Geology Final Exam

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

radon is the

2nd leading cause of lung cancer

EPA action level

4 pCi/L

Fossil fuels represent % of US energy consumption

85%

2013 Boulder County floods were the most deadly in CO history

F

Basalt lava flows on GM reflect a violent period of caldera forming volcanic activity

F

CO currently uses all its water under the CO river compact?

F

flood plan is well known due to long history of floods

F

levees held in the 1993 Mississippi floods

F

which of the following formations are most commonly related to expansive clay problems in the Grand Valley?

Morrison Formation

May 2014 Collbran/West Salt Ck slide near GM was caused by fracking

T

Mississippi never had a significant flood until 1993

T

common hazard near Carbondale and GLenwood Springs is the formation of sinkholes

T

yellowstone is a hot spot

T

people can be harmed by levels as low as 2 pCi/L

True

not a typical property of asbestos

a gas

concern with mineral Pyrite

acid mine drainage

what was CO river compact?

agreement that allocated annual flow of CO river into western US

which of the following are key factors that partly determine whether or not a slope will fall?

all 3 slope angle mass of slope material and type of slope material

possible precursors of eruptions

all of the above

Hurricans

all of the above, atlantic ocean

ground water reps

ancient water

biological soil crust

are common throughout the US

a drainage basin is the

area which a river collects water

Hurricanes most commonly strike the

atlantic coast and gulf

which of the following helps to decrease wave energy?

beach with gentle offshore slope

dangerous form of asbestos

blue

statement about hydrocompaction is ture

broad depressions that look like sinkholes can form as silty soil si compacted...

The US Army Corps of Engineers has altered the channel of the Mississippi River from its natural state in all of the following ways with the EXCEPTION of which of the following?

built huge dams

How has the Mississippi River been altered?

built huge dams at the mouth of the Mississippi

why is mt rainer suseptible to lahars

capped by snow and ice

most dangerous volcanoes in the US

cascade mtns

mt pinatubo erruption of 1991

cause few deaths due to evacuation

hydrograph shows

changes in rivers discharge overtime

slope failure along the flanks of GM is primarily related to

clayrich weak shale and steep topography

Which of the alternative energy sources produces the most energy in the US?

coal

Unforeseen consequence of levees and Old River Control in Louisiana

coastal land loss

Natural geologic cause of land subsidence

collapsing cave roofs

use of radium

combating certain types of cancer

The EPA max level for selenium is 4.6 ppbb. value is example of

concentration

Convergent plate boundaries are subducted because

continental crust is less dense than oceanic crust

slow downhill movement of soil is referred to as

creep

expansive clay are potential problem with respect to

damage to structures and foundations

ouray has had many problems in the past with

debris flows

US oil consumption is and oil production is

decreasing decreasing

which is not true for deltas

deltas are rarely affected by humans

oil shale in western CO

deposit formed in ancient lakes that once covered

flood frequency curve is generally

determines the recurrence interval of flows

problems associated with selenium include

disruption of aquatic bird and fish reproduction

collapsible soils are common

dry climates where soil is undercompacted

Assume that lake erie is contaiminated with PCBs. Which is most hazardous to your health in terms of PCBs

eating fish from lake erie

which of the following environmental problems could have the largest global impact associated with the burning of fossil fuels?

emissions of CO2

which of the following would lower the potentiometic surface of confined aquifer?

excessive ground water pumping

volcanic hazards are a major concern for CO

false

Problems with artificial levees

flase sense of security

calderas

form as a result of collapse during catastrophic volcanic eruptions

plate tectonics boundaries are where

geological processes are especially active

Base flow in a river is controlled by

ground water

the largest source of liquid freshwater is

ground water

sedimentary basins contain

ground water, oil, and gas

karst subsidence is associated with

gypsum./limestone

One of the biggest disadvantages of geothermal energy is that it

has a limited distribution

how does radon originate

heating uranium bearing rocks

Which of the following is not a problem of nuclear power?

high emission of gases

what do aquifers generally have in common?

high porosities and permeable

most violent eruptions are associated with

high viscosity and high gas emissions

to minimize potential problems with expansive clays it would be best to

house area kept dry

lake on GM formed due to

huge landslides

ground water mining can cause all the following except

hydroeletric power

evidence of global warming include all of the following except

increasing concentrations of SO2

100 year flood plan is important because

insurance

which of the following leads to water with high salinities

intensive irrigation in places GV and abundant marine shales like mancos

pyrite consists of

iron and sulfur

critical problem with alfred wagner's theory of continental drift was that

lacked mechanism to explain how continents moved

Urbanization can cause Flood Hydrographs and Flood frequency curves to show

larger peak flows

sand beach replenishment lasts

less than 5 years

biological soil crust consists of

lichens, mosses, and cyanobacteria

attempts to decrease salinity and selenium in the CO river include efforts to

line canals and ditches with concrete and minimize the amount of excess irrigation water

plate tectonics are represented by

lithosphere

Subsidence is

lowering of land surface

how did water quality studies in Lake siskiwit alter understanding of water pollution?

many pollutants travel through air

slope failure due to gravity is referred to as

mass wasting

natural gas can form as

microbes decompose and deep burial and heating

convergent plate boundaries are associated with

mid ocean ridges

which is true about radon gas

mobile in air but not water

coal bed methane involves the production of

natural gas

most explosive volcanic eruptions occur

near subduction zones

one of the most stunning consequences of water use on the CO river is that

no longer flows all the way

which energy source produces the most electricity in the US and globally that is not a fossil fuel?

nuclear

Hypoxic waters in the gulf mexico

nutrient loading

fertilizers are common source of which waste polluntant?

nutrients

alternative sources of clean energy include all of the following except

oil shale

which is not true about coastline erosion

only 20% of US coastlines are eroding

Hypoxic waters have low amounts of

oxygen

environmental concern related to gas exploration in Piceance Basin

potential for polluting ground water

Which of the following IS NOT true concerning earthquake hazards?

precursor phenomena

slope problems along the river bluff in the redlands area all have the following in common:

presence of weak shale and sharp bend in CO river

Most dangerous and swift moving volcanic hazards

pyroclastic flow

vanadium from the uravan mineral belt

radioactive properties

Which of the following are ways in which dams impact rivers?

reduced floods and reduced transport of sand

One of the main goals of the CO river controlled floods in 1996 through 2010 was to

replenish sand bars

one of the disadvantages of solar energy is

require large amounts of land

The magnetic field of the earth has done which of the following?

reversed polarity numerous times in the past

calculate discharge through

riverss flow velocity and cross-sectional area

techniques used to minimize rockfall in Glenwood

rock bolts, concete buttresses and wire fences

in order to extract oil from oil shale which of the following must take place?

rock must be heated to high temps for long time

the seattle area is prone to large earthquakes because

san andreas fault

what 1960s key evidence was discovered that led to plate tectonics

sea floor spreading

coastlines are eroding because

sea levels are rising

mt rainer threatens

seattle

sedimentary basin

sediment filled depression

purpose of Old River Control Structure

shifting location of the channel

Problems with constructing a flood frequency curve

short records and human activities

most common natural hazard in CO are

slope hazardss

expansive clays are made of

smectite

in the saturated zone

spaces between sand grains filled with water

max. soil erosion occurs

sparse and arid areas

which of the following statements concerning Mt. St. Helens is TRUE?

the eruption was expected

selenium is common in our area because

there is lots of Mancos shale

drainage basin characteristics that least favor flash flooding

thick soils and vegetation

longshore currents move sediment due to

tidal fluctuations

ring of fire is made up of huge shield volcanoes

ture

generally not a concern of Dams

unwanted river erosion downstream of the dam

critical role in mining in GJ

uranium

which of the following is not a fossil fuel?

uranium

natural way to clean acid mine drainage

use wetlands as organic filter

aquiclude or confining beds are characterized by

very low permeability

lahars are

volcanic mudflows

storm runoff represents the amount of

water that enters in a river in response to a rainstorm event

Majority of Selenium load in CO river comes from

west CO

asbestos is controversial becauseof

wide spread, not equally dangerous, and expensive to fix

The movement of beach sediment by Littoral or Longshore currents is typically driven by

wind at oblique angles

how can you identify a river affected by acid mine drainage

yellow color and low pH levels

advantage of using beach replenishment to slow down or stop coastal erosion

you dont have to build hard structures


Set pelajaran terkait

Week 3: Theories of Substance Use and Models of Addiction

View Set