chapter 27.2 Flashcards
what is the difference between weathering and erosion
weathering breaks down materials and erosion removes the surface material
if the slope of a river decreases what will happen to the river speed
decrease
small streams that flow into rivers are called
tributaries
land area 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 landform is created when rivers flood and drop their sediment load
flood plains
what is a fan shaped sediment deposit that will form at the mouth of a river
deltas
what are distributaries
branching channels created by deltas
what is formed where the mouth of a river enters dry land
aluvial fans
what are two types of glaciers
valley and Continental
where do valley glaciers form
high mountainous regions
where do continental glaciers form
colder climates that occupy large land areas
where are the two continental glaciers located
one in Greenland and one in Antarctica
what is a cirque
bowl shaped basin
what is an arete
form where 2 adjacent valley glaciers meet and erode a long sharp ridgeline
what is a horn in mountainous region
sharpened peaks
what shape of valley do valley glaciers form
the letter u
what are tributary glaciers
small glaciers that feed into large glaciers
what type of valleys do tributary glaciers form
create hanging valleys
on which side of a dune does erosion occur
winward side
which side does deposition occur on
leeward side
