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Groundwater
Groundwater is water located
beneath the ground surface
in soil pore spaces and in
the fractures of geologic
formations. A formation of
rock/soil is called an
aquifer when it can yield a
useable quantity of water.
... > full story
Water resources
Water resources are sources
of water that are useful or
potentially useful to
humans. It is important
because it is needed for
life to exist. Many uses of
water include agricultural,
industrial, household,
... > full story
Septic tank
A septic tank is part of a
small scale sewage treatment
system often referred to as
a septic system, which
consists of the tank itself
and a septic drain field. ... > full story
Surface runoff
Surface runoff is water,
from rain, snowmelt, or
other sources, that flows
over the land surface, and
is a major component of the
water cycle. Runoff that
occurs on surfaces before
reaching a channel is also
... > full story
Browse Reference Articles
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Evapotranspiration
Evapotranspiration (ET) is the sum of evaporation and plant transpiration. Evaporation accounts for the movement of water to the air from sources such as the soil, canopy interception, and ... > more -
Water pollution
Water pollution is a large set of adverse effects upon water bodies (lakes, rivers, oceans, groundwater) caused by human activities. Although natural phenomena such as volcanoes, storms, earthquakes ... > more -
Infiltration (hydrology)
Infiltration is the process by which water on the ground surface enters the soil. Infiltration is governed by two forces, gravity, and capillary action. While smaller pores offer greater resistance ... > more -
Precipitation (meteorology)
In meteorology, precipitation is any form of water that falls from the sky as part of the weather to the ground. This includes snow, rain, sleet, freezing rain, hail, and virga. Precipitation is a ... > more
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