Search Results - "Beltran, Catherine"

Changes in sea-surface conditions in the Equatorial Pacific during the middle Miocene–Pliocene as inferred from coccolith geochemistry by Rousselle, Gabrielle, Beltran, Catherine, Sicre, Marie-Alexandrine, Raffi, Isabella, De Rafélis, Marc

“…This study presents a new alkenone-derived Sea Surface Temperature (SST) record and δ18ONoelaerhabdaceae data of the 2–5μm carbonate fractions from the IODP…”
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Advances, challenges and prospective of sustainable use of capybara ( Hydrochoerus hydrochaeris ) in Colombia by López-Arévalo, Hugo F, Mesa, Elizabeth, Montenegro, Olga L, Mora-Beltrán, Catherine, Sánchez-Palomino, Pedro, Quiroga, Guillermo, Serrano, Hernán, Cáceres, Rocío, Cáceres, Carlos

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Paleoenvironmental conditions for the development of calcareous nannofossil acme during the late Miocene in the eastern equatorial Pacific by Beltran, Catherine, Rousselle, Gabrielle, Backman, Jan, Wade, Bridget S., Sicre, Marie Alexandrine

“…Repeated monospecific coccolithophore dominance intervals (acmes) of specimens belonging to the Noelaerhabdaceae family—including the genus Reticulofenestra…”
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Warm fjords and vegetated landscapes in early Pliocene East Antarctica by Ohneiser, Christian, Wilson, Gary S., Beltran, Catherine, Dolan, Aisling M., Hill, Daniel J., Prebble, Joseph G.

“…The response of the Antarctic ice sheets to future warming is uncertain. The IPCC are predicting minimal melt from Antarctica while others suggest increased…”
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A composite Pliocene record of sea surface temperature in the central Mediterranean (Capo Rossello composite section – South Sicily) by Beltran, Catherine, Sicre, Marie-Alexandrine, Ohneiser, Christian, Sainz, Matilde

“…The Pliocene (5.33–2.58 Ma) was the last period in the Earth's history when atmospheric CO2 concentrations were similar to today (~400 ppm) and global mean…”
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Environmental changes during marl-limestone formation: evidence from the Gargasian (Middle Aptian) of La Marcouline Quarry (Cassis, SE France) by Beltran Catherine, Rafélis Marc de, Renard Maurice, Moullade Michel, Tronchetti Guy

“…Limestone-marl alternations are usually interpreted to reflect cyclic paleoenvironmental fluctuations linked to Milankovitch-scale climate variations. However,…”
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Fluctuations of sea-water chemistry during Gargasian (Middle Aptian) time. Data from trace-element content (Mg, Sr, Mn, Fe) in hemipelagic carbonates from La Marcouline Quarry (Cassis, SE France) by TRONCHETTI Guy, EMMANUEL Laurent, BELTRAN Catherine, MOULLADE Michel, RENARD Maurice, RAFELIS Marc de

“…In the Lower Aptian historical stratotype area (Cassis-La Bédoule, SE France), a geochemical study of the Gargasian (Middle Aptian) marl-limestone alternations…”
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Southern Ocean temperature records and ice-sheet models demonstrate rapid Antarctic ice sheet retreat under low atmospheric CO2 during Marine Isotope Stage 31 by Beltran, Catherine, Golledge, Nicholas R., Ohneiser, Christian, Kowalewski, Douglas E., Sicre, Marie-Alexandrine, Hageman, Kimberly J., Smith, Robert, Wilson, Gary S., Mainié, François

“…Over the last 5 million years, the Earth’s climate has oscillated between warm (interglacial) and cold (glacial) states. Some particularly warm interglacial…”
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West Antarctic ice volume variability paced by obliquity until 400,000 years ago by Ohneiser, Christian, Hulbe, Christina L., Beltran, Catherine, Riesselman, Christina R., Moy, Christopher M., Condon, Donna B., Worthington, Rachel A.

“…Benthic foraminiferal oxygen isotopic and ice core records have been interpreted to indicate that Antarctic ice volume variations began to be paced by…”
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Evolution of the zonal gradients across the Equatorial Pacific during the Miocene-Pleistocene by Beltran, Catherine, Rousselle, Gabrielle, de Rafélis, Marc, Sicre, Marie-Alexandrine, Labourdette, Nathalie, Schouten, Stefan

“…Combining - and TEX86-derived temperatures and oxygen isotopic values of mixed-layer and thermocline species from the IODP site U1338 (East Equatorial Pacific)…”
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Magneto-biostratigraphic age models for Pleistocene sedimentary records from the Ross Sea by Ohneiser, Christian, Yoo, Kyu-Cheul, Albot, Olga Borisovna, Cortese, Giuseppe, Riesselman, Christina, Lee, Jae Il, McKay, Rob, Bollen, Michael, Lee, Min Kyung, Moon, Heung Soo, Kim, Sunghan, Beltran, Catherine, Levy, Richard, Wilson, Gary S.

“…The Ross Sea is one of the major sites of formation for Antarctic Bottom Water (AABW), a key component of the global ocean overturning circulation. However,…”
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Quantification of low molecular weight n-alkanes in lake sediment cores for paleoclimate studies by Aebig, Christopher H.F., Curtin, Lorelei, Hageman, Kimberly J., Moy, Christopher M., Beltran, Catherine

“…•A method for extracting short chain n-alkanes from sediments was developed.•Loss of short chain n-alkanes in original method was due to volatilization.•Excess…”
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Multiproxy approach for determination of nature and origin of carbonate micro-particles so-called “micarb” in pelagic sediments by Beltran, Catherine, de Rafélis, Marc, Person, Alain, Stalport, Fabien, Renard, Maurice

“…Carbonate fractions of pelagic and hemipelagic sediments may contain significant proportions of microcrystalline (≤ 6 µm) calcitic particles with no specific…”
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Long chain alkenones in the Early Pliocene Sicilian sediments (Trubi Formation — Punta di Maiata section): Implications for the alkenone paleothermometry by Beltran, C., Flores, J.-A., Sicre, M.-A., Baudin, F., Renard, M., de Rafélis, M.

“…The U k′ 37 record and coccolithophorid remains in sediments from the early Pliocene Sicilian Trubi Formation (Punta di Maiata) have been estimated to assess…”
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QUYN by López-Arévalo, Hugo Fernando, Velásquez-Carrillo, Karen Lorena, Mora-Beltrán, Catherine, Raz, Lauren, Checa, Ángela Consuelo, Páez-Torres, Andrés Esteban, Agudelo-Zamora, Henry D.

“…La iniciativa QUYN nace por la necesidad de sistematizar y recopilar los registros de fototrampeo obtenidos en las actividades de docencia e investigación que…”
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Mamíferos (Mammalia) de San José del Guaviare, Colombia by López Arévalo, Hugo Fernando, Morales-Martínez, Darwin Manuel, Mora-Beltrán, Catherine, Calderón-Capote, María C., Cárdenas-González, Catalina, Atuesta-Dimian, Natalia, Melo, Marco J., Ramírez, Wilmer

“…Presentamos los resultados obtenidos durante cuatro años de muestreo de mamíferos en diferentes coberturas vegetales del municipio de San José del Guaviare,…”
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Modeling the selective growth advantage of genetically variant human pluripotent stem cells to identify opportunities for manufacturing process control by Beltran-Rendon, Catherine, Price, Christopher J., Glen, Katie, Stacey, Adrian, Barbaric, Ivana, Thomas, Robert J.

“…The appearance of genetically variant populations in human pluripotent stem cell (hPSC) cultures represents a concern for research and clinical applications…”
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Configuraciones subjetivas de psicólogos ante la vulnerabilidad escolar: el programa HPV by Sandoval Díaz, José Sebastián, Barriga Saavedra, Gabriela, Wylie Beltran, Catherine, Cuadra Martínez, David, Palacios Díaz, Diego, Storey Meza, Roberto

“…El presente estudio tuvo como objetivo conocer las configuraciones subjetivas sobre la vulnerabilidad escolar de psicólogos pertenecientes al programa…”
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Interactions between bats and floral resources in a premontane forest, Valle del Cauca, Colombia by Mora-Beltrán, Catherine, López-Arévalo, Hugo Fernando

“…The study of interaction networks between species is a subject that has drawn increasing attention in recent decades, especially in investigations involving…”
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The Pacific Equatorial Age Transect, IODP Expeditions 320 and 321: Building a 50-Million-Year-Long Environmental Record of the Equatorial Pacific Ocean by Kusali Gamage, Isabella Raffi, Hiroshi Nishi, Heiko Pälike, Mitchell Lyle, Adam Klaus

“…In March 2009, the R/V JOIDES Resolution returned to operations after its extended refit and began with a drilling program ideally suited to its drilling…”
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