Jim Buttle
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View article: Composition of Stream Dissolved Organic Matter Across Canadian Forested Ecozones Varies in Three Dimensions Linked to Landscape and Climate
Composition of Stream Dissolved Organic Matter Across Canadian Forested Ecozones Varies in Three Dimensions Linked to Landscape and Climate Open
Dissolved organic matter (DOM) is a key variable influencing aquatic ecosystem processes. The concentration and composition of DOM in streams depend on both the delivery of DOM from terrestrial sources and on aquatic DOM production and deg…
View article: Early Seasonal Increases and Persistence in Relative Abundance of Potentially Toxic Cyanobacteria: Concerning Impacts of Extended Ice-Free Periods in Northern Temperate Lakes
Early Seasonal Increases and Persistence in Relative Abundance of Potentially Toxic Cyanobacteria: Concerning Impacts of Extended Ice-Free Periods in Northern Temperate Lakes Open
Cyanobacteria threaten public and ecosystem health globally through the production of secondary metabolites including potent toxins, and disruption of water treatment processes. Warmer water temperatures and high nutrient availability are …
View article: Regional variability in stream dissolved organic matter characteristics across forested regions of Canada, and its implications for drinking water treatability
Regional variability in stream dissolved organic matter characteristics across forested regions of Canada, and its implications for drinking water treatability Open
<p>Forested watersheds are a major source of drinking water for more than two thirds of Canadians. However, drinking water security is increasingly pressured by the combination of higher demands resulting from population growth and i…
View article: Water ages in the critical zone of long-term experimental sites in northern latitudes
Water ages in the critical zone of long-term experimental sites in northern latitudes Open
As northern environments undergo intense changes due to a warming climate and altered land use practices, there is an urgent need for improved understanding of the impact of atmospheric forcing and vegetation on water storage and flux dyna…
View article: Water ages in the critical zone of long-term experimental sites in northern latitudes
Water ages in the critical zone of long-term experimental sites in northern latitudes Open
As northern environments undergo intense respond due to a warming climate and altered land use practices, there is an urgent need for improved understanding of the impact of atmospheric forcing and vegetation on water storage and flux dyna…
View article: Measuring and Modeling Stable Isotopes of Mobile and Bulk Soil Water
Measuring and Modeling Stable Isotopes of Mobile and Bulk Soil Water Open
Core Ideas Bulk soil water isotopes have an evaporation signal, but mobile water isotopes do not. These differences are time variant and linked to the volume and age of the mobile water. Two pore domains (fast and slow) improve simulations…
View article: Using dry and wet year hydroclimatic extremes to guide future hydrologic projections
Using dry and wet year hydroclimatic extremes to guide future hydrologic projections Open
There are growing numbers of studies on climate change impacts on forest hydrology, but limited attempts have been made to use current hydroclimatic variabilities to constrain projections of future climatic conditions. Here we used histori…
View article: Comparison of threshold hydrologic response across northern catchments
Comparison of threshold hydrologic response across northern catchments Open
Nine mid‐latitude to high‐latitude headwater catchments – part of the Northern Watershed Ecosystem Response to Climate Change (North‐Watch) programme – were used to analyze threshold response to rainfall and snowmelt‐driven events and link…