chapter 27.2 Flashcards
(33 cards)
what is the difference between weathering and erosion
weathering is the breakdown of materials and erosion is the removal of materials
what happens to the speed of a river if the slope of the river decreases
the rivers speed decreases
what are small streams that flow into larger rivers called
tributaries
what is the land area called that gathers water for a major river
drainage basin
what is the boundary called that se[erates distinct drainage basins
drainage divide
when water flows downhill due to gravity water erodes earths surface creating
channels
young rivers create what shape due to fast movement
v-shaped
what type of rivers are wide with smoothe and gentle slopes
mature
when rivers flood and drop their sediment load
flood plains
what are the fan shaped sediment deposits that form at the mouth of a river
deltas
what are the branching channels called that are created by deltas
distributaries
what forms when a river or stream enters into dry land
alluvial fans
what are the two types of glaciers
valley, and continental
where do valley glaciers form
in high mountainous regions
where do continental glaciers form
large land areas in cold climates
where are the two continental glaciers located
Greenland, and Antarctica
what is a cirque
a bowl shaped basin
how do aretes form
form where two adjacent valley glaciers meet and erode a long, sharp ridge line
what are horns
sharpened peaks
what shape of valleys do valley glaciers create
U-shaped valleys
what is a tribuatary glacier
small glaciers that feed into large glaceriers
what type of valleys do tributary glaciers create
hanging valleys
on which side of the dune does the erosion occur
the windward side
on which side of the dune is sediment deposited
the leeward side
