2026 Philippe D. Tortell: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	45	4389	4036	201	182	157	9179

Overview

Philippe D. Tortell is affiliated with the University of British Columbia in Canada. Their research spans several interconnected fields, primarily Earth and Planetary Sciences and Environmental Science, with a strong focus on oceanographic and atmospheric processes.

The main areas of study in Tortell's work include:

Marine and coastal ecosystems
Atmospheric and Environmental Gas Dynamics
Methane Hydrates and Related Phenomena
Marine Biology and Ecology Research
Atmospheric chemistry and aerosols
Ocean Acidification Effects and Responses
Arctic and Antarctic ice dynamics

Tortell has published extensively in several scientific venues, frequently contributing to:

Biogeosciences
Limnology and Oceanography Methods
Zenodo (CERN European Organization for Nuclear Research)
Geophysical Research Letters
Global Biogeochemical Cycles

Their collaborative work includes coauthors such as:

Robert Izett
Cara C. Manning
Ross D. McCulloch
David J. Suggett
Yayla Sezginer

Selected recent publications by Tortell include:

Earth 2020: Science, society, and sustainability in the Anthropocene, 2020, Proceedings of the National Academy of Sciences
River Inflow Dominates Methane Emissions in an Arctic Coastal System, 2020, Geophysical Research Letters
Anthropogenic and Climatic Contributions to Observed Carbon System Trends in the Northeast Pacific, 2021, Global Biogeochemical Cycles
Single-Turnover Variable Chlorophyll Fluorescence as a Tool for Assessing Phytoplankton Photosynthesis and Primary Productivity: Opportunities, Caveats and Recommendations, 2021, Frontiers in Marine Science
Improved prediction of dimethyl sulfide (DMS) distributions in the northeast subarctic Pacific using machine-learning algorithms, 2022, Biogeosciences

The body of their research emphasizes the dynamics of marine ecosystems and their interaction with atmospheric gas fluxes, including methane emissions and ocean acidification. Tortell's work integrates biological, chemical, and physical oceanography to better understand processes affecting coastal and polar regions as well as broader planetary change.

Best Publications

Reduced calcification of marine plankton in response to increased atmospheric CO2.

Ulf Riebesell;Ingrid Zondervan;Björn Rost;Philippe D. Tortell

1862
Citations
Nitrogen and oxygen isotope fractionation during dissimilatory nitrate reduction by denitrifying bacteria

Julie Granger;Daniel Mikhail Sigman;Moritz F. Lehmann;Philippe D. Tortell

494
Citations
Metagenome of a Versatile Chemolithoautotroph from Expanding Oceanic Dead Zones

David A. Walsh;Elena Zaikova;Charles G. Howes;Young C. Song

382
Citations
CO2 sensitivity of Southern Ocean phytoplankton

Philippe D. Tortell;Christopher D. Payne;Yingyu Li;Scarlett Trimborn

355
Citations
CO2 effects on taxonomic composition and nutrient utilization in an Equatorial Pacific phytoplankton assemblage

Philippe D. Tortell;Giacomo R. DiTullio;Daniel M. Sigman;François M. M. Morel

348
Citations
The role of heterotrophic bacteria in iron-limited ocean ecosystems

Philippe D. Tortell;Philippe D. Tortell;Maria T. Maldonado;Nell M. Price

321
Citations
Effects of Ocean Acidification on Pelagic Organisms and Ecosystems

J.-P. Gattuso;J. Bijma;M. Gehlen;Ulf Riebesell

305
Citations
Evolutionary and ecological perspectives on carbon acquisition in phytoplankton

Philippe D. Tortell

266
Citations
Microbial community dynamics in a seasonally anoxic fjord: Saanich Inlet, British Columbia.

Elena Zaikova;David A. Walsh;Claire P. Stilwell;William W. Mohn

255
Citations
Marine bacteria and biogeochemical cycling of iron in the oceans

Philippe D Tortell;Maria T Maldonado;Julie Granger;Neil M Price

249
Citations
N and O isotope effects during nitrate assimilation by unicellular prokaryotic and eukaryotic plankton cultures

J. Granger;D.M. Sigman;M.M. Rohde;M.T. Maldonado

226
Citations
Author Correction: A compendium of geochemical information from the Saanich Inlet water column

Mónica Torres-Beltrán;Alyse K. Hawley;David Capelle;Elena Zaikova

225
Citations
Inorganic carbon acquisition in coastal Pacific phytoplankton communities

Philippe D. Tortell;Greg H. Rau;François M. M. Morel

222
Citations
Active uptake of bicarbonate by diatoms

Philippe D. Tortell;John R. Reinfelder;Francois M. M. Morel

198
Citations
Dissolved gas measurements in oceanic waters made by membrane inlet mass spectrometry

Philippe D. Tortell

198
Citations
Global satellite-observed daily vertical migrations of ocean animals

Michael J. Behrenfeld;Peter Gaube;Alice Della Penna;Alice Della Penna;Robert T. O’Malley

175
Citations
From laboratory manipulations to Earth system models: scaling calcification impacts of ocean acidification

A. Ridgwell;D. N. Schmidt;C. Turley;C. Brownlee

161
Citations
Iron Limitation Modulates Ocean Acidification Effects on Southern Ocean Phytoplankton Communities

Clara Jule Marie Hoppe;Christel S Hassler;Christopher D Payne;Philippe Daniel Tortell

126
Citations
Sources of inorganic carbon for phytoplankton in the eastern Subtropical and Equatorial Pacific Ocean

Philippe D. Tortell;François M. M. Morel

119
Citations
Unveiling a phytoplankton hotspot at a narrow boundary between coastal and offshore waters

Francois Ribalet;Adrian Marchetti;Katherine A. Hubbard;Kristina Brown

119
Citations
A method for nitrite removal in nitrate N and O isotope analyses

Julie Granger;Daniel Mikhail Sigman;Maria G. Prokopenko;Moritz F. Lehmann

116
Citations
Inorganic carbon uptake by Southern Ocean phytoplankton

Philippe D. Tortell;Chris Payne;Celine Gueguen;Robert F. Strzepek

96
Citations

Frequent Co-Authors

Maria T. Maldonado University of British Columbia

François M. M. Morel Princeton University

Steven J. Hallam University of British Columbia

Matthew C. Long National Center for Atmospheric Research

Christel S. Hassler École Polytechnique Fédérale de Lausanne

Daniel M. Sigman Princeton University

Maurice Levasseur Université Laval

Ulf Riebesell GEOMAR Helmholtz Centre for Ocean Research Kiel

Roger Francois University of British Columbia

Giacomo R. DiTullio College of Charleston

External Links

Personal website of Philippe D. Tortell

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