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Enviro Geo

Watershed Test

QuestionAnswer
base level theoretical lowest level to which a river may erode
flood warning flood is actually occurring or is imminent
hydrology study of water transport in a natural system
acid mine drainage acidic water with a low pH and elevated dissolved metals such as Fe, Al, and Mn
water pollution degradation of water quality as measured by biological, chemical, or physical criteria
oceans store 98% of all of Earth's water
flood plain flat surface adjacent to the river that is periodically inundated by flood water
relief difference in elevation between the highest and lowest points of any land form
discharge volume of water moving past a particular location in a river in a unit of time
perc test rate at which water infiltrates into soil
flood water high flow or overflow is possible
eutrophication rapid increase in growth of plant life
bioremediation inject nutrients and oxygen for organisms' growth which degrade contaminants
stage height of water in a river
hydrologic cycle movement or transfer of water from one of Earth's storage compartments to another
watershed area of land that contributes water to a particular stream or river
pollutants any substance that, in excess, is known to be harmful to living organisms
aquiclude a subsurface rock unit that does not transmit useful amounts of water
ground water recharge any process that adds water to the aquifer
cone of depression forms area in an aquifer where water is being pulled
vadose` zone all Earth material above the water table
porosity pore space in a rock, sediment or soil
aquifer a subsurface rock unit that holds and transmits useful quantities of water
ground water discharge any process that removes water from an aquifer
artesian well pressure from a confined aquifer
saturated all pore spaces filled with water
unconfined aquifer no confining layer restricting upper surface from the water table
hydraulic conductivity ability of material to allow water to pass through
permeability water movement through the pore spaces of a rock
perched aquifer local zone of saturation above regional water table
confined aquifer confining layer present in aquifer
pool deeper and slower
riffle shallower, and faster
upstream floods flash floods
Created by: stoniertk28
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