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Geoff Koehler
Geoff Koehler
Environment Canada
Overená e-mailová adresa na: usask.ca - Domovská stránka
Názov
Citované v
Citované v
Rok
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
982017
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
931999
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
602019
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
582015
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
512000
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
442004
The stable isotopic composition (37Cl/35Cl) of dissolved chloride in rainwater
G Koehler, LI Wassenaar
Applied geochemistry 25 (1), 91-96, 2010
392010
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
362010
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
341991
Realtime Stable Isotope Monitoring of Natural Waters by Parallel-Flow Laser Spectroscopy
G Koehler, LI Wassenaar
Analytical Chemistry, 2011
262011
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
251997
Geographical assignment of polar bears using multi-element isoscapes
G Koehler, KJ Kardynal, KA Hobson
Scientific Reports 9 (1), 9390, 2019
222019
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
222015
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
182022
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
182013
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
172019
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
162018
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
162012
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
142021
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
142017
Systém momentálne nemôže vykonať operáciu. Skúste to neskôr.
Články 1–20