Just some pointers when using my site that will greatly enhance your search for information:
I'll link to articles to so that you may learn the definitions below.
A - E
F - J
Isogonic Charts (Also known as Magnetic Charts or Magnetic Declination Maps):
K - O
P - T
Sintering (You'll need to do extra reading to understand the process as it relates to a snow shelter such as a quinzee):
2. Call-Wild.com - Quinzee Building
2. The Campfire (Hedgehog Leatherworks)
Have a look at the video page as well for more information.
U - Z
UTM (Universal Transverse Mercator
Wind Chill Factor