Arctic Tundra Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

how many months below freezing in the Arctic Tundra

A

8-9 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what’s the permeability like in the Arctic Tundra

A

low permeability as rock basin is crystalline (Canadian Shield)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how big is the Arctic Tundra

A

8 million km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

annual precipitation of the Arctic Tundra

A

200 mm/m^2/year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how much carbon is stored in permafrost in the Arctic Tundra

A

1600GT of carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how much carbon is stored in soil compared to above ground biomass in the Arctic Tundra

A

amount of carbon in soil is 5x the amount in above ground biomass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what’s the NPP rate in the Arctic Tundra

A

200 g/m^2/year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

when did oil and gas production start in the Arctic Tundra

A

1968

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how much extra carbon and methane is being released a year as a result of human activity in the Arctic Tundra

A

17 million tonnes/year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how many barrels of oil have been transported using the trans Alaska pipeline

A

2 billion barrels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the management strategies being used in the Arctic Tundra

A
  • insulated pads for roads
  • elevated pipeline and buildings
  • drilling laterally
  • tech to detect where oil and gas lies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the average temperature in the Arctic Tundra

A

-15 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how much biomass is there in the Arctic Tundra

A

10 tonnes/ha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how long is the growing season in the Arctic Tundra

A

3 months short growing season

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

whats happening to a river in Alaska and whats its name

A

Yukon River flooding in spring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly