Results 101 to 110 of about 1,034,422 (264)

Influence of Mediterranean Oceanographic and Environmental Conditions on Molecular Proxy‐Based Sea Surface Temperature Reconstructions During the Last Interglacial

Paleoceanography and Paleoclimatology, Volume 40, Issue 4, April 2025.
Abstract We investigated the variability and phase relationship of two annually to subdecadally resolved sea surface temperature (SST) proxy records from the Mediterranean sapropel S5 deposited during the Last Interglacial. We compared our recently published alkenone‐based SST record, considered to reliably represent surface temperature, with a newly ...
Igor Obreht, Lars Wörmer, Devika Varma, David De Vleeschouwer, Hartmut Schulz, Michal Kucera, Kai‐Uwe Hinrichs   +6 more
wiley   +1 more source

Assessment of soil n-alkane δD and branched tetraether membrane lipid distributions as tools for paleoelevation reconstruction [PDF]

Biogeosciences, 2009
δ18O values of pedogenic minerals forming from soil water are commonly used to reconstruct paleoelevation. To circumvent some of the disadvantages of this method, soil n-alkane δD values were recently proposed as a new tool to reconstruct ...
J. S. Sinninghe Damsté, J. Blokker, J. Ossebaar, G. Jia, S. Schouten, F. Peterse, M. T. J. van der Meer   +6 more
doaj  

Biomolecular interaction analysis based on a tetraether lipid matrix

Biomedical Engineering / Biomedizinische Technik, 2012
C. Bücher, K. Liefeith
semanticscholar   +3 more sources

Vegetation‐Driven Spatial Heterogeneity of Land Surface Temperature Changes on the Chinese Loess Plateau

Geophysical Research Letters, Volume 52, Issue 6, 28 March 2025.
Abstract A comprehensive understanding of the processes and mechanisms driving Holocene temperature changes is crucial for resolving the ongoing Holocene temperature controversy. Here, we reconstructed land surface temperature (LST) variations over the past 27,000 years in two loess‐paleosol profiles from the Chinese Loess Plateau based on soil ...
H. X. Lu, W. G. Liu, Z. H. Liu, Y. B. Sun, H. Y. Wang, Z. Wang, J. B. Dong, M. Xing, S. G. Kang, H. Liu, X. Liu, W. J. Sheng, Y. N. Cao, J. Hu   +13 more
wiley   +1 more source

Mid-late Holocene temperature and precipitation variations in the Guanting Basin, upper reaches of the Yellow River [PDF]

, 2018
The reconstruction of prehistoric temperature and precipitation variations in the upper reaches of the Yellow River is essential for understanding the cultural evolution of the region, but related information is sparse due to the limitations of the ...
Guo, Yongqiang, Hu, Ying, Huang, Chun Chang, Liu, Weiguo, Qiang, Xiaoke, Wang, Huanye, Xu, Xinwen, Zhang, Yuzhu, Zhao, Hui, Zheng, Zixing, Zhou, Qiang   +10 more
core   +1 more source

Eukaryotic-Like Virus Budding in Archaea

mBio, 2016
Similar to many eukaryotic viruses (and unlike bacteriophages), viruses infecting archaea are often encased in lipid-containing envelopes. However, the mechanisms of their morphogenesis and egress remain unexplored.
Emmanuelle R. J. Quemin, Petr Chlanda, Martin Sachse, Patrick Forterre, David Prangishvili, Mart Krupovic   +5 more
doaj   +1 more source

The Branched GDGT Isomer Ratio Refines Lacustrine Paleotemperature Estimates

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 3, March 2025.
Abstract Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are membrane‐spanning lipids synthesized by bacteria in numerous substrates. The degree of methylation of the five methyl brGDGTs in both soils and lake sediments, described by the MBT′5Me index, is empirically related to surface atmospheric temperature.
Joseph B. Novak, James M. Russell, Emma R. Lindemuth, Alexander A. Prokopenko, Lina Pérez‐Angel, Boyang Zhao, George E. A. Swann, Pratigya J. Polissar   +7 more
wiley   +1 more source

Evaluating Production of Cyclopentyl Tetraethers by Marine Group II Euryarchaeota in the Pearl River Estuary and Coastal South China Sea: Potential Impact on the TEX86 Paleothermometer

Frontiers in Microbiology, 2017
TEX86 [TetraEther indeX of glycerol dialkyl glycerol tetraethers (GDGTs) with 86 carbon atoms] has been widely applied to reconstruct (paleo-) sea surface temperature.
Jin-Xiang Wang, Jin-Xiang Wang, Wei Xie, Yi Ge Zhang, Travis B. Meador, Chuanlun L. Zhang, Chuanlun L. Zhang   +6 more
doaj   +1 more source

Archaeal and bacterial tetraether lipids in tropical ponds with contrasted salinity (Guadeloupe, French West Indies): Implications for tetraether-based environmental proxies [PDF]

, 2015
International audienceThe occurrence and distribution of archaeal and bacterial glycerol dialkyl glycerol tetraether lipids (GDGTs) in continental saline environments have been rarely investigated.
Belmahdi, Imène, Derenne, Sylvie, Fosse, Céline, Grossi, Vincent, Huguet, Arnaud   +4 more
core   +3 more sources

An Anaerobic Microbial Community Mediates Epigenetic Native Sulfur and Carbonate Formation During Replacement of Messinian Gypsum at Monte Palco, Sicily

Geobiology, Volume 23, Issue 2, March/April 2025.
ABSTRACT The microbially mediated replacement of sulfate‐bearing evaporites by authigenic carbonate and native sulfur under anoxic conditions is poorly understood. Sulfur‐bearing carbonates from the Monte Palco ridge (Sicily) replacing Messinian gypsum were therefore studied to better characterize the involved microorganisms.
Simon E. Rouwendaal, Daniel Birgel, Marcello Natalicchio, Francesco Dela Pierre, Laetitia Guibourdenche, Thorsten Bauersachs, Giovanni Aloisi, Amanda L. Labrado, Benjamin Brunner, Jörn Peckmann   +9 more
wiley   +1 more source