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Natty D - Final Test 4
Boobies and tits
36
Geology
Undergraduate 3
12/14/2010

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Cards

Term
What is the cause of seasons on Earth?
Definition
the steady orientation of the Earth’s axis as we move around the sun
Term
Which of the following conditions is most favorable for glacier formation in the northern hemisphere?
Definition
warm winters and cold summers
Term
Which of the following is true about glacial ice sheets?
Definition
they form very slowly and melt relatively quickly
Term
The wobble of the Earth’s axis of rotation causes seasons to reverse every.....?
Definition
13,000 years
Term
Which of the following types of variations, described by the Milankovich cycles, closely approximates
the periodicity of last 10 or so ice ages?
Definition
) the eccentricity (stretch) of the Earth's orbital revolution
Term
A rapid melting of polar ice caps will produce……
Definition
large quantities of fresh water which will cause sea level to rise
Term
El Ninos are short term climate changes related to...
Definition
changes in surface ocean currents
Term
Why does an El Nino radically disrupt the fisheries off the coast of South America
Definition
the warm water prevents the upwelling of nutrient rich deep water
Term
Current global observations reveal that the most dramatic climate changes are occurring__________?
Definition
in the Arctic
Term
Which of the following could potentially change climate on the longest term?
Definition
deep ocean currents
Term
An importnat climate-data set that farmers have been routinely collecting for over 150 years is the?
Definition
the Pan Evaporation Rate
Term
Sunspot cylces last about_____years?
Definition
11
Term
Humans have a dual effect on climate?
Definition
pollution cools and carbon dioxide warms
Term
Pollution in the atmosphere has the potential to cause?
Definition
less rain
Term
The ocean current called the ________along the west coast of U.S. is ______ and flows ______.
Definition
California current, cold, south
Term
How did the 9-11 tragedy play a role in climate studies?
Definition
grounding of airliners allowed for unprecedented atmospheric measurements
Term
What describes the pan-evaporation rate?
Definition
A) the daily rate of evaporation from a pan exposed to the sun
B) a data set that farmers use to supply adequate water to crops
C) a measurement that varies depending on incident photons of light
D) the pan evaporation rate is effected by solar energy and wind speed
E) all the above are true
Term
If global dimming is true what does it mean?
Definition
that we might be underestimating the effect of carbon dioxide in future climate models
Term
Which of the following is the source of the energy for all storm development?
Definition
water vapor rich air
Term
Which of the following would help to kill a hurricane?
Definition
A) land B) jet stream C) cold water D) dry air E) all of the above
Term
Which of the following would be the most likely location for a hurricane to develop?
Definition
15 degrees N. latitude, in July, off the west coast of North America
Term
Hurricanes in the northern hemisphere generally move...
Definition
to the west and north
Term
If a hurricane hits a steep and rugged coastline what hazard is the main threat?
Definition
rain
Term
Which US state listed would be least likely to be hit by a hurricane?
Definition
cali
Term
What can a hurricane never do?
Definition
go over the equator
Term
If a current hurricane is named Kevin what will the next one potentially be named?
Definition
Linda
Term
The dynamic aspect of hurricanes that has historically killed the most people around the world is....
Definition
the oceanic storm surge
Term
Surfing waves are formed by....
Definition
wind
Term
If we get 1-thirty foot swells every century how many will happen in a million years?
Definition
10,000
Term
The distance that the wind blows over the water when forming waves is called...
Definition
fetch
Term
Which of the following best describes a rogue wave?
Definition
) an unusual and dangerous large ocean wave
Term
What is a description of the hazard caused by the periodic arrival of waves trains?
Definition
surf beat
Term
From 135,000 years ago to 17,000 ybp what climate and sea level changes occurred?
Definition
cooling, 400 feet drop in sea level
Term
How would high pressure on the east coast effect the path of a hurricane as it approached from the east?
Definition
the hurricane would be directed to the left of the high
Term
What is true about hurricane formation and maximum life span?
Definition
they form over warm ocean and can last for weeks
Term
What principle weather/climate factor made big waves possible in 1997?
Definition
a strong El Nino spawned hybrid cyclone
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