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Oceans
Lecture number 22
12
Geology
Undergraduate 2
05/09/2010

Additional Geology Flashcards

 


 

Cards

Term
_____tides are defined as being the lowest tidal range occurring near the times of the first and third quarters of the moon, when the gravitational force of the moon and sun are offset.
Definition
Neap tides
Term
_________: the highest tidal range, occurring near the time of the new and full moons, when the gravitational forces of the moon and sun are added.
Definition
Spring Tides
Term
________ are the periodic change in the elevation of the ocean surface, caused by gravitational forces of the moon and sun.
Definition
Tides
Term
The Great Pacific Garbage Patch is ____the size of Texas.
Definition
Twice
Term

This is the deflection of currents by Earth's rotation.

 

Northern Hemisphere: clockwise           

 

Southern Hemisphere: Counter-clockwise

Definition
Coriolis Effect
Term
What is the Golf Stream?
Definition
Powerful, warm, and swift-driven ocean current that transports warm tropical water from the Caribbean Sea and the Gulf of Mexico across the North Atlantic toward Northern Europe.
Term
More than ________% of Earth's water is contained in Oceans.
Definition

97%

 

2.15% found in Glaciers       

0.62% found in Ground water

Term

Ocean Zones

 

Name 3.

Definition

Coastal Zone: area between low-tide line and landward limit of highest storm wave

 

Neritic Zone: Shallow water zone above continental shelf

 

Oceanic Zone: all completely open water

Term

Ocean Zones: Depth. Pick one and explain it.

 

Mixed Layer

 

Pycnocline

 

Pelagic Zone

 

Benthic Zone

Definition

Mixed layer: surface zone of ocean. Warmed by sun and mixed by wind and waves.

 

Pycnocline: transition zone of abrupt vertical density change

 

Pelagic Zone: all open ocean: not near coast or sea floor.   

 

Benthic Zone: Water near to coast or sea floor.                  

Term
Ocean water has the average salinity of _______%.
Definition

3.5%

 

Freshwater: 0.5%

Term
Ocean______decreases as depth increases.
Definition
Ocean Temperature
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