UPSC MainsGENERAL-STUDIES-PAPER-III201612 Marks200 Words
Q14.

Rehabilitation & Environmental Impact of Cloudbursts

Rehabilitation of human settlements is one of the important environmental impacts which always attracts controversy while planning major projects. Discuss the measures to be adopted to mitigate the impact of the recent incidents of cloudbursts in many places of Uttarakhand.

How to Approach

This question requires a multi-faceted answer addressing both the environmental impact of cloudbursts and the sensitive issue of rehabilitation. The approach should begin by defining cloudbursts and their causes in the Himalayan region, specifically Uttarakhand. Then, focus on the rehabilitation challenges – social, economic, and cultural – faced by affected communities. Finally, detail mitigation measures, encompassing both immediate relief and long-term preventative strategies, including infrastructure development, early warning systems, and sustainable land-use practices. Structure the answer into introduction, causes & impacts, rehabilitation challenges, mitigation measures, and conclusion.

Model Answer

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Introduction

Cloudbursts, characterized by extreme rainfall events exceeding 100mm/hour, are a frequent and devastating natural hazard in the Himalayan region, particularly Uttarakhand. The state’s fragile geology, coupled with climate change-induced glacial melt and altered monsoon patterns, exacerbates the risk. Recent cloudbursts in areas like Chamoli (2021) and Uttarkashi (2023) have resulted in significant loss of life, infrastructure damage, and displacement of communities. Rehabilitation of affected populations is a complex undertaking, often fraught with controversy due to issues of land ownership, livelihood restoration, and cultural preservation, demanding a sensitive and holistic approach.

Understanding Cloudbursts and Their Impact in Uttarakhand

Cloudbursts occur due to the rapid condensation of moisture in the atmosphere, often triggered by orographic lift (air forced upwards by mountains). Uttarakhand’s steep slopes and dense forests contribute to this phenomenon. The impacts are multi-fold:

  • Flash Floods: Intense rainfall leads to sudden surges in river levels, causing widespread flooding.
  • Landslides & Mudflows: Saturated slopes become unstable, resulting in landslides and mudflows, blocking roads and damaging infrastructure.
  • Infrastructure Damage: Roads, bridges, and buildings are frequently destroyed, hindering rescue and relief efforts.
  • Loss of Life & Livelihoods: Human settlements in vulnerable areas are directly impacted, leading to casualties and economic hardship.

Challenges in Rehabilitation

Rehabilitating communities displaced by cloudbursts presents significant challenges:

  • Land Ownership & Rights: Disputes over land ownership, particularly in areas with unclear land records, complicate resettlement efforts.
  • Livelihood Restoration: Many affected communities rely on agriculture, tourism, or forestry. Restoring these livelihoods requires targeted interventions.
  • Cultural Preservation: Displacement can disrupt social structures and cultural practices. Rehabilitation plans must consider the cultural sensitivity of affected communities.
  • Environmental Concerns: Resettlement in new areas can lead to deforestation and environmental degradation if not planned sustainably.
  • Psychological Trauma: Victims often suffer from psychological trauma, requiring mental health support.

Mitigation Measures

A comprehensive strategy is needed to mitigate the impact of cloudbursts and facilitate effective rehabilitation:

1. Early Warning Systems (EWS)

Investing in robust EWS based on real-time weather monitoring, hydrological data, and landslide susceptibility mapping is crucial. The India Meteorological Department (IMD) is working on improving forecasting capabilities, but localized EWS are also needed.

2. Infrastructure Development

  • Strengthening Infrastructure: Building resilient infrastructure, including roads, bridges, and dams, capable of withstanding extreme weather events.
  • River Training Works: Implementing river training works, such as embankments and check dams, to control floodwaters.
  • Drainage Improvement: Improving drainage systems in urban areas to prevent waterlogging.

3. Sustainable Land-Use Planning

Promoting sustainable land-use practices, such as afforestation, terracing, and contour bunding, to stabilize slopes and reduce the risk of landslides. Strict regulations on construction in vulnerable areas are also essential.

4. Disaster-Resilient Housing

Providing disaster-resilient housing to displaced communities, incorporating features such as earthquake-resistant design and flood-proofing.

5. Community Participation & Capacity Building

Involving local communities in the planning and implementation of rehabilitation programs. Providing training in disaster preparedness and response.

6. Financial Assistance & Social Security

Providing adequate financial assistance to affected families for rebuilding their homes and livelihoods. Ensuring access to social security schemes, such as the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA).

Recent Initiatives

The National Disaster Management Authority (NDMA) has been actively involved in coordinating relief and rehabilitation efforts in Uttarakhand. The state government has also launched several initiatives, including the construction of disaster-resilient infrastructure and the implementation of early warning systems. However, more needs to be done to address the underlying vulnerabilities and build long-term resilience.

Conclusion

Rehabilitation following cloudbursts in Uttarakhand is a complex challenge demanding a holistic and sensitive approach. Effective mitigation requires a shift from reactive disaster response to proactive risk reduction, encompassing robust early warning systems, sustainable infrastructure development, and community-based disaster preparedness. Prioritizing the needs and perspectives of affected communities, alongside environmentally sound practices, is paramount to ensuring a resilient and sustainable future for the region. Continued investment in research and technology, coupled with strong inter-agency coordination, will be vital in minimizing the devastating impacts of these increasingly frequent extreme weather events.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Orographic Lift
Orographic lift is a meteorological phenomenon that occurs when an air mass is forced from a low elevation to a higher elevation by topography. This process can lead to cloud formation and precipitation.
Glacial Lake Outburst Flood (GLOF)
A GLOF is a type of outburst flood that occurs when the dam containing a glacial lake fails. These floods can be extremely destructive, especially in mountainous regions.

Key Statistics

Between 2010 and 2023, Uttarakhand experienced over 50 significant cloudburst events, resulting in over 600 fatalities (based on knowledge cutoff - 2024).

Source: State Disaster Management Department, Uttarakhand

Uttarakhand has over 1,000 glaciers, making it particularly vulnerable to GLOFs, which can be triggered or exacerbated by cloudbursts (based on knowledge cutoff - 2024).

Source: Glaciology and Geocryology Division, Wadia Institute of Himalayan Geology

Examples

Chamoli Disaster (2021)

A massive flash flood triggered by a glacial lake outburst flood (GLOF) and potentially exacerbated by a cloudburst in Chamoli district, Uttarakhand, destroyed two hydropower projects and caused significant loss of life.

Frequently Asked Questions

What is the difference between a cloudburst and a normal rainfall event?

A cloudburst is characterized by extremely intense rainfall over a short period and a limited geographical area, exceeding 100mm/hour. Normal rainfall is less intense and spread over a larger area.

Topics Covered

EnvironmentDisaster ManagementGovernanceCloudburstsRehabilitationEnvironmental ImpactUttarakhand