Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets

doi:10.1002/2017JG004159

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 山东省海岸带环境工程技术研究中心

	Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets
	Lu, Weiqi ; Wang, Shilu ; Yeager, Kevin M.; Liu, Fang ; Huang, Qiangsheng ; Yang, Yuxue ; Xiang, Peng ; Lu, Yingchun ; Liu, Cong-qiang
刊名	JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
	2018-04
卷号	123 期号:4 页码:1302-1317
关键词	RIPARIAN-STREAM CONTINUUM BOREAL LAKES SOIL RESPIRATION GUIZHOU PROVINCE UNITED-STATES CO2 EMISSIONS INLAND WATERS ARCTIC LAKES CATCHMENT FLUXES
ISSN号	2169-8953
DOI	10.1002/2017JG004159
产权排序	[Lu, Weiqi ; Wang, Shilu ; Liu, Fang ; Huang, Qiangsheng ; Yang, Yuxue ; Xiang, Peng ; Lu, Yingchun ; Liu, Cong-qiang] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang, Guizhou, Peoples R China ; [Lu, Weiqi] Univ Chinese Acad Sci, Beijing, Peoples R China ; [Yeager, Kevin M.] Univ Kentucky, Dept Earth & Environm Sci, Lexington, KY USA ; [Liu, Fang] Baise Univ, Baise, Peoples R China ; [Lu, Yingchun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yaitai, Peoples R China
文献子类	Article
英文摘要	Lakes and reservoirs transform, emit, and bury carbon that is exported from land and are thus significant components of terrestrial carbon budgets. Their significance is often assessed by integrating these water bodies into terrestrial primary production. However, the transfer of inorganic carbon (IC) is likely a sticking point for these integrations because IC is not part of net ecosystem production. Here we integrated carbon evasion and organic carbon (OC) burial in a lake in the context of inorganic and OC cycling in a karst catchment from a system perspective. The lake emitted carbon dioxide (CO2) and buried OC at rates of 1.0 +/- 0.2 and 0.9 +/- 0.2 g Cm-2 a(-1), respectively, approximately equaling 13% and 11% of catchment net ecosystem production, respectively. These proportions represent significant influences on terrestrial carbon budgets, given an organic origin. However, catchment carbon export is dominated by IC that is derived from carbonates dissolved by soil CO2. Lake CO2 evasion accounts for less than 0.1% of soil CO2 efflux, suggesting little potential in significantly altering terrestrial carbon budgets. This comparison indicates the significance of aquatic CO2 evasion, requiring an adjustment of terrestrial carbon budgets to recognize their dependence on carbon origins. The significance may be overstated if inorganic origin is ignored. Our study suggests that a careful reassessment of the significance of CO2 evasion and OC burial in freshwater ecosystems to local and global carbon budgets, with full consideration of their sources, is necessary and pressing.
WOS关键词	RIPARIAN-STREAM CONTINUUM ; BOREAL LAKES ; SOIL RESPIRATION ; GUIZHOU PROVINCE ; UNITED-STATES ; CO2 EMISSIONS ; INLAND WATERS ; ARCTIC LAKES ; CATCHMENT ; FLUXES
WOS研究方向	Environmental Sciences ; Geosciences, Multidisciplinary
语种	英语
WOS记录号	WOS:000432012500011
资助机构	National Key Research and Development Program of China [2016YFA0601003] ; National Natural Science Foundation of China [91547117, 41373137, U1612442]
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/24490]
专题	烟台海岸带研究所_山东省海岸带环境工程技术研究中心
作者单位	1.Baise Univ, Baise, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.Univ Kentucky, Dept Earth & Environm Sci, Lexington, KY USA; 4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yaitai, Peoples R China 5.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang, Guizhou, Peoples R China;
推荐引用方式 GB/T 7714	Lu, Weiqi,Wang, Shilu,Yeager, Kevin M.,et al. Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets[J]. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,2018,123(4):1302-1317.
APA	Lu, Weiqi.,Wang, Shilu.,Yeager, Kevin M..,Liu, Fang.,Huang, Qiangsheng.,...&Liu, Cong-qiang.(2018).Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,123(4),1302-1317.
MLA	Lu, Weiqi,et al."Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets".JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 123.4(2018):1302-1317.