Agosto, 2017
Contreras, S., Werne, J.P., Araneda, A. Distribution of plant wax derived n- alkanes and alkanoic acids from lacustrine sediments and climatology along the western side of the Andes. Goldschmidt, 2017 – París, Francia.
Mayo, 2017
Fuentes, C., Esguerra, D., Contreras, S., Pozo, K., Moscoso, J. Composición y Biomasa Zooplanctónica en el Golfo de Arauco Durante el Período Comprendido entre Otoño – Primavera 2016 y su Relación con Eventos de Surgencia. Congreso de Ciencias del Mar, 2017 – Valparaíso, Chile.
Abril, 2017
Placencia, J., Llanos, G., Contreras, S. Organic carbon sources across salinity gradients in Chilean Fjords: Reloncaví Fjord (~41ºS) and Southern Patagonian ice fields area (~48ºS). EGU General Assembly, 2017 – Vienna, Austria.
Noviembre, 2016
Contreras, S., Werne, J.P., Araneda, A., Conejero, A.C. Evaluando el porcentaje e isótopos estables de carbono y nitrógeno orgánico total en sedimentos superficiales lacustres como indicadores de gradientes climáticos a lo largo de la costa oeste de Sudamérica. I Congreso Iberoamericano de Limnología y XIII Congreso de la Sociedad de Limnología 2016 – Valdivia, Chile.
Bustamante-Ortega, R., Contreras, S., Pino, Yazmin. Cuantificando del aporte terrígeno al Lago Lanalhue, Región del Biobío-Chile, mediante el uso de indicadores orgánicos e inorgánicos. I Congreso Iberoamericano de Limnología y XIII Congreso de la Sociedad de Limnología 2016 – Valdivia, Chile.
Enero, 2016
Pozo, K., Torres, M., Pribylova, P., Paredes, L., Contreras, S. Hidrocarburos Aromáticos en sedimentos superficiales de la Bahía Concepción, Chile. 32° Congreso Latinoamericano de Química CLAQ 2016, Talcahuano, Chile.
Diciembre, 2015
Contreras, S., Werne, J.P., Araneda, A., Conejero, A.C. Evaluating carbon isotope signature of bulk organic matter and plant wax derived n-alkanes from lacustrine sediments as climate proxies along the western side of the Andes. American Geophysical Union Fall Meeting 2015 – San Francisco, California, USA.
Diciembre, 2014
Contreras, S., Werne, J.P., Brown, E.T., Halbur J., R., Sinninghe Damsté, J., Schouten, S., Correa-Metrio, A., Fawcett, P.J. Evaluating spatial heterogeneity and environmental variability inferred from branched glycerol dialkyl glycerol tetraethers (GDGTs) distribution in soils from Valles Caldera, New Mexico. American Geophysical Union Fall Meeting 2014 – San Francisco, California, USA.
Diciembre, 2012
Contreras, S., Werne, J.P., Brown, E.T., Scott Anderson, R., Fawcett, P.J. Tracking millennial-scale climate variability through the Marine Isotope Stage (MIS) 12 using terrigenous biomarkers in lacustrine sediments from Valles Caldera, New Mexico, USA. American Geophysical Union Fall Meeting 2012 – San Francisco, California, USA.
Werne, J.P., Halbur, J., Contreras, S., Caballero, M., Lozano, S., Correa, A., Fawcett, P.J. Complexities in the use of branched GDGT based temperature reconstruction: Case studies from the southwest USA and Mexico. American Geophysical Union Fall Meeting 2012 – San Francisco, California, USA.
Noviembre, 2012
Werne, J.P., Johnson, T.C., Abbott, A., Berke, M., Contreras, S., Halbur, J., Brown, E.T., Schouten, S., Sinninghe Damste, J.S. A 1.2 MA history of temperature and hydroclimate in the Lake Malawi Basin. The Geological Society of America (GSA) Annual Meeting and Exposition 2012 – Charlotte, North Carolina, USA.
Aogosto, 2012
Contreras, S., Werne, J.P., Brown, E.T., Scott Anderson, R., Fawcett, P.J. Tracking millennial-scale climate variability through the Marine Isotope Stage (MIS) 12 using terrigenous biomarkers in lacustrine sediments from Valles Caldera, New Mexico, USA. Gordon Research Conferences in Organic Geochemistry – Holderness, New Hampshire, USA.
Diciembre, 2011
Contreras, S., Werne, J.P., Brown, E.T., Scott Anderson, R., Fawcett, P.J. Climate variability during the Marine Isotope Stage (MIS) 12-11 transition recorded in lacustrine sediments from Valles Caldera, New Mexico, USA. American Geophysical Union Fall Meeting 2011 – San Francisco, California, USA.
Fawcett, P.J., Brown, E.T., Werne, J.P., Contreras, S., Scott Anderson, R., Dodd, J.P., Sharp, Z.D., Heikoop, J.M., Allen, C.D. Millennial-scale climate variability during a mid-Pleistocene glacial (MIS 12) from a terrestrial record in the Valles Caldera, New Mexico. American Geophysical Union Fall Meeting 2011 – San Francisco, California, USA.
Agosto, 2011
Meister, P., Contreras, S., Liu, B., Khalili, A., Ferdelman, T.G., Kuypers, M., Jørgensen, B.B. Dynamic subsurface biosphere fuelled by organic matter from the past. Goldschmidt Conference 2011 – “Earth, life and fire”, Prague, Czech Republic
Diciembre, 2010
Kalvelage, T., Contreras, S., Paulmier, A., LaRoche, J., Stramma, L., Frank, M., Lavik, G., Kuypers, M.M.M. Extent and oxygen control of pelagic nutrient removal in the OMZ off Peru. American Geophysical Union Fall Meeting 2010 – San Francisco, California, USA.
Junio, 2009
Rincón-Martinez, D., Contreras, S., Lamy, F., Tiedemann, R. Are glacials (interglacial) in the easternmost Pacific Ocean drier (wetter) during the last 300 000 years? Goldschmidt Conference 2009 – “Challenges to Our volatile Planet”, Davos, Switzerland.
Mayo, 2004
Sepúlveda, J., Pantoja, S., Hughen, K., Lange, C., Gonzalez, F., Muñoz, P., Rebolledo, L., Castro, R., Contreras, S., Avila, A., Rossel, P., Lorca, G., Salamanca, M. and Silva, N. 2005. Export productivity over the last century from sediments of Canal Puyuhuapi (44°S). XXI National meeting of Marine Sciences, University of Valparaíso, Valparaíso, Chile.
Mayo, 2001
Ahumada R., Rudolph, A. & Contreras, S. Heavy metals content (Zn, Co, Ni, Ba, Cr, V, Cu, Sr, Pb and Cd) in the Magallanes Strait, Chile”. XXI National meeting of Marine Sciences, University of Valparaíso, Valparaíso, Chile.
Octubre, 2000
Gay Mitchelson-Jacob & Sergio Contreras Quintana “Optical variability in Concepción Bay, Chile. From in situ and satellite measurements”. Oceans from Space, Venice 2000, Venice, Italy.
Octubre, 1998
Ahumada R., Rudolph, A., Pérez, C. & Contreras, S. “Methodological aspects to evaluate the impact produced by the sewage of organic matter in to a body water”. IV Meeting of analytical and environmental chemistry, Católica del Norte University, Antofagasta, Chile.
Mayo, 1998
Ahumada R. & Contreras, S. 1998. “Trace metal contents (Zn, Co, Ni, Ba, Cr, V, Cu, Sr, Pb and Cd) in the fjord’s region from Campos de Hielo Sur”. XVIII National meeting of Marine Sciences, Arturo Prat University, Iquique, Chile.
Mayo, 1997
Ahumada R. & Contreras, S. 1997. “Hypothesis over the source of cadmium content in two Bays from central Chile”. XVII National meeting of Marine Sciences, University of Chile, Santiago, Chile.
Mayo, 1996
Contreras, S., J. A. Gallardo; C. Hernández & J. M. Cancino. 1996. “Study of the macroinfauna in the sandy beach from Lenga, San Vicente Bay (Region VIII)”. XVI National meeting of Marine Sciences, University of Concepción, Concepción, Chile.
