Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL082157 |
Lake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia:Implications for Paleo Lake-Level. Reconstruction | |
Wang, H.1,2,3; He, Y.4; Liu, W.1,3,5; Zhou, A.6; Kolpakova, M.7; Krivonogov, S.7,8; Liu, Z.9 | |
2019-05-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:10页码:5274-5283 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Russia |
英文摘要 | Lake-level reconstructions, related to terrestrial hydrological changes, are important for our understanding of past and future climates. Currently, however, reliable lake-level proxies are still limited. Here we report distributions of archaeal tetraether lipids in 70 surface sediment samples collected from 55 lakes in midlatitude Asia. We have found that among various lake physico-chemical characteristics, the relative abundances of crenarchaeol and Hydroxylated isoprenoid glycerol dialkyl glycerol tetraethers (%cren and %OH-GDGTs) are best correlated with lake water depth, due to a preference of Thaumarchaeota, the producer of these biomarkers, for a niche in subsurface lake water. This supports the recent hypothesis based on single-lake investigations that %cren and %OH-GDGTs are potentially novel lake-level proxies. Our results also suggest that %OH-GDGTs is less affected by soil input than %cren. Nevertheless, other confounding factors should be well constrained and local/site-specific calibrations are needed before the two molecular proxies are used quantitatively in down-core applications. Plain Language Summary Lake-level reconstructions can provide useful information about past changes in hydroclimate, which impact both ecosystems and socio-economic sustainable development in fundamental ways, but reliable lake-level proxies are still limited to date. Here we show that the %cren and %OH-GDGTs indices, calculated based on the distributions of archaeal membrane lipids, are controlled by lake water depth in lake surface sediments across a variety of lake conditions. This suggests that past lake level changes can be inferred by analyzing the ubiquitous archaeal lipids preserved in downcore lake sediments. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000471237500030 |
WOS关键词 | DIALKYL GLYCEROL TETRAETHERS ; QINGHAI-TIBETAN PLATEAU ; MEMBRANE-LIPID DISTRIBUTIONS ; GDGT-BASED PROXIES ; SURFACE SEDIMENTS ; NITROSOPUMILUS-MARITIMUS ; PALEOTEMPERATURE PROXY ; OXYGEN-ISOTOPE ; ETHER LIPIDS ; INTACT POLAR |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/183393 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China; 2.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Sch Earth Sci, Wuhan, Hubei, Peoples R China; 3.Chinese Acad Sci, CAS Ctr Excellence Quaternary Sci & Global Change, Xian, Shaanxi, Peoples R China; 4.Zhejiang Univ, Sch Earth Sci, Hangzhou, Zhejiang, Peoples R China; 5.Univ Chinese Acad Sci, Beijing, Peoples R China; 6.Lanzhou Univ, Coll Earth & Environm Sci, MOE Key Lab Western Chinas Environm Syst, Lanzhou, Gansu, Peoples R China; 7.Inst Geol & Mineral SB RAS, Novosibirsk, Russia; 8.Novosibirsk State Univ, Novosibirsk, Russia; 9.Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, H.,He, Y.,Liu, W.,et al. Lake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia:Implications for Paleo Lake-Level. Reconstruction[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(10):5274-5283. |
APA | Wang, H..,He, Y..,Liu, W..,Zhou, A..,Kolpakova, M..,...&Liu, Z..(2019).Lake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia:Implications for Paleo Lake-Level. Reconstruction.GEOPHYSICAL RESEARCH LETTERS,46(10),5274-5283. |
MLA | Wang, H.,et al."Lake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia:Implications for Paleo Lake-Level. Reconstruction".GEOPHYSICAL RESEARCH LETTERS 46.10(2019):5274-5283. |
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