Search Results - "Couapel, Martine"

Improving memory effect correction to achieve high‐precision analysis of δ17O, δ18O, δ2H, 17O‐excess and d‐excess in water using cavity ring‐down laser spectroscopy by Vallet‐Coulomb, Christine, Couapel, Martine, Sonzogni, Corinne

“…Rationale The precision obtained in routine isotope analysis of water (δ17O, δ18O, δ2H, 17O‐excess and d‐excess values) using cavity ring‐down spectroscopy is…”
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The sedimentary record of palaeoenvironments and sea-level change in the Gulf of Carpentaria, Australia, through the last glacial cycle by Reeves, Jessica M., Chivas, Allan R., García, Adriana, Holt, Sabine, Couapel, Martine J.J., Jones, Brian G., Cendón, Dioni I., Fink, David

“…Environmental evolution of the Gulf of Carpentaria region, the world's largest tropical epicontinental seaway, through the last glacial cycle has been…”
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A NEW HELICOSPHAERA‐SYRACOLITHUS COMBINATION COCCOSPHERE (HAPTOPHYTA) FROM THE WESTERN MEDITERRANEAN SEA1 by Couapel, Martine J. J., Beaufort, Luc, Young, and Jeremy R.

“…A new combination coccosphere of the heterococcolithophore Helicosphaera wallichii (Lohman 1902) Okada and McIntyre 1977 and holococcolithophore Syracolithus…”
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A NEW HELICOSPHAERA-SYRACOLITHUS COMBINATION COCCOSPHERE (HAPTOPHYTA) FROM THE WESTERN MEDITERRANEAN SEA by Couapel, Martine J. J., Beaufort, Luc, Young, and Jeremy R.

“…A new combination coccosphere of the heterococcolithophore Helicosphaera wallichii (Lohman 1902) Okada and McIntyre 1977 and holococcolithophore Syracolithus…”
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Sea-level and environmental changes since the last interglacial in the Gulf of Carpentaria, Australia: an overview by Chivas, Allan R, Garcı́a, Adriana, van der Kaars, Sander, Couapel, Martine J.J, Holt, Sabine, Reeves, Jessica M, Wheeler, David J, Switzer, Adam D, Murray-Wallace, Colin V, Banerjee, Debabrata, Price, David M, Wang, Sue X, Pearson, Grant, Edgar, N.Terry, Beaufort, Luc, De Deckker, Patrick, Lawson, Ewan, Cecil, C.Blaine

“…The Gulf of Carpentaria is an epicontinental sea (maximum depth 70 m) between Australia and New Guinea, bordered to the east by Torres Strait (currently 12 m…”
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Late Quaternary marginal marine palaeoenvironments of northern Australia as inferred from cluster analysis of coccolith assemblages by Couapel, Martine J.J., Beaufort, Luc, Jones, Brian G., Chivas, Allan R.

“…Cluster analyses (R- and Q-mode) were applied to upper Quaternary coccolith assemblages in a sediment core (MD972132) collected in the Gulf of Carpentaria,…”
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Impact of gamma densitometry on the luminescence signal of quartz grains by Couapel, Martine J. J., Bowles, Christopher J.

“…Most of the marine sediment cores collected in the past 10 years by the ODP and IMAGES programs have been processed using a multi-sensor core logger (MSCL,…”
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Improving memory effect correction to achieve high precision analysis of δ 17 O, δ 18 O δ 2 H, 17 O-excess and d-excess in water using cavity ring-down laser spectroscopy by Vallet-Coulomb, Christine, Couapel, Martine, Sonzogni, Corinne

“…The precision obtained in routine isotope analysis of water (δ O, δ O, δ H, O-excess and d-excess values) by Cavity Ring-Down Spectroscopy is usually below the…”
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Improving memory effect correction to achieve high-precision analysis of δ17 O, δ18 O, δ2 H, 17 O-excess and d-excess in water using cavity ring-down laser spectroscopy by Vallet-Coulomb, Christine, Couapel, Martine, Sonzogni, Corinne

“…RATIONALEThe precision obtained in routine isotope analysis of water (δ17 O, δ18 O, δ2 H, 17 O-excess and d-excess values) using cavity ring-down spectroscopy…”
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Impact of the brine sinking hypothesis on the global oxygen cycle and its triple isotopic composition by Couapel, Martine J.J.

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The African Holocene Humid Period in the Tibesti mountains (central Sahara, Chad): Climate reconstruction inferred from fossil diatoms and their oxygen isotope composition by Yacoub, Abdallah Nassour, Sylvestre, Florence, Moussa, Abderamane, Hoelzmann, Philipp, Alexandre, Anne, Dinies, Michèle, Chalié, Françoise, Vallet-Coulomb, Christine, Paillès, Christine, Darius, Frank, Sonzogni, Corinne, Couapel, Martine, Mazur, Jean-Charles, Kröpelin, Stefan

“…The climate of the African Holocene Humid Period (AHHP) is reconstructed in the Tibesti Volcanic Massif (TVM) in the central Sahara from well-preserved…”
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Effects of leaf length and development stage on the triple oxygen isotope signature of grass leaf water and phytoliths: insights for a proxy of continental atmospheric humidity by Alexandre, Anne, Webb, Elizabeth, Landais, Amaelle, Piel, Clément, Devidal, Sébastien, Sonzogni, Corinne, Couapel, Martine, Mazur, Jean-Charles, Pierre, Monique, Prié, Frédéric, Vallet-Coulomb, Christine, Outrequin, Clément, Roy, Jacques

“…Continental relative humidity (RH) is a key climate parameter, but there is a lack of quantitative RH proxies suitable for climate model–data comparisons…”
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The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO.sub.2 concentration and relative humidity by Outrequin, Clément, Alexandre, Anne, Vallet-Coulomb, Christine, Piel, Clément, Devidal, Sébastien, Landais, Amaelle, Couapel, Martine, Mazur, Jean-Charles, Peugeot, Christophe, Pierre, Monique, Prié, Frédéric, Roy, Jacques, Sonzogni, Corinne, Voigt, Claudia

“…Continental atmospheric relative humidity is a major climate parameter whose variability is poorly understood by global climate models. Models' improvement…”
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The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO 2 concentration and relative humidity by Outrequin, Clément, Alexandre, Anne, Vallet-Coulomb, Christine, Piel, Clément, Devidal, Sébastien, Landais, Amaelle, Couapel, Martine, Mazur, Jean-Charles, Peugeot, Christophe, Pierre, Monique, Prié, Frédéric, Roy, Jacques, Sonzogni, Corinne, Voigt, Claudia

“…Continental atmospheric relative humidity is a major climate parameter whose variability is poorly understood by global climate models. Models' improvement…”
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The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidity by Outrequin, Clément, Alexandre, Anne, Vallet-Coulomb, Christine, Piel, Clément, Devidal, Sébastien, Landais, Amaelle, Couapel, Martine, Mazur, Jean-Charles, Peugeot, Christophe, Pierre, Monique, Prié, Frédéric, Roy, Jacques, Sonzogni, Corinne, Voigt, Claudia

“…Continental atmospheric relative humidity is a major climate parameter whose variability is poorly understood by global climate models. Models' improvement…”
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Diatom-oxygen isotope record from high-altitude Lake Petit (2200 m a.s.l.) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 ka by Cartier, Rosine, Sylvestre, Florence, Pailles, Christine, Sonzogni, Corinne, Couapel, Martine, Alexandre, Anne, Mazur, Jean-Charles, Brisset, Elodie, Miramont, Cecile, Guiter, Frederic

“…In the Mediterranean area, the 4.2 ka BP event is recorded with contrasting expressions between regions. In the southern Alps, the high-altitude Lake Petit…”
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The triple oxygen isotope composition of phytoliths as a proxy of continental atmospheric humidity: insights from climate chamber and climate transect calibrations by Alexandre, Anne, Landais, Amarelle, Vallet-Coulomb, Christine, Piel, Clément, Devidal, Sébastien, Pauchet, Sandrine, Sonzogni, Corinne, Couapel, Martine, Pasturel, Marine, Cornuault, Pauline, Xin, Jingming, Mazur, Jean-Charles, Prié, Frédéric, Bentaleb, Ilhem, Webb, Elizabeth, Chalié, Françoise, Roy, Jacques

“…Continental atmospheric relative humidity (RH) is a key climate parameter. Combined with atmospheric temperature, it allows us to estimate the concentration of…”
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Calcite production by coccolithophores in the south east Pacific Ocean by Beaufort, L., Couapel, M., Buchet, N., Claustre, H., Goyet, C.

“…BIOSOPE cruise covered an oceanographic transect through the centre of the South Pacific Gyre (SPG) from the Marquesas archipelago to the Peru-Chile upwelling…”
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A NEW HELICOSPHAERA ‐ SYRACOLITHUS COMBINATION COCCOSPHERE (HAPTOPHYTA) FROM THE WESTERN MEDITERRANEAN SEA 1 by Couapel, Martine J. J., Beaufort, Luc, Young, and Jeremy R.

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The Lake CHAd Deep DRILLing project (CHADRILL) – targeting  ∼ 10 million years of environmental and climate change in Africa by Sylvestre, Florence, Schuster, Mathieu, Vogel, Hendrik, Abdheramane, Moussa, Ariztegui, Daniel, Salzmann, Ulrich, Schwalb, Antje, Waldmann, Nicolas

“…At present, Lake Chad (∼ 13∘′ N, ∼ 14∘ E) is a shallow freshwater lake located in the Sahel/Sahara region of central northern Africa. The lake is primarily fed…”
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