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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


Evaluation of redox-sensitive metals in marine surface sediments influenced by the oxygen minimum zone of the Humboldt Current System, Northern Chile Castillo, Alexis; Valdés, Jorge; Sifeddine, Abdel; Vega, Sue-Ellen; Díaz-Ochoa, Javier; Marambio, Yery Article INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH (2019)
Geologic and anthropogenic sources of contamination in settled dust of a historic mining port city in northern Chile=> health risk implications TAPIA, J; VALDÉS, J; ORREGO, R; TCHERNITCHIN, A; DORADOR, C; BOLADOS, A; HARROD, Ch. Article PEERJ (2018)
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)
Burkholderia tropica as a Potential Microalgal Growth-Promoting Bacterium in the Biosorption of Mercury from Aqueous Solutions Zárate A.; Florez J.; Angulo E.; Varela-Prieto L.; Infante C.; Barrios F.; Barraza B.; Gallardo D.I.; Valdés J. Article ISI SCOPUS JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY (2017)
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)
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 Ahmat A.; Boussafir M.; Le Milbeau C.; Guegan R.; Valdés J.; Guiñez M; Sifeddine, A.; Le Forestier L. Article ISI SCOPUS 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)
Metals content in sediments and Emerita analoga (Stimpson, 1857) in South Mejillones Bay, Chile Guiñez M; Valdés J.; Castillo A. Article ISI SCOPUS Latin American Journal of Aquatic Research (2015)
Temporal variability of the coastal water masses at San Jorge Bay, Antofagasta, Chile 23°S, (2008-2012) [Variabilidad temporal de las masas de agua costeras en bahía San Jorge,Antofagasta, Chile 23°S (2008-2012)] Dávila P.M.; Valdés J. Article SCOPUS Revista de Biologia Marina y Oceanografia (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.; Román D.; Guiñez M; Rivera, L.; Avila J.; Cortes P.; Castillo A. Article ISI SCOPUS 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 M; Valdés J.; Sifeddine, A.; Boussafir M.; Dávila P.M. Article ISI SCOPUS PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY (2014)
ASSESSING THE ORIGIN AND VARIABILITY OF EOLIAN LITHIC MATERIAL FOR HIGH-RESOLUTION PALEOCEANOGRAPHIC RECONSTRUCTIONS OFF NORTHERN CHILE (23 degrees S) Flores-Aqueveque, V; Vargas G.; Alfaro,S.; Caquineau S.; Valdés J. Article ISI SCOPUS JOURNAL OF SEDIMENTARY RESEARCH (2014)
Assessment of environmental quality of marine sediments in the bay system Caldera (27° S), Chile [Evaluación de la calidad ambiental de los sedimentos marinos en el sistema de bahías de Caldera (27°S), Chile] Valdés J.; Castillo A. Article SCOPUS Latin American Journal of Aquatic 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 [Contenido de Cu, Pb y Zn en sedimentos y organismos bentónicos de la bahía San Jorge (norte de Chile): Acumulación y biotransferencia en sistemas costeros submareales] Valdés J.; Guiñez M; Castillo A.; Vega S.E. Article SCOPUS 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)
Phytoplankton biomass profiles in San Jorge Bay (Antofagasta, Chile) based on color imagery [Obtención de perfiles de biomasa fitoplanctónica en bahía San Jorge (Antofagasta, Chile) a partir de imágenes en color] Dávila P.M.; Díaz S.-H.; Valdés J. Article SCOPUS Ciencias Marinas (2014)
Prokaryotic community composition involved production of nitrogen in sediments of Mejillones Bay [Composición de la comunidad procariota involucrada en la producción de nitrógeno en sedimentos de la bahía Mejillones] Moraga, R; Galan, A; Rossello-Mora, R; Araya, R; Valdés J. Article SCOPUS Revista de Biologia Marina y Oceanografia (2014)
Redox conditions in a coastal zone of the Humboldt system (Mejillones, 23 degrees S). Influence on the preservation of redox-sensitive metals Valdés J.; Sifeddine, A.; Boussafir M.; Ortlieb, L. Article ISI SCOPUS 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 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)
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)
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)
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) Valdés J.; Román D.; Alvarez G.; Ortlieb, L.; Guiñez M Article ISI SCOPUS 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)


Preface to "Continental and coastal marine records of centennial to millennial changes in South American climate since the last glacial maximum" Sifeddine, A.; Meyers P.A.; Valdés J.; da Silva P.L.D. Editorial SCOPUS Palaeogeography, Palaeoclimatology, Palaeoecology (2014)


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)