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Source : Hypotheses.org

Acquisition of isotopic composition for surface snow in East Antarctica and the links to climatic parameters

celiaeschst (13 janv. 2017)

Abstract: The isotopic compositions of oxygen and hydrogen in ice cores are invaluable tools for the reconstruction of past climate variations. Used alone, they give insights into the variations of the local temperature, whereas taken together they can provide information on the climatic conditions ...

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Source : Hypotheses.org

MEMBERSHIP

celiaeschst (17 sept. 2015)

Membership is open to everyone interested in the objectives of AFEQ-CNF INQUA. The annual subscription is due on 1st January. Members are offered a special rate for the four annual issues of QUATERNAIRE. ————– Use the form Send your complete references with your payment to the treasurer : ...

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Source : Hypotheses.org

ACQUISITION OF ISOTOPIC COMPOSITION FOR SURFACE SNOW IN EAST ANTARCTICA AND LINKS TO CLIMATIC PARAMATERS (The Cryosphere, 10, 1–16, 2016, doi:10.5194/tc-10-1-2016)

celiaeschst (27 juin 2016)

The isotopic composition of oxygen and deuterium in surface snow from East Antarctica varies primarily as a function of the local temperature. The snow that is deposited undergoes metamorphism (modification of grain shapes), as well as densification under the weight of overlying layers. These two ...

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Source : Hypotheses.org

CONTACT

celiaeschst (17 sept. 2015)

President – Franck BASSINOT Laboratoire des Sciences du Climat et de l’Environnement (CEA/CNRS/UVSQ), Domaine du CNRS – bâtiment 12, Avenue de la Terrasse 91198 GIF-SUR-YVETTE cedex e-mail : bassinot@lsce.ipsl.fr Vice-President – Jean-Jacques BAHAIN Département de Préhistoire du Muséum ...

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Source : Hypotheses.org

Mission report : Evaluation of the warm marine air intrusion at the French Antarctic station Dumont d’Urville using water stable isotopes as an atmospheric tracer

Landais, Amaëlle (3 mars 2017)

The first results of water vapour monitoring at the coastal station Dumont d'Urville will help to link the isotopes records from ice cores to the ice-ocean-atmosphere interactions. During the austral summer 2016-17, an infrared spectrometer monitoring water stable isotopes in the vapour has been ...

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Source : Hypotheses.org

Holocene scientific day

celiaeschst (24 sept. 2015)

Holocène : Quels forçages, quelles réponses? affiche_sgf_reunion_specialisee_holocene

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Source : Hypotheses.org

Tritium modeling in precipitation

celiaeschst (24 sept. 2015)

The implementation of tritium in a GCM, and subsequent model-data comparison with a large available dataset, is a useful complement to the existing approach of using stable water isotope tracers. The method promises to provide better constraints on: (1) the intrusions and transport of air masses ...

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Source : Hypotheses.org

Indian monsoon variations during three contrasting climatic periods: The Holocene, Heinrich Stadial 2 and the last interglacial–glacial transition

celiaeschst (24 sept. 2015)

In contrast to the East Asian and African monsoons the Indian monsoon is still poorly documented throughout the last climatic cycle (last 135,000 years). Pollen analysis from two marine sediment cores (NGHP-01-16A and NGHP-01-19B) collected from the offshore Godavari and Mahanadi basins, both ...

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Source : Hypotheses.org

Stable oxygen isotope evidence for mobility in mediaeval and post-mediaeval Trondheim, Norway

celiaeschst (5 sept. 2016)

Immigration and mobility in the mediaeval and post-mediaeval periods in Norway has, up until now, mainly been discussed on the basis of historical sources. This paper presents the results of stable oxygen isotope (d18O) analyses of the 1st and 3rd molars from 95 individuals from mediaeval and post- ...

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