Changling, L., Guosen, Z., Hongbo, R. et al. Distribution of heavy metals and nutrients in rainwater in coastal regions between the southern Yellow Sea and East China Sea., Chin. J. Ocean. Limnol. 23, 230–237 (2005). https://doi.org/10.1007/BF02894244
DOI:
Changling, L., Guosen, Z., Hongbo, R. et al. Distribution of heavy metals and nutrients in rainwater in coastal regions between the southern Yellow Sea and East China Sea., Chin. J. Ocean. Limnol. 23, 230–237 (2005). https://doi.org/10.1007/BF02894244DOI:
Distribution of heavy metals and nutrients in rainwater in coastal regions between the southern Yellow Sea and East China Sea
摘要
Abstract
Rainwater samples were collected in series in Qianliyan Island (southern Yellow Sea) and Shengsi Archipelago (East China Sea) between May 2000 and May 2002
chemical analysis for pH values
concentrations of heavy metals (Cu
Pb
Zn and Cd) and nutrients (NH4 +
NO3 −
PO4 3−
SiO3 2−) were performed. Results indicate that concentrations of most of the heavy metals and nutrients in rainwater show clear seasonal variation
i.e. high level in winter and low level in summer. Regionally
concentrations are higher in the southern Yellow Sea than in the East China Sea
but the annual input of heavy metals into oceans by wet deposition is similar in both stations. However
the input of nutrients by wet deposition in the East China Sea is 2–3 times higher than that in the southern Yellow Sea. In individual
Pb and PO4 3− are input to the sea mainly by dry deposition; whereas Cu
Zn
Cd and N compounds are input dominantly by wet deposition
the N/P ratios in the rainwater from two stations are much higher than those in seawater
showing a significant impact of atmospheric wet deposition on marine production and biogeochemical circulation of nutrients in these sea regions.
关键词
Keywords
references
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