Results 1 to 10 of about 21,960 (229)

Paleoclimate-induced stress on polar forested ecosystems prior to the Permian–Triassic mass extinction [PDF]

Scientific Reports, 2022
The end-Permian extinction (EPE) has been considered to be contemporaneous on land and in the oceans. However, re-examined floristic records and new radiometric ages from Gondwana indicate a nuanced terrestrial ecosystem response to EPE global change ...
Erik L. Gulbranson, Morgan M. Mellum, Valentina Corti, Aidan Dahlseid, Brian A. Atkinson, Patricia E. Ryberg, Gianluca Cornamusini   +6 more
doaj   +2 more sources

Advancing subsurface biosphere and paleoclimate research: ECORD–ICDP–DCO–J-DESC–MagellanPlus Workshop Series Program Report [PDF]

Scientific Drilling, 2015
The proper pre-drilling preparation, on-site acquisition and post-drilling preservation of high-quality subsurface samples are crucial to ensure significant progress in the scientifically and societally important areas of subsurface biosphere and ...
H. J. Mills, J. de Leeuw, K.-U. Hinrichs, F. Inagaki, J. Kallmeyer   +4 more
doaj   +1 more source

Drivers of winter Arctic sea ice variability

npj Climate and Atmospheric Science
Winter Arctic sea ice concentration (SIC) variability reflects both anthropogenic warming and internal climate variability, but separating their Arctic signatures remains difficult.
P. Vaideanu, C. Stepanek, D. R. Nichita, M. Dima, M. Ionita, G. Lohmann   +5 more
doaj   +1 more source

Breaking records under clear skies: the impact of sunshine duration and atmospheric dynamics on the 2024 Eastern European extreme summer temperatures

npj Natural Hazards
The summer of 2024 marked an unprecedented climatic milestone, with global temperatures surpassing the 1.5 °C threshold above pre-industrial levels.
M. Ionita, P. Vaideanu, D. Nichita, V. Nagavciuc   +3 more
doaj   +1 more source

Assessment of the southern polar and subpolar warming in the PMIP4 last interglacial simulations using paleoclimate data syntheses [PDF]

Climate of the Past
Given relatively abundant paleo-proxies, the study of the last interglacial (LIG, ∼ 129–116 000 years ago, ka) is valuable to understanding the responses and feedback of the Southern Ocean and Antarctica in a warmer-than-preindustrial climate.
Q. Gao, Q. Gao, Q. Gao, E. Capron, L. C. Sime, R. H. Rhodes, R. Sivankutty, X. Zhang, B. L. Otto-Bliesner, M. Werner   +9 more
doaj   +1 more source

Windblown Diatoms for Reconstructing Westerly Wind Variability in the South Atlantic Sector of the Southern Ocean

Geophysical Research Letters
Southern Hemisphere westerly winds are important drivers of Antarctic and sub‐Antarctic environmental change. Short observational wind records prevent us from fully understanding the scope of their variability.
Dieter R. Tetzner, Elizabeth R. Thomas, Claire S. Allen, Delia Segato, Shaun Miller   +4 more
doaj   +1 more source

H11 meltwater and standard 127 ka Last Interglacial simulations suggest more modest peak temperatures for both Greenland and Antarctica: a multi-model study of water isotopes [PDF]

Climate of the Past
The Last Interglacial (LIG) period, approximately 130 000 to 115 000 years ago, represents one of the warmest intervals of the past 800 000 years. Here, we simulate water isotopes in precipitation over Antarctica and the Arctic during the LIG, using ...
L. C. Sime, R. Sivankutty, I. Malmierca-Vallet, S. Goursaud Oger, S. Goursaud Oger, A. N. LeGrande, E. L. McClymont, A. de Boer, A. Cauquoin, M. Werner   +9 more
doaj   +1 more source

Calcium Nodules as a Proxy for Quaternary Paleoclimate Change on China's Loess Plateau. [PDF]

PLoS ONE, 2015
Different proxies have been used to investigate Quaternary paleoclimate change. Here, we used weathering of calcium nodules in paleosols on China's Loess Plateau as a proxy for Quaternary paleoclimate changes to provide an alternative indicator of these ...
Wenming He, Hongming He, Mingyong Zhu
doaj   +1 more source

Glacier fluctuations in the northern Patagonian Andes (44°S) imply wind-modulated interhemispheric in-phase climate shifts during Termination 1

Scientific Reports, 2022
The Last Glacial Termination (T1) featured major changes in global circulation systems that led to a shift from glacial to interglacial climate. While polar ice cores attest to an antiphased thermal pattern at millennial timescales, recent well-dated ...
Rodrigo L. Soteres, Esteban A. Sagredo, Michael R. Kaplan, Mateo A. Martini, Patricio I. Moreno, Scott A. Reynhout, Roseanne Schwartz, Joerg M. Schaefer   +7 more
doaj   +1 more source

Climate-Provenance Effect on the Organic Matter Enrichment of the Chang 9 Source Rocks in the Central Ordos Basin, China

Geofluids, 2021
The Upper Triassic Chang 9 organic-rich sediments have been considered as effective hydrocarbon source rocks for the Mesozoic petroleum system in the Ordos Basin.
Ling Ma, Zhihuan Zhang, Weiqiu Meng
doaj   +1 more source