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Elucidating water quality controls across scales

The Ecohydrology Research Group (ERG) was established in 2011 at the University of Waterloo with funding from the Canada Excellence Research Chairs (CERC) program.

The group is led by Philippe Van Cappellen and focuses on advancing the predictive understanding of the natural and human determinants of water quality. Our overarching goal is to enhance the depth and rigour with which risks to water security can be assessed under current and anticipated future stressors, including climate variability and land use changes.

Ecohydrology: Water quality for the planet

ERG’s activities span a huge range of spatial and temporal scales, from fundamental, molecular-level studies of the processes regulating the transformations of nutrients and contaminants in aquatic environments, via the acquisition of field observations and remote sensing data, to model simulations of entire river basins, lentic systems and coastal marine areas. ERG is therefore uniquely positioned to support the evidence-based management of water quality and water-dependent natural resources in a changing global environment.

The collaborative research program in ecohydrology specifically aims to:

  • identify and quantitatively describe the biogeochemical processes that control the chemical forms, reactivity and bioavailability of nutrient elements and contaminants in aquatic environments;
  • incorporate these processes in coupled hydrology-biogeochemistry models that simulate the fate and transport of nutrients and contaminants along the hydrological cycle;
  • model the effects of anthropogenic pressures on water quality and ecological functions, from the scale of local ecosystems to that of entire drainage basins and their receiving water bodies;
  • evaluate the vulnerability of water quality and ecosystem services to changes in land use, water consumption, conservation practices and regional climate; and
  • inform risk-based management strategies for water resources and aquatic ecosystems.

water quality

Ecohydrology: Water quality for the community

Van Cappellen brings a longstanding interdisciplinary and international experience to the program, and ERG’s team is fully committed to building new bridges between the scientific fields of hydrology, geology, geochemistry and ecology. ERG actively engages in various school-level and public outreach initiatives. These include a water cycle and water quality teaching kit called ‘It’s Hydro-logical’ for the Let’s Talk Science program and the annual World Wetlands Day Public Lecture in Waterloo. ERG members also participate in the Children’s Ground Water Festival, the All Science Challenge  and the Annual Science Open House, which all feature stimulating question-and-answer sessions and hands-on science activities to inspire school age children.

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AREAS OF EXPERTISE
  • Environmental chemistry, biogeochemistry and geomicrobiology;
  • Environmental sensors, remote sensing and smart monitoring systems;
  • Reactive transport modelling of carbon, nutrients (phosphorus, nitrogen, silicon, sulfur, iron), metals and metalloids in soils, aquifers, rivers, lakes and coastal environments; and
  • Integrated water management science and decision-support.
RECENT PUBLICATIONS

Advert in SciTech Europa Quarterly issue 29
Inspired front cover in SciTech Europa Quarterly issue 28
Special Report, March 2018, SciTech Europa
Special Report, August 2017, SciTech Europa
Profile in Pan European Networks: Science & Technology, issue 23
Additional publications of the Ecohydrology Research Group can be found here

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International research for the wiser use of water

Since 2011 an international research team of more than 45 scientists, technicians and students has been running experiments from the Canada-based lab and international...

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