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Summertime - and My House Fell Down!
Living on permafrost (frozen ground) can be tricky.
Permafrost, when it is a solid structure of frozen soil, can be an ideal foundation upon which to build. However, above-freezing temperatures can turn it into a soft, slurry-like material which can cause damage to buildings and structures as the foundations become unstable (picture).
To prevent this, ground level buildings are sometimes built with a double floor that circulates cold air between the building and the ground. Other buildings are simply built well above ground to keep any heat they generate from thawing the permafrost out.
However, such methods can't protect a building against climate changes. Recent warming trends in the Arctic over recent years have already resulted in damaged roads, buildings, pipelines and other structures.
Click pictures for more information and credits.
Library: Arctic, Land, The Winter Road
Links: Arctic, Environment, Cold Places
Guide to Arctic Sunrise & Sunset
Arctic Maps & Weather Reports
DICTIONARY: Just "double-click" any unlinked word on this page for the definition from Merriam-Webster's Student Electronic Dictionary at Word Central.
ARCTIC LIBRARY & GLOSSARY: Check this section for an index of the rest of the things you really need to know about the Arctic.
ARCTIC MAPS & WEATHER REPORTS: Maps of the Northwest Passage, explorers' routes, iceberg sources, Nunavut, the Arctic by treeline, temperature...
ARCTIC LINKS: Even more information! Links to sites related to the Arctic and "Iceberg: the Story of the Throps and the Squallhoots".
GUIDE TO ARCTIC SUNRISE & SUNSET: How much sunlight or darkness is there in the Arctic on each day of the year?