About Ice Cap
An ice cap is a mass of ice that covers less than 50,000 km² of land area. Larger ice masses covering more than 50,000 km² are termed ice sheets. Ice caps are not constrained by topographical features. By contrast, ice masses of similar size that are constrained by topographical features are known as ice fields.
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Images reveal Iceland's glacier melt
These images Breiðamerkurjökull Glacier taken in 1989 (top) And One taken this year (bottom) show how much ice has been lost over this period
A photography project has highlighted the extent of ice loss from Iceland 's glaciers.
A team from Scotland and Iceland compared photographs taken in the 1980s with present-day drone images.
They focused on the South Side of the Vatnajökull Ice Cap , which covers about 7,700sq km of land.
Dr Kieran Baxter, from the University of Dundee, said: "We saw a staggering difference in a very short amount of Time . "
Interactive See how the Skálafellsjökull Glacier has changed since 1989 2019 1989The Project - which also involved the University of Iceland and the Icelandic Meteorological Office - used aerial photos taken by a survey plane in the 1980s.
Thousands of images were taken, often of overlapping areas, and The Team then used software to transform these into a hi-res 3D model of the terrain.
Dr Baxter said this meant that photographs looking straight down on to the landscape could then be re-framed to show the terrain from different angles.
He added: "We can then align them with drone photographs that we can take Today . "
Interactive See how Iceland 's Hoffellsjökull Glacier has changed since 1982 2017 1982The Team hopes the comparison photos will be used for public outreach, to show how rapidly Iceland 's glaciers are retreating.
Iceland 's Met Office says the country's glaciers have retreated by a total area of about 750sq km since 2000 - and are losing an average area of 40 sq km each year.
This summer, Icelanders gathered to. It lost its Glacier status in 2014, when the ice became too thin to move.
But the problem of Glacier loss caused by Climate Change is a global issue. The latest Intergovernmental Panel on Climate Change (IPCC) report warned that smaller glaciers in Europe, Africa, the Andes and Indonesia were projected to lose More Than 80% of their current ice mass by 2100 if carbon emissions remained high.
The resulting rise in Sea Level could have huge consequences for millions of people, the UN panel warned.
This image of the Heinabergsjökull Glacier was taken in 1989 The 2019 drone image shows the extent that the Glacier has lowered over 30 yearsFollow Rebecca
Images courtesy of National Land Survey of Iceland and Dr Kieran Baxter, University of Dundee
iceland, glaciers, climate change, intergovernmental panel on climate change
Source of news: bbc.com
Ice cap Photos
