18 - Stories Trapped in Ice Series - AIR BUBBLES AND GREENLAND’S WARM PAST
190,00
€
€
1023 CE or 977 b2k Ice Core - GRIP 72°34.74′N 37°33.92′W Depth - 236.9m The ice cores show warmer temperatures in Greenland around 1000 CE, which may explain the Norse peoples' settlement there at that time. The year 1000 CE was 1 degree warmer than 1970—in Greenland—and 1850 was the coldest decade since the ice age. The Scandinavian Stone Age was 2.5 degrees warmer than it was in 1970. On arrival in an uninhabited southern Greenland, Erik the Red named the land Greenland because it was green and lush along its fjords in contrast to the northeast of Iceland from which he came. The Norse peoples lived in Greenland for 400 years, after which the Little Ice Age occurred.
Due to ice's high thermal capacity and low thermal conductivity, every meter of ice core still "remembers" the temperature it had while it was at the surface. Prof Dorthe Dahl-Jensen from the Niels Bohr Institute took advantage of this peculiar physical characteristic of ice and measured temperatures in the GRIP borehole after drilling, meter by meter, through 3 km of ice with a thermometer with a precision of 0.01 degrees. The temperature in 1970 CE was -31.7 C, in 1000 CE -30.6 C, in 1650 CE -32.3 C (when the Swedes took over Skåne, Halland and Blekinge), from 3000 to 6000 BCE -29.2 C (Holocene optimum) and from 21,000 BCE to 30,000 BCE -58 C. These are all Greenland temperatures. While Greenland was 26 degrees colder 25,000 years ago, Kenya and Tanzania were only about 2.5 degrees colder (lake sediment studies), and this means that the difference in global average between 1970 and 1000 could amount to only a fraction of a degree.
This ca. 15 cm long ice core fragment with visible air bubbles represents one year in ice core records.
All limited-edition prints are printed on archival *310g paper and numbered and signed by Lukasz or Ulrika.
All prints come with a 1” white border.
As standard prints come UNFRAMED.
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RETURNS: We have no return policy. Every print is made to order just for you. As a result, all orders are final as soon as they are placed.
*Canson Edition Etching Rag 310g is a museum-grade paper with deep blacks, excellent image sharpness, and optimum colour graduation. Its unique slight grain makes it ideal for printing detailed work, colour photographs, and exceptional black-and-white portraits.