Results 21 to 30 of about 26,538 (206)

Statistics of the recurrence rate analysis for U1308 benthic δ18O, U1308 bulk carbonate δ18O and NGRIP δ18O

open access: yes, 2022
Statistics of the recurrence rate analysis for U1308 benthic δ18O, U1308 bulk carbonate δ18O (Hodell and Channell, 2016) and NGRIP δ18O (Rasmussen et al., 2014).
Bagniewski, Witold   +2 more
core   +1 more source

Bunker cave stalagmites: An archive for central European Holocene climate variability [PDF]

open access: yes, 2012
Holocene climate was characterised by variability on multi-centennial to multi-decadal time scales. In central Europe, these fluctuations were most pronounced during winter.
Richter, Detlev K.   +39 more
core   +2 more sources

Characteristics of δ18O and δD in precipitation and its water vapor sources in the upper Urumqi River basin,Eastern Tianshan

open access: yesShui kexue jinzhan, 2013
The stable isotopes characteritics of hydrogen and oxygen in precipitation is an important aspect of the regional isotope hydrologic cycle. The variations of δD and δ18O values in event-based precipitation samples are analyzed. The samples were collected
FENG Fang   +4 more
doaj   +1 more source

Marine Anoxia and Ocean Acidification During the End‐Permian Extinction

open access: yesGeophysical Monograph Series, Page 325-340., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ying Cui   +4 more
wiley  

+4 more sources

Isotopes of oxygen-18 and deuterium in precipitation in Slovakia / Izotopy kyslíka-18 A deutéria v zrážkach na Slovensku

open access: yesJournal of Hydrology and Hydromechanics, 2012
Príspevok syntetizuje dostupné údaje o izotopickom zložení zrážok na území Slovenska (Západné Karpaty). Hodnotí koreláciu hodnôt δ18O v kumulatívnych mesačných zrážkach z rokov 1988-1997 medzi jednotlivými stanicami, vplyv nadmorskej výšky, teploty ...
Holko Ladislav   +3 more
doaj   +1 more source

Interpretation of stalagmite δ18O in East Asian summer monsoon region: Based on the relationship between summer monsoon and summer monsoon rainfall

open access: yes地质科技通报, 2022
The climate significance of stalagmite δ18O values from the East Asian monsoon region are still under much debated during the past years. The bone of contention focuses on whether the stalagmite δ18O can reflect the summer monsoon intensity or summer ...
Jianjun Yin
doaj   +1 more source

δ18O of tree rings of beech (Fagus silvatica) as a record of δ18O of the growing season precipitation [PDF]

open access: yes, 1997
The measurement of δ18O in cellulose of tree rings is a potential means to reconstruct δ18O variations of precipitation and climate. We present δ18O data from cellulose of 3 beech trees (Fagus silvatica) growing on a relatively dry site in Switzerland ...
Leuenberger, M., Borella, S., Saurer, M.
core   +1 more source

Spatiotemporal Variation of Hydrogen and Oxygen Stable Isotopes in the Yarlung Tsangpo River Basin, Southern Tibetan Plateau

open access: yesFrontiers in Earth Science, 2021
Characterization of spatiotemporal variation of the stable isotopes δ18O and δD in surface water is essential to trace the water cycle, indicate moisture sources, and reconstruct paleoaltimetry.
Ya-Ni Yan   +7 more
doaj   +1 more source

DIATOM METHODS | δ18O Records.

open access: yes, 2006
Diatom siica is a form of biogenic opal that contains oxygen isotopes which can be used in lacustrine and marine paleoenvironmental studies. Diatom δ18O is a useful indicator of paleoenvironmental conditions, reflecting either the temperature or the ...
Leng, M.J., Barker, Philip
core   +4 more sources

Interpretation of Oxygen Isotopes in Phanerozoic Ophiolites and Sedimentary Rocks

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Two reactive transport models were developed to integrally simulate fluxes of oxygen isotopes from hydrothermal alteration of oceanic crust and weathering of continental rocks for a better understanding of the regulation of oxygen isotopes in the ocean ...
Yoshiki Kanzaki
doaj   +1 more source

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