Groundwater-driven wetland-stream connectivity in the Prairie Pothole Region : Inferences based on electrical conductivity data / Genevieve Ali, Aminul Haque, Nandita Basu, Pascal Badiou, and Henry Wilson.

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Ali, Geneieve

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Material type: Text

TextSeries: Wetlands. 37: 773-785 Publication details: 2017.Description: colour illustrations ; 28 cmLOC classification:

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Summary: This study examined the potential for electrical conductivity (EC) to serve as an indicator of groundwater- driven wetland-stream connectivity in the Prairie Pothole Region. Focus was on the Broughton ’ s Creek Watershed (Manitoba, Canada) where thirteen wetlands and a creek were monitored in 2013 – 2014. A connectivity index (CI), comput- ed by incorporating EC data in a hyperbolic solute export model, identified a potential for both shallow and deep groundwater-driven wetland-stream connectivity to occur, al- though shallower connections were rarer. Both raw EC and CI values were strongly correlated to wetland volume capacity, indicating the importance of storage and flow generation processes for wetland-stream connectivity potential. The proposed CI was instrumental in reaching that conclusion, making it a simple yet physically-based metric of wetland behavior that should be tested in multiple environments to confirm or infirm its validity.

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Item type	Current library	Collection	Call number	Status	Date due	Barcode
Electronic Journal	IWWR Supported Research	Non-fiction	ALI (Browse shelf(Opens below))	Available		16934

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Includes bibliographical references (pages 784-785).

This study examined the potential for electrical
conductivity (EC) to serve as an indicator of groundwater-
driven wetland-stream connectivity in the Prairie Pothole
Region. Focus was on the Broughton
’
s Creek Watershed
(Manitoba, Canada) where thirteen wetlands and a creek were
monitored in 2013
–
2014. A connectivity index (CI), comput-
ed by incorporating EC data in a hyperbolic solute export
model, identified a potential for both shallow and deep
groundwater-driven wetland-stream connectivity to occur, al-
though shallower connections were rarer. Both raw EC and CI
values were strongly correlated to wetland volume capacity,
indicating the importance of storage and flow generation
processes for wetland-stream connectivity potential. The
proposed CI was instrumental in reaching that conclusion,
making it a simple yet physically-based metric of wetland
behavior that should be tested in multiple environments to
confirm or infirm its validity.

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