(2020).Diurnal variations of greenhouse gases emissions from reclamation mariculture ponds.ESTUARINE COASTAL AND SHELF SCIENCE,237,7. |
MLA | Hu, Beibei,et al."Diurnal variations of greenhouse gases emissions from reclamation mariculture ponds".ESTUARINE COASTAL AND SHELF SCIENCE 237(2020):7. |
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