Atmospheric, as an important part of the ecosystem, has
an important influence on the environment and ecology. Air pollution had become
one of the environmental issues concerned widespread. The ecologicalenvironment had been affected by the particles in the atmosphere. Furthermore,
particles were also harmful to the environment, cloud formation, atmosphere
visibility, climate, and human health. Due to the relative large size, coarse
particles generally precipitated to the ground through wet deposition. While
fine particles still remained in the atmosphere for several weeks and could be
transported through atmospheric circulation.
Therefore, fine particles greatly
impacted the environment. Understanding the physical and chemical properties of
the particles in the snowfall is the most important prerequisite to investigate
the impact of winter snowfall on the environment. Saxena and Ruggiero foundNa+, Cl-, SO42- and NO3- to be the predominant ions in precipitation atMcMurdo. Delmas reported sulfate, sodium, chloride, carbonaceous species and
trace amounts of NH4+ and NO3- in precipitation on the Antarctic Plateau.
Warburton and Linkletter found Na+, Mg2+, and K+ to be the predominant ions
collected in snow on the Ross Ice Shelf. Mulvaneyand Wolff found low nitrate
and sulfate, and high chloride concentrations in January ice core samples from
the Weddell Sea sector of Antarctica.

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