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Jorge Rubén Valdés Saavedra

Academico

UNIVERSIDAD DE ANTOFAGASTA

Antofagasta, Chile

Sedimentologia; Geoquimica; Paleoceanografia; Contaminacion acuatica

Ciencias Ambientales, UNIVERSIDAD DE CONCEPCION. Chile, 1999

Académico Full Time

UNIVERSIDAD DE ANTOFAGASTA

Ciencias de Mar y de Recursos Biológicos

Antofagasta, Chile

1999 - A la fecha

Acedemico Full Time

Universidad de Antofagasta

Antofagasta, Chile

1999 - A la fecha


Ana María Zárate, July Ziret Florez, Edgardo Angulo, Lourdes Varela-Prieto, Cherlys Infante, Fredy Barrios, Beatriz Barraza, D.I Gallardo, Jorge Valdés Ana María Zárate, July Ziret Florez; Edgardo Angulo, Lourdes Varela-Prieto; Cherlys Infante, Fredy Barrios; Beatriz Barraza, D.I Gallardo Article JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY (2017)
Coupling fallout 210Pb and stables isotopes (d13C, d15N) for catchment urbanization reconstruction in southeastern coastal zone of Brazil Cerda, M.; C. Scali, J. Valdés; K. Damasio Macario, R. Meigikos dos Anjos; V. Vogel, F. Lamego Article J. Radioanal. Nucl. Chem. (2016)
Organic matter-clay interaction along a seawater column of the Eastern Pacific upwelling system (Antofagasta bay, Chile): Implications for source rock organic matter preservation Mahamat, A., Boussafir, M., Le Milbeau, C., Guegana,R., Valdès, J., Guiñez, M., Sifeddine, A. & Le Forestier, L. Article MARINE CHEMISTRY (2016)
Contenido de metales en sedimentos y en Emerita análoga (Stimpson, 1857), en bahía Mejillones del Sur, Chile GUIÑEZ, MARCOS, JORGE VALDÉS & ALEXIS CASTILLO Article Latin American Journal of Aquatic Research (2015)
Trace metal variability in coastal waters of San Jorge Bay, Antofagasta, Chile: An environmental evaluation and statistical approach to propose local background levels VALDÉS, J., D. ROMÁN, M. GUIÑEZ, L. RIVERA, J. ÁVILA, P. CORTÉS, A. CASTILLO. Article MARINE POLLUTION BULLETIN (2015)
Variabilidad temporal de las masas de agua costeras en bahía San Jorge, Antofagasta, Chile 23°S (2008-2012) DÁVILA, PAOLA M., Y JORGE VALDÉS Article Revista de Biología Marina y Oceanografía (2015)
Anchovy population and ocean-climatic fluctuations in the Humboldt Current System during the last 700 years and their implications. GUIÑEZ, MARCOS, JORGE VALDÉS, ABDEL SIFEDDINE, MOHAMMED BOUSSAFIR, PAOLA M. DÁVILA Article PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY (2014)
Assessing the origin and variability of eolian lithic material for high-resolution paleoceanographic reconstructions off northern Chile (23° S) FLORES-AQUEVEQUE V; GABRIEL VARGAS; STEPHANE ALFARO; SANDRINE CAQUINEAU; JORGE VALDES Article Journal of Sedimentary Research (2014)
Composición de la comunidad procariota involucrada en la producción de nitrógeno en sedimentos de la bahía Mejillones MORAGA, RUBÉN, ALEXANDER GALAN, RAMÓN ROSSELLO-MORA, RUBÉN ARAYA Y JORGE VALDÉS Article Revista de Biología Marina y Oceanografía (2014)
Cu, Pb, and Zn content in sediments and benthic organisms from San Jorge Bay (northern Chile): Accumulation and biotransference in subtidal coastal systems Valdés, J.; Guiñez, M.; Castillo, A.; Vega, S. Article Ciencias Marinas (2014)
Evaluación de la calidad ambiental de los sedimentos marinos en el sistema de bahías de Caldera (27°S), Chile Valdés, J.; Castillo, A. Article Latin American Journal of Aquatic Research (2014)
Phytoplankton biomass profiles in San Jorge Bay (Antofagasta, Chile) based on color imagery Dávila, P.; Vega, S.; Valdés, J. Article Ciencias Marinas (2014)
Redox conditions in a coastal zone of the Humboldt system (Mejillones, 23° S). Influence on the preservation of redox-sensitive metals Valdés, J.; Sifeddine, A.; Boussafir, M.; Ortlieb, L. Article Journal of Geochemical Exploration (2014)
USING IMAGE-BASED SIZE ANALYSIS FOR DETERMINING THE SIZE DISTRIBUTION AND FLUX OF EOLIAN PARTICLES SAMPLED IN COASTAL NORTHERN CHILE (23° S) Flore-Aqueveque, V.; Caquineau, S.; Alfaro, S.; Valdés, J.; Vargas, G. Article Journal of Sedimentary Research (2014)
Heavy metal distribution and enrichment in sediments of Mejillones Bay (23° S), Chile: a spatial and temporal approach Valdés, J. Article Environmental Monitoring and Assessment. (2012)
Heavy metals concentration (Cu, Ni, Zn, Cd, Pb), in biota and sediments of an artificial beach, in San Jorge bay 23°S, northern Chile [Concentración de metales pesados (Cu, Ni, Zn, Cd, Pb) en la biota y sedimentos de una playa artificial, en la bahía San Castro G.; Valdes J. Article Latin American Journal of Aquatic Research (2012)
Metals content in sediments and benthic organisms of San Jorge Bay, Antofagasta, Chile Calderon C.; Valdes J. Article REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2012)
Metal contents in Cancer polyodon (Crustacea: Decapoda) in a bay system of northern Chile (27 degrees S) Castillo A.; Valdes J. Article LATIN AMERICAN JOURNAL OF AQUATIC RESEARCH (2011)
Metal contents in coastal waters of San Jorge Bay, Antofagasta, northern Chile: a base line for establishing seawater quality guidelines Valdes J.; Roman D.; Rivera L.; Avila J.; Cortes P. Article ENVIRONMENTAL MONITORING AND ASSESSMENT (2011)
Distribution and temporal variation of trace metal enrichment in surface sediments of San Jorge Bay, Chile Valdes J.; Roman D.; Guinez M.; Rivera L.; Morales T.; Avila J.; Cortes P. Article ENVIRONMENTAL MONITORING AND ASSESSMENT (2010)
Spatial and temporal variability of water masses, nutrients and sedimentation of organic and inorganic matter, in Mejillones del sur bay (23 degrees S), Chile Cerda M.; Knoppers B.; Valdes J.; Siffedine, AF; Ortlieb L.; Sabadini-Santos E. Article REVISTA CHILENA DE HISTORIA NATURAL (2010)
Elemental composition and metal contents in the marine sediments of Mejillones del Sur Bay, Chile: an environmental assessment of the coastal zone Valdes J.; Sifeddine A. Article LATIN AMERICAN JOURNAL OF AQUATIC RESEARCH (2009)
Interplay between sedimentary organic matter and dissolved oxygen availability in a coastal zone of the Humboldt Current System; Mejillones Bay, northern Chile. VALDÉS, J., A. SIFEDDINE, LUC ORTLIEB, CATHERINE PIERRE Article MARINE GEOLOGY (2009)
Rapid reorganization in ocean biogeochemistry off Peru towards the end of the Little Ice Age Gutierrez D.; Sifeddine A.; Field, DB; Ortlieb L.; Vargas G.; Chavez, FP; Velazco F.; Ferreira V.; Tapia P.; Salvatteci R.; Boucher H.; Morales, MC; Valdes J.; Reyss, JL; Campusano A.; Boussafir M.; Mandeng-Yogo M.; Garcia M.; Baumgartner T. Article BIOGEOSCIENCES (2009)
250 years of sardine and anchovy scale depositation record in Mejillones Bay, Northern Chile VALDÉS, J., L. ORTLIEB, D. GUTIERREZ, L. MARINOVIC, G. VARGAS, A. SIFEDDINE Article PROGRESS IN OCEANOGRAPHY (2008)
Caracterización molecular de las comunidades bacterianas asociadas a sedimentos de un sistema costero del norte de la corriente de Humboldt, bahía de Mejillones del Sur, Chile. ARAYA, R., J. LEIVA & Y J. VALDÉS Article REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2008)
Laminated sediments from the central Peruvian continental slope: A 500 year record of upwelling system productivity, terrestrial runoff and redox conditions Sifeddine A.; Gutierrez D.; Ortlieb L.; Boucher H.; Velazco F.; Field D.; Vargas G.; Boussafir M.; Salvatteci R.; Ferreira V.; Garcia M.; Valdes J.; Caquineau S.; Yogo, MM; Cetin F.; Solís, J.; Soler P.; Baumgartner T. Article PROGRESS IN OCEANOGRAPHY (2008)
Metals content in surface waters of an upwelling system of the northern Humboldt Current (Mejillones Bay, Chile) Valdes J.; Roman D.; Alvarez G.; Ortlieb L.; Guinez M. Article JOURNAL OF MARINE SYSTEMS (2008)
Anoxic sediments off Central Peru record interannual to multidecadal changes of climate and upwelling ecosystem during the last two centuries GUTIERREZ, D., A. SIFEDDINE, J. L. REYSS, G. VARGAS, F. VELAZCO, R. SALVATTECI, V. FERREIRA, L. ORTLIEB, D. FIELD, T. BAUMGARTNER, M. BOUSSAFIR, H. BOUCHER, J. VALDES, L. MARINOVIC, P. SOLER, AND P. TAPIA Article Advances in Geosciences (2006)
Variabilidad estacional de cadmio en un sistema de surgencia costera del norte de Chile (Bahía Mejillones del Sur, 23º S) VALDÉS, J., DOMINGO ROMÁN, PAOLA DÁVILA, LUC ORTLIEB & MARCOS GUÍÑEZ Article REVISTA CHILENA DE HISTORIA NATURAL (2006)
Distribution and enrichment evaluation of heavy metals in Mejillones Bay (23_S), Northern Chile: Geochemical and statistical approach VALDES, J., G. VARGAS, A. SIFEDDINE, L. ORTLIEB, M. GUIÑEZ, Article MARINE POLLUTION BULLETIN (2005)
Paleoseismic inferences from a high-resolution marine sedimentary record in northern Chile (23°S) VARGAS, G., LUC ORTLIEB, EMMANUEL CHAPROND, JORGE VALDES, CARLOS MARQUARD, Article TECTONOPHYSICS (2005)
Partículas de carbón en sedimentos marinos de la bahía Mejillones del Sur (23º S). Implicancias ambientales en un contexto histórico VALDÉS, J., A. SIFEDDINE, CH. MARIANO & L. ORTLIEB Article Investigaciones Marinas (2004)
Petrographic and geochemical study of organic matter in surficial sediments from an upwelling system (Mejillones del Sur bay, northern Chile) VALDÉS, J., A. SIFEDDINE, E. LALLIER-VERGES & L. ORTLIEB Article ORGANIC GEOCHEMISTRY (2004)
Variaciones del sistema de surgencia de Punta Angamos (23º s) y la zona de mínimo oxígeno durante el pasado reciente. Una aproximación desde el registro sedimentario de la bahía Mejillones del Sur. Revista VALDÉS, J., L. ORTLIEB & A. SIFEDDINE Article REVISTA CHILENA DE HISTORIA NATURAL (2003)
Foraminíferos bentónicos recientes en sedimentos micróxicos de la bahía Mejillones del Sur (23º S), Chile PÁEZ, M., O. ZÚÑIGA, J. VALDÉS & L. ORTLIEB Article REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2001)
Paleoxigenación subsuperficial de la columna de agua en la bahía Mejillones del Sur (23o S): Indicadores geoquímicos en testigos de sedimento marino 3. VALDÉS, J., L. ORTLIEB Article Investigaciones Marinas (2001)
Condiciones paleoambientales de sedimentación y preservación de materia orgánica en Bahía Mejillones del Sur (23º S) VALDÉS, J., L. LÓPEZ, S. LOMÓNACO, L. ORTLIEB Article REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2000)
Recording of ocean-climate changes during the last 2,000-years in a hypoxic marine environment off northern Chile (23º S). ORTLIEB, L., ESCRIBANO, R., FOLLEGATI, R., ZÚÑIGA, O., KONG, I., RODRIGUEZ, L., VALDÉS, J., GUZMÁN, N. & IRATCHET, P. Article REVISTA CHILENA DE HISTORIA NATURAL (2000)


Changes in biological productivity and ocean-climatic fluctuations during the last similar to 1.5 kyr in the Humboldt ecosystem off northern Chile (27 degrees S): A multiproxy approach Castillo A.; Valdés J.; Sifeddine A.; Reyss J.-L.; Bouloubassi I.; Ortlieb L. Article ISI SCOPUS PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY (2017)
Heavy metals concentration (Cu, Ni, Zn, Cd, Pb), in biota and sediments of an artificial beach, in San Jorge bay 23 degrees S, northern Chile CASTRO, G; Valdés J. Article ISI SCOPUS Latin American Journal of Aquatic Research (2012)
Metals content in sediments and benthic organisms of San Jorge Bay, Antofagasta, Chile Calderón C; Valdés J. Article ISI REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2012)
Metal contents in Cancer polyodon (Crustacea: Decapoda) in a bay system of northern Chile (27 degrees S) Castillo A.; Valdés J. Article ISI SCIELO SCOPUS Latin American Journal of Aquatic Research (2011)
Metal contents in coastal waters of San Jorge Bay, Antofagasta, northern Chile: a base line for establishing seawater quality guidelines Valdés J.; Román D.; Rivera, L.; Avila J.; Cortes P. Article ISI SCOPUS Environmental Monitoring and Assessment (2011)
Distribution and temporal variation of trace metal enrichment in surface sediments of San Jorge Bay, Chile Valdés J.; Román D.; Guiñez M; Rivera, L.; Morales T.; Avila J.; Cortes P. Article ISI SCOPUS ENVIRONMENTAL MONITORING AND ASSESSMENT (2010)
Spatial and temporal variability of water masses, nutrients and sedimentation of organic and inorganic matter, in Mejillones del sur bay (23 degrees S), Chile Cerda M.; Knoppers, B; Valdés J.; Siffedine, AF; Ortlieb, L.; Sabadini-Santos, E Article ISI REVISTA CHILENA DE HISTORIA NATURAL (2010)
Elemental composition and metal contents in the marine sediments of Mejillones del Sur Bay, Chile: an environmental assessment of the coastal zone Valdés J.; Sifeddine, A. Article ISI SCOPUS Latin american journal of aquatic research (2009)
Rapid reorganization in ocean biogeochemistry off Peru towards the end of the Little Ice Age Gutiérrez D.; Sifeddine, A.; Field, DB; Ortlieb, L.; Vargas G.; Chávez FP; Velazco, F; Ferreira, V; Tapia, P; Salvatteci, R; Boucher H.; Morales, MC; Valdés J.; Reyss, JL; Campusano, A; Boussafir M.; Mandeng-Yogo, M; García, M; Baumgartner, T Article ISI SCOPUS BIOGEOSCIENCES (2009)
Metals content in surface waters of an upwelling system of the northern Humboldt Current (Mejillones Bay, Chile) Valdés J.; Román D.; Alvarez G.; Ortlieb, L.; Guiñez M Article ISI SCOPUS JOURNAL OF MARINE SYSTEMS (2008)


Laminated sediments from the central Peruvian continental slope: A 500 year record of upwelling system productivity, terrestrial runoff and redox conditions Sifeddine, A.; Gutiérrez D.; Ortlieb, L.; Boucher H.; Velazco, F; Field D.; Vargas G.; Boussafir M.; Salvatteci, R; Ferreira, V; García, M; Valdés J.; Caquineau S.; Yogo, MM; Cetin, F; Solis, J.; Soler, P; Baumgartner, T Review ISI SCOPUS PROGRESS IN OCEANOGRAPHY (2008)