World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
43
Citations
14898
World Ranking
4836
National Ranking
226

Overview

Ian D. Clark is affiliated with the University of Ottawa in Canada. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with notable contributions in subfields including Geochemistry and Petrology, Atmospheric Science, Ecology, Environmental Engineering, and Environmental Chemistry.

The scientist's work covers several key topics related to geology and environmental processes. These topics include Geology and Paleoclimatology Research, Groundwater and Isotope Geochemistry, Atmospheric and Environmental Gas Dynamics, Hydrocarbon Exploration and Reservoir Analysis, Methane Hydrates and Related Phenomena, Geological and Geochemical Analysis, and Polar Research and Ecology.

Several recent papers showcase the range of Ian D. Clark's research activity. Among these publications are:

  • "CH4 isotopic ordering records ultra-slow hydrocarbon biodegradation in the deep subsurface" (2021, Earth and Planetary Science Letters)
  • "Diagenetic evolution of a sedimentary system (Michigan Basin): Insights from petrography and S-isotope micro-analysis of pyrite" (2020, Chemical Geology)
  • "Sources of solutes and carbon cycling in perennially ice-covered Lake Untersee, Antarctica" (2020, Scientific Reports)
  • "Glacial lake outburst floods enhance benthic microbial productivity in perennially ice-covered Lake Untersee (East Antarctica)" (2021, Communications Earth & Environment)
  • "Chemo-isotopic tracing of the groundwater salinity in arid regions: An example of Shahrood aquifer (Iran)" (2022, Journal of Geochemical Exploration)

Frequent collaborators include Josué J. Jautzy, Laura Kennell-Morrison, Tom A. Al, Nicole B. Marsh, and Denis Lacelle. These coauthors have contributed to multiple studies alongside Clark, reflecting interdisciplinary engagement across related research topics.

Ian D. Clark's work has been published in a variety of venues, with repeated appearances in Goldschmidt Abstracts, Earth and Planetary Science Letters, Chemical Geology, Scientific Reports, and Communications Earth & Environment. Such diverse publication outlets indicate the breadth of their research interests and expertise.

Best Publications

  • Environmental Isotopes in Hydrogeology

    Ian D. Clark;Peter Fritz

  • Groundwater Geochemistry and Isotopes

    Ian D. Clark

  • Thawing of massive ground ice in mega slumps drives increases in stream sediment and solute flux across a range of watershed scales

    S. V. Kokelj;D. Lacelle;T. C. Lantz;J. Tunnicliffe

  • The origin and evolution of Canadian Shield brines: evaporation or freezing of seawater? New lithium isotope and geochemical evidence from the Slave craton

    D.J. Bottomley;A. Katz;L.H. Chan;A. Starinsky

  • Paleoclimatic Reconstruction in Northern Oman Based on Carbonates from Hyperalkaline Groundwaters

    Ian D. Clark;Jean-Charles Fontes

  • Kinetic enrichment of stable isotopes in cryogenic calcites

    Ian D. Clark;Bernard Lauriol

  • WATER - ROCK INTERACTION

    Ian D. Clark;Peter Fritz

  • Stable isotope disequilibria in travertine from high pH waters: Laboratory investigations and field observations from Oman

    Ian D. Clark;Jean-Charles Fontes;Peter Fritz

  • First Status Report on Radiocarbon Sample Preparation Techniques at the A.E. Lalonde AMS Laboratory (Ottawa, Canada)

    Carley A Crann;Sarah Murseli;Gilles St-Jean;Xiaolei Zhao

  • Prevalence of anaerobic ammonium-oxidizing bacteria in contaminated groundwater.

    Tara A. Moore;Yangping Xing;Brent Lazenby;Michael D. J. Lynch

  • Impacts of hillslope thaw slumps on the geochemistry of permafrost catchments (Stony Creek watershed, NWT, Canada)

    Laura Malone;Denis Lacelle;Steve Kokelj;Ian D. Clark

  • Aufeis of the Firth River Basin, Northern Yukon, Canada: insights into permafrost hydrogeology and Karst

    Ian D. Clark;Bernard Lauriol

  • Basal ice facies and supraglacial melt-out till of the Laurentide Ice Sheet, Tuktoyaktuk Coastlands, western Arctic Canada

    J.B. Murton;C.A. Whiteman;R.I. Waller;W.H. Pollard

  • Sorption of strontium onto bacteriogenic iron oxides.

    Sean Langley;Andrew G. Gault;Alexandre Ibrahim;Yoshio Takahashi

  • Groundwater mixing dynamics at a Canadian Shield mine

    M. Douglas;I.D. Clark;K. Raven;D. Bottomley

  • The artesian thermal groundwaters of northern Jordan: insights into their recharge history and age

    William Baijjali;Ian D. Clark;Peter Fritz

  • Scars In The Landscape: A Register Of Massacre Sites In Western Victoria, 1803 1859

    Ian D. Clark

  • A natural analogue of high pH cement pore waters from the Maqarin area of northern Jordan. I: introduction to the site

    H.N. Khoury;E. Salameh;I.D. Clark;P. Fritz

  • Indigenous and Minority Placenames: Australian and International Perspectives

    Ian D Clark;Luise Hercus;Laura Kostanski

  • Microbial and geochemical features suggest iron redox cycling within bacteriogenic iron oxide-rich sediments

    Andrew G. Gault;Alexandre Ibrahim;Sean Langley;Robert Renaud

  • Recharge and Preservation of Laurentide Glacial Melt Water in the Canadian Shield

    Ian D. Clark;Malcolm Douglas;Kenneth Raven;Dennis Bottomley

Frequent Co-Authors

Denis Lacelle
Denis Lacelle University of Ottawa
Peter Fritz
Peter Fritz University of Waterloo
Danielle Fortin
Danielle Fortin University of Ottawa
David A. Fisher
David A. Fisher University of Ottawa
David R. Lapen
David R. Lapen Government of Canada
Yoshio Takahashi
Yoshio Takahashi University of Tokyo
Josh D. Neufeld
Josh D. Neufeld University of Waterloo
Grant D. Zazula
Grant D. Zazula Simon Fraser University
Wayne H. Pollard
Wayne H. Pollard McGill University
R. Timothy Patterson
R. Timothy Patterson Carleton University

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