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 Ocean Currents, Monsoon & Climate Zones – Quick Revision (Page 3)

📚 Shaktimatha Learning

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This page provides concise revision points for quick understanding and last-minute preparation for UPSC and other competitive exams.

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 Ocean Currents – Key Points

• Continuous movement of seawater in a fixed direction
• Warm Currents: Increase temperature of coastal regions
• Cold Currents: Decrease temperature and bring nutrients
• Support marine life and influence climate
• Examples: Gulf Stream (Warm), Labrador Current (Cold)

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Monsoon – Key Points

• Seasonal reversal of winds
• South-West Monsoon: June–September (major rainfall)
• North-East Monsoon: October–December (Tamil Nadu rainfall)
• Causes: Temperature difference, pressure changes, ITCZ shift
• Important for agriculture in India

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 Climate Zones – Key Points

• Tropical Zone: High temperature and rainfall
• Temperate Zone: Moderate climate with seasons
• Polar Zone: Extremely cold climate
• Determined by latitude, altitude, winds, and ocean currents

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🎯 Exam Focus

• Cold Currents → High fish production
• Monsoon → Land-sea heating mechanism
• Climate Zones → Based on multiple factors (not only latitude)

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 Quick Tip

Revise these points regularly to improve retention and accuracy in exams.

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