『(Abstract)
Phosphine (PH3), a volatile and toxic gas,
has been proved to commonly exist in the environment. The determination
of gaseous phosphine and its emission fluxes in Ny-Ålesund is
reported in this paper. Results showed that gaseous phosphine
exist in Arctic atmosphere commonly and the concentration of phosphine
ranged from 16.3-600.2 ng/m3, with the maximum concentration
of phosphine in tundra areas and the minimum in surface air of
ocean. The concentration of phosphine ranged from 65.79-1259 ng/m3
in colliery atmosphere at different altitudes and the maximum
was found in the center of colliery. Emission fluxes of phosphine
were different in various Arctic areas. Emission fluxes of phosphine
from protected areas, with average concentration of 32.13±5.353
ng m-2 h-1, were higher than from other
areas. And the flux of phosphine from ocean was lower.
(Keywords:) Ny-Ålesund; phosphine; concentration; emission fluxes』
(Introduction)
1. Methods
1.1. Sampling site
1.2. Determination of phosphine
1.3. Calculation methods of emission
2. Results and discussion
2.1. Distribution of phosphine in atmosphere
2.2. Emission fluxes of phosphine in various areas
3. Conclusions
(Acknowledgements)
(References)