Precipitation and Groundwater and Lac Cardinal Elevation Trends Associated
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.