Nitrogen Reservoirs Flashcards
0
Q
Land ➡️ Ocean
A
By runoff and rivers.
1
Q
Land ➡️ Atmosphere
A
By NH3 volatilisation,
Microbial NOx,
Denitrification.
2
Q
Rock ➡️ Land and Ocean
A
By weathering
3
Q
Biosphere ➡️ Atmosphere
A
By denitrification.
4
Q
Atmosphere ➡️ Ocean
A
By biological fixing,
NOx & NH3 deposition.
5
Q
Atmosphere ➡️ Biosphere
A
By fixation.
6
Q
Major reservoirs:
Atmosphere (largest) -
A
3.8 x 10^18 kg N
7
Q
Major reservoirs:
Organic soil -
A
300 x 10^12 kg N
8
Q
Major reservoirs:
Inorganic soil -
A
10 x 10^12 kg N
9
Q
Major reservoirs:
Biomass (Plants) -
A
10 x 10^12 kg N
10
Q
Major reservoirs:
Biomass (Animals) -
A
0.2 x 10^12 kg N
