Faculty profile

David Olefeldt

ResearcherRenewable ResourcesUniversity of Alberta

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Alberta directory, so their courses may be missing. Find their university profile.

David Olefeldt

Researcher

Renewable Resources

University of Alberta

Edmonton, Alberta, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
8 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 4 research grants (4 NSERC), most recently in 2023.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Climate change Greenhouse gases Hydrology Net Radiative Forcing Peatlands Permafrost Plant ecology Soil Carbon

Latest papers

Peatland Mid-Infrared Database.
Scientific data · 2026
Production of Methylmercury in Peatlands Following Permafrost Thaw Increases along a Trophic Gradient.
Environmental science & technology · 2025 · senior author
Coarse land cover datasets bias Arctic-Boreal wetland methane budgets.
Communications earth & environment · 2025

All 19 publications

Latest funding

The Fenny Last Piece of the Peatland Puzzle: Understanding Impacts of Climate Change on Carbon Cycling in the Discontinuous Permafrost Zone
NSERC · 2023 · Principal investigator
$118,000
The Fenny Last Piece of the Peatland Puzzle: Understanding Impacts of Climate Change on Carbon Cycling in the Discontinuous Permafrost Zone
NSERC · 2023 · Principal investigator
$26,000
Discontinuous Permafrost Alliance (DPA)
NSERC · 2020 · Co-investigator
$458,000

All 7 grants and awards

19 publications.

Peatland Mid-Infrared Database.

Teickner H, Agethen S, Berger S, Boelsen RI, Borken W, Bragazza L, Broder T, De La Cruz FB, Diaconu AC, Dise NB, Drollinger S, Estop-Aragonés C, Gałka M, Martí M, Glatzel S, Groß J, Harris L, Heffernan L, Hodgkins SB, Hömberg-Grandjean A, Hoppe H, Kleinebecker T, Knierzinger W, Liu H, Mathijssen P, Mollmann C, Schuster W, Närtker L, Olefeldt D, Pancotto V, Pelletier N, Reuter H, Robroek B, Svensson BH, Talbot J, Thompson L, Worrall F, Yu ZG, Knorr KH

Scientific data2026

DOI: 10.1038/s41597-026-06986-x PMID: 41942528

Production of Methylmercury in Peatlands Following Permafrost Thaw Increases along a Trophic Gradient.

Thompson LM, Shewan R, Mangal V, Harris LI, Cheng CH, Braga LPP, Kolmakova O, Tanentzap AJ, Knorr KH, Kuhn MA, Haugk C, Azaroff A, Jonsson S, St Louis VL, Lehnherr I, Quinton WL, Sonnentag O, Olefeldt D

Environmental science & technology2025Senior author

DOI: 10.1021/acs.est.5c04510 PMID: 40904219

Coarse land cover datasets bias Arctic-Boreal wetland methane budgets.

Hashemi J, Räsänen A, Virtanen T, Juutinen S, Grosse G, Aurela M, Bartsch A, Chasmer L, Davidson SJ, Korkiakoski M, Kuhn MA, Lara MJ, Luoto M, Niittynen P, Olefeldt D, Sonnentag O, Virkkala AM, Voigt C, Treat CC

Communications earth & environment2025

DOI: 10.1038/s43247-025-02963-1 PMID: 41245527

A Review of Abrupt Permafrost Thaw: Definitions, Usage, and a Proposed Conceptual Framework.

Webb H, Fuchs M, Abbott BW, Douglas TA, Elder CD, Ernakovich JG, Euskirchen ES, Göckede M, Grosse G, Hugelius G, Jones MC, Koven C, Kropp H, Lathrop E, Li W, Loranty MM, Natali SM, Olefeldt D, Schädel C, Schuur EAG, Sonnentag O, Strauss J, Virkkala AM, Turetsky MR

Current climate change reports2025

DOI: 10.1007/s40641-025-00204-3 PMID: 40727685

Changing climatic controls on the greenhouse gas balance of thermokarst bogs during succession after permafrost thaw.

Heffernan L, Estop-Aragonés C, Kuhn MA, Holger-Knorr K, Olefeldt D

Global change biology2024Senior author

DOI: 10.1111/gcb.17388 PMID: 38967139

Permafrost thaw causes large carbon loss in boreal peatlands while changes to peat quality are limited.

Harris LI, Olefeldt D, Pelletier N, Blodau C, Knorr KH, Talbot J, Heffernan L, Turetsky M

Global change biology2023

DOI: 10.1111/gcb.16894 PMID: 37565359

Climate warming has direct and indirect effects on microbes associated with carbon cycling in northern lakes.

Winder JC, Braga LPP, Kuhn MA, Thompson LM, Olefeldt D, Tanentzap AJ

Global change biology2023

DOI: 10.1111/gcb.16655 PMID: 36843502

Characteristics of methane emissions from alpine thermokarst lakes on the Tibetan Plateau.

Yang G, Zheng Z, Abbott BW, Olefeldt D, Knoblauch C, Song Y, Kang L, Qin S, Peng Y, Yang Y

Nature communications2023

DOI: 10.1038/s41467-023-38907-6 PMID: 37253726

Constraints on potential enzyme activities in thermokarst bogs: Implications for the carbon balance of peatlands following thaw.

Heffernan L, Jassey VEJ, Frederickson M, MacKenzie MD, Olefeldt D

Global change biology2021Senior author

DOI: 10.1111/gcb.15758 PMID: 34164885

Aged soils contribute little to contemporary carbon cycling downstream of thawing permafrost peatlands.

Tanentzap AJ, Burd K, Kuhn M, Estop-Aragonés C, Tank SE, Olefeldt D

Global change biology2021Senior author

DOI: 10.1111/gcb.15756 PMID: 34157185

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David Olefeldt

Research

Latest papers

Latest funding

Peatland Mid-Infrared Database.

Production of Methylmercury in Peatlands Following Permafrost Thaw Increases along a Trophic Gradient.

Coarse land cover datasets bias Arctic-Boreal wetland methane budgets.

A Review of Abrupt Permafrost Thaw: Definitions, Usage, and a Proposed Conceptual Framework.

Changing climatic controls on the greenhouse gas balance of thermokarst bogs during succession after permafrost thaw.

Permafrost thaw causes large carbon loss in boreal peatlands while changes to peat quality are limited.

Climate warming has direct and indirect effects on microbes associated with carbon cycling in northern lakes.

Characteristics of methane emissions from alpine thermokarst lakes on the Tibetan Plateau.

Constraints on potential enzyme activities in thermokarst bogs: Implications for the carbon balance of peatlands following thaw.

Aged soils contribute little to contemporary carbon cycling downstream of thawing permafrost peatlands.

The Fenny Last Piece of the Peatland Puzzle: Understanding Impacts of Climate Change on Carbon Cycling in the Discontinuous Permafrost Zone

The Fenny Last Piece of the Peatland Puzzle: Understanding Impacts of Climate Change on Carbon Cycling in the Discontinuous Permafrost Zone

Discontinuous Permafrost Alliance (DPA)

Greenhouse gas emission factors from peat extraction, use and after use

forWater: NSERC Network for Forested Drinking Water Source Protection Technologies

Fire and Ice: Impacts of peatland distrubances on carbon cycling and water quality in catchments on the Taiga Plains

Fire and Ice: Impacts of peatland disturbances on carbon cycling and water quality in catchments on the Taiga Plains.

Frequent collaborators

David Risk

Vaughn Mangal

William Quinton

Oliver Sonnentag

Fereidoun Rezanezhad

Paul Grogan

Laura Chasmer