A5071463059- Groundwater and Isotope Geochemistry
- Isotope Analysis in Ecology
- Hydrology and Watershed Management Studies
- Plant Water Relations and Carbon Dynamics
- Soil and Water Nutrient Dynamics
- Plant Ecology and Soil Science
- Advanced Chemical Sensor Technologies
- Analysis of environmental and stochastic processes
- Atmospheric and Environmental Gas Dynamics
- Botany and Plant Ecology Studies
- Mass Spectrometry Techniques and Applications
- Peatlands and Wetlands Ecology
- Water Resources and Management
- Aquatic Ecosystems and Phytoplankton Dynamics
- Rangeland and Wildlife Management
Global Institute for Water Security
2018-2024
University of Saskatchewan
2018-2024
The stable isotope ratios of water (δ2 H and δ18 O values) have been widely used to trace in plants a variety physiological, ecohydrological, biogeochemical hydrological studies. In such work, the analyte must first be extracted from samples, prior isotopic analysis. While cryogenic vacuum distillation is currently most method reported literature, extraction-collection-analysis methods exist. A formal inter-method comparison on plant tissues has yet carried out.We performed an six extraction...
Abstract Ecohydrological investigations commonly use the stable isotopes of water (hydrogen and oxygen) as conservative ecosystem tracers. This approach requires accessing analysing from plant soil matrices. Generally, there are six steps involved to retrieve hydrogen oxygen isotope values these matrices: (1) sampling, (2) sample storage transport, (3) extraction, (4) pre‐analysis processing, (5) isotopic analysis, (6) post‐processing correction. At each step, cumulative errors can be...
Abstract The analysis of the stable isotopic composition hydrogen and oxygen in water samples from soils plants can help to identify sources vegetation uptake. This approach requires that heterogeneous nature plant soil matrices is carefully accounted for during experimental design, sample collection, extraction analyses. comparability shortcomings different methods extracting analyzing have been discussed specialized literature. Yet, despite insightful comparisons benchmarking methodologies...
The stable isotope compositions of hydrogen and oxygen in water (δ2 H δ18 O values) have been widely used to investigate plant sources, but traditional isotopic measurements waters are expensive labor intensive. Recent work with direct vapor equilibration (DVE) on laser spectroscopy has shown potential side step limitations imposed by methods. Here, we evaluate DVE analysis plants a focus spectral contamination introduced organic compounds. We present 17 O-excess as way quantifying compound...
Rationale Hydrogen and oxygen stable isotope ratios (δ 2 H, δ 17 O, 18 O values) are commonly used tracers of water. These can be measured by ratio infrared spectroscopy (IRIS). However, IRIS approaches prone to errors induced organic compounds present in plant, soil, natural water samples. A novel approach using O‐excess values has shown promise for flagging spectrally contaminated plant samples during analysis. systematic assessment this system is needed prove it useful. Methods Errors...
Ecohydrological investigations commonly use the stable isotopes of water (hydrogen and oxygen) as a conservative ecosystem tracer. This approach requires accessing analyzing constrained within plant soil matrices. Generally, there are six steps that researchers must pass through to retrieve hydrogen oxygen isotope values from these matrices: (i) sampling, (ii) sample storage transport, (iii) extraction, (iv) pre-analysis processing, (v) isotopic analysis, (vi) post-processing correction. At...
Design and construction of mine cover systems in cold regions can often be challenging due to limited availability appropriate materials harsh climate conditions.Balancing vegetation establishment soil moisture requirements while limiting water ingress into rock is one such challenge.Here we examined the effects surface amendment applications on system ecohydrological functions for a low organic content clay-loam sourced from an eastern Canadian site.Surface amendments manufactured by...