Photo Friday: The Melting Andean Glaciers

In South America, the tropical glaciers of the Andes have been shrinking at an alarming rate, leaving the local communities at risk of losing an important water source. In Bolivia, for example, an Andean glacier known as the Chacaltaya Glacier disappeared completely in 2009, cutting off a valuable water resource to the nearby city of La Paz during the dry season.

In total, the Andes Mountains are home to nearly 99 percent of the world’s tropical glaciers, with 71 percent located in Peru’s Cordillera Blanca and 20 percent in Bolivia, according to UNEP. Other tropical glaciers are found in the equatorial mountain ranges of Venezuela, Colombia and Ecuador. Over the past 30 years, scientists estimate that the glaciers of the tropical Andes have shrunk by 30 to 50 percent. This rate of decline predicts that within 10 to 15 years many of the smaller tropical glaciers will have completely disappeared.

Take a look at GlacierHub’s collection of images of the rapidly retreating Andean glaciers.

 

The Chacaltaya glacier in Bolivia disappeared completely in 2009. 350.org climate activists visited the area in 2009 to raise awareness (Source: 350.org/Flickr).
After the Chacaltaya Glacier in Bolivia disappeared completely in 2009, 350.org climate activists visited the area to raise awareness about climate change (Source: 350.org/Flickr).

 

 

Laguna Glacier in Bolivia's Cordillera Real mountain range (Source: Alma Apatrida/Flckr).
Laguna Glacier in Bolivia’s Cordillera Real mountain range (Source: Alma Apatrida/Flckr).

 

 

The Antisana glaciers which are experiencing retreat, according to UNEP (Source: Sid Ansari/Flickr).
The Antisana glaciers in Ecuador are experiencing rapid retreat (Source: Sid Ansari/Flickr).

 

 

The Llaca Glacier of Peru (Source: dmitriylit/Creative Commons).
The Llaca Glacier of Peru (Source: dmitriylit/Creative Commons).

 

 

Looking up the Pacific coast of South America at the snow-covered Andes Mountains, which contains the world's largest glaciated area of the tropics (Source: Stuart Rankin/Flickr).
Looking up the Pacific coast of South America at the snow-covered Andes Mountains, the world’s largest glaciated area of the tropics (Source: Stuart Rankin/Flickr).

 

 

Quelccaya Glacier located in the Cordillera Blancas (Source: Edubucher/Creative Commons)
Quelccaya Glacier located in Peru, where glaciers have retreated by over 20 percent since 1978, according to scienceline.org (Source: Edubucher/Creative Commons).

 

 

Nevado Coropuna, Peru from the NASA International Space Station, 10/06/10 (Source: NASA/Flickr).
Nevado Coropuna, Peru, from the NASA International Space Station, 10/06/10 (Source: NASA/Flickr).

 

 

View of Nevado del Huila in Colombia. Four of Colombia's six glaciers are found on volcanos, (Source: Joz3.69/Flickr).
View of Nevado del Huila in Colombia. Only six glaciers remain in Colombia and four are found on volcanos (Source: Joz3.69/Flickr).

 

 

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1 Comment

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Doug Hardyreply
February 03 at 11:02 AM

Quelccaya Ice Cap is in the Cordillera Vilcanota, not Blanca

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