arctic climate Flashcards
(13 cards)
where is arctic climate found?
66 degrees latitude north and south
what are the two polar regions?
north pole is the arctic circle
south pole is antarctica
what does the arctic circle include?
arctic ocean
northern parts of scandinavia
russia
canada
greenland
alaska
what are the winter and summer temperatures in the arctic?
winter below -40 degrees
summer -10 - 10 degrees
what is the precipitation in the arctic?
less than 100mm per year
how many people are found in the arctic circle?
what is the population density
13.1 million
with a population density of less than 4 people per sq km
what does antarctica consist of?
west antarctic ice sheet
east antarctica sheet
antarctica peninsula
what does antarcticas temperatures fall below?
- 80 degrees Celsius
how much precipitation does antarctica recieve?
less than 50mm
interior of antarctica is very dry
why is it difficult to build infrastructure in these regions?
the permafrost which can crack easily and it can also melt when temperatures fluctuate leaving development unstable
how did many populations adapt when developing their communities?
build their house on stilts to avoid frost or so they dont need to put down big slabs on concrete to build on
how is day to day life severely effected here?
clothing must be suitable
occupations are limited and often seasonal (oil, gas, coal work, tourism, fising)
what is agricultural productivity effected by?
poor soil and harsh climates
therefore food mainly comes from meat and fish