Search Results - "Sifeddine, Abdelfettah"

Tropical South Atlantic influence on Northeastern Brazil precipitation and ITCZ displacement during the past 2300 years by Utida, Giselle, Cruz, Francisco W., Etourneau, Johan, Bouloubassi, Ioanna, Schefuß, Enno, Vuille, Mathias, Novello, Valdir F., Prado, Luciana F., Sifeddine, Abdelfettah, Klein, Vincent, Zular, André, Viana, João C. C., Turcq, Bruno

“…Recent paleoclimatic studies suggest that changes in the tropical rainbelt across the Atlantic Ocean during the past two millennia are linked to a latitudinal…”
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Diatom-based paleoproductivity and climate change record of the Gulf of Tehuantepec (Eastern Tropical Pacific) during the last ~500 years by Almaraz-Ruiz, Laura, Machain-Castillo, María Luisa, Sifeddine, Abdelfettah, Ruiz-Fernández, Ana Carolina, Sanchez-Cabeza, Joan-Albert, Rodríguez-Ramírez, Alejandro, López-Mendoza, Perla Guadalupe, Mendez-Millan, Mercedes, Caquineau, Sandrine

“…Changes in marine productivity of the last five centuries in the Gulf of Tehuantepec were investigated using a high-resolution record of diatoms, organic…”
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Multi-decadal to centennial hydro-climate variability and linkage to solar forcing in the Western Mediterranean during the last 1000 years by Ait Brahim, Yassine, Wassenburg, Jasper A., Cruz, Francisco W., Sifeddine, Abdelfettah, Scholz, Denis, Bouchaou, Lhoussaine, Dassié, Emilie P., Jochum, Klaus P., Edwards, R. Lawrence, Cheng, Hai

“…Here we present a new composite record from two well-dated speleothem records from two caves in Northern Morocco. The high-resolution record covers the last…”
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Late-Holocene palaeoenvironmental reconstruction from a lake in the Amazon Rainforest-Tropical Savanna (Cerrado) boundary in Brazil using a multi-proxy approach by Milena Souza, Kury, Luciane Silva, Moreira, Renato Campello, Cordeiro, Abdelfettah, Sifeddine, Bruno, Turcq, Nicolás Misailidis, Stríkis, Matheus Simões, Santos

“…As an ecotone, the region between the Amazon Rainforest and Tropical Savanna (Cerrado) biomes is, by definition, more susceptible to climate change. Therefore,…”
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Hydroclimate reconstruction during the last 1000 years inferred from the mineralogical and geochemical composition of a sediment core from Lake-Azuei (Haiti) by Noncent, David, Sifeddine, Abdelfettah, Emmanuel, Evens, Cormier, Marie-Helene, Briceño-Zuluaga, Francisco J, Mendez-Millan, Mercedes, Turcq, Bruno, Caquineau, Sandrine, Valdés, Jorge, Bernal, Juan Pablo, King, John W, Djouraev, Irina, Cetin, Fethiye, Sloan, Heather

“…This study aims to reconstruct the hydro-climatic variations over the last 1000 years in Haiti using mineralogical and geochemical composition of well dated…”
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Publisher Correction: Multi-decadal to centennial hydro-climate variability and linkage to solar forcing in the Western Mediterranean during the last 1000 years by Brahim, Yassine Ait, Wassenburg, Jasper A., Cruz, Francisco W., Sifeddine, Abdelfettah, Scholz, Denis, Bouchaou, Lhoussaine, Dassié, Emilie P., Jochum, Klaus P., Edwards, R. Lawrence, Cheng, Hai

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Dust arriving in the Amazon basin over the past 7,500 years came from diverse sources by Nogueira, Juliana, Evangelista, Heitor, Valeriano, Claudio de Morisson, Sifeddine, Abdelfettah, Neto, Carla, Vaz, Gilberto, Moreira, Luciane S., Cordeiro, Renato C., Turcq, Bruno, Aniceto, Keila Cristina, Neto, Artur Bastos, Martins, Gabriel, Barbosa, Cybelli G. G., Godoi, Ricardo H. M., Shimizu, Marilia H.

“…A large amount of dust from the Sahara reaches the Amazon Basin, as observed with satellite imagery. This dust is thought to carry micronutrients that could…”
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Multidecadal Changes in Marine Subsurface Oxygenation Off Central Peru During the Last ca. 170 Years by Cardich, Jorge, Sifeddine, Abdelfettah, Salvatteci, Renato, Romero, Dennis, Briceño-Zuluaga, Francisco, Graco, Michelle, Anculle, Tony, Almeida, Carine, Gutiérrez, Dimitri

“…Subsurface water masses with permanent oxygen deficiency (oxygen minimum zones, OMZ) are typically associated with upwelling regions and exhibit a high…”
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Contrasted distributions of triterpene derivatives in the sediments of Lake Caçó reflect paleoenvironmental changes during the last 20,000 yrs in NE Brazil by Jacob, Jérémy, Disnar, Jean-Robert, Boussafir, Mohammed, Spadano Albuquerque, Ana Luiza, Sifeddine, Abdelfettah, Turcq, Bruno

“…Lipid fractions extracted from sediment layers deposited in a small Brazilian lake during the last 20,000 yrs were investigated by gas chromatography–mass…”
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Delivery and deposition of organic matter in surface sediments of Lagoa do Caçó (Brazil) by Sifeddine, Abdelfettah, Meyers, Philip A., Cordeiro, Renato Campello, Albuquerque, Ana Luiza S., Bernardes, Marcelo, Turcq, Bruno, Abrão, Jorge João

“…Elemental and isotopic compositions of organic matter in surficial sediments from five transects across Lagoa do Caçó (Brazil) were analyzed to identify the…”
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Pentacyclic triterpene methyl ethers in recent lacustrine sediments (Lagoa do Caçó, Brazil) by Jacob, Jérémy, Disnar, Jean-Robert, Boussafir, Mohammed, Spadano Albuquerque, Ana Luiza, Sifeddine, Abdelfettah, Turcq, Bruno

“…The lipid extracts of sediments collected from the Quaternary filling of a tropical lacustrine series (Lagoa do Caçó, Brazil) were investigated using gas…”
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Synthesis of magnesite at low temperature by dos Anjos, Anna Paola Alves, Sifeddine, Abdelfettah, Sanders, Christian Joshua, Patchineelam, Sambasiva Rao

“…Magnesite formed at relatively low temperatures, 40°C, and atmospheric pressure using the experimental duplications is described in Deelman ( 1999 ). The…”
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Last millennium environmental changes and climate inferences in the Southeastern Atlantic forest, Brazil by Pessenda, Luiz C.R.(USP CENA Laboratório de Carbono), Saia, Soraya E.M.G.(USP CENA Laboratório de Carbono), Gouveia, Susy E.M.(USP CENA Laboratório de Carbono), Ledru, Marie-Pierre(IRD), Sifeddine, Abdelfettah(Institut de Recherche pour le Développement), Amaral, Paula G.C.(USP Instituto de Geociências), Bendassolli, José A.(USP CENA Laboratório Isótopos Estáveis)

“…This study presents paleoenvironmental data based on pollen, elemental and isotopic compositions of organic matter (TOC, N, d13C and d15N) and 14C dating of…”
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Diatom assemblage in a tropical lake of northeastern Brazil by Nascimento, Lilian Rodrigues do(Universidade Federal Fluminense Instituto de Química Departamento de Geoquímica Ambiental), Sifeddine, Abdelfettah(Universidade Federal Fluminense Instituto de Química Departamento de Geoquímica Ambiental,Institute Recherche Development), Torgan, Lezilda Carvalho(Fundação Zoobotânica do Rio Grande do Sul Museu de Ciências Naturais), Albuquerque, Ana Luiza Spadano(Universidade Federal Fluminense Instituto de Química Departamento de Geoquímica Ambiental)

“…The composition and spatial variation of diatom assemblage in surface sediments of Caçó Lake (shallow, mesotrophic and weakly acid lake - Maranhão State,…”
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Amazonia rainforest fires: a lacustrine record of 7000 years by Turcq, B, Sifeddine, A. (UFF, Niteroi (Brazil). Dept. de Geoquimica), Absy, M.L, Soubies, F, Suguio, K, Volkmer-Riberio, C

“…Although human influence dominates present-day Amazonian rainforest fires, old charcoal fragments, buried in the soils or in lacustrine sediments, confirm that…”
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Interdisciplinary paleovegetation study in the Fernando de Noronha Island (Pernambuco State), northeastern Brazil by Pessenda, Luiz C R, Gouveia, Susy E M, Ledru, Marie-Pierre, Aravena, Ramon, Ricardi-Branco, Fresia S, Bendassolli, José A, Ribeiro, Adauto de S, Saia, Soraya E M G, Sifeddine, Abdelfettah, Menor, Eldemar de A, Oliveira, Sônia M B de, Cordeiro, Renato C, Freitas, Angela M de M, Boulet, René, Filizola, Heloisa F

“…The aim of this research was to reconstruct vegetation changes (with climate inferences) that occurred during the Holocene in the Fernando de Noronha Island,…”
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Elucidating the climate and topographic controls on stable isotope composition of meteoric waters in Morocco, using station-based and spatially-interpolated data by Ait Brahim, Yassine, Bouchaou, Lhoussaine, Sifeddine, Abdelfettah, Khodri, Myriam, Reichert, Barbara, Cruz, Francisco W.

“…•A well-constrained altitude effect is imprinted in precipitation stable isotopes.•Stable isotopes reveal a rain shadow effect in the lee of the Atlas…”
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Precipitation changes over the eastern Bolivian Andes inferred from speleothem (δ18O) records for the last 1400 years by Apaéstegui, James, Cruz, Francisco William, Vuille, Mathias, Fohlmeister, Jens, Espinoza, Jhan Carlo, Sifeddine, Abdelfettah, Strikis, Nicolas, Guyot, Jean Loup, Ventura, Roberto, Cheng, Hai, Edwards, R. Lawrence

“…•Composite δ18O record constructed based on ISCAM model to reduce age uncertainties.•The Bolivian record is the southernmost isotopic record from the tropical…”
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System controls of coastal and open ocean oxygen depletion by Pitcher, Grant C., Aguirre-Velarde, Arturo, Breitburg, Denise, Cardich, Jorge, Carstensen, Jacob, Conley, Daniel J., Dewitte, Boris, Engel, Anja, Espinoza-Morriberón, Dante, Flores, Georgina, Garçon, Véronique, Graco, Michelle, Grégoire, Marilaure, Gutiérrez, Dimitri, Hernandez-Ayon, José Martin, Huang, Huai-Hsuan May, Isensee, Kirsten, Jacinto, María Elena, Levin, Lisa, Lorenzo, Alberto, Machu, Eric, Merma, Lander, Montes, Ivonne, SWA, Naqvi, Paulmier, Aurelien, Roman, Michael, Rose, Kenneth, Hood, Raleigh, Rabalais, Nancy N., Salvanes, Anne Gro V., Salvatteci, Renato, Sánchez, Sonia, Sifeddine, Abdelfettah, Tall, Abdoul Wahab, Plas, Anja K. van der, Yasuhara, Moriaki, Zhang, Jing, Zhu, ZY

“…•The epoch of the Anthropocene, a period during which human activity has been the dominant influence on climate and the environment, has witnessed a decline in…”
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Monthly precipitations over semi‐arid basins in Northern Africa: Homogenization and trends by Abahous, Houria, Guijarro, Jose A., Sifeddine, Abdelfettah, Chehbouni, Abdelghani, Ouazar, Driss, Bouchaou, Lhoussaine

“…Long‐term and high quality observed climate data are required to analyse with reduced uncertainty temporal and spatial climate variability. The aim of this…”
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