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EnvSci Water

The process that water takes as it moves from the atmosphere to land and back into atmosphere is called the water cycle.
fresh water on Earth's land surface, found in lakes, rivers, streams, and wetlands surface water
This is formed as streams and rivers move across the land forming a flowing network of water; examples include the Mississippi, Amazon, Nile river system
The area of land that is drained by a river; amount that enters varies throughout the year watershed
Water that is found beneath Earth's surface in the spaces in sediment and rock formations groundwater
The level where the rocks and soils are saturated with water beneath the rocks and soil water table
An underground formation that contains groundwater, water table forms upper boundary aquifer
the percentage of the total volume of a rock that has spaces or pores; water in an aquifer is stored in the pores and flows from one to another porosity
ability of rock or soil to allow the flow of water through it; gravel is permeable, clay or granite are impermeable permeability
An are of Earth's surface from which water percolates down into an aquifer; environmentally sensitive areas because any pollution in this area can enter the aquifer recharge zone
a hole that is dug or drilled to reach groundwater well
What is most fresh water in the world used for? irrigate crops
term means safe to drink water potable
organisms that cause illness or disease pathogens
method of providing plants with water from sources other than direct precipitation irrigation
structures built across rivers to to control their flow; creates an artificial lake behind it dams; reservoir
method of irrigation that releases water into soil at a controlled rate; helps to conserve water loss drip irrigation systems
designing a landscape that requires minimal water use; way to help with water conservation xeriscaping
process of removing salt from salt water desalination
introduction of chemical, physical, or biological agents into water that degrade water quality and harm the organisms that depend on the water water pollution
pollution discharged from a single source; septic tank leaks, unlined landfills, pollution from mines point-source pollution
pollution that comes from many different sources that are difficult to identify; chemicals from salt decing agents, pesticides runoff; soil runoff from construction sites nonpoint-source pollution
water that contains waste from homes or industry wastewater
solid material that remains after wastewater treatment sewage sludge
occurs from excess phosphorus and nitrogen entering the water supply from sewage and fertilizer runoff from human activities artificial eutrophication
occurs when power plants and other industries use water in their cooling systems and then discharge the warm water into water supply thermal pollution
buildup of pesticides in the tissues of organisms as the food chain increases biomagnification
Created by: fskinner
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