长江口地区大气湿沉降中营养盐的初步研究

应用生态学报 ›› 2003, Vol. ›› Issue (7): 1107-1111.

长江口地区大气湿沉降中营养盐的初步研究

张国森¹, 陈洪涛¹, 张经^1,2, 刘素美¹

1. 中国海洋大学化学化工学院, 青岛 266003;
2. 华东师范大学河口海岸国家重点实验室, 上海 200062

收稿日期:2002-12-18 修回日期:2003-02-26 出版日期:2003-07-15
通讯作者: 张国森,男,1979年生,硕士研究生,主要研究方向为海洋生物地球化学.E-mail:zhangj@mail.ouqd.edu.cn.
基金资助:
国家重点基础研究发展规划资助项目(G1999043705和2001CB409703).

Nutrient elements in the atmospheric wet deposition in Changjiang River estuary

ZHANG Guosen¹, CHEN Hongtao¹, ZHANG Jing^1,2, LIU Sumei¹

1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, Chinap;
2. State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China

Received:2002-12-18 Revised:2003-02-26 Online:2003-07-15

摘要/Abstract

摘要： 为了解大气湿沉降对于赤潮发生的影响,2000年5月至2001年4月在嵊泗群岛采集了64个雨水样品,并分析了其中的N、P、Si等营养盐的浓度.结果表明,营养盐月平均浓度之间相差较大,与风向即不同的污染物来源和降水量等因素有关;营养盐季节通量分布不均,季节性明显,除冬季外,其他3个季节均能成为赤潮的诱发因子;NO₃^--N、NH₄⁺-N、NO₂^--N、PO₄^3--P和SiO₃^2--Si的年均浓度依次为20.23、30.14、0.11、0.045和3.43μmol·L^-1,年通量分别为2.67×10⁸、3.98×10⁸、0.014×10⁸、0.0059×10⁸和0.45×10⁸mol,与河流输入量相比,湿沉降对营养盐的年输入量较小.

Abstract: In order to study the effects of atmospheric wet deposition on red tide,five kinds of nutrient elements were measured with 64 rainwater samples collected at Shengsi Archipelago from May 2000 to April 2001. The results showed that there were obvious differences between monthly average concentrations,due to the different resource and precipitation.The variation of seasonal fluxes suggested that the wet deposition might cause red tide except in winter. The annual concentrations of NO₃^--N, NH₄⁺-N, NO₂^--N, PO₄^3--P and SiO₃^2--Si were 20.23, 30.14, 0.11, 0.045 and 3.43μmol·L^-1,respectively,and their annual fluxes were 2.67×10⁸, 3.98×10⁸, 0.014×10⁸, 0.0059×10⁸ and 0.45×10⁸ mol, respectively. Compared with river input,they were much more smaller.

中图分类号:

X517

张国森, 陈洪涛, 张经, 刘素美. 长江口地区大气湿沉降中营养盐的初步研究[J]. 应用生态学报, 2003, (7): 1107-1111.

ZHANG Guosen, CHEN Hongtao, ZHANG Jing, LIU Sumei. Nutrient elements in the atmospheric wet deposition in Changjiang River estuary[J]. Chinese Journal of Applied Ecology, 2003, (7): 1107-1111.

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