TUNDRA or POLAR or ARCTIC CLIMATE.
∆ DISTRIBUTION.
✓ Found in regions North of Arctic circle and south of Antarctic circle.
✓ Ice – caps are confined to highlands and high latitudes regions of Greenland and Antarctica.
∆CLIMATE.
✓Temperature.
• Climate characterized by very low mean annual temperature.
• In mid – winter temperature are as low as 40 – 50° below freezing.
• Normally not more than four months have temperature above freezing point
✓ Precipitation.
• Precipitation is mainly in the form of snow and sleet.
• Conventional rainfall is generally absent.
∆ NATURAL VEGETATION.
✓ No trees in Tundra.
✓ Lowest form of vegetation like mosses, lichens are found here and there.
✓ Climatic conditions along coastal lowlands are little favourable.
✓ In the breif summer, berry – bearing bushes and Arctic flowers bloom.
