Though land subsidence can happen for a host of reasons, it is imperative to estimate its possible impact and chalk out a sustainable plan to minimise the adverse impact. Discuss (Answer in 250 words)
Introduction
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Main Body
Possible reasons behind subsidence: (A) Reduces land subsidence; (1) subsidence in Himachal region of Turkey after 2003 earthquake; (2) Seismic sediment - excessive extraction => CO2 Jakarta subsidence, Pumping in aquifer => apex in Dastoumak; (3) Heavy manmade situations - Shanghai land subsidence can
Additional causes: (A) sea level rise => apparent subsidence of coastal roads; (B) Large scale construction projects - NTPC Raipuan Vishyugad project is slammed for land subsidence. Solutions needed: (A) Take precautionary action - Mishra committee had recommended arranging renotification in Jyoti Malti, detailed plan development, Indonesia had to shift capital to Nusantara; (B) Ready evacuation plans - aerial apparatus trained in Jyoti math; (C) Mitigate the environmental impact of subsidence; (D) Study the dimension of surveys due to sinking; (E) Minimize economic losses - streets in gadi.bhumimath houses, parallel survey capacity, study components of the plan with eliminated developed states and contour data analysis plan on damage.
— Bipul Gupta · AIR 103
Conclusion
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- Uses specific case studies
- Identifies multiple causes
- Mentions both natural and anthropogenic factors
Bipul Gupta
Environmental Hazards and Disaster Management
Land Subsidence and Mitigation
Land Subsidence - Causes and Solutions
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Paragraphs
case-study and analytical
Tone