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ISP 203 Midterm
Global Change Lab
35
Other
Undergraduate 2
10/20/2009

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Term
surface water
Definition
water collected on the ground or in a stream, river, lake, wetland, or ocean; it is related to water collecting as groundwater or atmospheric water
Term
soil water
Definition
water retained in the soil for use of plants and other organisms to contribute to land productivity and soil health
Term
groundwater
Definition
the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells
Term
atmosphere
Definition
the gaseous envelope surrounding the earth; the air
Term
clouds
Definition
a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface
Term
glaciers
Definition
an extended mass of ice formed from snow falling and accumulatinng over the years and moving very slowly either descending from high mountains
Term
surface runoff
Definition
the water flow which occurs when soil is infiltrated to full capacity and excess water from rain, snowmelt, or other sources flows over the land
Term
precipitation
Definition
falling products of condensation in the atmosphere, as rain, snow, or hail
Term
recharge
Definition
the process by which ground water is absorbed into the zone of saturation
Term
discharge
Definition
the processes by which ground water is released from the zone of saturation
Term
infiltration
Definition
the seepage of water into soil or rock
Term
condensation
Definition
the processs by which atmospheric water vapor liquefies to form fog, clouds, or the like, or solidifies to form snow or hail
Term
evaporation
Definition
the changing of a liquid into a gas , often under the influence of heat (as in the boiling of water)
Term
oceans
Definition
vast bodies of water that cover almost three fourths of the earth's surface
Term
linear trend
Definition
straight line
Term
exponential trend
Definition
curved line
Term
linear scale
Definition
equal
and fixed intervals
between the ordered
marks
Term
log scale
Definition
uneven
spacing between
marks
Term
Title Orientation Author(s) Date Symbol Scale
Definition
TOADSS
Term
ratio scale
Definition
Means 1 of a unit on the map equals 2000 of that
unit in real life
• Example: 1 cm on the map = 2000 cm in real life
Term
graphic scale
Definition
Graduated line telling distance; they do not use the
same units
• Example: 1 inch on the map = 100 miles in real life
Term
contour lines
Definition
brown/black lines connecting a
specific elevation
Term
contour interval
Definition
tells the difference in
elevation between contour lines
Term
geology
Definition
The study of the Earth, the materials of
which it is made, the structure of those
materials, and the processes acting upon
them.
Term
sedimentary rocks
Definition
sediments which have lithified
to become a rock
– Ex: limestone, sandstone, conglomerate
Term
sorting
Definition
how many of the grains are
approximately the same size?
Term
shape
Definition
(roundedness) – how smooth or
rough are the edges?
Term
size
Definition
how big are the grains?
– Fine, medium, course, etc.
– You can tell by touch (and sight)
Term
 geologic maps
Definition
 shows the rocks of an area
Term
gravity, glaciers, waves, and wind
Definition
major agents of erosion
Term
dissolved, suspended, bed
Definition
types of loads
Term
dissolved load
Definition
material dissolved in the
water
Term
suspended load
Definition
sediment suspended in
the water (this causes water to look
“muddy”)
– Depends on velocity of water and size, shape,
and density of sediment
Term
bed load
Definition
sediment that moves along the
bottom of the river
– Saltation – skipping / “jumping” along the bed
Term
rivers need to maintain a certain velocity to carry sediments. if it drops below that velocity, it will drop the sediments. this can happen due to roughness of bed, shape of channel, and slope of river. can form features such as sandbars and deltas
Definition
deposition
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