• Grado académico: Doctor en Oceanografía. Universidad de Concepción, Concepción, Chile.
  • Correo electrónico: scontreras@ucsc.cl
  • Teléfono: 56-41-2345272

Líneas de Investigación:

  • Biogeoquímica aplicada al estudio de cambios oceanográficos, ambientales y climáticos



Pérez-Santos, I., Díaz, P.A., Silva, N., Garreaud, R., Montero, P., Henríquez-Castillo, C., Barrera, F., Linford, P., Amaya, C., Contreras, S., Aracena, C., Pinilla, E., Altamirano, R., Vallejos, L., Pavez, J., Maulen, J. 2021. Oceanography time series reveals annual asynchrony input between oceanic and estuarine waters in Patagonian fjords, Science of the Total Environment 798, 149241. *

Véquaud, P., Derenne, S., Thibault, A., Anquetil, C, Bonanomi, G., Collin S., Contreras, S., Nottingham, A., Sabatier, P., Salinas, N., Scott, W.P., Werne, J.P., Huguet, A. 2021. Development of global temperature and pH calibrations based on bacterial 3-hydroxy fatty acids in soils. Biogeosciences Discuss. 18 (12), 3937-3959, doi.org/ 10.5194/bg-18-3937-2021. *

Wesley P. S., Contreras, S., Bowen, G.J., Arnold, T.E., Bustamante-Ortega, R., Werne, J.P. 2021 Lake water based isoscape in central-south Chile reflects meteoric water, Scientific Reports 11 (875), doi:10.1038/s41598-021-87566-4. *

Ruiz-Ruiz, PA, Contreras S, Urzúa A, Quiroga E, Rebolledo L. 2021. Fatty acid biomarkers in three species inhabiting a high latitude Patagonian fjord (Yendegaia Fjord, Chile), Polar Biology doi.org/10.1007/s00300-020-02788-y. *

Ruiz-Ruiz, PA, Contreras S, Quiroga E, Urzúa A. 2021. Bioenergetic traits of three keystone marine species in the food web of a pristine Patagonian fjord. Journal of Sea Research, 167, 101984, doi.org/10.1016/j.seares.2020.101984. *


Cerda-Peña, Contreras S, Rau J. 2020. Molecular n-alkyl leaf waxes of three dominant plants from the temperate forest in South America. Organic Geochemistry 149, 104105, doi:10.1016/j.orggeochem.2020.104105. *

Cifuentes G, Contreras S, Cerda-Peña. 2020. Evaluation of the Foliar Damage That Threatens a Millennial-Age Tree, Araucaria araucana (Molina) K. Koch, Using Leaf Waxes. Forests 11(1), 59, https://doi.org/10.3390/f1101005


C. Johnson, Werne, J.P., Brown, E.T., Abbott, A., Berke, M., Steinman, B.A., Halbur, J., Contreras, S., Grosshuesch, S., Sinninghe Damsté, J.S. 2016. A progressively wetter climate in southern East Africa over the past 1.3 million years. Nature online doi:10.1038/nature19065.

Contreras, S., Werne, J.P., Brown, E.T., Anderson, R.S., Fawcett, P.J. 2016. A molecular isotope record of climate variability and vegetation response in southwestern North America during mid-Pleistocene glacial/interglacial cycles. Palaeogeography, Palaeoclimatology, Palaeoecology 459, 338–347.


Pozo, K., Kukučka, P., Vaňková, L., Přibylová, P., Klánová, P., Rudolph, A., Banguera, Y., Monsalves, J., Contreras, S., Barra, R. Ahumada, R. 2015. Polybrominated Diphenyl Ethers (PBDEs) in Concepción Bay, central Chile after the 2010 Tsunami. Marine Pollution Bulletin, 95(1), 480–483, doi:10.1016/j.marpolbul.2015.03.011.


Brunner, B., Contreras, S., M.F. Lehmann, O. Matantseva, M. Rollog, T. Kalvelage, G. Klockgether, G. Lavik, M.S.M. Jetten, B. Kartal and M.M.M. Kuypers. 2013. Nitrogen isotope effects induced by anammox bacteria. Proceedings of the National Academy of Sciences 110(47), 18994–18999, doi:10.1073/pnas.1310488110

Contreras, S., P. Meister, B. Liu, X. Prieto-Mollar, K. Hinrichs, A. Khalili, T. G. Ferdelman, M.M.M. Kuypers, and B.B. Jørgensen. 2013. Cyclic 100 ka (glacial-interglacial) migration of sub-seafloor redox zonation on the Peruvian shelf”. Proceedings of the National Academy of Sciences, 110(45), 18098–18103, doi:10.1073/pnas.1305981110.

Schunck, H., Lavik, G., Desai, D.K., Großkopf, T., Kalvelage, T., Loescher, C., Contreras, S., Paulmier, A., Mußman, M., Holtappels, M., Rosenstiel, P., Schillhabel, M., Graco, M., Siegel, H., Schmitz, R.A., Kuypers, M.M.M., LaRoche, J. 2013. Giant Sulfidic Plume in the Oxygen Minimum Zone off Peru Supports Chemolithoautotrophy. PLoS ONE, 8(8): e68661. doi:10.1371/journal.pone.0068661.

Galbraith, E., Kienast, M., Robinson, R.S., Albuquerque, L., Altabet, M., Batista , F., Bianchi, D., Calvert, D., Contreras, S., Crosta, X., De Pol Holz, R., Dubois, N., Etourneau, J., Francois, R., Hsu, T-Ch, Ivanochko, T., Jaccard, S., Kao, S-J, Kiefer, T., Kienast, S., Lehmann, M.F., Martinez, P., McCarthy, Meckler, A., M., Mix, A., Möbius, J., Pedersen, T., Pichevin, L., Quan, T.M., Robinson, R., Ryabenko, E., Schmittner, A., Schneider, R., Schneider-Mor, A., Shigemitsu, M., Sinclair, D., Somes, C., Studer, A., Tesdal, J-E, Thunell, R., Yang, J-Y, 2013. The acceleration of oceanic denitrification during deglacial warming. Nature Geoscience, 6, doi: 10.1038/NGEO1832.

Kalvelage, T., Lavik, G. Contreras, S. Arteaga, L. Lam, P., Löscher, C., Oschlies, A., Paulmier, A., Stramma, L. and M.M.M. Kuypers, 2013. Nitrogen cycling driven by organic matter in the South Pacific oxygen minimum zone. Nature Geoscience, 6, doi: 10.1038/NGEO1739.


Robinson, R.S., Kienast, M., Albuquerque, L., Altabet, M., Contreras, S., De Pol Holz, R., Dubois, N., Francois, R., Galbraith, E., Hsu, T-Ch, Ivanochko, T., Jaccard, S., Kao, S-J, Kiefer, T., Lehmann, M.F., Martinez, P., McCarthy, M., Möbius, J., Pedersen, T., Quan, T.M., Ryabenko, E., Schmittner, A., Schneider, R., Schneider-Mor, A., Shigemitsu, M., Sinclair, D., Somes, C., Studer, A., Thunell, R., Yang, J-Y, 2012. A review of nitrogen isotopic alteration in marine sediments, Paleoceanography, 27, PA4203, doi:10.1029/2012PA002321



2021 – 2023. “Paleo-LINCGLOBAL: la dimensión temporal del Antropoceno y los impactos del Cambio Global en lagos en Iberoamérica”. Proyecto de Cooperación Científica Iberoamericana. Consejo Superior de Investigaciones Científicas del Ministerio de Ciencia e Innovación Española INCGLO0029. Investigador Principal.

2020 – 2022 “Applicability of bacterial membrane lipids as temperature and pH proxies in continental settings” Proyecto de Intercambio Francia-Chile. Programa de Cooperación Científica ECOS-ANID (N°190011). Investigador Principal.

2020 – 2022 “Determining the sensitivity of lake sediment proxies to late Holocene climate variability: a test from a longitudinal study in Northern Patagonia across the Andes” FONDECYT REGULAR (N° 1201277).  Co-Investigador.

2019 – 2021 “Assessing a regional hydroclimate signal from southern South America for the last two millennia through a suite of lake sediment biogeochemical records” FONDECYT REGULAR (N° 1190398). Investigador principal.

2019 – 2021 “The impact of wildfire severity on soil pyrogenic carbon across contrasting fire-prone ecosystems in central Chile: Temporal dynamics and related-effects on soil properties.” FONDECYT REGULAR (N° 1191905). Co-Investigador.

2018 – 2020  “Hydroclimatic influence on estuarine-land interactions in northern Chilean Patagonia (Reloncaví fjord): Impacts on organic matter, sustainable resources, and human health” FONDECYT (N° 3180307). Co-Investigador.

2016-2018. Constraining the hydroclimate gradient in Southern South America using molecular isotopic proxies. FONDECYT REGULAR 1160719. Investigador CIBAS que participa: Dr. Sergio Contreras (Investigador Principal) y Dra. Karla Pozo (Co-Investigador).

2016-2018. Persistent Organic Pollutants (POPs) and emergent compounds (EC) in the marine food web of Central Chile: What is the influence of emergent pollutants such as Microplastics? FONDECYT REGULAR 1161673. Investigador CIBAS que participa: Dra. Karla Pozo (Investigador Principal) y Dr. Sergio Contreras (Co-Investigador).

2015-2016. Proyecto interno UCSC para incentivar y propulsar la postulación a fondos externos de investigación. IPFE_01/2015. Investigador CIBAS que participa: Dr. Sergio Contreras (Investigador Principal).

2014-2016. Restringiendo la variabilidad hidroclimática del sur de Sudamérica a través de proxies geoquímicos lacustres CONICYT-PAI 79130036. Investigador CIBAS que participa: Dr. Sergio Contreras (Investigador Principal).

2014-2015. “Dynamic of air-water and sediment-water exchange of Persistent Organic Pollutants (POPs): What is the role of Concepción Bay in the local and regional distribution of POPs in Central Chile?”. FONDECYT REGULAR 1130329. Investigador CIBAS que participa: Dra. Karla Pozo (Investigador Principal) y Dr. Sergio Contreras (Co-Investigador).