IAS Gyan

Daily News Analysis

Floods, droughts, and cyclones have become more frequent in India since 2000

8th January, 2021 Disaster and Management

Context: Extreme climate events have increased significantly across India since the turn of the millenium, according to a recent report.

  • Before 2005, eight districts were affected by cyclones annually on an average. This figure increased to 28 after 2005.
  • Floods, droughts, and cyclones have become increasingly common in many regions across India’s diverse climatic zones.
  • Worryingly, some flood-prone districts are becoming drought-prone or vice-versa in a short period.

Floods

  • The chart shows the number of floods (left axis) and the number of districts affected by floods (right axis).
  • Between 1970 and 2004, three floods occurred per year on an average. However, between 2005 and 2019, the yearly average rose to 11.
  • Similarly, 19 districts were affected annually on an average until 2005. After 2005, the number jumped to 55.

Droughts

  • The chart shows the number of extreme droughts (left axis) and the number of districts affected (right axis).
  • Since 2000, there has been a sharp increase in the number of drought-hit districts.
  • However, droughts have been better managed in recent years, resulting in less loss and damage.

Cyclones

  • The chart shows the number of cyclones (left axis) and the number of districts affected (right axis).
  • Before 2005, eight districts were affected by cyclones annually on an average. This figure increased to 28 after 2005.
  • Puri, Chennai, Nellore, North 24 Parganas, Ganjam, Cuttack, East Godavari, and Srikakulum are cyclone hotspots.

Changing patterns

  • The map depicts the floodprone districts which turned drought-prone and vice-versa.
  • The number of floodprone districts that started experiencing droughts was higher than those that did the opposite.
  • The flood to drought shift was most prevalent in the southern States.

https://www.thehindu.com/data/floods-droughts-and-cyclones-have-become-more-frequent-in-india-since-2000/article33521312.ece?utm_source=data&utm_medium=sticky_footer