Streams and Floods
Oceans and Waves
Ground Water
Glaciers and Ice ages
Costal Landforms
100
What type of stream constantly refills itself from the groundwater table?
Gaining Stream
100
what ocean movement dictates where the sediment flows from and to?
Longshore Current
100
What is the top of the groundwater zone called?
Water Table
100
Is ice considered a mineral?
Yes, it is a naturally occuring crystal structure.
100
How many high tides are there in a 24-hour day?
two
200
What geological structure forms when rivers spread sediment into a standing body of water?
River Delta
200
What structure interrupts longshore currents and causes sediment buildup?
Groin
200
What kind of aquifer is trapped under an impermeable layer?
Confined Aquifer
200
What forms when compacted snow recrystallizes into dense ice?
Glacial ice
200
What forms when a meander is cut off from a river?
Oxbow lake
300
If a river fills with water during a rain storm but is dry at all other times, what type of river would it be?
Losing Stream/Ephemeral Stream
300
What happens to wave speed when waves approach shallow shorelines?
They slow down and grow taller
300
what force decides how high the water rises from a confined aquifer when a pipe is drilled into it? (this force is the same as Water towers above ground)
Potentiometric Surface
300
How deep do Crevasses go on a glacier
50 meters deep
300
What are the three sections of a river?
Headwaters, Flood Plains, Deltas
400
What causes floods to become more frequent over time?
Climate change and urbanization disrupting the environment
400
What kind of event causes a tsunami?
Underwater earthquakes, landslides, or asteroid impacts
400
What happens when coastal freshwater aquifers are overpumped?
Saltwater Infusion
400
What are the two zones of a glacier?
Accumulation and ablation zones
400
What protects coastlines but is sensitive to temperature changes?
Coral Reefs
500
How many 100-year floods are shown in the graph?
One (the final bar at the end)
500
Are Tsunamis deep waves or shallow waves? why?
shallow waves, the wave depth of a tsunami is always greater than the height of the ocean
500
What is the term for the local dip in the water table near a well?
Cone of Depression
500
Why are glaciers retreating today?
Global Warming raising the equilibrium line of mountains
500
what are the two sides of a meandering stream called? which one is erosional and which is depositional?
Point Bar and Cut Bank. Point Bars are depositional, Cut Banks are erosional