Chapter 14 Flashcards
Sediments deposited directly by glaciers as they melt are termed
till
When sea level rises, causing the ocean to fill a glacially carved valley, a _____ results.
fjord
Valleys carved by glaciers tend to be shaped like the letter _____, whereas valleys carved by water tend to shaped like the letter _____.
“U” ; “V”
A lake that forms within a bowl-shaped depression formed by a mountain glacier is termed a(n)_____.
tarn
During glacial epoch, global sea level is
lower because water is stored on the continents
Ice is a substance with a high albedo, which means it
reflects most of the light that falls upon it
The current interglacial interval began a little more than _____ years ago.
10,000
An important long-term factor determining whether glacial ice will form on the continents has likely been the proportion of which gas in the atmosphere?
carbon dioxide
For each item, select the letter which labels the correct part of the image.
The Question: Where in this illustration does the total annual amount of snow fall exceed the total annual amount of snow melting?
E
Lake Bonneville was the predecessor of
Great Salt Lake
Bowl shaped glacier-
Horn-
Tarns-
cirque glacier
Peak of 3 or more glaciers
lake forms in a cirque
How do Glaciers form?
More snow than is melting, snow turns to ice, zone of accumulation is faster than zone of oblation
zone of oblation is faster than zone of accumulation
glacier will shrink
What is a moraine?
accumulation of rock debris (till) carried or deposited by a glacier
Aretes
ridge along mountain between two glaciers
