Results 81 to 90 of about 9,559 (293)

A Vörös-tenger középső–keleti részének negyedidőszaki paleo-oceanográfiája: The Quaternary paleoceanography of the central-eastern Red Sea [PDF]

, 2021
The Quaternary history of the central-eastern part of the Red Sea is not well constrained due tot he limited amount of the data. Therefore, little is known about the paleoceanography of the area.
Alexandra, ORBÁN, Anetta, GYÖRGY, Lóránd, SILYE   +2 more
core  

Stable isotope analysis of freshwater gastropod carbonates from Swanscombe: Insights into climate stability and seasonality during MIS 11c

Journal of Quaternary Science, EarlyView.
ABSTRACT Stable isotope analyses of freshwater mollusc carbonate can record environmental conditions at the time of mineralisation, yet this technique remains underused in British Middle Pleistocene fluvial sequences, despite the abundance of fossil shell material in these deposits.
Jennifer E. Sherriff, Ian Candy, Adrian P. Palmer, Danielle C. Schreve, Tom S. White   +4 more
wiley   +1 more source

Testing the impact of diagenesis on the delta O-18 and delta C-13 of benthic foraminiferal calcite from a sediment burial depth transect in the equatorial Pacific [PDF]

, 2013
Stable oxygen and carbon isotope (O-18 and C-13) values measured in foraminiferal calcite are one of the primary tools used in paleoceanography. Diagenetic recrystallization of foraminiferal calcite can act to reset primary isotopic values, but its ...
Wilson, Paul, Wilson, Paul A., Edgar, Kirsty M., Paelike, Heiko, Pälike, Heiko, Edgar, Kirsty M.; id_orcid   +5 more
core   +1 more source

Dental enamel hypoplasia and intra‐tooth isotope records as indicators of physiological stress and environmental variability in Early Pleistocene hippopotamids from Melka Kunture (Upper Awash, Ethiopia)

Journal of Quaternary Science, EarlyView.
ABSTRACT Enamel hypoplasia results from temporary disruptions of enamel deposition during tooth development. It is widely used as an indicator of physiological stress in archeological and paleontological contexts; yet, its relationship with environmental conditions during tooth formation remains poorly constrained.
Giuseppe Briatico, Denis Geraads, Rita T. Melis, Margherita Mussi   +3 more
wiley   +1 more source

Dampened El Niño in the Early Pliocene Warm Period

Geophysical Research Letters, 2020
El Niño‐Southern Oscillation (ENSO) is the strongest mode of interannual climate variability, and its predicted response to anthropogenic climate change remains unclear.
S. M. White, A. C. Ravelo
doaj   +1 more source

Supporting data for Exploring the impact of Cenomanian paleogeography and marine gateways on oceanic oxygen by Laugie, M. et al in Paleoceanography and Paleoclimatology

, 2021
Data include IPSLCM5A2 model outputs (netcdf) required to reproduce the figures shown in the manuscript, as well as two supplement data tables for (1) water flux details and (2) a compilation of Cenomanian-Turonian redox data from previous publications.
Ladant, Jean-Baptiste, Raisson, François, Bopp, Laurent, Laugié, Marie, Donnadieu, Yannick, Ethé, Christian   +5 more
core   +1 more source

New Schmidt hammer exposure‐age dating calibrations for the Last Glacial Termination in NW Scotland: Development and application to undated Torridon Group sandstone surfaces in Wester Ross

Journal of Quaternary Science, EarlyView.
ABSTRACT An understanding of the terrestrial extent, retreat dynamics and climate–glacier coupling of ice masses during the Last Glacial Termination (LGT, ~18–11 ka) is often limited by a fragmentary geomorphological record and is dependent on precise, accurate and robust dating frameworks.
Alastair M. Curry, David Small, Oliver T. Bartlett, Jonathan Newitt   +3 more
wiley   +1 more source

Responses of primary producers, anoxia, and chemical feedback to Late Glacial climate change: Insights from a paired lake approach

Journal of Quaternary Science, EarlyView.
Abstract Worldwide, lacustrine ecosystems are threatened by eutrophication and deoxygenation. Both processes are driven by the combined effects of human activities and climate change. Understanding the pre‐anthropogenic nexus between warming, eutrophication, deoxygenation, and related feedback is essential to determine how lakes respond to rapid ...
Noé R.M.M. Schmidhauser, Stan J. Schouten, Petra Zahajská, Andrea Lami, Jacqueline F.N. van Leeuwen, Rik Tjallingii, Hendrik Vogel, Martin Grosjean   +7 more
wiley   +1 more source

Editorial: Protists as model ecological and evolutionary study systems: Emerging methodologies of the 21st century

Frontiers in Marine Science, 2022
Raphaël Morard, Manuel F. G. Weinkauf, Anieke Brombacher, Isabel Fenton, Jennifer Fehrenbacher, Marina C. Rillo   +5 more
doaj   +1 more source

Site 1217

, 2002
Site 1217 (16°52.02´N, 138°06.00´W; 5342 meters below sea level [mbsl]; Fig. F1) is one of seven sites drilled to target upper Paleocene crust along a latitudinal transect during Leg 199 and will be used to investigate paleoceanographic processes in the ...
Lyle, M., Vanden Berg, M.D., Quintin, L., Wilson, P.A., Backman, J., Pälike, H., Coxall, H.K., Janecek, T.R., Raffi, I., Moore, T.C., Nomura, R., Nigrini, C.A., Faul, K., Tripati, A.K., Parés, J.M., Rea, B.R., Kruse, S., Wade, B.S., Nishi, H., Lanci, L., Hovan, S.A., Lear, C.H., Gaillot, P.A., Knoop, P., Busch, W.H., Norris, R.D., Rea, D.K., Steiger, T.H., Parés J. M., Wilson P. A., Busch W. H., Gaillot P., Rea B. R., Kruse S., RAFFI, Isabella, Nomura R., Lyle M. W., Tripati A., Lear C., Nigrini C. A., Moore T. C., Norris R. D., Knoop P., Van Den Berg M. D., Hovan S. A., Janecek T. R., Backman J., Pälike H., Steiger T. H., Coxall H. K., Nishi H., Rea D. K., Faul K., Lanci L., Wade B., Quintin L   +55 more
core   +1 more source