Topic – Part of static series under the heading – “ocean currents”
5) Explain the factors that give rise to ocean current and discuss the impact of ocean currents on climate?(250 words)
GC Leong Physical geography ch 12
Key demand of the question
The question expects us to list the various factors impacting ocean current and discuss in detail how they impact ocean current. Next, we need to highlight the impact of ocean currents on climate.
Directive word
Discuss – Here, your discussion should focus on bringing out the impact of ocean current on climate.
Structure of the answer
Introduction – Briefly explain what ocean current are.
Body
- List the various factors that cause ocean current and explain how. The factors that need to be explained are Planetary winds, Temperatures, Salinity, The earth’s rotation and Obstruction from land
- Discuss the impact of ocean current on climate such as on local climate and on rains and desert formation. Explain the impact such as Gulf Stream which is driven to the western coast of Europe as the North Atlantic Drift keeps the coasts of North Sea warm which is unusual for such high latitudes and Cold currents are one of the reasons why deserts are located the western margins of continents in the sub-tropical belts.
