EnvironmentSource: The Hindu
Concerns Over Thwaites Glacier and Global Sea-Level Rise
Wednesday, 11 February 2026
Read Original ArticleKey Points
Thwaites Glacier, known as the Doomsday Glacier, is a massive ice mass in Antarctica that poses significant risks to global sea levels. With the potential to raise sea levels by over 0.5 meters, its rapid melting already contributes nearly 4% to annual sea-level rise. Recent studies highlight alarming ice loss, raising concerns about coastal flooding and climate change.
Detailed Coverage
- Location & Size: Thwaites Glacier is a fast-moving ice mass, approximately 120 km wide and spans 190,000 square kilometers.
- Sea-Level Risk: It could raise global sea levels by over 0.5 meters if it collapses.
- Currently contributes nearly 4% to annual global sea-level rise.
- Ice discharge has nearly doubled in the last 30 years.
- Potential large-scale collapse predicted within 200 to 900 years.
- Geographical Vulnerability: Resting on downward-sloping bedrock, warm ocean water melts it from below.
- Role of Ice Shelf: Acts as a brace, slowing the glacier's flow into the ocean.
- Thinning or fracturing of the ice shelf accelerates glacier movement.
- Global Impact: Destabilization could lead to increased coastal flooding and erosion.
- Threatens low-lying cities, islands, and ports worldwide.
- Why in News: Recent studies show alarming rates of ice loss from Thwaites Glacier.
- Contributes to global sea-level rise and climate change concerns.
Environment