Results 41 to 50 of about 17,653 (244)

Glacial chronology of the Sierra Nevada, California, from the Last Glacial Maximum to the Holocene

Cuadernos de Investigación Geográfica, 2017
During the Last Glacial Maximum the Sierra Nevada in California, USA, supported a mountain glacier/ice cap complex that covered over 20,000 km2. The history of this ice cover can be reconstructed using 14C and cosmogenic-nuclide surface-exposure dating ...
F. Phillips
doaj   +1 more source

Bryozoan‐Rich Carbonate Units of the Erfoud Area (SE Morocco) Record Latest Katian to Early Hirnantian Interglacial Intervals

Geological Journal, EarlyView.
In this study, we re‐examine the depositional architecture of the Erfoud limestone in Morocco. Introducing new biostratigraphic constraints from chitinozoan assemblages, we show that Katian to Hirnantian bryozoan‐pelmatozoan meadows reflect flooding events linked to a series of interglacial transgressions known to have occurred immediately prior to the
Philippe Razin, Jean‐François Ghienne, Amira Meddour, Lorena Tessitore, Thijs R. A. Vandenbroucke   +4 more
wiley   +1 more source

Eskers and bedrock gorges (tunnel valleys) in the Pakasaivo area, western Finnish Lapland [PDF]

Bulletin of the Geological Society of Finland, 2003
Studies of the deglaciation of the last Scandinavian Ice Sheet, including the behavior of the ice sheet and meltwater activity, were conducted in the vicinity of the Pakasaivo canyon lake, located in western Finnish Lapland.
P. Johansson
doaj   +1 more source

davidreesjones/Iceland-deglaciation-magma: First release of Iceland-deglaciation-magma software

, 2019
Reference D. W. Rees Jones and J. F. Rudge, 2020. Fast magma ascent, revised estimates from the deglaciation of Iceland. Earth Planet. Sci. Lett., 542, 116324, https://doi.org/10.1016/j.epsl.2020.116324.
davidreesjones
core   +1 more source

Reef response to sea-level and environmental changes during the last deglaciation: Integrated Ocean Drilling Program Expedition 310, Tahiti Sea Level [PDF]

, 2012
The last deglaciation is characterized by a rapid sea-level rise and coeval abrupt environmental changes. The Barbados coral reef record suggests that this period has been punctuated by two brief intervals of accelerated melting (meltwater pulses, MWP ...
Braga, J. C., Seard, C., Braga, J.C., Dussouillez, P., Webster, J., Henderson, G.M., Camoin, G. F., Webster, J.M., Thomas, A., Henderson, G. M., Thomas, A.L., Bard, E., Camoin, G., Deschamps, P., Henderson, G., Hamelin, B., Camoin, G.F., Deschamps, Pierre, Iryu, Y., Webster, J. M., Braga, J., Thomas, A. L., Abbey, E., Durand, N., Yokoyama, Y.   +24 more
core   +1 more source

Holocene vegetation dynamics of Grande Terre (Kerguelen Islands) inferred from sedimentary ancient DNA

Journal of Quaternary Science, EarlyView.
ABSTRACT While the Antarctic region has experienced significant climatic changes over the Holocene, few high‐resolution records have examined their effects on the local biota. In order to understand past ecological shifts and forecast future changes, it is important to obtain high‐resolution palaeoecological records from this region.
Xaali O'Reilly‐Berkeley, Aloïs Revéret, Youri Lammers, Maaike Zwier, Anne E. Bjune, Fabien Arnaud, Jostein Bakke, Sandra Nogué, Inger G. Alsos   +8 more
wiley   +1 more source

Reconstruction of deglacial sea surface temperatures in the tropical Pacific from selective analysis of a fossil coral [PDF]

, 2005
The Sr/Ca of coral skeletons demonstrates potential as an indicator of sea surface temperatures (SSTs). However, the glacial-interglacial SST ranges predicted from Sr/Ca of fossil corals are usually higher than from other marine proxies.
Finch, A. A., Ellam, R, Ellam, R. M., Allison, N, Newville, M., Sutton, S R, Sutton, S. R., Finch, A A, Tudhope, A W, Newville, M, Ellam, R M, Tudhope, A. W., Allison, N., Finch, A A ; id_orcid, Allison, N ; id_orcid   +14 more
core   +1 more source

On deglaciation-induced perturbations of the geoid [PDF]

Canadian Journal of Earth Sciences, 1986
The importance of geoid perturbations in interpreting tilts of glacial lake levels is investigated, using a representative theoretical model. It is shown that near the ice margin, the slope of the Earth's perturbed surface is everywhere large compared with the slope of the associated undulation of the geoid. Perturbations of the geoid may therefore be
openaire   +2 more sources

New geochronological constraints on Late Pleistocene glaciation in the southern Cadí Massif, SE Pyrenees

Journal of Quaternary Science, EarlyView.
ABSTRACT The Cadí Massif (42°17′09″ N, 1°38′11″ E; 2649 m a.s.l.) in the southeastern Pyrenees preserves clear evidence of Late Pleistocene glaciation, although previous research has focused almost exclusively on its northern slope. By contrast, the southern slope has remained largely unexplored.
M. Oliva, J. Ventura, A. Çiner, M. A. Sarıkaya, J. Bonsoms, K. M. Wilcken   +5 more
wiley   +1 more source

Marine‐Calibrated Chronology of Southern Laurentide Ice Sheet Advance and Retreat: ∼2,000‐Year Cycles Paced by Meltwater–Climate Feedback

Geophysical Research Letters, 2023
Climatic warming following the Last Glacial Maximum caused the southern Laurentide Ice Sheet (LIS) to begin ∼2,000‐year cycles of retreat and readvance whose cause remains ambiguous.
Andrew D. Wickert, Carlie Williams, Lauren J. Gregoire, Kerry L. Callaghan, Ruža F. Ivanović, Paul J. Valdes, Lael Vetter, Carrie E. Jennings   +7 more
doaj   +1 more source