Photographic evidence of climate change: delayed images of glacier retreat

Page 1, * * 2: Page 1 Page 2 The Columbia Glacier in Alaska melted in 2009. A group of scientists collected photo "evidence" of climate change, revealing photo couplets or before-and-after images of glacier retreat over time. Gregory Baker, the co-author of the study and a geologist at the University of Kansas, said in a statement that their research results and photos were published online in GSA Today on March 30th, 20 17.

"We have unmodified photographic evidence that glaciers around the world are melting." This includes the ice sheets in Greenland and Antarctica-their areas have shrunk. These are not fancy computer models or satellite images, where you have to make various corrections to the atmosphere. These are just photos. Some of them were taken 100 years ago. My co-author went back and took photos in these places. Therefore, this is only direct evidence of large-scale ice loss around the world.

Look at yourself.

Mendenhall glacier tracking

After that, the Mendenhall Glacier in Alaska, as shown in 20 15, shows that the glacier has retreated by about 1800 feet (550 meters) since 2007. (James Balog and Extreme Glacier Survey) This is the Mendenhall Glacier in Alaska. As shown in 20 15, it shows that glaciers have retreated by about 1800 feet (550 meters) since 2007.

Mendenhall Glacier-The last photo of Mendenhall Glacier in Alaska was taken in 2007. Look what happened eight years later. This photo of Mendenhall Glacier in Alaska was taken in 2007. Look what happened eight years later.

Solheimajokull Glacier-As you can see in this photo in 2007, Solheimajokull Glacier was still in Iceland. This glacier is located on the southern edge of the Mildal ice sheet. See what the glacier looks like now. (James Barlow and Extreme Ice Survey) This 2007 photo can be seen at York Glacier in Sol, Iceland. This glacier is located on the southern edge of the Mildal ice sheet. Look at what glaciers look like now.

Solheimajokull Glacier-According to an article in GSA Today magazine, from 2007 to 20 15, Solheimajokull Glacier (shown here as 20 15) retreated by about 2,050 feet (625m). According to an article in GSA Today magazine, from 2007 to 20 15, Solheimajokull glacier (shown here as 20 15) retreated by about 2050 feet (625 meters).

Stan Glacier-Former Stan Glacier also felt the heat in Switzerland. Here, you can see the glaciers that appeared in 2006. The Swiss Stan Glacier also felt the high temperature. Here, you can see the glaciers that appeared in 2006.

Stan Glacier-After that, the Stan Glacier in Switzerland retreated 1800 feet (550 meters) from 2006 to 20/0/5. What is shown here is the glacier of 20 15 years. (James Barlow and Extreme Glacier Survey) The Stan Glacier in Switzerland retreated by 65,438+0,800 feet (550 meters) from 2006 to 2065,438+05. 20 15, glaciers are shown here.

Trif Glacier-In 2006, before another Swiss treatment, Trif Glacier was displayed here. (Lonnie Thompson) In 2006, another Swiss treatment method-Trif Glacier was displayed.

Trif Te Glacier-From 2006 to 20 15 years later, researchers found that Trif Te Glacier retreated more than a mile (1.7 km). 20 15 glaciers are shown here. (Lonnie Thompson) Researchers found that between 2006 and 20 15 years, Trif glaciers retreated 1 mile (1.7 km). The picture shows a 20 15 glacier. Peru Glacier-/kloc-The Lisi Glacier in Kurikka before 0/978, the export glacier of the Quelcaya ice cap in Peru. (Lonnie Thompson) 1978 This is the Qori-Kalis Glacier, the export glacier of Cuelkaya Ice Cap in Peru.

Glaciers in Peru-During the period from 1978 to 20 16, the Qori-Kalis glacier in Peru retreated by nearly three quarters of a mile (1. 14 km). (Lonnie Thompson) During the period from 1978 to 20 16, the Kurikka Lisi Glacier in Peru retreated nearly three quarters of a mile (1.14km).

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