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A volcanic flood
In 2010 , Iceland ’s Eyjafjallajökull volcano break , spewing a large feather of ash into the atmosphere , as well as melting part of the ice cap on the volcano , sending meltwater gushing down and flooding the surrounding landscape painting . Stuart Dunning , of Northumbria University in Newcastle upon Tyne in England , and his colleague surveyed the landscape before and after the vent ’s eruptions , to see how the floods impact the arena . Here are image from their misstep . [ Read the full story here ]
Eyjafjallajökull
Iceland ’s Eyjafjallajökull vent on July 17 , 2010 , after the main eruptions had ended .
Melt cauldron
A sentiment into the main melting cauldron , Gígjökull volcanic crater , from the air . The melt piss is steaming , which is why the smoking coming off the volcanic crater is white , not the much disconsolate color it is when ash is being ejected , Dunning told LiveScience ’s OurAmazingPlanet . The water system is held back by a crater dam of tephra and possibly ice .
Gouged gorge
Here , the Gigjokull proglacial lake is pictured a few weeks before the master eruption , " which caused floods to completely evacuate the piss , and replace it with ice , ash tree and other eruptive materials , " Dunning write in an email . Over the top centre of the image is the future melt cauldron , while to the right - center , the gorge dug out by the body of water after it flowed over and/or through the glacier can be seen .
Post-eruption survey
Dunning and his colleague Andrew Large operating the Terrestrial Laser Scanner to appropriate a 3D map of the post - eruption landscape in front of Gigjokull Glacier . " The scanner captures tens of thousands of measurements of the locating of whatever the laser beam bits every second gear , from 1 m to 2 km [ 3.3 substructure to 1.2 miles ] away , " Dunning say .
Flooded valley
At glacier valley next door to Gigjokull Glacier and part of one of the big two overflow that overtopped into the vale . " In the 1960 ’s a great landslide fell onto the glacier and trip through the proglacial lake , causing a large outburst deluge . separate the deviation in the landform record between different gun trigger of outburst floods is challenging , " Dunning wrote .
Closer look
Dunning and Large " taking a skinny look into a oceanic abyss through flood sediments we ’d dug ! " as Dunning put it .
Kettle hole
In the foreground of this view look towards Gigjokull from what used to be the proglacial lake is a boiler muddle . Dunning explains the phenomenon : " An ice block brought down during the photoflood has melted out leaving a hollow . Inside the rampart of the mess you could see the flip-flop layers of hunky-dory and coarser flood sediments from one of the later , small outburst effect . "
3D Scan
One of the optical maser CAT scan conducted by Dunning and his colleagues from Gigjokull glacier and basin beneath Eyjafjallajökull volcano . The colour of the scans tally to unlike pinnacle . [ Read the full chronicle here ]
