Search Results - "Ortlieb, Luc"

Multifarious anchovy and sardine regimes in the Humboldt Current System during the last 150 years by Salvatteci, Renato, Field, David, Gutiérrez, Dimitri, Baumgartner, Tim, Ferreira, Vicente, Ortlieb, Luc, Sifeddine, Abdel, Grados, Daniel, Bertrand, Arnaud

“…The Humboldt Current System (HCS) has the highest production of forage fish in the world, although it is highly variable and the future of the primary…”
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Fish debris in sediments from the last 25 kyr in the Humboldt Current reveal the role of productivity and oxygen on small pelagic fishes by Salvatteci, Renato, Gutierrez, Dimitri, Field, David, Sifeddine, Abdel, Ortlieb, Luc, Caquineau, Sandrine, Baumgartner, Tim, Ferreira, Vicente, Bertrand, Arnaud

“…•Anchovy and other fishes fluctuated from multidecadal to millennial timescales.•Productivity appears as the main factor controlling small pelagic fish…”
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Enhancement of coastal upwelling and interdecadal ENSO-like variability in the Peru-Chile Current since late 19th century by Vargas, Gabriel, Pantoja, Silvio, Rutllant, José A., Lange, Carina B., Ortlieb, Luc

“…Secular trends in coastal upwelling proxies from a sediment record at 23°S encompassing 250 years reveal two distinct stages separated by a transition period…”
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250 years of sardine and anchovy scale deposition record in Mejillones Bay, northern Chile by Valdés, Jorge, Ortlieb, Luc, Gutierrez, Dimitri, Marinovic, Luis, Vargas, Gabriel, Sifeddine, Abdel

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Stable isotopes and sclerochronology of the bivalve Mesodesma donacium: Potential application to Peruvian paleoceanographic reconstructions by Carré, Matthieu, Bentaleb, Ilhem, Blamart, Dominique, Ogle, Neil, Cardenas, Freddy, Zevallos, Sheyla, Kalin, Robert M., Ortlieb, Luc, Fontugne, Michel

“…Reconstructing the past ENSO (El Niño Southern Oscillation) interannual variability requires very high resolution sea surface temperature (SST) proxies. In…”
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Nyctemeral variations of magnesium intake in the calcitic layer of a Chilean mollusk shell ( Concholepas concholepas, Gastropoda) by Lazareth, Claire E., Guzman, Nury, Poitrasson, Franck, Candaudap, Frederic, Ortlieb, Luc

“…Mollusk shells are increasingly used as records of past environmental conditions, particularly for sea-surface temperature (SST) reconstructions. Many recent…”
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Simposio Internacional «15 000 años de clima y hombre en los Andes centrales, Enfoques paleoclimatológicos y arqueológicos by Ortlieb, Luc

“…El Simposio internacional «15 000 años de Clima y Hombre en los Andes Centrales, Enfoques paleoclimatológicos y arqueológicos» que se llevó a cabo en Lima…”
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Influence of coastal upwelling and El Niño–Southern Oscillation on nearshore water along Baja California and Chile: Shore-based monitoring during 1997–2000 by Takesue, Renee K., van Geen, Alexander, Carriquiry, José D., Ortiz, Eduardo, Godínez-Orta, Lucio, Granados, Ivette, Saldívar, Marco, Ortlieb, Luc, Escribano, Rubén, Guzman, Nury, Castilla, Juan Carlos, Varas, Manuel, Salamanca, Marco, Figueroa, Claudia

“…In order to determine the sensitivity of coastal upwelling tracers to seasonal wind forcing and El Niño–Southern Oscillation (ENSO) off Baja California and…”
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Subdaily growth patterns and organo-mineral nanostructure of the growth layers in the calcitic prisms of the shell of Concholepas concholepas Bruguière, 1789 (Gastropoda, Muricidae) by Guzman, Nury, Ball, Alexander D, Cuif, Jean-Pierre, Dauphin, Yannicke, Denis, Alain, Ortlieb, Luc

“…Fluorochrome marking of the gastropod Concholepas concholepas has shown that the prismatic units of the shell are built by superimposition of isochronic growth…”
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A warm interglacial episode during oxygen isotope stage 11 in northern Chile by Ortlieb, Luc, Diaz, Amanda, Guzman, Nury

“…Combined paleontological, morphostratigraphic and geochronologic data from emerged Middle Pleistocene coastal deposits in Mejillones Peninsula (23°S), northern…”
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Human-induced metals accumulation in sediments of an industrialized bay of northern Chile. An enrichment and ecological risk assessment based on preindustrial values by Valdés, J., Ortlieb, Luc, Sifeddine, A., Castillo, A.

“…Environmental assessment in marine systems is difficult because most of the time their preindustrial characteristics are not available. Four sediment cores…”
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Extreme ENSO-driven torrential rainfalls at the southern edge of the Atacama Desert during the Late Holocene and their projection into the 21th century by Ortega, Cristina, Vargas, Gabriel, Rojas, Maisa, Rutllant, José A., Muñoz, Práxedes, Lange, Carina B., Pantoja, Silvio, Dezileau, Laurent, Ortlieb, Luc

“…Extreme precipitation events and multi-annual droughts, especially in arid to semi-arid subtropical regions, are among the most critical El Niño Southern…”
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ENSO tropical–extratropical climate teleconnections and mechanisms for Holocene debris flows along the hyperarid coast of western South America (17°–24°S) by Vargas, Gabriel, Rutllant, José, Ortlieb, Luc

“…El Niño, the warm phase of the ENSO cycle, involves ocean-climate anomalies in the tropical Pacific Ocean and in the extratropics, which frequently result in…”
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Coastal cooling and increased productivity in the main upwelling zone off Peru since the mid-twentieth century by Gutiérrez, Dimitri, Bouloubassi, Ioanna, Sifeddine, Abdelfettah, Purca, Sara, Goubanova, Katerina, Graco, Michelle, Field, David, Méjanelle, Laurence, Velazco, Federico, Lorre, Anne, Salvatteci, Renato, Quispe, Daniel, Vargas, Gabriel, Dewitte, Boris, Ortlieb, Luc

“…We reconstructed a high‐resolution, alkenone‐based sea surface temperature (SST) record spanning the last ca. 150 years, from a sediment core retrieved within…”
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Changes in biological productivity and ocean-climatic fluctuations during the last ~ 1.5 kyr in the Humboldt ecosystem off northern Chile (27°S): A multiproxy approach by Castillo, Alexis, Valdés, Jorge, Sifeddine, Abdelfettah, Reyss, Jean-Louis, Bouloubassi, Ioanna, Ortlieb, Luc

“…A sedimentary box core (BIAC072014) collected in a coastal environment in the Humboldt Current Ecosystem (HCE, Inglesa Bay, ~27°S, northern Chile) was used to…”
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Abrupt increase in the coastal uplift and earthquake rate since ∼40 ka at the northern Chile seismic gap in the Central Andes by González-Alfaro, José, Vargas, Gabriel, Ortlieb, Luc, González, Gabriel, Ruiz, Sergio, Báez, Juan C., Mandeng-Yogo, Magloire, Caquineau, Sandrine, Álvarez, Gabriel, del Campo, Francisco, del Río, Ian

“…Over long-term geological scales, the position and vertical movements of the coast are considered to be among the most important effects resulting from…”
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A new 20th century lake sedimentary record from the Atacama Desert/Chile reveals persistent PDO (Pacific Decadal Oscillation) impact by Cerda, Mauricio, Evangelista, Heitor, Valdés, Jorge, Siffedine, Abdelfettah, Boucher, Hugues, Nogueira, Juliana, Nepomuceno, Aguinaldo, Ortlieb, Luc

“…The Atacama Desert lakes located at high altitudes with very low anthropogenic impacts preserve great potential to recover regional climate changes and…”
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Centennial to millennial-scale changes in oxygenation and productivity in the Eastern Tropical South Pacific during the last 25,000 years by Salvatteci, R., Gutierrez, D., Sifeddine, A., Ortlieb, L., Druffel, E., Boussafir, M., Schneider, R.

“…Oxygen minimum zones (OMZ) have expanded in all tropical oceans during the last 50 years resulting in habitat contraction and considerable changes in marine…”
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Changes in biological productivity and ocean-climatic fluctuations during the last ~1.5kyr in the Humboldt ecosystem off northern Chile (27°S): A multiproxy approach by Castillo, Alexis, Valdés, Jorge, Sifeddine, Abdelfettah, Reyss, Jean-Louis, Bouloubassi, Ioanna, Ortlieb, Luc

“…A sedimentary box core (BIAC072014) collected in a coastal environment in the Humboldt Current Ecosystem (HCE, Inglesa Bay, ~27°S, northern Chile) was used to…”
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Change in El Niño flavours over 1958–2008: Implications for the long-term trend of the upwelling off Peru by Dewitte, B., Vazquez-Cuervo, J., Goubanova, K., Illig, S., Takahashi, K., Cambon, G., Purca, S., Correa, D., Gutierrez, D., Sifeddine, A., Ortlieb, L.

“…The tropical Pacific variability has experienced changes in its characteristics over the last decades. In particular, there is some evidence of an increased…”
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