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Freshwater-marine coupling affects all aspects of the physical, biological and biogeochemical systems within Hudson Bay. The past century has seen significant hydroelectric development on rivers flowing into Hudson Bay, with more than 21,000 MW of annual production on the Nelson and La Grande river systems. Manitoba Hydro’s operations are closely linked to conditions in Hudson Bay through the regulation of outflows from Lake Winnipeg Regulation and the Lower Nelson River generating stations, as well as through the diversion of water from the Churchill River Diversion, which affect the timing, volume, and location of freshwater outflow into Hudson Bay.

Freshwater entering Hudson Bay is susceptible to modification, both in terms of water quality and quantity, through exchange processes in the watershed, and through climate forcing of the hydrological cycle both in space and time. A unique aspect of this system is the role that freshwater plays on both sea ice thermodynamic and dynamic processes within Hudson Bay. This freshwater-marine coupling affects all aspects of the Hudson Bay physical, biological and biogeochemical systems.

BaySys is led by Principal Investigators Dr. David Barber at the University of Manitoba and Kevin Sydor at Manitoba Hydro. The project is managed and coordinated by Lauren Candlish and Dr. David Landry at the University of Manitoba in collaboration with Kevin Sydor and Karen Wong at Manitoba Hydro.

Data and Resources

Sub-projects

  • Carbon cycling Project

    Themes: Cryosphere, Freshwater, Marine

    The carbon cycling team focused on the role of freshwater in moderating the carbon system of Hudson Bay. This ultimately led to increasing our understanding of carbon cycling... Read more
  • Contaminants Project

    Themes: Cryosphere, Freshwater, Marine

    Mercury is one of the primary contaminants of concern associated with hydroelectric regulation due to enhanced mercury methylation in flooded reservoirs and wetlands. The... Read more
  • Freshwater Project

    Themes: Cryosphere, Freshwater, Marine

    To understand the relative impact of regulation and climate change to the HBC, the freshwater team investigated the role of freshwater timing and magnitude on contemporary and... Read more
  • Lisa Matthes - PhD Project Project

    Themes: Marine

    This project includes all datasets that were collected within the PhD project by Lisa Matthes. Datasets were collected as part of two large system studies: a) Green Edge project... Read more
  • Marine ecosystems Project

    Themes: Cryosphere, Freshwater, Marine

    The marine ecosystem team had two objectives: First, to assess how different drivers collectively affect biological productivity. Second, the team studied the diversity and... Read more
  • Marine/climate systems Project

    Themes: Cryosphere, Freshwater, Marine

    The marine/climate systems team worked to understand how changes in climate variability and hydroelectric regulation affected processes related to light, heat and momentum... Read more
  • Ocean modelling Project

    Themes: Freshwater, Marine

    Ocean modelling became its own team in the second year of the project to ensure the large-scale ocean modelling component could be completed and integrated into the rest of the... Read more

Related Collections and Datasets

    Campaign

    Deployments

    Related Publications

    Metadata

    Field Value
    Title Hudson Bay System Study (BaySys)
    Research Program Name
    Keywords Biomass, Carbon fluxes, Churchill River, Climate change, Freshwaters, Hudson Bay, Hydrology, Mercury, Modeling, Nutrients, Phytoplankton, Remote sensing data, Rivers, Satellite imagery, Sea ice, Sediments, Taxonomy
    Keyword Vocabulary Polar Data Catalogue
    Keyword Vocabulary URL https://www.polardata.ca/pdcinput/public/keywordlibrary
    Website https://umanitoba.ca/earth-observation-science/research/hudson-bay-system-study-baysys
    Theme Cryosphere
    Freshwater
    Marine
    Remote Sensing
    Status Complete
    Project DOI 10.5203/x6hd-2n79
    Metadata Creation Date 2022
    Publisher CanWIN
    Preferred citation
    Related facility
    Field Value
    Project extent
    Project Area Hudson Bay Complex
    Spatial regions Hudson Bay
    Spatial extent West Bound Longitude
    Spatial extent East Bound Longitude
    Spatial extent South Bound Latitude
    Spatial extent North Bound Latitude
    Temporal extent
    Project Start Date 2016-09-26
    Project End Date 2021-12-31
    Field Value
    Project Contributors
    Principal Investigators
    Principal Investigators 1
    Principal Investigator Name
    Barber, David
    Type of Name
    Personal
    Principal Investigator Email
    David.Barber@umanitoba.ca
    Principal Investigator Affiliation
    Centre for Earth Observation Science - University of Manitoba
    Principal Investigator ORCID ID
    0000-0001-9466-3291
    Co-Investigators
    Co-Investigators 1
    Co-Investigator Name
    Ali, Geneviève
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 2
    Co-Investigator Name
    Kuzyk, Zou Zou
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 3
    Co-Investigator Name
    Papakyriakou, Timothy
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 4
    Co-Investigator Name
    Archambault, Philippe
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 5
    Co-Investigator Name
    Tremblay, Jean-Éric
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 6
    Co-Investigator Name
    Wang, Feiyue
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 7
    Co-Investigator Name
    Stern, Gary
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 8
    Co-Investigator Name
    Bélanger, Simon
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 9
    Co-Investigator Name
    Dmitrenko, Igor
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 10
    Co-Investigator Name
    Ehn, Jens
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 11
    Co-Investigator Name
    Dery, Stephen
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 12
    Co-Investigator Name
    Else, Brent
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 13
    Co-Investigator Name
    Fortier, Louis
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 14
    Co-Investigator Name
    Guéguen, Céline
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 15
    Co-Investigator Name
    Lobb, David
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 16
    Co-Investigator Name
    Lovejoy, Connie
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 17
    Co-Investigator Name
    Mundy, Christopher
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 18
    Co-Investigator Name
    Myers, Paul
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 19
    Co-Investigator Name
    Maps, Frédéric
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 20
    Co-Investigator Name
    Owens, Philip
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 21
    Co-Investigator Name
    Petticrew, Ellen
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Co-Investigators 22
    Co-Investigator Name
    Stadnyk, Tricia
    Co-Investigator Role
    Researcher
    Co-Investigator Email
    Co-Investigator Affiliation
    Co-Investigator ORCID ID
    Project Data Curator David Landry
    Project Data Curator email David.Landry@umanitoba.ca
    Project Data Curator Affiliation Centre for Earth Observation Science - University of Manitoba
    Funder Information
    Awards
    Awards 1
    Award Title
    BaySys - Contributions of climate change and hydro-electric regulation to the variability and change of freshwater-marine coupling in the Hudson Bay system
    Award URL
    https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=696303
    Funder Name
    Natural Sciences and Engineering Research Council (NSERC)
    Funder Identifier
    01h531d29
    Funder Identifier Type
    ROR
    Funder identifier URL
    https://ror.org
    Grant Number
    Field Value
    License Name Creative Commons Attribution 4.0 International
    Licence Schema Name SPDX
    Licence URL https://spdx.org/licenses
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