Geography, asked by saritaprakash7456, 9 months ago

case study of floods in india​

Answers

Answered by purejatti123
3

Explanation:

Kerala is a state on the southwestern, Malabar Coast of India. The state has the 13th largest population in India. Kerala, which lies in the tropic region, is mostly subject to the type of humid tropical wet climate experienced by most of Earth’s rainforests.

A map to show the location of Kerala

A map to show the location of Kerala

Eastern Kerala consists of land encroached upon by the Western Ghats; the region includes high mountains, gorges, and deep-cut valleys. The wildest lands are covered with dense forests, while other regions lie under tea and coffee plantations or other forms of cultivation.

Cause

The Indian state of Kerala receives some of India’s highest rainfall during the monsoon season. However, during 2018 the state experienced its highest level of monsoon rainfall in decades. According to the India Meteorological Department (IMD), there was 2346.3 mm of rainfall, instead of the average 1649.55 mm.

Kerala received over two and a half times more rainfall over the average for August. Between August 1 and 19, the state received 758.6 mm of rainfall, compared to the average of 287.6 mm, or 164% more. This was 42% more than during the entire monsoon season.

The unprecedented rainfall was caused by a spell of low pressure over the region. There was a perfect confluence of the southwest monsoon wind system and the two low-pressure systems that formed over the Bay of Bengal and Odisha. The low-pressure regions pull in the moist south-west monsoon winds, increasing their speed, as they then hit the Western Ghats, travel skywards, and form rain-bearing clouds

Further downpours, on already saturated land, led to more surface run-off causing landslides and widespread flooding.

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