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For 56 mill years ago the climate on Earth changed rapidly and the temperature increased at least 5 degrees. Scientists are now closer to understand the climate change, called PETM, and why it lasted over 150 000 years. The answer might be eruptions of methane gas from craters offshore Norway.
Recently, a Danish-Norwegian research team re-processed thousands of aerial photos into 3D Digital Elevation Models (DEM) surrounding the entire coastline of Greenland. The new data extends the precise geometric record of Greenland glacier margins to the late 1970s and 80s and can be used to quantify the decline in the ice mass, for example. The data is freely available to the public domain.
International team of climate researchers reconstructs global cooling in the reign of the Roman emperor Justinian. Ice-cores and data about sulfate flux at Greenland and Artica reveils the pasts climate disasters. Their research presented at EGU 2016; Vienna recently.
Many glaciers on Svalbard behave very differently from other glaciers worldwide. They advance massively for some years and then quickly retreat – and then remain quiescent for fifty to a hundred years – before they once again start to advance.
A decrease in permafrost (cryotic soil) will follow climate change and a rise in temperature. This could have serious consequences. We might see an increase in greenhouse gasses, a greater possibility of landslides and live under the threat of monster waves.