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While local salinity patterns are indeed influenced by factors like rainfall and evaporation, the salinity of the world’s oceans is determined by a complex interplay of various global processes. Analyse.

Topic: Salient features of world’s physical geography.

1. While local salinity patterns are indeed influenced by factors like rainfall and evaporation, the salinity of the world’s oceans is determined by a complex interplay of various global processes. Analyse. (250 words)

Difficulty level: Moderate

Reference: Insights on India

Why the question:

The question is part of the static syllabus of General studies paper – 1 and mentioned as part of Mission-2024 Secure timetable.

Key Demand of the question:

To write about to factors which determine the salinity of the oceans.

Directive word: 

Analyse – When asked to analyse, you must examine methodically the structure or nature of the topic by separating it into component parts and present them in a summary.

Structure of the answer:

Introduction: 

Explain what is ocean salinity.

Body:

Write about the various factors that determine the salinity of the oceans – Evaporation, Freshwater flow influx, temperature, density, Ocean Currents, Precipitation, Atmospheric pressure and Wind direction. Give examples from across the world.

Conclusion:

Conclude by summarising the above.