Geoff Koehler
Geoff Koehler
Environment Canada
Verified email at usask.ca - Homepage
TitleCited byYear
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
751999
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
392004
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
392000
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
281991
The stable isotopic composition (37Cl/35Cl) of dissolved chloride in rainwater
G Koehler, LI Wassenaar
Applied Geochemistry 25 (1), 91-96, 2010
262010
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
252015
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
201997
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
182017
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
172010
Realtime Stable Isotope Monitoring of Natural Waters by Parallel-Flow Laser Spectroscopy
G Koehler, LI Wassenaar
Analytical Chemistry, 2011
162011
Identifying kurgan graves in Eastern Hungary: A burial mound in the light of strontium and oxygen isotope analysis
C Gerling, V Heyd, A Pike, E Banffy, J Dani, K Köhler, G Kulcsár, E Kaiser, ...
Population Dynamics in Prehistory and Early History. New Approaches Using …, 2012
152012
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
112013
Determination of the hydrogen isotopic compositions of organic materials and hydrous minerals using thermal combustion laser spectroscopy
G Koehler, LI Wassenaar
Analytical chemistry 84 (8), 3640-3645, 2012
112012
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
102015
Stable isotope evidence for the petrogenesis of carnallite in the Middle Devonian Prairie Evaporite Formation, Saskatchewan
GD Koehler, TK Kyser, T Danyluk
Summary of Investigations, 90-4, 1990
91990
The significance of hydrogen and oxygen stable isotopic fractionations between carnallite and brine at low temperature: Experimental and empirical results
G Koehler, TK Kyser
Geochimica et cosmochimica acta 60 (14), 2721-2726, 1996
81996
Flyway population delineation in Taiga Bean Geese Anser fabalis fabalis revealed by multi‐element feather stable isotope analysis
AD Fox, KA Hobson, A de Jong, KJ Kardynal, G Koehler, T Heinicke
Ibis 159 (1), 66-75, 2017
62017
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
52019
Fluid events as recorded in the hydration water of carnallite from the Elk Point Basin of western Canada
GD Koehler, TK Kyser
Williston Basin Symposium, 1991
51991
Effects of tanning on the stable isotopic compositions of hair
G Koehler, KA Hobson
Forensic science international 292, 78-82, 2018
42018
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