Coastal Processes
During a rainfall, surface runoff will probably be greatest in an area that has a
a. steep slope and a clay-covered surface
b. steep slope and a gravel-covered surface
c. gentle slope and a tree-covered surface d.gentle slope and a grass-covered surface
a steep slope and clay covered surface
Which natural event temporarily slows or reverses surface ocean currents in the equatorial region of the Pacific Ocean, causing a disruption of normal weather patterns?
a. Monsoons
b. Volcanic eruptions
c. El Niño
d. Deforestation
c. El Niño
The Gulf Stream and North Atlantic Current modify the climate of northwestern Europe by making the climate
a. warmer and drier
b. warmer and more humid
c. cooler and drier
b warmer and more humid
The map to the right shows the area surrounding a meandering stream. At which letter point is erosion the greatest?
B
Swimmers notice that it is easier to float in ocean water than it is to float in freshwater. Why is it easier to float in the ocean?
Saltwater is more dense than freshwater
The Florida and Gulf Stream ocean currents along the east coast of North America are both
a. warm currents that flow northeastward
b. warm currents that flow southwestward
c. cool currents that flow northeastward
d. cool currents that flow southwestward
a warm currents that flow northeastward
Why do the particles carried by a river settle to the bottom as the river enters the ocean?
The velocity of the river water decreases as it enters the ocean.
Rivers and streams that begin high up in the mountains flow quickly downhill, eroding the landscape vertically. What is the shape of the valley they leave behind in the surrounding bedrock?
v shaped
What is the name of the ocean current that impacts you and your neighbors?
Gulf Stream
As the gradient of a stream increases, the stream's ability to carry sediment
(increases / decreases / remains the same).
increases
Which of the following best explains how barrier islands, spits, and sandbars are formed?
a. Volcanic eruptions push land up from the ocean floor
b. Ocean currents and waves deposit and move sand along the coastline over time
c. Glaciers carve out the lasnd and leave behind large rock formations
d. Earthquakes cause sudden shifts that create sandy landform
b. Ocean currents and waves deposit and move sand along the coastline over time
How do ocean currents shape coastlines?
a. They only erode cliffs and do not deposit material
b. They move sand and sediments, forming features like barrier islands, spits, and sandbars
c. They only affect deep ocean floors, not coastlines
d. They move the sediments back and forth in a straight line
b. They move sand and sediments, forming features like barrier islands, spits, and sandbars