2Wolff E W. Signals of atmospheric pollution in polar snow and ice[J]. Antarctic Science, 1990, 2: 189-205.
3Boutron C F, Candelone J-P, Hong S. Past and recent changes in the large-scale trospheric cycles of lead and other heavy metals as documented in Antarctic and Greenland snow and ice: A review[J]. Geochim. Cosmochim. Acta, 1994, 58 (15): 3217- 3225.
4Murozumi M, Chow T J, Patterson C C. Chemical concentrations of pollutant aerosols, terrestrial dusts and sea salts in Greenland and Antarctic snow strata[J]. Geochim. Cosmo chim. Acta, 1969, 33: 1247-1294.
5Hong S, Candelone J P, Patterson C C, et al. Greenland ice evidence of hemispheric lead pollution two millennia ago by Greek and Roman civilizations[J]. Science, 1994, 265:1841 - 1843.
6Hong S, Candelone J P, Patterson C C, et al. History of ancient copper smelting pollution during Roman and Medieval times recorded in Greenland ice[J]. Science, 1996, 272:246 -249.
7Gorlach U, Boutron CF. Changes in heavy metals concentrations in Antarctic snows from the 1940 to 1980[J].J. At mos. Chem., 1992, 14: 205-222.
8Wolff E W, Suttie E D. Antarctic snow record of southern hemisphere lead pollution[J]. Geophy. Res. Lett. , 1994, 21 (9): 781-784.
9Wolff E W, Suttie E D, Peel D A. Antarctic snow record of cadmium, copper, and zinc content during the twentieth century[J].Atmos. Environ., 1999, 33: 1535-1541.
10Planchon F A M, Boutron C F, Barbante C, et al. Changes in heavy metals in Antarctic snow from Coast Land since the mid-19th to the late 20th century[J]. Earth and Planet. Sci. Lett. , 2002, 200: 207-222.