L1 /
13
CH3041
SUB-SURFACE WATERS
• Water table :
pporeH2O = patm
pporeH2O = patm
ie. dig a
well water
will rise to here.
will rise to here.
• Groundwater:
H2O beneath water
table in the saturated
zone.
H2O beneath water
table in the saturated
zone.
• Aquifer: a saturated
geologic formation
sufficiently permeable
to obtain economic quantities of H2O.
geologic formation
sufficiently permeable
to obtain economic quantities of H2O.
• Groundwater
Recharge (infiltration)
GR = P ± R – ET – MR
Precipitation, Runoff, EvapoTrans., MoistureRetention
GR = P ± R – ET – MR
Precipitation, Runoff, EvapoTrans., MoistureRetention
(capillary fringe :
water that rises above the water
table due to capillary action)
table due to capillary action)
Soil
water
Vadose Zone
(unsaturated)
Capillary
Fringe
Vadose Zone
(unsaturated)
Capillary
Fringe
Ground
H2O
(p > patm)
Internal H2O
(p > patm)
Internal H2O
Zone
of
Aeration
Zone of
saturation
(Phreatic
zone)
Aeration
Zone of
saturation
(Phreatic
zone)
Zone
of
rock flowage
rock flowage
Water
table
table
