Satellite Images reveal disappearance of Okjökull, the first glacier to be officially declared dead due to climate change | Current Affairs | Vision IAS
MENU
Home

Periodically curated articles and updates on national and international developments relevant for UPSC Civil Services Examination.

Quick Links

High-quality MCQs and Mains Answer Writing to sharpen skills and reinforce learning every day.

Watch explainer and thematic concept-building videos under initiatives like Deep Dive, Master Classes, etc., on important UPSC topics.

ESC

In 2014, the Okjökull glacier in Iceland was declared dead after it became so thin that it stopped moving.

  • Okjökull was a dome-shaped glacier situated around the summit crater on Ok shield volcano, northwest of Reykjavík (Capital of Iceland). 
  • Other glaciers that disappeared include Anderson Glacier, Clark Glacier and Glisan Glacier (USA), Baumann Glacier (New Zealand), Calderone Glacier (Italy), Martial Sur Glacier (Argentina), Pico Humboldt Glacier (Venezuela), Pizol Glacier (Switzerland), Sarenne Glacier (France), and Schneeferner Glacier (Germany). 

About Glaciers

  • Glacier is a large, perennial accumulation of snow and ice that slowly flows over land under the influence of its own weight and gravity.
  • Typically, glaciers exist in areas where mean annual temperatures are close to freezing point and winter precipitation produces significant accumulations of snow
  • Importance of Glaciers: 
    • Water Reservoirs: Glaciers store about three-quarters of Earth's freshwater, making them the largest freshwater reservoirs.
    • Food Systems: Glaciers are source of irrigation in many regions while glacial fed rivers make grounds fertile for agriculture.
    • Biodiversity: Glacier melt delivers nutrients into lakes, rivers, and oceans, driving blooms of phytoplankton—the base of aquatic food chains.

Impact of Melting of Glaciers due to Climate Change

  • Disrupted Water Cycles: Threaten freshwater, ecosystems, and agriculture. 
  • Natural Disasters: Increases risks of Glacial Lake Outburst Floods and Avalanches.
  • Sea Level Rise: Causing coastal erosion, habitat loss, biodiversity loss etc.
  • Climate Feedback Loop: Lower Earth’s reflectivity, accelerating global warming.

Initiatives to Protect Glaciers

  • Global: Designation of 2025 as the International Year of Glaciers' Preservation by UN, UNESCO Intergovernmental Hydrological Programme etc.
  • India: Network Programme on the Himalayan Cryosphere, Centre for Cryosphere & Climate Change Studies, HIMANSH research station etc. 
Watch Video News Today

Explore Related Content

Discover more articles, videos, and terms related to this topic

RELATED VIDEOS

3
Mass Extinction Crisis: How Human Actions Wiped Off 50% of Vertebrates

Mass Extinction Crisis: How Human Actions Wiped Off 50% of Vertebrates

YouTube HD
News Today (Mar 21, 2025)

News Today (Mar 21, 2025)

YouTube HD
News Today (Apr 30, 2024)

News Today (Apr 30, 2024)

YouTube HD
Title is required. Maximum 500 characters.

Search Notes

Filter Notes

Loading your notes...
Searching your notes...
Loading more notes...
You've reached the end of your notes

No notes yet

Create your first note to get started.

No notes found

Try adjusting your search criteria or clear the search.

Saving...
Saved

Please select a subject.

Referenced Articles

linked

No references added yet