chapter 27.2 Flashcards
What is the difference between weathering and erosion?
weathering breaks down materials
erosion is the removal of surface material
if the slope ever decrease what will happened t the rivers speed
it decreases
what are small streams flow in larger rivers
trubutaries
land area that gathers water for a major river is called
drainage basin
a boundary that separates distinct drainage basin is called
drainage divide
as water flows downhill under the influence of gravity, water erodes’s earth’s surface creating
channels
young rivers due to fast movement
V-shaped
rivers are wide with smooth and gentle slopes
mature
what type of landfrom is created when rivers flood and drop there sediment load
flood plains form along the valley sides
what is a fan-shaped sediment deposit will from at the mouth of the river
deltas
branching channels created by deltas
what is from where the mouth of a river or stream enters dry land
alluvial fans
what are the two types of glaciers?
valley glaciers
continental glaciers
where do valley glaciers form?
high mountain regions
where do continental glaciers form?
colder climates
occupy large land areas
where are the two continental glaciers located?
Greenland
Antartica
what is a cirque?
bowl shaped basin
what is an arete?
form where 2 adjacent valley glaciers meet and erode a long, sharp ridgeline between valley glaciers
what is a horn in a mountains region?
sharpened peaks
what shape of valley do valley glaciers form?
U-shaped valleys
what are tributary glaciers?
small glaciers that feed into large glaciers
what type of valleys do tributary glaciers form?
hanging valleys
which side of the sand dune erosion occur?
windward side
which side does deposition occur?
leeward side
what is deflation?
removal of small particles by wind
what causes desert pavements?
small particles are removed the remaining surface
the shape and size of landforms depend on what?
wind speed
amount of times the wind blows
sediment supply
what are 3 landforms that are created by wave erosion
coastal cliffs
sea arches
sea stacks
what two examples of wave depostion
sand bars
sand spics
what is sand spics
sandbars that extend into the water from land and curve back toward land in a hook shape
what are some things that can cause mass wasting
snow
heavy rain
earthquakes
what are some examples of mass wasting?
rock slides
mudlows
landslides
