chapter 27.2 Flashcards
(33 cards)
what is the difference of weathering and erosion
weathering breakdown of material
erosion removal of surface material
if the slope of a river decreases what would happen to the rivers speed
speed would decrease
small streams that flow into large rivers are called
tributaries
land areas that gathers water for a major river is called a
drainage basin
a boundary that separates distinct drainage basins is called a
drainage divide
as water flows downhill under the influence of gravity, water erodes earths surface creating
channels
young rivers are _______ due to the fast movement
v-shaped
________ rivers are wide with smooth and gentle slopes
mature
what type of land form is created when rivers flood and drop their sediment load
flood plains
what is a fan-shaped sediment deposit form at the mouth of a river
deltas
what are distributaries
branching channels created by deltas
what is form when the mouth of a river or streams enters dry land
alluvial fans
what are the two types of glaciers
valley and continental
where do valley glaciers form
high mountanous regions
where do continental glaciers form
in colder climates and occupy large land areas
where are the two continental glaciers located
Greenland and Antarctica
what is a cirque
bowl shaped basins
what is an arete
long sharp ridge line between valley glaciers
what is a horn in a mountainous region
sharpened peaks
what shape of valley do valley glaciers form
U-Shape valleys
what are tributary glaciers
smalls glaciers that feed into the large glaciers
what type of valleys do tributary glaciers form
hanging valley
what side does a sandone erosion accur
windward
which side of a sandone does deposition accur
leeward
