Geomorphology C (spring 2016) Flashcards
True or False
Topography is a controlling factor in your climate
True
True or False
As elevation decreases average temperature decreases
False
Know the Glacial Landscape drawing
It Will be Matching
Glaciers grow when snowfall amounts are ____than the amount of snow that melts in a year
greater
Glaciers have advanced across Mound ______ in the last million years
a. once
b. twice
c. 3 times
d. more than 3 times
d. more than 3 times
What is a continental glacier/
A glacier covering a large area spreading out from and area of large snowfalls
What is a valley or Alpine glacier?
A glacier flowing down from a mountain
What is an Ice cap
A Special name given to glaciers forming in the polar regions
Lake Superior causes Duluth to get ______ snow than most of MN
more
The Atmosphere has never exceeded 300 parts per million in n400,00 years. Because of our pollution what was the measurement we took in Mound during class?
over 350 parts per million
True or False
Being by a large body of water makes the winters cooler and cummers warmer
False
True or False
Being by a large body of water makes winters warmer and summers cooler
True
When an ice age occurs and glaciers form near the poles, global sea level ______
drops exposing more land that was once flooded
How is an Esker formed
A river channel of sand that was lowered to the surface when the glacier melted
The brief interruptions to glacial advance in an ice age are called _______
interglacial warm periods
What is the normal ice age cycle the Earth has been in for millions of years
90,000 years of ice advance followed by 10,000 years of warm time
What metric unit is best suited to measure the volume of a test tube
milliliter
Glaciers are ice that moves because the amount of snow and ice that collects in the zone of accumulation exceeds the amount that melts off in the zone of _____
ablation
True or False
as latitude increases average temperature increases
False
True or False
As latitude decreases average temperature increases
True
metric prefix for 1,000,000,000
giga
metric prefix for 1,000,000
mega
metric prefix for 1,000
kilo
metric prefix for 100
hecto
metric prefix for 10
deka
metric prefix for 0
base unit
metric prefix for 1/10
deci
metric prefix for 1/100
centi
metric prefix for 1/1000
milli
metric prefix for 1/100,000
micro
metric prefix for 1/1,000,000,000
nano
metric prefix for 1/1,000,000,000,000
pico
How much does sealevel have to rise to flood millions of people’s homes and cropland
3 feet
The world average temperature needs to change ______ celsius to create an ice age that would bury Mound in 10,00 feet of ice
5.5 degrees cooler
How does latitude change your climate
the closer you get to the poles the lower the sun angle is in the sky
Glaciers around the world are _____ in size
melting
Global circulation changes your climate. Thirty degrees latitude is _____ because of circulation of the atmosphere
dry
When the climate gets warmer, melting of the polar ice caps makes global sea level _______
rise, flooding land that was once dry
Glacier national park had 150 glaciers 1850. Today there are?
25
Mound was covered by a _______ glacier during the last glacial advance
continental
Glaciers are made of_______
fresh drinkable water
A decameter is best suited for measuring which distance
The length of a city block
Ocean currents change the climate. England has _____ because of ocean currents
warmer winters
The Earth has been experiencing ice ages for
over a billion years
Glaciers flow into minnesota during an ice age because…
snow keeps falling in Canada
When we study history we learn that human civilizations struggle and decline when the climate____
changes
What happens to ice when it is put under pressure?
it becomes soft and flexible and flows
How were the hills in Mound formed?
from Ground Moraine as the most recent glacier melted
The most recent ice age was how long ago
1.8 million years
The greatest area of snowfall during the last ice age was located
near Hudson Bay
