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Article: Lake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia: Implications for Paleo Lake‐Level Reconstruction

TitleLake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia: Implications for Paleo Lake‐Level Reconstruction
Authors
KeywordsGDGTs
hydrogeology
Lake depth
Midlatitude Asia
OH-GDGTs
Issue Date2019
PublisherAmerican Geophysical Union. The Journal's web site is located at https://agupubs.onlinelibrary.wiley.com/journal/19448007
Citation
Geophysical Research Letters, 2019, v. 46 n. 10, p. 5274-5283 How to Cite?
AbstractLake-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. ©2019. American Geophysical Union. All Rights Reserved.
Persistent Identifierhttp://hdl.handle.net/10722/276073
ISSN
2019 Impact Factor: 4.497
2015 SCImago Journal Rankings: 3.323
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, H-
dc.contributor.authorHe, Y-
dc.contributor.authorLiu, W-
dc.contributor.authorZhou, A-
dc.contributor.authorKolpakova, M-
dc.contributor.authorKrivonogov, S-
dc.contributor.authorLiu, Z-
dc.date.accessioned2019-09-10T02:55:25Z-
dc.date.available2019-09-10T02:55:25Z-
dc.date.issued2019-
dc.identifier.citationGeophysical Research Letters, 2019, v. 46 n. 10, p. 5274-5283-
dc.identifier.issn0094-8276-
dc.identifier.urihttp://hdl.handle.net/10722/276073-
dc.description.abstractLake-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. ©2019. American Geophysical Union. All Rights Reserved.-
dc.languageeng-
dc.publisherAmerican Geophysical Union. The Journal's web site is located at https://agupubs.onlinelibrary.wiley.com/journal/19448007-
dc.relation.ispartofGeophysical Research Letters-
dc.rightsGeophysical Research Letters. Copyright © American Geophysical Union.-
dc.rightsPublished version Copyright [year] American Geophysical Union. To view the published open abstract, go to https://doi.org/[DOI].-
dc.subjectGDGTs-
dc.subjecthydrogeology-
dc.subjectLake depth-
dc.subjectMidlatitude Asia-
dc.subjectOH-GDGTs-
dc.titleLake Water Depth Controlling Archaeal Tetraether Distributions in Midlatitude Asia: Implications for Paleo Lake‐Level Reconstruction-
dc.typeArticle-
dc.identifier.emailLiu, Z: zhliu@hku.hk-
dc.identifier.authorityLiu, Z=rp00750-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1029/2019GL082157-
dc.identifier.scopuseid_2-s2.0-85066158807-
dc.identifier.hkuros303856-
dc.identifier.volume46-
dc.identifier.issue10-
dc.identifier.spage5274-
dc.identifier.epage5283-
dc.identifier.isiWOS:000471237500030-
dc.publisher.placeUnited States-
dc.identifier.issnl0094-8276-

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