Results 51 to 60 of about 1,604 (171)

GDGT content in sediment core PS92/039-2

, 2018
GDGT content in sediment core PS92/039-
Kremer, Anne, Stein, Ruediger, Ruediger Stein (6885428), Fahl, Kirsten, Anne Kremer (6973016), Kirsten Fahl (6887363)   +5 more
core   +1 more source

Disentangling influences of climate variability and lake-system evolution on climate proxies derived from isoprenoid and branched glycerol dialkyl glycerol tetraethers (GDGTs): the 250 kyr Lake Chala record [PDF]

Biogeosciences
High-resolution paleoclimate records from tropical continental settings are greatly needed to advance understanding of global climate dynamics. The International Continental Scientific Drilling Program (ICDP) project DeepCHALLA recovered a 214.8 m long ...
A. J. Baxter, F. Peterse, D. Verschuren, A. Maitituerdi, N. Waldmann, J. S. Sinninghe Damsté, J. S. Sinninghe Damsté   +6 more
doaj   +1 more source

Thermophilization: Concepts, Methods, and Implications of Changes in Community Composition due to Global Warming

Global Change Biology, Volume 32, Issue 8, August 2026.
As many species shift their geographic ranges coldward due to global warming, communities will undergo “thermophilization”—the increasing relative abundance of warm‐adapted (“thermophilic”) species and the concomitant decrease of cold‐adapted species over time.
Kenneth J. Feeley, Evelin Iseli, Billur Bektaş, Rubén D. Manzanedo, Crystal H. McMichael, Jake M. Alexander, Janneke Hille Ris Lambers   +6 more
wiley   +1 more source

GDGT concentrations of sediment core HH14-897-GC-MF

, 2022
GDGT concentrations were extracted and purified with wet chemical methods (details in publication) and quantified by an internal standard (C46) using a GC ...
Grotheer, Hendrik, Mollenhauer, Gesine, Hefter, Jens, Schubotz, Florence, Butzin, Martin, Szczuciński, Witold, Geibert, Walter, Ruben, Manuel Jannis, Gentz, Torben, Forwick, Matthias   +9 more
core   +1 more source

Novel methodological approaches in loess research – interrogating biomarkers and compound-specific stable isotopes [PDF]

Eiszeitalter und Gegenwart, 2011
Löss-Paläoboden Sequenzen sind wichtige terrestrische Archive für die Rekonstruktion der quartären Landschafts- und Klimageschichte. Die Entwicklung neuer, quantitativerer Paläoklima-Proxies könnte in den kommenden Jahren eine neue Ära in der ...
M. Zech, R. Zech, B. Buggle, L. Zöller
doaj   +1 more source

Planktonic Archaeal Ether Lipid Origins in Surface Waters of the North Pacific Subtropical Gyre

Frontiers in Microbiology, 2021
Thaumarchaeota and Thermoplasmatota are the most abundant planktonic archaea in the sea. Thaumarchaeota contain tetraether lipids as their major membrane lipids, but the lipid composition of uncultured planktonic Thermoplasmatota representatives remains ...
Fuyan Li, Andy Leu, Kirsten Poff, Laura T. Carlson, Anitra E. Ingalls, Edward F. DeLong   +5 more
doaj   +1 more source

Subsurface Production of Marine Derived Bacterial Tetraether Lipids: Implications for Paleoceanographic Reconstruction

Geophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are widely used as paleoclimate proxies on land, yet their origin in marine environments remains incompletely constrained. Here, we analyze suspended particulate matter collected from five depths at an open‐ocean station in the northern South China Sea and provide depth‐resolved evidence
Jiaming Zhou, Jing Zhao, Yanwei Wang, Zian Tong, Huanye Wang, Binbin Guo, Longhui Deng, Fengping Wang, Qianyong Liang, Liang Dong   +9 more
wiley   +1 more source

Peak areas of isoprenoid and branched GDGTs as well as GDGT index and calculated sea surface temperature (SST) values for site ODP174AX Ancora

, 2019
GDGT-1a, GDGT-2a, and GDGT-3a are minor isomers eluting before the main peaks.
Hurley, Sarah J, Julia Gottschalk (6961961), Sarah J Hurley (7825385), Gottschalk, Julia, Doeana, Katiana D, Elling, Felix J, Pearson, Ann, Stephanie Kusch (6968567), Ann Pearson (1265079), Felix J Elling (6957863), Katiana D Doeana (7825382), Kusch, Stephanie   +11 more
core   +1 more source

Optimization of allergen-specific immunotherapy in patients with seasonal allergic rhinitis and secondary immunodeficiency syndrome

Медицинский совет, 2019
Seasonal allergic rhinitis (SAR) remains an important medical and social problem, the importance of which is determined by the steady growth of morbidity, the expansion of the spectrum of pollen sensitisation, the development of complications in the form
L. P. Sizyakina, E. N. Zabrodskaya, I. A. Andreeva   +2 more
doaj   +1 more source

GDGT distributions on the East Siberian Arctic Shelf: implications for organic carbon export, burial and degradation [PDF]

Biogeosciences, 2015
Siberian permafrost contains a globally significant pool of organic carbon (OC) that is vulnerable to enhanced warming and subsequent release into the contemporary carbon cycle.
R. B. Sparkes, A. Doğrul Selver, J. Bischoff, H. M. Talbot, Ö. Gustafsson, I. P. Semiletov, O. V. Dudarev, B. E. van Dongen   +7 more
doaj   +1 more source