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Precipitation and Groundwater and Lac Cardinal Elevation Trends Associated
with the Grimshaw Gravel Aquifer

Groundwater Precipitation
MORE INFO
www.telusplanet.net/public/
grimshaw/aquifers/aquifers.htm

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INFO GAP
Although the western groupings of sub-watersheds are reasonably well-mapped for groundwater, proper watershed management would necessitate expanding mapping of groundwater aquifers to the rest of the Peace River watershed.




Source
Watrecon Consulting. 2012. The Peace Watershed: Current and future water use and issues, 2011. Prepared for the Mighty Peace Watershed Alliance, Grande Prairie, AB.

WHERE DOES AQUIFER WATER COME FROM?
Deeper aquifers are recharged as part of the regional groundwater flow regime; groundwater may travel a great distance and take many years to reach the aquifer. Shallow aquifers are recharged directly by infiltrating surface water. Residence time of groundwater in shallow aquifers tends to be short and local flow regimes fluctuate in response to surface conditions, compared with the slow and methodical flow trends in deeper aquifers. Groundwater in shallow aquifers retains many of the characteristics of the infiltrating surface water.
aquifer


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