Chapter 17- The General Circulation

Question 1

40.40.2

State the predominant factors that control the transfer of heat around the globe.

Answer 1

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Question 2

42.40.4

Explain what is meant by ‘zonal index’, and ‘zonal winds’.

Answer 2

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Question 3

42.40.6
Describe ‘high zonal index’ and ‘low zonal index’, and state how these situations relate
to the: (a) speed and direction of low tropospheric weather systems;

Answer 3

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Question 4

42.40.6
Describe ‘high zonal index’ and ‘low zonal index’, and state how these situations relate
to the: (b) strength and uniformity of upper level westerlies and jet streams.

Answer 4

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Question 5

42.40.8

Explain what is meant by the term “Short Waves”.

Answer 5

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Question 6

42.40.10
Describe the processes involved in the development of a ‘blocking anticyclone’, and
explain its influence on meteorological conditions in New Zealand when the system is
to the west of the country and when it is to the east.

Answer 6

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Question 7

42.40.12

Explain what is meant by the terms ‘cold pools’ and ‘warm pools’.

Answer 7

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