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Test 3
ENvironmental Biology: Chapters 9-14
119
Biology
Undergraduate 1
11/14/2011

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Term
Freshwater
Definition
water with few dissolved salts
Term
tributary
Definition
A SMALLER RIVER SLOWING INTO A LARGER ONE
Term
watershed
Definition
area of land drained by a river and its tributaries
Term
floodplan
Definition
fertile areas that a river floods periodically
Term
riparian
Definition
riverside areas that are productive and species-rich
Term
lakes/ponds
Definition
bodies of open standing water
Term
littoral zone
Definition
region ringing the edge of a water body
Term
benthic zone
Definition
extends along the entire bottom of the water body
Term
limnetic zone
Definition
open portions of the lake or pond where sunlight penetrates the shallow waters
Term
profundal zone
Definition
water that sunlight does not reach
Term
oligotrophic lake
Definition
have low nutrient and high oxygen conditions
Term
eutrophic lake/pond
Definition
have high nutrient and low oxygen
Term
wetlands
Definition
combine elements of freshwater and dry land
extremely valuable for wildlife
Term
marshes
Definition
shallow water allow plants to grow above surface
Term
swamps
Definition
shallow water that occurs in forested areas
Term
bogs
Definition
ponds covered in thick floating mats of vegetation
Term
ground water
Definition
any precipitation that does not evaporate or flow
Term
aquifers
Definition
porous sponge-like formations of rock
Term
zone of aeration
Definition
pore spaces are partially filled with water
Term
zone of saturation
Definition
spaces are completely filled with water
Term
water table
Definition
boundary between the two zones
Term
70%
Definition
agriculture
Term
20%
Definition
industry
Term
10%
Definition
residential/municipal
Term
consumptive use
Definition
water is removed from aquifer or surface water
Term
non-consumptive
Definition
does not remove, or only temporally moves water
Term
dam
Definition
an obstruction in a river or stream that blocks water flow for storage
Term
clean water act 1977
Definition
illegal to pollute w/out permit
Term
currents
Definition
vast river like flows driven by wind
Term
photic zone
Definition
well-lighted top layer that supports high productivity
Term
kelp
Definition
large brown algae from floor of continental
Term
coral
Definition
tiny marine organisms that live in shallow subtropical waters
Term
coral reef
Definition
a mass of densely packed coral
Term
intertidal zone
Definition
ocean meets land
Term
salt marsh
Definition
occur along coasts at temperate latitude
Term
mangroves
Definition
sandy coats in tropical and subtropical latitudes
Term
estuaries
Definition
where rivers flow into the ocean
Term
atmosphere
Definition
thin layer of gases surrounding earth
Term
troposhere
Definition
bottommost later
air for breathing
Term
stratosphere
Definition
drier and less dense, 7-31 miles above sea level
Term
convective circulation
Definition
less dense, warmer air rises and creates vertical currents
Term
weather
Definition
atmospheric conditions over short time periods in small geographic area
Term
climate
Definition
more defined patterns of atmospheric conditions
Term
thermal inversion
Definition
layer of cool air occurs beneath layer of warmer air
Term
inversion layer
Definition
band of air in which temperature rises with altitude
Term
hadley cells
Definition
near the equator, surface air warms, rises and expands
Term
ferrell cells and polar cells
Definition
lift air
Term
coriolis effect
Definition
the north-south air currents appear to be deflected from a straight path
Term
hurricanes
Definition
formed when winds rush into areas of low pressure where warm, moist tropical air is rising
Term
tornadoes
Definition
formed when a mass of warm air meets cold, convective current in motion
Term
air pollutants
Definition
gases and particulate material added to the atmosphere
Term
air pollution
Definition
the release of air pollutants
Term
outdoor air pollution
Definition
outside pollution, has recently decreased
Term
point sources
Definition
specific spots where large pollutants are discharged...power plants and factories
Term
non-point sources
Definition
more diffuse, consisting of many small sources (cars)
Term
primary pollutants
Definition
directly harmful and can react to form harmful substances (soot and Co2)
Term
secondary pollutants
Definition
form when primary pollutants interact or react with constituents of the atmosphere
Term
criteria pollutants
Definition
pollutants judged to pose great threats to human health
Term
carbon monoxide
Definition
a colorless, odorless gas from fuel combustion
Term
sulfur dioxide
Definition
colorless gas with strong odor from coal emissions
form acid precipitation
Term
nitrogen dioxide
Definition
foul smelling reddish brown gas
Term
nitrogen oxides
Definition
nitrogen and oxygen react at high temperatures
Term
tropospheric ozone
Definition
a colorless gas with strong odor 03
Term
particulate matter
Definition
solid or liquid particles suspended in the atmosphere
Term
lead
Definition
particulate pollutants added to gas and used in industrial metal smelting
Term
volatile organic compounds
Definition
carbon containing chemicals emitted by vehicle engines and industrial processes that can react to produce ozone
Term
scrubbers
Definition
technologies that chemically convert or physically remove pollutants
Term
toxic air pollutants
Definition
substances known to cause cancer
Term
new source reviews
Definition
old utility plats have to install the best available technology when upgrading
Term
clear skies intiative
Definition
would have established a market-based cap and trade program for some pollutant
Term
smog
Definition
unhealthy mixtures of air pollutants over urban areas
Term
industrial (gray air) smog
Definition
formed when coal or oil is burned
Term
effects of smog
Definition
hot sunny windless days
nose, throat eye irritation
Term
ozone hole
Definition
ozone levels over anartica have declined 40-60%
Term
acid deposition
Definition
the deposition of acid or acid forming pollutants
Term
acid rain
Definition
precipitation of acid
Term
atmospheric deposition
Definition
the wet or dry deposition on land of pollutants
Term
effects of acid deposition
Definition
nutrients leached from soil
damage to agri crop
kills fish
erodes stone building
corrodes cars
Term
coltan
Definition
tantalum found with another mineral
Term
geology
Definition
the study of earth's physical features, processes and history
Term
rock cycle
Definition
heating, melting, cooling, breaking and reassembling of rocks and minerals
Term
rock
Definition
any solid aggregation of minerals
Term
mineral
Definition
any naturally occurring solid element or inorganic compound
Term
magma
Definition
the molten, liquid state of rock
Term
lava
Definition
magma released from the lithosphere
Term
igneous rock
Definition
forms she magma cools
Term
intrusive rock
Definition
magma that cools slowly below earth's surface
Term
extrusive rock
Definition
magma ejected from volcano
Term
sediments
Definition
particles of rock are blown by wind or washed away by water
Term
sedimentary rock
Definition
sediments are pressed together or dissolved minerals seep seep though sediment layers and bind sediment particles
Term
lithification
Definition
formation of rock through the processes of compaction and cementation
Term
clastic sedimentary rock
Definition
forms from physically eroded material
Term
chemical sedimentary rock
Definition
formed as dissolved precipitate from water
Term
metamorphic rock
Definition
great heat or pressure on a rock changes its form
Term
foliated rock
Definition
heat and pressure causes layers (slate)
Term
non foliated rock
Definition
not layered (marble)
Term
crust
Definition
thin, brittle, low-density rock that covers earths surface
Term
mantle
Definition
thick layer of denser rock
Term
aesthenosphere
Definition
upper mantle containing soft rock, melted in some areas
Term
core
Definition
dense, consists mostly of iron
Term
plate tectonics
Definition
the movement of lithospheric plates
Term
subduction
Definition
one plate of crust slides beneath another
Term
earthquake
Definition
places in the earth's crust where built up pressure is relieved
Term
volcano
Definition
where molten rock, hot gas, or ash erupts through earth's surface
Term
hot spots
Definition
plugs of molten rock erupt through the crust
Term
pyroclastic flow
Definition
a fast-moving cloud of toxic gas, ash, and rock
Term
mass wasting
Definition
the downslope movement of soil nd rock due to gravity
Term
landslide
Definition
sudden instance of mass wasting, rock soil collapses and flows downhill
Term
mudslides
Definition
heavy rains saturate the soil and cause movement of soil, rock, and water
Term
lajars
Definition
mudslides caused when volcanic eruptions melt snow and send volumes of mud downslope
Term
metal
Definition
element that is lustrous, opaque, malleable, and can conduct heat and electricity
Term
ore
Definition
mineral or grouping of minerals from which we extract metals
Term
overburden
Definition
overlying soil and rock that is removed by heavy machinery
Term
acid drainage
Definition
sulfuric acid forms and flows into waterways
Term
quarries
Definition
open pits for clay, gravel, sand, stone (limestone, granite, marble, slate)
Term
manganese nodules
Definition
small, ball-shaped ores scattered across the ocean floor
Term
alloy
Definition
substance formed by mixing, melting and fusing minerals
Term
smelting
Definition
removes metal from ore using heat and chemicals
Term
tailings
Definition
heavy metals and chemicals in the ore left after the metal has been extracted
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