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Kerala flood lesson for Assam: experts
Why it is in news?
- Flood-experienced Assam can learn a lesson from the Kerala deluge to avoid large-scale disaster say water resources and ecology experts in the Northeast.
- The experts have found a similar pattern to recurrent floods in Assam – up to four times a year between April and October – and Kerala’s worst flood in 100 years that has claimed 357 lives so far.
- The most worrying similarity is a network of dams in the “control of other States” surrounding Kerala and Assam.
- A majority of 39 dams that affected Kerala are on inter-State rivers and under the control of neighbouring States such as Karnataka and Tamil Nadu.
- The decision of how much water and when to be released is not within the purview of Kerala, which is suffering from downstream impact of those dams and the situation is similar for Assam.
More dams coming
- More dams coming up in other northeastern States and in Bhutan could spell doom for Assam, “all these years of living with floods” notwithstanding.
- Arunachal Pradesh too is wary of the impact of big dams.
- The river Siang (one of three that meet to form the Brahmaputra downstream) has suffered from dams and other constructions in China upstream
Rampant deforestation
- The second lesson that Assam needs to learn from Kerala is the effect of rampant deforestation, mining, and quarrying.
- Kerala has allowed settlement on elephant corridors such as Thirunelli-Kadrakote and Kottiyoor-Periya leading to felling.
- The consequence has been killer landslides on an unprecedented scale
- Kerala is by far one of the more developed States in terms of literacy and development planning, but it has suddenly been exposed like Tamil Nadu was during the devastating 2015 floods in 2015.
- Kerala is reaping the consequences of neglecting, like other Western Ghats States, the recommendations of the Gadgil and Kasturirangan panels against hydro-power projects in ecologically sensitive zones.
- Experts said micro-climate controlled by land use was the primary reason behind the catastrophe in Kerala though climate change was the overriding factor.
- Rainfall in Kerala has been increasing after a dip in 2013, but the annual rainfall in many parts of the northeast is much higher than the southern coastal State.
- The densely populated floodplains of Assam thus have to worry because of changes in land use that have impacted the micro-climate adversely.
Source
The Hindu