Tundra GPT CS Facts

Question 1

How much carbon is stored in the permafrost in the Arctic Tundra?

Answer 1

1,500 billion tons

Question 2

What is the NPP (Net Primary Productivity) of the Arctic Tundra during summer?

Answer 2

200 g/m2/year

Question 3

How much has plant productivity in the Arctic Tundra increased since 1970?

Answer 3

14%

Question 4

What is the rise in temperature in the Arctic Tundra since 1970?

Answer 4

2.3°C

Question 5

How much carbon does the Arctic Tundra release through thawing permafrost?

Answer 5

66-87 Gt by 2100

Question 6

How much carbon does the Arctic Tundra release through methane emissions?

Answer 6

1-4 million metric tons

Question 7

What percentage of the Earth’s total carbon is stored in the Arctic Tundra?

Answer 7

8%

Question 8

What is the permafrost temperature in the Arctic Tundra?

Answer 8

-10°C to -15°C

Question 9

How much carbon is stored in the Arctic Tundra’s lithosphere?

Answer 9

Little carbon due to predominantly igneous rock

Question 10

What is the dominant vegetation type in the Arctic Tundra?

Answer 10

Mosses, lichens, and dwarf shrubs

Question 11

How long does it take for plant biomass to decompose in the Arctic Tundra?

Answer 11

Hundreds to thousands of years

Question 12

What is the average depth of the active layer in the Arctic Tundra’s soil?

Answer 12

30-70 cm

Question 13

How much does the Arctic Tundra contribute to the global methane emissions?

Answer 13

5-10%

Question 14

What is the depth of the permafrost layer in the Arctic Tundra?

Answer 14

Up to 1500 m

Question 15

How much carbon is stored in the Arctic Tundra’s wetlands?

Answer 15

67-72 Gt

Question 16

What is the soil texture of the Arctic Tundra?

Answer 16

Sandy and gravelly

Question 17

How much carbon does the Arctic Tundra’s rivers transport to the ocean?

Answer 17

15 Teragrams per year

Question 18

How much carbon does the Arctic Tundra’s lakes emit through methane?

Answer 18

3 Teragrams per year

Question 19

What is the albedo of the Arctic Tundra’s snow and ice?

Answer 19

80%

Question 20

How much more carbon do Arctic Tundra fires release compared to boreal fires?

Answer 20

2.5 times more

Question 21

What is the total amount of carbon stored in woody, shrubs, and herbaceous plants in the Arctic Tundra?

Answer 21

The total amount of carbon stored in vegetation in the Arctic Tundra is between 2.6 to 3.0 Gt (or 2.6 to 3.0 billion tons).