RESEARCHER PROFILE

Sergio Contreras

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S

Universidad Católica de la Santísima Concepción

Geology and Paleoclimatology ResearchMarine and coastal ecosystemsSoil and Environmental StudiesIsotope Analysis in EcologyPeatlands and Wetlands Ecology

Sergio Contreras works in Geology and Paleoclimatology Research, Marine and coastal ecosystems, Soil and Environmental Studies, Isotope Analysis in Ecology, Peatlands and Wetlands Ecology. Recorded institutional associations include Universidad Católica de la Santísima Concepción.

70Publications
2,234Citations
15H-index

ORCID

Inclusion identifies researchers whose recorded research contributions may inform their university’s understanding of its research community. It does not rank individual research quality or establish current employment.

Selected research works

Up to 100 highly cited works; DOI links open the original research. Counts reflect the collected record, not real-time citation totals.

  1. A review of nitrogen isotopic alteration in marine sediments

    2012 · 370 citations

  2. Nitrogen cycling driven by organic matter export in the South Pacific oxygen minimum zone

    2013 · 342 citations

  3. Oxygen Sensitivity of Anammox and Coupled N-Cycle Processes in Oxygen Minimum Zones

    2011 · 311 citations

  4. Nitrogen isotope effects induced by anammox bacteria

    2013 · 237 citations

  5. Giant Hydrogen Sulfide Plume in the Oxygen Minimum Zone off Peru Supports Chemolithoautotrophy

    2013 · 223 citations

  6. A progressively wetter climate in southern East Africa over the past 1.3 million years

    2016 · 122 citations

  7. More humid interglacials in Ecuador during the past 500 kyr linked to latitudinal shifts of the equatorial front and the Intertropical Convergence Zone in the eastern tropical Pacific

    2010 · 85 citations

  8. FROG: A global machine-learning temperature calibration for branched GDGTs in soils and peats

    2021 · 68 citations

  9. Organic matter geochemical signatures (TOC, TN, C/N ratio, δ13C and δ15N) of surface sediment from lakes distributed along a climatological gradient on the western side of the southern Andes

    2018 · 65 citations

  10. Cyclic 100-ka (glacial-interglacial) migration of subseafloor redox zonation on the Peruvian shelf

    2013 · 48 citations

  11. Fluctuations in export productivity over the last century from sediments of a southern Chilean fjord (44°S)

    2005 · 42 citations

  12. A rainy northern Atacama Desert during the last interglacial

    2010 · 42 citations

  13. Oceanography time series reveals annual asynchrony input between oceanic and estuarine waters in Patagonian fjords

    2021 · 37 citations

  14. Development of global temperature and pH calibrations based on bacterial 3-hydroxy fatty acids in soils

    2021 · 35 citations

  15. Evaluation of Coastal Waters Receiving Fish Processing Waste: Lota Bay as a Case Study

    2003 · 19 citations

  16. Organochlorine pesticides in surface waters from Reloncaví Fjord and the inner sea of Chiloé (~ 39.5°S - 43°S), Chilean Patagonia

    2017 · 15 citations

  17. Unpacking the complexity of longitudinal movement and recruitment patterns of facultative amphidromous fish

    2022 · 15 citations

  18. Interlaboratory Comparison of Branched GDGT Temperature and pH Proxies Using Soils and Lipid Extracts

    2024 · 15 citations

  19. Biogeochemistry of surface sediments off Concepción (∼36°S), Chile: El Niño vs. non-El Niño conditions

    2007 · 13 citations

  20. Characterization and chemo-taxonomic evaluation of plant leaf waxes (long chain n-alkanoic acids, n-alkanes and n-alkanols) as a vegetation biomarker from species of the South American temperate forest (STF)

    2022 · 13 citations

  21. Polybrominated Diphenyl Ethers (PBDEs) in Concepción Bay, central Chile after the 2010 Tsunami

    2015 · 13 citations

  22. Leaf wax composition and distribution of Tillandsia landbeckii reflects moisture gradient across the hyperarid Atacama Desert

    2022 · 12 citations

  23. Molecular n-alkyl leaf waxes of three dominant plants from the temperate forest in South America

    2020 · 10 citations

  24. Abundance and distribution of plant derived leaf waxes (long chain n-alkanes & fatty acids) from lake surface sediments along the west coast of southern South America: Implications for environmental and climate reconstructions

    2023 · 10 citations

  25. Evaluating the isotopic composition of leaf organic compounds in fog-dependent Tillandsia landbeckii across the coastal Atacama Desert: Implications for hydroclimate reconstructions at the dry limit

    2024 · 10 citations

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