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Leonard Wassenaar
PeerJ Editor
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Leonard I Wassenaar

PeerJ Editor

Summary

Leonard Wassenaar is Executive Director of the André E. Lalonde Accelerator Mass Spectrometry and Envirionmental Radioisotope Laboratory at the University of Ottawa. Previously, he served as the Laboratory and Section Head for Isotope Hydrology at IAEA, Vienna, from 2012 to 2021, and was the head of the Isotope Hydrology and Ecology Laboratory at Environment Canada, Saskatoon, from 1991 to 2012. Len's research focuses on applying isotopes to study freshwater and terrestrial ecosystems.

Aquatic & Marine Chemistry Biogeochemistry Ecohydrology

Editorial Board Member

PeerJ - the Journal of Life & Environmental Sciences

Past or current institution affiliations

University of Ottawa / Université d’Ottawa

Work details

Executive Director

University of Ottawa
October 2024
Andre E. LaLonde AMS Laboratory

Senior Research Scientist

Environment Canada
July 1991 - January 2012
National Water Research Institute

Laboratory and Section Head

International Atomic Energy Agency
January 2012 - July 2021
Isotope Hydrology

Senior Research Scientist

WasserCluster Biological Research Station
September 2021 - December 2024
EcoHydrology

Websites

  • Google Scholar

PeerJ Contributions

  • Edited 1

Academic Editor on

September 3, 2025
An assessment of CO2 and CH4 emissions in a tropical river: from the Kenyir Reservoir to the estuary
Daryl Jia Jun Lee, Siti Farhain Mohd Ludin, Wei Wen Wong, Liyang Zhan, Seng Chee Poh
https://doi.org/10.7717/peerj.19929 PubMed 40936768