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ICE AGE
Catastrophe:The Day the Sun Went Out video
37
Geology
Undergraduate 2
12/03/2007

Additional Geology Flashcards

 


 

Cards

Term

What culture first discovered tree rings?

Definition
Ancient Greeks
Term
What scientist first discovered the relationship between tree rings and climate?
Definition
Leonardo DaVinci
Term
What are crannogs?
Definition
Wooden forts built over water
Term
How may the climate have influenced the building of crannogs?
Definition
Forced people to build on more marginal areas
Term
After the sack of Rome by the Huns and Goths, where was the new capitol built?
Definition
Constantinople
Term
According to John of Ephesus, how many months was the sun darkened?
Definition
18 months
Term
In 540, what fell like snow in China?
Definition
Yellow dust
Term
According to climatologists, what 3 agents can create "dust veils"?
Definition
Volcano, asteroid, comet
Term
If the A.D. 535 event was caused by an asteroid, how large was the asteroid?
Definition
4 kilo across
Term
Since no large impact crater has been found, what alternative impact theory has been suggested?
Definition
Comet fragmentation
Term
What is a possible association between King Arthur and the A.D. 535 event?
Definition
He died before, stuff falls from sky, odd
Term
What agent of climate change is suggested by the sulfuric acid spike in the ice sheets?
Definition
Volcanic eruption
Term
If the dust from an eruption is to cover the earth, where must the volcano be located?
Definition
Near the equator
Term
What do the Chinese record in A.D. 535 that suggests a volcanic eruption?
Definition
Loud bang from SW - no lightning; mysterious
Term

What is the world's most notorious volcano and where is it located?

Definition
Krakatoa; Indonesia
Term
How many people were killed by the 1883 eruption of Krakatoa?
Definition
36,000
Term
Why will carbon-14 samples be unavailable if a volcano is particularly active?
Definition
Plants wouldn't get established
Term
How did the Tambora eruption of 1815 impact weather in New England?
Definition
Frost every month in summer
Term
When was the last great subsistence crisis?
Definition
1815
Term
What plague broke out across the Mediterrean in A.D. 542?
Definition
Bubonic Plague
Term
What causes fleas to start spreading the plague to humans?
Definition
Never satisfy hunger, jump on anything for blood
Term
What climate conditions favor the spread of the plague?
Definition

Cold; rain

Term
Where did the Justinian Plague probably originate?
Definition
Ethiopia
Term
What type of trade probably spread the plague to Europe?
Definition
African ivory
Term
Name 2 ways that the plague impacted the Roman legions.
Definition
1 - kill the recruits; 2 - less money
Term
What military edge did the Avars have?
Definition
Large amount of horses
Term
What climate change finally allowed the Turks to defeat the Avars?
Definition
Cold and drought
Term
Why were the Turk's cattle better able to adapt to this climate change, than the Avars' horses?
Definition
Greater efficiency to digest; can eat a variety of vegetation
Term
Where did the displaced Avars now turn their attention?
Definition

West towards Europe

Term
In addition to Rome, what American city collapses as a result of the A.D. 535 Event?
Definition
Teotihuacan, New Mexico
Term
According to Rebecca Storey, what age group was most impacted by this drougt?
Definition
Babies; under 25
Term
How did the people of this city finally respond to this 30 year drought?
Definition
Rose up against the leader; set fire to the roof
Term
What happened to Britain in A.D. 547?
Definition
Bubonic Plague arrived
Term
What allowed the Anglo-Saxons to move westward across Britain during this time period?
Definition
Partially empty lands
Term
What new religion rose in the 6th century?
Definition
Islam
Term
What brought the downfall of teh ancient Yemen Empire and the migration to Medina and Mecca?
Definition
Drought; storms weakened dam
Term

Name 2 modern supervolcanoes

Definition
Yellowstone; Long Valley
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