Table 1. Atmospheric CH3Br Budget (Revised)

Source TypeEmissions (Gg/y)Reference
OceansUptake + Net Flux 1, 7
Fumigation - soils32 1
Fumigation - durables6.6 1
Fumigation - perishables 5.7 1
Fumigation - structures 2 1
Gasoline 5 2
Biomass Burning 20 1
Total = 127
Sink TypeUptake (Gg/y)Reference
Oceans 773
Rxn. w/ OH and hv 864
Soils 435
Green Plants ?6
Total = 206 (+)

References

1 Source estimates from Butler and Rodriguez [1996] and references therein.
2 Methyl Bromide state of the science workshop 1997
3 Yvon-Lewis and Butler [1997]
4 Penkett et al. [1995] and Prinn et al. [1995]
5 Shorter et al. [1995]
6 Jeffers and Wolfe [submitted]
7 Net Flux = net sea-to-air flux.