ONE
What is the process by which water moves into the soil due to gravity
infiltration
what is an aquiclude
layer that prevents groundwater movement (think EXCLUDE, can't go)
What are stalactites
mineral formation on cave ceiling
what type of well brings water to the surface without pumping
artesian
what can cause water table to rise
heavy rainfall
What is the term for the underground area where all pore spaces are completely filled
zone of saturation
what is the name for a natural groundwater sources that emerges at the earth's surface
spring
what are stalagmites
mineral deposits on cave floors
Major threats to groundwater supply include what
overuse, pollution, and drought
Name the Duchess of Nobusiness
Ms Bradshaw
the upper boundary of the zone of saturation is called the.....
water table
what type of rock is typically dissolved by acidic groundwater to form caves
limestone
what is a man-made structure used to extract groundwater
well
Chemical spills are a common cause of what
groundwater pollution
What human activity is most responsible for lowering the water table
excessive groundwater pumping
which zone contains both air and little bits of water in the soil and rock pores
zone of aeration
what is a sinkhole
a depression in the ground caused by a collapsed cave
what happens when A well is over-pumped causing the water table to drop
drawdown
why is permeability important in groundwater movement
it determines how quickly water can pass through a material
What is the main reason groundwater is a valuable resource
it provides a source of freshwater
what is an aquifer
underground layer that stores and transmits groundwater
what type of topography is characterized by sinkholes, caves, and underground drainage
Karst
How is groundwater naturally replenished
by infiltration of precipitation
what is another name for the impermeable layer
aquiclude
Whats for lunch?
Check the menu....