194
Chemical Oceanography, 4th Edition
80° W
120° W
160° W
25 April 1982
21 April 1982
17 April 1982
13 April 1982
9 April 1982
5 April 1982
160° E
120° E
80° E
80° W
120° W
20° N
40° N
20° N
40° N
0°
0°
20° N
40° N
0°
20° N
40° N
0°
20° N
40° N
0°
20° N
40° N
0°
40° E
40° W
0°
Figure 5.9
The movement of dust and particles in the Northern Hemisphere after the El Chichon volcano eruption.
Table 5.3
Concentration of Atmospheric Nitrogen Compounds
Species
Concentration
Source
Sink
N 2
78.9084%
Primitive volatile
Biological, lightning
NH 3
0–10 ppbv
Biological
Precipitation
RNH 2
—
Biological
Precipitation
N 2 O
0.1–0.4 ppmv
Biological
Photolysis in stratosphere
NO
0–0.5 ppmv
Oxidation
HNO 3
NO 2
—
NO oxidation
HNO 3
HNO 2
—
OH + NO
Precipitation
HNO 3
—
OH + NO
Precipitation
Source: Data from Carlson, R.J., The atmosphere, in Global Biogeochemical
Cycles, Butcher, S.S., Charleson, R.J., Orians, G.H., and Wolfe, G.V.,
Eds., Academic Press, New York, 1992.