| Re‐evaluation of the hydrogen stable isotopic composition of keratin calibration standards for wildlife and forensic science applications DX Soto, G Koehler, LI Wassenaar, KA Hobson Rapid Communications in Mass Spectrometry 31 (14), 1193-1203, 2017 | 113 | 2017 |
| An on-line technique for the determination of the δ18O and δ17O of gaseous and dissolved oxygen LI Wassenaar, G Koehler Analytical chemistry 71 (21), 4965-4968, 1999 | 100 | 1999 |
| Spatio-temporal variation of nitrate sources to Lake Winnipeg using N and O isotope (δ15N, δ18O) analyses DX Soto, G Koehler, LI Wassenaar, KA Hobson Science of the Total Environment 647, 486-493, 2019 | 79 | 2019 |
| On the use of stable oxygen isotope (δ18O) measurements for tracking avian movements in North America KA Hobson, G Koehler Ecology and Evolution 5 (3), 799-806, 2015 | 70 | 2015 |
| An automated technique for measuring δD and δ18O values of porewater by direct CO2 and H2 equilibration G Koehler, LI Wassenaar, MJ Hendry Analytical chemistry 72 (22), 5659-5664, 2000 | 55 | 2000 |
| On-line technique for the determination of the δ37Cl of inorganic and total organic Cl in environmental samples LI Wassenaar, G Koehler Analytical chemistry 76 (21), 6384-6388, 2004 | 49 | 2004 |
| On the urgent need for standardization in isotope‐based ecohydrological investigations C Millar, K Janzen, MF Nehemy, G Koehler, P Hervé‐Fernández, H Wang, ... Hydrological Processes 36 (10), e14698, 2022 | 46 | 2022 |
| The stable isotopic composition (37Cl/35Cl) of dissolved chloride in rainwater G Koehler, LI Wassenaar Applied geochemistry 25 (1), 91-96, 2010 | 45 | 2010 |
| Aquatic community metabolism response to municipal effluent inputs in rivers quantified using diel δ18O values of dissolved oxygen LI Wassenaar, JJ Venkiteswaran, SL Schiff, G Koehler Canadian Journal of Fisheries and Aquatic Sciences 67 (8), 1232-1246, 2010 | 38 | 2010 |
| Measurement of the hydrogen and oxygen isotopic compositions of concentrated chloride brines and brines from fluid inclusions in halite GD Koehler, D Chipley, TK Kyser Chemical Geology: Isotope Geoscience section 94 (1), 45-54, 1991 | 36 | 1991 |
| Geographical assignment of polar bears using multi-element isoscapes G Koehler, KJ Kardynal, KA Hobson Scientific Reports 9 (1), 9390, 2019 | 31 | 2019 |
| Content, composition, and transfer of polyunsaturated fatty acids in an Arctic lake food web G Grosbois, M Power, M Evans, G Koehler, M Rautio Ecosphere 13 (1), e03881, 2022 | 30 | 2022 |
| Realtime Stable Isotope Monitoring of Natural Waters by Parallel-Flow Laser Spectroscopy G Koehler, LI Wassenaar Analytical Chemistry, 2011 | 29 | 2011 |
| Organic contamination detection for isotopic analysis of water by laser spectroscopy C Millar, K Janzen, MF Nehemy, G Koehler, P Hervé‐Fernández, ... Rapid Communications in Mass Spectrometry 35 (15), e9118, 2021 | 26 | 2021 |
| Paleomagnetic and isotopic evidence for the diagenesis and alteration of evaporites in the Paleozoic Elk Point Basin, Saskatchewan, Canada G Koehler, TK Kyser, R Enkin, E Irving Canadian Journal of Earth Sciences 34 (12), 1619-1629, 1997 | 26 | 1997 |
| Expanding the Isotopic Toolbox to Track Monarch Butterfly (Danaus plexippus) Origins and Migration: On the Utility of Stable Oxygen Isotope (δ18O) Measurements KA Hobson, KJ Kardynal, G Koehler Frontiers in Ecology and Evolution 7, 224, 2019 | 25 | 2019 |
| Combining Denitrifying Bacteria and Laser Spectroscopy for Isotopic Analyses (δ15N, δ18O) of Dissolved Nitrate DX Soto, G Koehler, KA Hobson Analytical chemistry 87 (14), 7000-7005, 2015 | 24 | 2015 |
| Sulfate in streams and groundwater in a cold region (Yukon Territory, Canada): Evidence of weathering processes in a changing climate DR Van Stempvoort, J Spoelstra, G Bickerton, G Koehler, B Mayer, ... Chemical Geology 631, 121510, 2023 | 23 | 2023 |
| Phosphorus dynamics and availability in the nearshore of Eastern Lake Erie: insights from oxygen isotope ratios of phosphate DC Depew, G Koehler, V Hiriart-Baer Frontiers in Marine Science 5, 215, 2018 | 21 | 2018 |
| Measurement of stable isotope activities in saline aqueous solutions using optical spectroscopy methods G Koehler, LI Wassenaar, J Hendry Isotopes in environmental and health studies 49 (3), 378-386, 2013 | 21 | 2013 |
Leonard I. WassenaarUniversity of OttawaVerified email at uottawa.ca
