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
|
|
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
|
|
Term
Which of the following could potentially change climate on the longest term? |
|
Definition
|
|
Term
An importnat climate-data set that farmers have been routinely collecting for over 150 years is the? |
|
Definition
|
|
Term
Sunspot cylces last about_____years? |
|
Definition
|
|
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
|
|
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
|
|
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
|
|
Term
If a hurricane hits a steep and rugged coastline what hazard is the main threat? |
|
Definition
|
|
Term
Which US state listed would be least likely to be hit by a hurricane? |
|
Definition
|
|
Term
What can a hurricane never do? |
|
Definition
|
|
Term
If a current hurricane is named Kevin what will the next one potentially be named? |
|
Definition
|
|
Term
The dynamic aspect of hurricanes that has historically killed the most people around the world is.... |
|
Definition
|
|
Term
Surfing waves are formed by.... |
|
Definition
|
|
Term
If we get 1-thirty foot swells every century how many will happen in a million years? |
|
Definition
|
|
Term
The distance that the wind blows over the water when forming waves is called... |
|
Definition
|
|
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
|
|
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 |
|
|