Search Results - "Pucéat, Emmanuelle"

A better-ventilated ocean triggered by Late Cretaceous changes in continental configuration by Donnadieu, Yannick, Pucéat, Emmanuelle, Moiroud, Mathieu, Guillocheau, François, Deconinck, Jean- François

“…Oceanic anoxic events (OAEs) are large-scale events of oxygen depletion in the deep ocean that happened during pre-Cenozoic periods of extreme warmth. Here, to…”
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Enhanced erosion and silicate weathering of the West African craton during the late Cretaceous cooling evidenced by mineralogical and Hf Nd isotope proxies by Corentin, Pauline, Pucéat, Emmanuelle, Pellenard, Pierre, Guiraud, Michel, Blondet, Justine, Bayon, Germain, Adatte, Thierry

“…The evolution of oceanic temperatures between the Turonian and the K/T boundary indicates a long-term cooling coincident with a decrease of atmospheric CO2…”
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Late Cretaceous evolution of chemical weathering at the northeastern South American margin inferred from mineralogy and Hf-Nd isotopes by Corentin, Pauline, Pucéat, Emmanuelle, Pellenard, Pierre, Guiraud, Michel, Blondet, Justine, Bayon, Germain, Adatte, Thierry

“…The origin of the global temperature decrease that initiated the last greenhouse-icehouse transition about 90 million years ago still remains debated. Among…”
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Hafnium‑neodymium isotope evidence for enhanced weathering and uplift-climate interactions during the Late Cretaceous by Corentin, Pauline, Pucéat, Emmanuelle, Pellenard, Pierre, Freslon, Nicolas, Guiraud, Michel, Blondet, Justine, Adatte, Thierry, Bayon, Germain

“…The processes initiating the first cooling step of the last greenhouse-to-icehouse transition, from 90 million years ago (Ma) onward still remain enigmatic…”
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Oscillating redox conditions in the Vocontian Basin (SE France) during Oceanic Anoxic Event 2 (OAE 2) by Danzelle, Julien, Riquier, Laurent, Baudin, François, Thomazo, Christophe, Pucéat, Emmanuelle

“…The Cenomanian-Turonian boundary (~94 Ma) was marked by an episode of widespread organic carbon burial largely associated with low oxygen concentrations in…”
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The large-scale evolution of neodymium isotopic composition in the global modern and Holocene ocean revealed from seawater and archive data by Tachikawa, Kazuyo, Arsouze, Thomas, Bayon, Germain, Bory, Aloys, Colin, Christophe, Dutay, Jean-Claude, Frank, Norbert, Giraud, Xavier, Gourlan, Alexandra T., Jeandel, Catherine, Lacan, François, Meynadier, Laure, Montagna, Paolo, Piotrowski, Alexander M., Plancherel, Yves, Pucéat, Emmanuelle, Roy-Barman, Matthieu, Waelbroeck, Claire

“…Neodymium isotopic compositions (143Nd/144Nd or εNd) have been used as a tracer of water masses and lithogenic inputs to the ocean. To further evaluate the…”
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Nitrogen and carbon cycle perturbations through the Cenomanian-Turonian oceanic anoxic event 2 (~94 Ma) in the Vocontian Basin (SE France) by Danzelle, Julien, Riquier, Laurent, Baudin, François, Thomazo, Christophe, Pucéat, Emmanuelle

“…Oceanic Anoxic Event 2, spanning the Cenomanian-Turonian boundary, was an episode of major perturbations in global biogeochemical cycles, characterized by the…”
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Calcareous nannofossil response to Late Cretaceous climate change in the eastern Tethys (Zagros Basin, Iran) by Razmjooei, Mohammad J., Thibault, Nicolas, Kani, Anoshiravan, Dinarès-Turell, Jaume, Pucéat, Emmanuelle, Chin, Shamar

“…Coniacian to Maastrichtian changes in calcareous nannofossil assemblages have been investigated in the eastern Tethyan Shahneshin section (central Zagros…”
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Late Cretaceous erosion and chemical weathering record in the offshore Cape Basin: Source-to-sink system from Hf Nd isotopes and clay mineralogy by Gaitan, Camilo E., Pucéat, Emmanuelle, Pellenard, Pierre, Blondet, Justine, Bayon, Germain, Adatte, Thierry, Israel, Claudine, Robin, Cécile, Guillocheau, François

“…Source-to-sink research has often used sediment fluxes as a fundamental parameter when seeking to understand the perturbations caused by tectonics or climate…”
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Distribution of clay minerals in Early Jurassic Peritethyan seas: Palaeoclimatic significance inferred from multiproxy comparisons by Dera, Guillaume, Pellenard, Pierre, Neige, Pascal, Deconinck, Jean-François, Pucéat, Emmanuelle, Dommergues, Jean-Louis

“…A set of published, unpublished, and new clay mineral data from 60 European and Mediterranean localities allows us to test the reliability of clay minerals as…”
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Water mass exchange and variations in seawater temperature in the NW Tethys during the Early Jurassic: Evidence from neodymium and oxygen isotopes of fish teeth and belemnites by Dera, Guillaume, Pucéat, Emmanuelle, Pellenard, Pierre, Neige, Pascal, Delsate, Dominique, Joachimski, Michael M., Reisberg, Laurie, Martinez, Mathieu

“…Oxygen and neodymium isotope analyses performed on biostratigraphically well-dated fish remains recovered from the Hettangian to Toarcian of the Paris Basin…”
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Carbon cycle and sea-water palaeotemperature evolution at the Middle–Late Jurassic transition, eastern Paris Basin (France) by Pellenard, Pierre, Tramoy, Romain, Pucéat, Emmanuelle, Huret, Emilia, Martinez, Mathieu, Bruneau, Ludovic, Thierry, Jacques

“…A very high-resolution carbon and oxygen stable isotope analysis (bulk-carbonate) of a biostratigraphically well-constrained Callovian–Oxfordian series is…”
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Nd isotope constraints on ocean circulation, paleoclimate, and continental drainage during the Jurassic breakup of Pangea by Dera, Guillaume, Prunier, Jonathan, Smith, Paul L., Haggart, James W., Popov, Evgeny, Guzhov, Alexander, Rogov, Mikhail, Delsate, Dominique, Thies, Detlev, Cuny, Gilles, Pucéat, Emmanuelle, Charbonnier, Guillaume, Bayon, Germain

“…The breakup of Pangea and onset of growth of the Pacific plate led to several paleoenvironmental feedbacks, which radically affected paleoclimate and ocean…”
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Integrated bio- and carbon-isotope stratigraphy of the Upper Cretaceous Gurpi Formation (Iran): A new reference for the eastern Tethys and its implications for large-scale correlation of stage boundaries by Razmjooei, Mohammad J., Thibault, Nicolas, Kani, Anoshiravan, Dinarès-Turell, Jaume, Pucéat, Emmanuelle, Shahriari, Samira, Radmacher, Wiesława, Jamali, Amir Mohammad, Ullmann, Clemens V., Voigt, Silke, Cocquerez, Théophile

“…A high-resolution stratigraphic analysis of the Upper Cretaceous Gurpi Formation has been undertaken in the Shahneshin section (Zagros Basin, Iran). New…”
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Continental weathering as a driver of Late Cretaceous cooling: new insights from clay mineralogy of Campanian sediments from the southern Tethyan margin to the Boreal realm by Chenot, Elise, Deconinck, Jean-François, Pucéat, Emmanuelle, Pellenard, Pierre, Guiraud, Michel, Jaubert, Maxime, Jarvis, Ian, Thibault, Nicolas, Cocquerez, Théophile, Bruneau, Ludovic, Razmjooei, Mohammad J., Boussaha, Myriam, Richard, James, Sizun, Jean-Pierre, Stemmerik, Lars

“…New clay mineralogical analyses have been performed on Campanian sediments from the Tethyan and Boreal realms along a palaeolatitudinal transect from 45° to…”
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Late Cretaceous changes in oceanic currents and sediment sources in the eastern Tethys: insights from Nd isotopes and clay mineralogy by Chenot, Elise, Pucéat, Emmanuelle, Freslon, Nicolas, Deconinck, Jean-François, Razmjooei, Mohammad Javad, Thibault, Nicolas

“…The Late Cretaceous is marked by geodynamical changes including Africa-Eurasia convergence that resulted in the narrowing of the Tethys Ocean and in ophiolite…”
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A mechanism for brief glacial episodes in the Mesozoic greenhouse by Donnadieu, Yannick, Dromart, Gilles, Goddéris, Yves, Pucéat, Emmanuelle, Brigaud, Benjamin, Dera, Guillaume, Dumas, Christophe, Olivier, Nicolas

“…The Mesozoic, perhaps the longest period of warmth during the Phanerozoic Earth history, has been repeatedly affected by short‐lived cold interludes lasting…”
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Evolution of neodymium isotopic signature of seawater during the Late Cretaceous: Implications for intermediate and deep circulation by Moiroud, Mathieu, Pucéat, Emmanuelle, Donnadieu, Yannick, Bayon, Germain, Guiraud, Michel, Voigt, Silke, Deconinck, Jean-François, Monna, Fabrice

“…Neodymium isotopic compositions (εNd) have been largely used for the last fifty years as a tracer of past ocean circulation, and more intensively during the…”
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Stable oxygen isotopes of crocodilian tooth enamel allow tracking Plio-Pleistocene evolution of freshwater environments and climate in the Shungura Formation (Turkana Depression, Ethiopia) by Gardin, Axelle, Pucéat, Emmanuelle, Garcia, Géraldine, Boisserie, Jean-Renaud, Euriat, Adélaïde, Joachimski, Michael M, Nutz, Alexis, Schuster, Mathieu, Otero, Olga

“…This study adopts a new approach describing palaeohydrology and palaeoclimates based on the interpretation of stable oxygen isotopes (δ18Op) recorded in fossil…”
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The Plenus Cold Event Record in the Abyssal DSDP Site 367 (Cape Verde, Central Atlantic): Environmental Perturbations and Impacts on the Nitrogen Cycle by Riquier, Laurent, Cadeau, Pierre, Danzelle, Julien, Baudin, François, Pucéat, Emmanuelle, Thomazo, Christophe

“…The Oceanic Anoxic Event 2, at the Cenomanian-Turonian boundary (∼93.9 Ma), was an episode of widespread burial of organic matter in marine sediments,…”
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