| 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 | |
| 发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
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| ISSN | 2169-8953 |
| 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 |
| 研究领域 | Environmental Sciences & Ecology ; Geology |
| 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 |
| 作者部门 | 海岸带环境工程技术研究与发展中心 |
| 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. |
| 文章类型 | Article |
| 资助机构 | National Key Research and Development Program of China [2016YFA0601003] ; National Natural Science Foundation of China [91547117, 41373137, U1612442] |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | RIPARIAN-STREAM CONTINUUM ; BOREAL LAKES ; SOIL RESPIRATION ; GUIZHOU PROVINCE ; UNITED-STATES ; CO2 EMISSIONS ; INLAND WATERS ; ARCTIC LAKES ; CATCHMENT ; FLUXES |
| 研究领域[WOS] | Environmental Sciences ; Geosciences, Multidisciplinary |
| WOS记录号 | WOS:000432012500011 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/24490 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心 |
| 作者单位 | 1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang, Guizhou, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.Univ Kentucky, Dept Earth & Environm Sci, Lexington, KY USA; 4.Baise Univ, Baise, Peoples R China; 5.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yaitai, 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. |
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