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Heinabergsjökull
 

 

 

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English: The Heinabergsjökull in Iceland is an outlet glacier flowing from Vatnajökull, the largest ice cap in in Europe by volume (3,100 km³). All over the world the ongoing retreat of glaciers is one of the clearest manifestations of recent global warming, associated with rising greenhouse gas concentrations. Glaciers in Iceland owe their existence to a maritime climate and they are located in mountainous areas where precipitation is highest. Especially these glaciers are sensitive to climate change and respond rapidly by advancing or retreating. The Vatnajökull has decreased by about 3% in volume in the last 10 years. One of the side effects is the continuous decreasing amount of counter-pressure. As the amount of weight on the Earth’s crust changes, geological stresses inside the crust will also change, the crust will bounce up again, increasing the likelihood of eruptions. But it’s not just unloading the crust that triggers volcanic activity. Another element, the loading part, is the effect that rising sea levels – also a consequence of melting ice caps – will have on volcanoes. Scientists expect that we are going to see a massive increase in volcanic activity globally, with distinctive climate effects. The eruptions of the Eyjafjallajökull in 2010 and the Bardarbunga last year, were the first impressive forerunners.
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Author Highway1958
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European Science Photo Competition 2015
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Photo's description:
The Heinabergsjökull in Iceland is an outlet glacier flowing from Vatnajökull, the largest ice cap in in Europe by volume (3,100 km³). All over the world the ongoing retreat of glaciers is one of the clearest manifestations of recent global warming, associated with rising greenhouse gas concentrations. Glaciers in Iceland owe their existence to a maritime climate and they are located in mountainous areas where precipitation is highest. Especially these glaciers are sensitive to climate change and respond rapidly by advancing or retreating. The Vatnajökull has decreased by about 3% in volume in the last 10 years. One of the side effects is the continuous decreasing amount of counter-pressure. As the amount of weight on the Earth’s crust changes, geological stresses inside the crust will also change, the crust will bounce up again, increasing the likelihood of eruptions. But it’s not just unloading the crust that triggers volcanic activity. Another element, the loading part, is the effect that rising sea levels – also a consequence of melting ice caps – will have on volcanoes. Scientists expect that we are going to see a massive increase in volcanic activity globally, with distinctive climate effects. The eruptions of the Eyjafjallajökull in 2010 and the Bardarbunga last year, were the first impressive forerunners.


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EXIF data:
File name heinabergsja_kull.jpg
Size, Mbytes 3.748052734375
Mime type image/jpeg
Camera manufacturer Canon
Camera model Canon EOS 5D Mark III
Orientation of image 1
Image resolution in width direction 300
Image resolution in height direction 300
Unit of X and Y resolution 2
Exposure time 1/15 sec (0.066666666666667)
F number f / 19
Exposure program 3
ISO speed rating 100
Exif version 0230
Lens focal length 97 mm
Date and time original image was generated 2015:03:16 12:55:59
Date and time image was made digital data 2015:03:16 12:55:59
Shutter speed 3.9068911099421
Aperture 8.4958553127355
Exposure bias 1.5
Maximum lens aperture 4
Metering mode 5
Color space information 1
Exif image width 2500
Exif image length 1667
Focal plane X resolution 160
Focal plane Y resolution 160
Focal plane resolution unit 4
White balance 1
Software used Adobe Photoshop Lightroom 4.1 (Macintosh)


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