Zobrazeno 1 - 10 of 25 pro vyhledávání: '"Martine de Angelis"'
1
Sulfate Spikes in the Deep Layers of EPICA-Dome C Ice Core: Evidence of Glaciological Artifacts
Autor: Bernhard Stauffer, Martine de Angelis, Silvia Becagli, Emiliano Castellano, Matthias Bigler, Margareta E Hansson, Francesco Rugi, Hubertus Fischer, Roberto Udisti, Jørgen Peder Steffensen, Mirko Severi, Rita Traversi, F. Marino
Publikováno v: Environmental Science & Technology. 43:8737-8743
A detailed ionic component record was performed on EPICA Dome C ice core (East Antarctica) to a depth of 3190 m using Ion Chromatography and Fast Ion Chromatography (FIC). At depths greater than 2800 m, the sulfate profile shows intense, sharp spikes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f88daa230db71d36bfadcc7e5579181
https://doi.org/10.1021/es901426y
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2
The 4700 aB.P. volcanic signal detected in Vostok BH8 ice core, Antarctica
Autor: Leibao Liu, Jean R. Petit, Jiancheng Kang, Jefferson Cardia Simões, Martine de Angelis
Publikováno v: Chinese Science Bulletin. 50:2636-2639
The detailed electrical conductivity measurement (ECM), trace chemical compositions and microparticles concentration analysis are performed for BH8 ice core from the depth of 126.0m to 130.0m at Vostok Station. At depth 128.7m, a volcanic signal 4726
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9a897dfc3fe2fea7b3ad9d473b2893b
https://doi.org/10.1007/bf03183662
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3
DNA signature of thermophilic bacteria from the aged accretion ice of Lake Vostok, Antarctica: implications for searching for life in extreme icy environments
Autor: Martine de Angelis, Irina A. Alekhina, Vladimir Ya. Lipenkov, V. V. Lukin, Dominika M. Wloch, Jean-Robert Petit, Michel Blot, Dietmar Wagenbach, Dominique Raynaud, Lada P. Vasilyeva, Sergey A. Bulat
Publikováno v: International Journal of Astrobiology. 3:1-12
We have used 16S ribosomal genes to estimate the bacterial contents of Lake Vostok accretion ice samples at 3551 m and 3607 m, both containing sediment inclusions and formed 20000–15000 yr ago. Decontamination proved to be a critical issue, and we
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e5e215f19fbabf4b8b1353fa2e108f5f
https://doi.org/10.1017/s1473550404001879
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4
Linking Antarctic glaciochemical records to past climate conditions (scientific paper)
Autor: Robert J., Delmas, Martine, De Angelis, Yoshiyuki, Fujii, Kumiko, Goto-Azuma, Kokichi, Kamiyama, Jean-Robert, Petit, Okitsugu, Watanabe
Publikováno v: Memoirs of National Institute of Polar Research. Special issue. 57:105-120
Deep Antarctic ice cores document the former states of the climatic system, the atmosphere, and the marine and terrestrial biospheres. However, questions do remain in the interpretation and the reliability of ice core chemical profiles in terms of at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::73635ec5dee716ef911fb8cc5d46aacf
http://id.nii.ac.jp/1291/00002467/
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5
High crystalline quality of large single crystals of subglacial ice above Lake Vostok (Antarctica) revealed by hard X-ray diffraction
Autor: Maurine Montagnat, O. Brissaud, Paul Duval, Martine de Angelis, Pierre Bastie, Bernard Hamelin, Jean-Robert Petit, Vladimir Ya. Lipenkov
Publikováno v: Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science. 333:419-425
X-ray diffraction experiments were carried out on large ice crystals from accreted ice above Lake Vostok, a subglacial lake lying beneath the East Antarctic ice sheet. Results indicate a surprisingly very low lattice distortion. This crystalline qual
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::faf0df2e040b5a6b9eab4d878ff3a85a
https://doi.org/10.1016/s1251-8050(01)01667-6
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6
Light carboxylic acids in Greenland ice: A record of past forest fires and vegetation emissions from the boreal zone
Autor: Martine de Angelis, Michel Legrand
Publikováno v: Journal of Geophysical Research: Atmospheres. 101:4129-4145
Measurements of light carboxylic acids (formate, HCOO−; acetate, CH3COO−; glycolate, C2H3O3−; and oxalate, C2O4−−) were performed along Summit (central Greenland) ice cores covering the last two centuries and a complete glacial-interglacial
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d400ba954ebdf606c602db1c53c0030c
https://doi.org/10.1029/95jd03296
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7
Origins and variations of light carboxylic acids in polar precipitation
Autor: Martine de Angelis, Michel Legrand
Publikováno v: Journal of Geophysical Research: Atmospheres. 100:1445-1462
Central Greenland and East Antarctic ice cores have been studied to investigate the carboxylic acid (acetate, CH 3 COO - ; formate, HCOO - ; glycolate, C 2 H 3 O 3 - ; and oxalate, C 2 O 4 -- ) content of high-latitude precipitation. The two records
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9dee6bc6711a3bb21932919c8dc4ca9
https://doi.org/10.1029/94jd02614
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8
Springtime changes in snow chemistry lead to new insights into mercury methylation in the Arctic
Autor: Christophe Ferrari, Dominique Schneider, Martine de Angelis, Daniel Cossa, Nicolas Soumis, Aurélien Dommergue, Nicolas Marusczak, Catheririe Larose, Bernard Averty
Publikováno v: Geochimica et Cosmochimica Acta
Geochimica et Cosmochimica Acta, Elsevier, 2010, 74 (22), pp.6263-6275. ⟨10.1016/j.gca.2010.08.043⟩
Geochimica Et Cosmochimica Acta (0016-7037) (Pergamon-elsevier Science Ltd), 2010-11, Vol. 74, N. 22, P. 6263-6275
Seasonal snow is an active media and an important climate factor that governs nutrient transfer in Arctic ecosystems. Since the snow stores and transforms nutrients and contaminants, it is of crucial importance to gain a better understanding of the d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::800dcd523f2e3508f669e57a44703bff
https://hal-insu.archives-ouvertes.fr/insu-00562243
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9
A promising location in Patagonia for paleoclimate and paleoenvironmental reconstructions revealed by a shallow firn core from Monte San Valentín (Northern Patagonia Icefield, Chile)
Autor: Sigfus J Johnsen, Martine de Angelis, Gino Casassa, Bernard Pouyaud, Françoise Vimeux, Patrick Ginot, Sonia Falourd, Olivier Magand
Publikováno v: Journal of Geophysical Research: Atmospheres
Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2008, 113 (D16118), 1 à 20 p. ⟨10.1029/2007JD009502⟩
JOURNAL OF GEOPHYSICAL RESEARCH
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Journal of Geophysical Research: Atmospheres, 2008, 113 (D16118), 1 à 20 p. ⟨10.1029/2007JD009502⟩
International audience; The study of past climate variability from ice core investigations has been largely developed both in polar areas over the past decades and, more recently, in tropical regions, specifically along the South American Andes betwe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b30a01fe55c6b59f18d0ccd46180f92
https://hal-insu.archives-ouvertes.fr/insu-00381108
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10
Reconstruction of millennial changes in dust transport, emission and regional sea ice coverage using the deep EPICA ice cores from the Atlantic and Indian Ocean sector of Antarctica
Autor: Emiliano Castellano, Vania Gaspari, Urs Ruth, A. Morganti, Manuel A. Hutterli, Birthe Twarloh, Urs Federer, Jørgen Peder Steffensen, Anna Wegner, Margareta Hansson, Silvia Becagli, Hubertus Fischer, Carlo Barbante, Fabrice Lambert, Martine de Angelis, Felix Fundel, Matthias Bigler, Regine Röthlisberger, Patrik R Kaufmann, Robert Mulvaney, Roberto Udisti, Mirko Severi, Paolo Gabrielli, Dietmar Wagenbach, Geneviève C Littot, Claude F. Boutron, Marie-Louise Siggaard-Andersen, Ulf Jonsell, Eric W. Wolff
Publikováno v: EPIC3Earth and Planetary Science Letters, 260, pp. 340-354
Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 2007, 260 (1-2), pp.340 à 354. ⟨10.1016/j.epsl.2007.06.014⟩
University of Copenhagen
International audience; Continuous sea salt and mineral dust aerosol records have been studied on the two EPICA (European Project for Ice Coring in Antarctica) deep ice cores. The joint use of these records from opposite sides of the East Antarctic p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::079ea70597238c98ad19d8620aa3cf95
https://hdl.handle.net/10013/epic.27070
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