ETS 260 Water Resources & Pollution
Test Review
Gravity Flow Irrigation - answer <<<<<<<<<<<flood or furrow irrigation; water is pulled from a ditch or
pipes and flows from one end of the field to the other
Center Pivot Irrigation - answer <<<<<<<<<<<a method of crop irrigation in which equipment rotates
around a pivot and crops are watered with sprinklers
Dam-and-Reservoir Systems - answer <<<<<<<<<<<capture and store surface runoff from a river's
watershed.
Desalination - answer <<<<<<<<<<<A process of removing salt from ocean water
Reliable Surface Runoff - answer <<<<<<<<<<<surface water that generally can be counted on as a
stable source of water from year to year.
Water Table - answer <<<<<<<<<<<the top of the groundwater zone; fluctuates up and down depending
on weather and removal/replenishment rates
Leaching - answer <<<<<<<<<<<removal of dissolved materials from soil by water moving downwards
Drip Irrigation - answer <<<<<<<<<<<the practice of using small pipes that slowly drip water just above
ground to conserve water to use for crops
Zone of Saturation - answer <<<<<<<<<<<underground areas of soil/rock where fresh water fills spaces
between particles
Aquifers - answer <<<<<<<<<<<underground body of rock that absorbs and holds flowing water
Test Review
Gravity Flow Irrigation - answer <<<<<<<<<<<flood or furrow irrigation; water is pulled from a ditch or
pipes and flows from one end of the field to the other
Center Pivot Irrigation - answer <<<<<<<<<<<a method of crop irrigation in which equipment rotates
around a pivot and crops are watered with sprinklers
Dam-and-Reservoir Systems - answer <<<<<<<<<<<capture and store surface runoff from a river's
watershed.
Desalination - answer <<<<<<<<<<<A process of removing salt from ocean water
Reliable Surface Runoff - answer <<<<<<<<<<<surface water that generally can be counted on as a
stable source of water from year to year.
Water Table - answer <<<<<<<<<<<the top of the groundwater zone; fluctuates up and down depending
on weather and removal/replenishment rates
Leaching - answer <<<<<<<<<<<removal of dissolved materials from soil by water moving downwards
Drip Irrigation - answer <<<<<<<<<<<the practice of using small pipes that slowly drip water just above
ground to conserve water to use for crops
Zone of Saturation - answer <<<<<<<<<<<underground areas of soil/rock where fresh water fills spaces
between particles
Aquifers - answer <<<<<<<<<<<underground body of rock that absorbs and holds flowing water
