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MELTING GLACIERS
[object Object],[object Object],Global   Warming
[object Object],[object Object],[object Object],[object Object],Findings of the IPCC Assessment Report (2007)
[object Object],[object Object],Changes in the precipitation pattern : IPCC Report (2007)
[object Object],[object Object],[object Object],[object Object],[object Object],Melting of the Greenland Ice Sheet
[object Object],[object Object],[object Object],Greenland ice is declining faster than expected
[object Object],Greenland Ice Sheet NASA Earth Observatory
[object Object],Greenland Ice Sheet NASA Earth Observatory
Greenland Ice Sheet University of Colorado, CIRES
[object Object],[object Object],Melting of ice in Greenland NASA Earth Observatory
[object Object],Retreat of  Ice and Snow in Greenland NASA Earth Observatory
[object Object],Helheim  glacier, located in southeast Greenland, is now one of the fastest moving glaciers in the world 1986-2006: These images show the retreat of Helheim glacier’s calving front Calving of Helheim Glacier, Greenland The glacier’s peak rate of flow has increased from 8 km/yr in 2000 to 11 km/yr in 2005
Dramatic changes in Arctic Sea Ice Imagine an ice-free Arctic
[object Object],[object Object],Evidence of extensive snowmelts in  West Antarctica NASA Jet Propulsion Laboratory
Breakup of Larsen ice shelf  (Antarctic Peninsula) 220 metres thick Larsen B shelf existed for at least 400 years prior to breakup
[object Object],Disintegration of the Larsen B Ice Shelf, Antarctic Peninsula NASA Earth Observatory
[object Object],[object Object],Breakup of Antarctica’s Ross Ice Shelf NASA Earth Observatory
Breaking Off Filchner Ice Shelf Antarctica Filchner Ice Shelf is the largest ice shelf on the planet In 1986 the front edge of Ice Shelf broke off into three enormous icebergs
Calving of  Ninnis Glacier Antarctica 22 January 2000: The Ninnis Glacier Tongue soon after the initial calving 5 February 2002: Iceberg split into two sections and started moving away from Ninnis  Glacier
Cracks on Drygalski Ice Tongue Antarctica The ice tongue was discovered in 1902 21 February 2005: Drygalski calved an iceberg   Image shows cracks formed by time and ocean currents
Shrinking Lake Chad shared by  Nigeria, Niger, Chad and Cameroon Persistent drought has shrunk the lake to about a tenth of its former size ,[object Object],[object Object],[object Object]
Shrinking Breidamerkurj ökull  Glacier Iceland ,[object Object]
North America: Angangueo ,[object Object],[object Object],Ice dam in the Hubbard Glacier, United States ,[object Object],[object Object],[object Object],[object Object]
North America: Angangueo ,[object Object],[object Object],Hubbard Glacier advances United States 14 Aug 2002 10 Aug 2002
[object Object],[object Object],North America: Angangueo ,[object Object],[object Object],Retreat of Columbia Glacier, Alaska and Arapaho Glacier, Colorado, United States NASA Earth Observatory
[object Object],[object Object],North America: Angangueo ,[object Object],[object Object],Athabasca  Glacier , Canada NASA Earth Observatory ,[object Object]
[object Object],[object Object],North America: Angangueo ,[object Object],[object Object],Glacier National Park, Montana,  United States NASA Earth Observatory ,[object Object],10 Aug 1972-14 July 1974 7 July 2001
North America: Angangueo ,[object Object],[object Object],Glacier National Park, Montana,  United States
North America: Angangueo ,[object Object],[object Object],Glacier National Park, Montana, United States
[object Object],North America: Angangueo ,[object Object],[object Object],Ayles Ice Shelf, Ellesmere Island, Canada NASA Earth Observatory
Declining Rwenzori Mountain Glaciers  in East Africa 1987-2002: Images show a gradual decrease of the glacial area, especially on the peaks This decline is attributed to increased air temperature and decreased accumulation and convective cloud activity
Disappearing Icecap of  Mt. Kilimanjaro, Tanzania Africa’s highest mountain with a forest belt having rich diversity of ecosystems ,[object Object],[object Object]
[object Object],[object Object],Retreat of Gangotri Glacier, India NASA Earth Observatory
[object Object],[object Object],[object Object],Glacial Lakes and Glacial Lake Outburst Floods Jeffrey Kargel, USGS/NASA JPL/AGU Glacial Lakes in the Bhutan-Himalaya Region
[object Object],Retreat of Upsala Glacier, Argentina NASA Earth Observatory January 2004 position
[object Object],Retreat of San Quintin Glacier, Chile NASA Earth Observatory
UNEP Atlas of Our Changing Environment Thank You! Free Download: www.na.unep.net  MELTING GLACIERS

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Melting glaciers

  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9. Greenland Ice Sheet University of Colorado, CIRES
  • 10.
  • 11.
  • 12.
  • 13. Dramatic changes in Arctic Sea Ice Imagine an ice-free Arctic
  • 14.
  • 15. Breakup of Larsen ice shelf (Antarctic Peninsula) 220 metres thick Larsen B shelf existed for at least 400 years prior to breakup
  • 16.
  • 17.
  • 18. Breaking Off Filchner Ice Shelf Antarctica Filchner Ice Shelf is the largest ice shelf on the planet In 1986 the front edge of Ice Shelf broke off into three enormous icebergs
  • 19. Calving of Ninnis Glacier Antarctica 22 January 2000: The Ninnis Glacier Tongue soon after the initial calving 5 February 2002: Iceberg split into two sections and started moving away from Ninnis Glacier
  • 20. Cracks on Drygalski Ice Tongue Antarctica The ice tongue was discovered in 1902 21 February 2005: Drygalski calved an iceberg Image shows cracks formed by time and ocean currents
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31. Declining Rwenzori Mountain Glaciers in East Africa 1987-2002: Images show a gradual decrease of the glacial area, especially on the peaks This decline is attributed to increased air temperature and decreased accumulation and convective cloud activity
  • 32.
  • 33.
  • 34.
  • 35.
  • 36.
  • 37. UNEP Atlas of Our Changing Environment Thank You! Free Download: www.na.unep.net MELTING GLACIERS