World's Best Scientists 2026 revealed!
Oliver Sonnentag

Oliver Sonnentag

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Environmental Sciences
Canada
2023

D-Index & Metrics

Environmental Sciences

D-Index
67
Citations
16157
World Ranking
1980
National Ranking
72

Biology and Biochemistry

D-Index
64
Citations
15493
World Ranking
9614
National Ranking
329

Research.com Recognitions

  • 2023 - Research.com Environmental Sciences in Canada Leader Award

Overview

Oliver Sonnentag is affiliated with the University of Montreal in Canada and has an extensive research portfolio centered around environmental science and earth and planetary sciences. Their work predominantly covers atmospheric science, global and planetary change, and ecology, with narrower focuses including environmental chemistry and environmental engineering.

Their research topics encompass:

  • Climate change and permafrost
  • Atmospheric and environmental gas dynamics
  • Cryospheric studies and observations
  • Peatlands and wetlands ecology
  • Plant water relations and carbon dynamics
  • Geology and paleoclimatology research
  • Fire effects on ecosystems

Oliver Sonnentag's recent publications include the following papers:

  • "Representativeness of Eddy-Covariance flux footprints for areas surrounding AmeriFlux sites" (2021), published in Agricultural and Forest Meteorology
  • "Expert assessment of future vulnerability of the global peatland carbon sink" (2020), published in Nature Climate Change
  • "Increasing contribution of peatlands to boreal evapotranspiration in a warming climate" (2020), published in Nature Climate Change
  • "Statistical upscaling of ecosystem CO2 fluxes across the terrestrial tundra and boreal domain: Regional patterns and uncertainties" (2021), published in Global Change Biology
  • "FLUXNET-CH 4: a global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands" (2021), published in Earth System Science Data

Frequent co-authors in their work include:

  • E. S. Euskirchen
  • Masahito Ueyama
  • Manuel Helbig
  • Matthias Peichl
  • Ivan Mammarella

Oliver Sonnentag has published numerous articles in key scientific venues, with multiple papers appearing in:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Environmental Research Letters
  • Nature Climate Change
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Agricultural and Forest Meteorology

Best Publications

  • Climate change, phenology, and phenological control of vegetation feedbacks to the climate system

    Andrew D. Richardson;Trevor F. Keenan;Mirco Migliavacca;Youngryel Ryu;Youngryel Ryu

  • Digital repeat photography for phenological research in forest ecosystems

    Oliver Sonnentag;Oliver Sonnentag;Koen Hufkens;Cory Teshera-Sterne;Adam M. Young

  • Representativeness of Eddy-Covariance flux footprints for areas surrounding AmeriFlux sites

    Housen Chu;Xiangzhong Luo;Xiangzhong Luo;Zutao Ouyang;W. Stephen Chan

  • Evaluating remote sensing of deciduous forest phenology at multiple spatial scales using PhenoCam imagery

    Stephen Klosterman;Koen Hufkens;Koen Hufkens;J. M. Gray;E. Melaas

  • Expert assessment of future vulnerability of the global peatland carbon sink

    J. Loisel;A. V. Gallego-Sala;Matthew J. Amesbury;Matthew J. Amesbury;G. Magnan

  • Large loss of CO2 in winter observed across the northern permafrost region

    Susan M. Natali;Jennifer D. Watts;Brendan M. Rogers;Stefano Potter

  • Leaf area index measurements at Fluxnet-Canada forest sites

    Jing M. Chen;Ajit Govind;Oliver Sonnentag;Yongqin Zhang

  • How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach

    Youngryel Ryu;Oliver Sonnentag;Tiit Nilson;Rodrigo Vargas

  • Linking near-surface and satellite remote sensing measurements of deciduous broadleaf forest phenology

    Koen Hufkens;Mark Friedl;Oliver Sonnentag;Bobby H. Braswell

  • Ecological impacts of a widespread frost event following early spring leaf-out

    Koen Hufkens;Mark A. Friedl;Trevor F. Keenan;Oliver Sonnentag;Oliver Sonnentag

  • Using phenocams to monitor our changing Earth: toward a global phenocam network

    Tim B Brown;Kevin R Hultine;Heidi Steltzer;Ellen G Denny

  • Using digital repeat photography and eddy covariance data to model grassland phenology and photosynthetic CO2 uptake

    Mirco Migliavacca;Marta Galvagno;Edoardo Cremonese;Micol Rossini

  • Greenhouse gas (CO2, CH4, H2O) fluxes from drained and flooded agricultural peatlands in the Sacramento-San Joaquin Delta

    Jaclyn A. Hatala;Matteo Detto;Matteo Detto;Oliver Sonnentag;Oliver Sonnentag;Steven J. Deverel

  • On the correct estimation of effective leaf area index: does it reveal information on clumping effects?

    Youngryel Ryu;Tiit Nilson;Hideki Kobayashi;Oliver Sonnentag

  • Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment

    T. F. Keenan;T. F. Keenan;B. Darby;E. Felts;O. Sonnentag;O. Sonnentag

  • Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

    Michael M. Loranty;Benjamin W. Abbott;Daan Blok;Thomas A. Douglas

  • Is the spherical leaf inclination angle distribution a valid assumption for temperate and boreal broadleaf tree species

    Jan Pisek;Oliver Sonnentag;Oliver Sonnentag;Andrew D. Richardson;Matti Mõttus

  • FLUXNET-CH4 Synthesis Activity : Objectives, Observations, and Future Directions

    Sara H. Knox;Robert B. Jackson;Benjamin Poulter;Gavin McNicol

  • Increasing contribution of peatlands to boreal evapotranspiration in a warming climate

    Manuel Helbig;Manuel Helbig;James Michael Waddington;Pavel Alekseychik;Brian D. Amiro

  • Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras

    Youngryel Ryu;Youngryel Ryu;Joseph Verfaillie;Craig Macfarlane;Hideki Kobayashi;Hideki Kobayashi

  • Statistical upscaling of ecosystem CO2 fluxes across the terrestrial tundra and boreal domain: Regional patterns and uncertainties

    Anna Maria Virkkala;Juha Aalto;Juha Aalto;Brendan M. Rogers;Torbern Tagesson;Torbern Tagesson

  • On the uncertainty of phenological responses to climate change, and implications for a terrestrial biosphere model

    Mirco Migliavacca;O. Sonnentag;O. Sonnentag;T. F. Keenan;A. Cescatti

Frequent Co-Authors

Dennis D. Baldocchi
Dennis D. Baldocchi University of California, Berkeley
Andrew D. Richardson
Andrew D. Richardson Northern Arizona University
Donatella Zona
Donatella Zona San Diego State University
Eugénie S. Euskirchen
Eugénie S. Euskirchen University of Alaska Fairbanks
Matthias Peichl
Matthias Peichl Swedish University of Agricultural Sciences
William L. Quinton
William L. Quinton Wilfrid Laurier University
Annalea Lohila
Annalea Lohila Finnish Meteorological Institute
Ankur R. Desai
Ankur R. Desai University of Wisconsin–Madison
Matteo Detto
Matteo Detto Princeton University
Youngryel Ryu
Youngryel Ryu Seoul National University

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