The capricious nature of glacial lakes, intricately linked to melting glaciers, raises significant concerns due to their unpredictability.

1. Plutus Academy

2. Glacial Lake Outburst Flood (GLOF)
GS3: Disaster Management
The Glacial Lake Outburst Flood (GLOF) was the Subject of an article produced by the
brilliant content writer Gaurav Nikumbh. The article discusses the glaciers' perilous situation,
including their steady shrinking and threat to both people and the environment. The
fluctuating conditions of these lakes formed by glaciers can cause flooding and wipe out
communities of people and other wildlife.

3. Glacial Lake Outburst Flood (GLOF)
• This passage refers to the original article
on Glacial Lake Outburst Flood (GLOF). You
can click on the provided link to explore the
Topic more deeply.
• Glacial lakes are associated with melting
glaciers and can pose environmental
and human settlement risks.
• A Glacial Lake Outburst Flood (GLOF)
occurs when a glacial lake experiences a
sudden release of water.

4. Glacial Lakes: PotentialTime Bombs
• Glacial lakes come in various forms and tend to expand as glaciers melt,
making them hazardous.
• They are typically dammed by unstable materials like ice and loose
rocks, making them prone to sudden water releases, resulting in GLOFs.
• GLOF events can be triggered by
• Earthquakes
• Extreme Rainfall
• Ice Avalanches
• These factors disrupt the stability around glacial lakes, causing rapid
water discharge and downstream flooding.
• One cannot underestimate the significance of reading and retaining Current
affairs, as a significant chunk of SSC, Bank, and various competitive exams
revolves around this subject matter.

5. The 2013 Uttarakhand Disaster
• In 2013, a GLOF event
triggered by the
Chorabari Tal glacial
lake led to flash floods
in the Kedarnath
region, Uttarakhand,
causing significant loss
of life.

6. More about South Lhonak Lake GLOF
• The South Lhonak Lake's outburst
was triggered by heavy rainfall,
leading to flash floods.
• The Teesta River and several districts
were affected, highlighting
downstream vulnerability.
• Monitoring by the Central Water
Commission revealed glacial retreat
and lake growth.

7. NDMAGuidelinesonRiskMitigationofGLOF
• Guidelines recommend identifying and mapping high-risk
glacial lakes, using field observations and historical data.
• Structural measures involve controlled breaching and water
pumping to reduce lake volume.
• Early warning systems with sensors and monitoring
equipment are crucial for timely alerts and evacuations.
• Capacity building, public awareness, and continuous research
and monitoring are vital for GLOF preparedness and
mitigation.

8. Thank You!
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