Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Sandrine, Choy"'
1
Along‐Stream Variations in Valley Flank Erosion Rates Measured Using 10 Be Concentrations in Colluvial Deposits From Canyons in the Atacama Desert
Autor: Valeria Zavala, Sébastien Carretier, Sandrine Choy, Rodrigo Riquelme, Stéphane Bonnet, Vincent Regard
Publikováno v: Geophysical Research Letters
Geophysical Research Letters, 2021, 48, ⟨10.1029/2020GL089961⟩
International audience; The widening and deepening of river valleys occur at different rates. This co evolution is largely undocumented over thousands of years. Uncertainties on incision and widening laws limit the ability of models to reproduce eros
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc37668ab541001f1a9b985d5e2578e4
https://doi.org/10.1029/2020gl089961
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2
Delayed sedimentary grains
Autor: Pierre Maffre, Stéphane Bonnet, Sébastien Carretier, Rebekah Harries, Vincent Regard, Laure Guerit, Marcelo Farías, Sandrine Choy
Publikováno v: vEGU21
vEGU21, 0000, à renseigner, Unknown Region. ⟨10.5194/egusphere-egu21-5200⟩
River sediment grains are transported and stored episodically in different reservoirs (terraces, alluvial fans, foreland basin, etc.). The residence time of sediment grains in each reservoir has important implications for the paleo-environmental inte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e77d65969491f78d0fbc0a077f83094
https://doi.org/10.5194/egusphere-egu21-5200
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3
Mineralogical and chemical characterization of supergene copper-bearing minerals: examples from Chile and Burkina Faso
Autor: Rodrigo Riquelme, Mathieu Leisen, Philippe de Parseval, Stéphanie Brichau, Marc Poujol, Sandrine Choy, Eduardo Campos, Janogithan Kathirgamar, Sébastien Carretier, Zia Steven Kahou, Hugo Testa, Guillaume Estrade, Stéphanie Duchêne
Publikováno v: Ore Geology Reviews
Ore Geology Reviews, Elsevier, 2021, 133, pp.104078. ⟨10.1016/j.oregeorev.2021.104078⟩
Ore Geology Reviews, 2021, 133, pp.104078. ⟨10.1016/j.oregeorev.2021.104078⟩
International audience; Using optical microscopy, SEM, EPMA and LA-ICP-MS, we analyzed and characterized the textural features of Cenozoic supergene Cu-bearing minerals from three exotic and two in situ supergene copper mineralization from the Atacam
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31408644bbaa5671a4ccade597daa2ae
https://hal-insu.archives-ouvertes.fr/insu-03161892/document
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4
U-Pb in situ dating and trace elements profiles in chrysocolla and pseudomalachite : Application to supergene copper mineralization
Autor: Stéphanie Duchêne, Mathieu Leisen, Stéphanie Brichau, François-Xavier d'Abzac, Zia Steven Kahou, Sandrine Choy
Over the past two decades, laser ablation coupled with the mass spectrometer has become a major analytical tool for the measurement of isotopic ratios and the determination of trace elements. The improvement of the sensitivity has provided new perspe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7cfc69a736561ed66e0fda349e89ed13
https://doi.org/10.5194/egusphere-egu2020-20802
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5
Along-stream variations in valley flank erosion rates measured using 10Be concentrations in colluvial deposits from Atacama canyons: implications for valley widening
Autor: Stéphane Bonnet, Valeria Zavala, Rodrigo Riquelme, Sébastien Carretier, Sandrine Choy, Vincent Regard
The downstream increase in valley width is an important feature of fluvial landscapes that may be evident to anyone: even if local exceptions exist, wide fluvial valleys in plains are distinctive of narrow upstream mountainous ones. Yet, the processe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::276821c363d3f4f6735a92a1b2137616
https://doi.org/10.5194/egusphere-egu2020-2316
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7
Authigenic 10 Be/ 9 Be ratio signatures of the cosmogenic nuclide production linked to geomagnetic dipole moment variation since the Brunhes/Matuyama boundary
Autor: Didier Bourlès, Valery Guillou, Lucie Menabreaz, Quentin Simon, Luc Beaufort, Franck Bassinot, Nicolas Thouveny, Jean-Pierre Valet, Sandrine Choy
Publikováno v: Journal of Geophysical Research : Solid Earth
Journal of Geophysical Research : Solid Earth, 2016, 121 (11), pp.7716-7741 ⟨10.1002/2016JB013335⟩
Journal of Geophysical Research : Solid Earth, American Geophysical Union, 2016, 121 (11), pp.7716-7741 ⟨10.1002/2016JB013335⟩
Journal Of Geophysical Research-solid Earth (2169-9313) (Amer Geophysical Union), 2016-11, Vol. 121, N. 11, P. 7716-7741
International audience; Geomagnetic dipole moment variations associated with polarity reversals and excursions are expressed by large changes of the cosmogenic nuclide beryllium-10 (10 Be) production rates. Authigenic 10 Be/ 9 Be ratios (proxy of atm
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e28774c4cef9676702bcb9acab3c355
https://doi.org/10.1002/2016jb013335
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8
Measurement and analysis of small pelagic fish condition: A suitable method for rapid evaluation in the field
Autor: Sandrine Choy, Pablo Brosset, Fabrice Pernet, Frédéric Ménard, Elisabeth Van Beveren, Jean-Marc Fromentin, Maria A. Pérez Roda, Jean-Hervé Bourdeix, Jean-Louis Bigot, Claire Saraux
Publikováno v: Journal of Experimental Marine Biology and Ecology
Journal of Experimental Marine Biology and Ecology, Elsevier, 2015, 462, pp.90-97. ⟨10.1016/j.jembe.2014.10.016⟩
Journal Of Experimental Marine Biology And Ecology (0022-0981), 2015-01, Vol. 462, P. 90-97
International audience; As condition is a key variable in population dynamics (especially for survival, growth and reproduction), the use of well-defined and accurate fish condition indices is capital. In particular, condition indices (morphometric,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e810629a3aa520096169686dc400adb6
https://doi.org/10.1016/j.jembe.2014.10.016
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9
Authigenic
Autor: Quentin, Simon, Nicolas, Thouveny, Didier L, Bourlès, Jean-Pierre, Valet, Franck, Bassinot, Lucie, Ménabréaz, Valéry, Guillou, Sandrine, Choy, Luc, Beaufort
Publikováno v: Journal of Geophysical Research. Solid Earth
Geomagnetic dipole moment variations associated with polarity reversals and excursions are expressed by large changes of the cosmogenic nuclide beryllium‐10 (10Be) production rates. Authigenic 10Be/9Be ratios (proxy of atmospheric 10Be production)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f9a8c906325e1a8f64d4a603dd766381
https://pubmed.ncbi.nlm.nih.gov/28163989
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