Arctic Tundra Flashcards
how many months below freezing in the Arctic Tundra
8-9 months
what’s the permeability like in the Arctic Tundra
low permeability as rock basin is crystalline (Canadian Shield)
how big is the Arctic Tundra
8 million km
annual precipitation of the Arctic Tundra
200 mm/m^2/year
how much carbon is stored in permafrost in the Arctic Tundra
1600GT of carbon
how much carbon is stored in soil compared to above ground biomass in the Arctic Tundra
amount of carbon in soil is 5x the amount in above ground biomass
what’s the NPP rate in the Arctic Tundra
200 g/m^2/year
when did oil and gas production start in the Arctic Tundra
1968
how much extra carbon and methane is being released a year as a result of human activity in the Arctic Tundra
17 million tonnes/year
how many barrels of oil have been transported using the trans Alaska pipeline
2 billion barrels
what are the management strategies being used in the Arctic Tundra
- insulated pads for roads
- elevated pipeline and buildings
- drilling laterally
- tech to detect where oil and gas lies
what is the average temperature in the Arctic Tundra
-15 degrees
how much biomass is there in the Arctic Tundra
10 tonnes/ha
how long is the growing season in the Arctic Tundra
3 months short growing season
whats happening to a river in Alaska and whats its name
Yukon River flooding in spring