Erosion
The process by which sediment and other materials are moved from one place to another
Deposition
The process by which eroded material is dropped
Why do some Streams and River have more erosion and deposition than others
Gradient, load and discharge
Which landforms were created by erosion or deposition
Deposition: Floodplain, Delta, and Alluvial Fan
Erosion: Meander, Channel, Canyon, Valley, stream
Where is a sea cave. sea arch. sea stack, head land, and wave-cut platform located
Sea Cave: Darker inner circle
Sea Arch: Arch in the sea
Head Land: Long finger shaped land
Wave-Cut Platform: Near the headland getting eroded by the waves
Sea Stacks: Stacks of eroded sediment in the sea on top of eachother
How Does Wind Speed Affect Sediment
If the wind is at a high, harsh speed then the particles will be carried and eroded
Whats the difference between a Loess and a Dune?
Loess: Thick deposits of this wind-blown, fine-grained Sediment
Dunes: Mounds of wind-blown sand. Losses contain silt and clay while a dune only contains sand
Name and Describe Landforms made by Alpine Glaciers
Cirques: Bowl shaped depressions where glacial ice cuts back into the mountain walls
U-shaped Valley: When a glacier eroded a v-shaped valley from a v to a u shape
Name and Describe Landforms made by Continental Glaciers
Erratics: Large boulders that were transported and deposited by glaciers
Kettle Lakes: When chunks of ice are deposited by a glacial drift builds up around the ice blocks, letting the ice melt and form a lake.
What events can trigger rapid mass movement
- Deforestation
- Heavy Rains
- Earthquakes
- Volcanic Eruptions
- Construction on Unstable Slopes
- Gravity
List the different types of mass movement and categorize whether they are slow or rapid
- Creep/slow
- Mudflow/fast
- Rockfall/fast
- Landslide/fast
Where are the Largest Glacial Grooves in the World Found? How were they formed?
Kelly’s Island at Lake Erie/
When the Glaciers were sliding down due to gravity carrying sediment and depositing while eroding the Earth surface
What are three factors that affect stream erosion and deposition
Gradient: The measure of the change in elevation over a certain distance
Load: Materials carried by a stream
Discharge: The amount of water a stream carries in a given amount of time
How did the Modeling a Glacier Lab Demonstrate the Destructive Geological Processes that Formed Earth’s Surface?
- Showed how Glaciers erode Earth’s surface as the ice moved downhill due to gravity and collect sediment on its surface
- Shows how a runoff first forms on the hill later turning into a river as the water erodes or dissolves the earth’s surface and due to the glaciers abrasive surface
Contour Lines
Connects points of equal elevation
Contour Interval
The difference in elevation between two contour lines
Index Contour
A thicker contour line that often has an elevation label every 5 contour limes
How can you identify land features on a topographic map
- Contour lines that form small, closed circles may represent a hill or a mountain peak
- Closed circles may also represent a depression.
- Contour lines that cross a valley are v-shaped.
- Contour Lines that show a ridge may also form a v-shape
- Contour lines that are stacked very close together may represent a cliff or road cut
What were the purpose and what did you learn in the Topographic Map Lab activity?
- How to make contour lines and understand how they work
- What the elevation labels mean and what closed circles and other land features represent on a topographic map
How can Remote-sensing images be used to show changes in land features over time
By comparing old photos to recent ones and comparing the vegetation or environment of one decade to the recent one
Remote Sensing
The process of gathering and analyzing information about an object without physical contact with the object
Global Positioning System(GPS)
A network of satellites orbiting Earth
Geographic Information System(GIS)
A program used to view and makes images and maps
Relief
The difference between the highest and lowest elevations in a particular area
