Topic– part of static series under the heading – “Ocean bottom relief”
6) Which are the main factors that affect ocean relief? Explain the major relief features of ocean floor?(250 words)
Key demand of the question
The question is self explanatory in its demand. It expects us to list the factor that contribute to ocean relief and how. Thereafter, we need to mention the major relief feature of ocean floor and explain them.
Structure of the answer
Introduction – Explain what is meant by ocean bottom relief and how our understanding of ocean bottom has evolved with time.
- Explain how the various factors contribute to ocean relief – Ocean relief is largely due to tectonic, volcanic, erosional and depositional processes and their interactions.
- List the major ocean relief features – the continental shelf, the continental slope, the continental rise, the Deep Sea Plain or the abyssal plain,Oceanic Deeps or Trenches, mid oceanic ridges. Explain these features.