[Objective] The paper aimed to discuss the relationship between sulfur contents of mosses and the concentration of SO2-4 and the source of Atmospheric sulfur in Nanchang.[Method] 29 moss samples (Bryohaplocladium mic...[Objective] The paper aimed to discuss the relationship between sulfur contents of mosses and the concentration of SO2-4 and the source of Atmospheric sulfur in Nanchang.[Method] 29 moss samples (Bryohaplocladium micriophyllum (Hedw.) R.Watanabe et Iwats) were collected from four sampling points,including North campus and Qianhu campus of Nanchang Power Station were determined.[Result] The results showed that sulfur contents of mosses tissues in North campus of Nanchang University (0.45±0.059%) were higher than Qianhu campus of Nanchang University (0.26±0.002%),which coincided with the changing law of the concentration of SO2-4.Sulphur isotope of mosses tissues was-0.64‰-9.71‰.Sulphur isotope of mosses tissues in Meling (4.02‰-9.71‰) was higher than Qianhu campus of Nanchang University (0.55‰-0.56‰) and power plant (-0.64‰-0.45‰).[Conclusion] Relationship between sulphur contents and sulphur isotopes of mosses tissues showed sulfur source of sulphur deposition in Nanchang city was mainly affected by 34S-enriched sulphur transported from northerly air masses and biogenic sulfur.展开更多
基金Supported by National Natural Science Foundation (40573006)~~
文摘[Objective] The paper aimed to discuss the relationship between sulfur contents of mosses and the concentration of SO2-4 and the source of Atmospheric sulfur in Nanchang.[Method] 29 moss samples (Bryohaplocladium micriophyllum (Hedw.) R.Watanabe et Iwats) were collected from four sampling points,including North campus and Qianhu campus of Nanchang Power Station were determined.[Result] The results showed that sulfur contents of mosses tissues in North campus of Nanchang University (0.45±0.059%) were higher than Qianhu campus of Nanchang University (0.26±0.002%),which coincided with the changing law of the concentration of SO2-4.Sulphur isotope of mosses tissues was-0.64‰-9.71‰.Sulphur isotope of mosses tissues in Meling (4.02‰-9.71‰) was higher than Qianhu campus of Nanchang University (0.55‰-0.56‰) and power plant (-0.64‰-0.45‰).[Conclusion] Relationship between sulphur contents and sulphur isotopes of mosses tissues showed sulfur source of sulphur deposition in Nanchang city was mainly affected by 34S-enriched sulphur transported from northerly air masses and biogenic sulfur.