Review Questions for Chapter 11
- Wind: Global Systems
- What is the "single cell" model
of the general cirulation?
- Why is the pressure low at the equator and
high at the poles with the single cell model?
- why does air sink over the poles with the
single cell model?
- What are the assumptions made with the
single cell model?
- What is the three-cell model of the
general circulation?
- What creates the three-cell model? What
are the three cells?
- what is the global surface wind and
pressure distribution with this model?
- physically explain the global precip.
distribution generated by the three-cell model.
- What is the world pressure distribution in
January and July?
- Describe the semi-permanent areas of high
and low pressure.
- How are cold-core lows, cold-core highs,
warm-core lows, and warm-core highs generated? Are they
shallow or deep systems? What are examples of each?
- Why is the weather at LA much drier than
at Atlanta?
- What are the two jet streams and how are
they created?
- Where is a jet streak located?
- What are the primary ocean currents around
the globe?
- What generates the ocean currents?
- Why does an ocean current not flow in the
same direction as the winds?
- How does upwelling occur and what is it's
importance?
- What is El Nino? How often does it occur?
When was the strongest El Nino?
- How do pressure, precipitation, SSTs and
ocean currents change in the equatorial pacific during an
el nino event?
- What is ENSO?
- What are the dominant climate anomallys
associated with El Nino over the US?
- What is La Nina?