全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

南大洋沉积物间隙水中营养盐分布及扩散通量研究

, PP. 102-107

Keywords: 营养盐,间隙水,沉积物,南大洋

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用中国第18次南极考察获得的沉积物样品,对南大洋沉积物间隙水中营养盐的含量及分布特征进行了研究,估算了营养盐的底部通量.结果表明,南大洋沉积物间隙水中的营养盐以高含量的硅酸盐、铵盐为主.在垂向分布上,硅酸盐在沉积物-水界面呈现出明显的浓度梯度,这种分布特征表明,在硅的早期成岩过程中溶出是主要过程.沉积物中有机物的降解反应主要在还原状态下进行.硅酸盐与铵盐存在明显的向上释放的通量.

References

[1]  BERNER R A.Early diagenesis:a theoretical approach[M].Princeton;Princeton series in Geochemistry,1980.241.
[2]  GAILLARD J F.ANTARES-I:a biogeochemical study of the India sector of the Southern Ocean[J].Deep-Sea Research,1997,44(5):951-961.
[3]  ARCHER D,LYLE M,RODGERS K,et al.What controls opal preservation in tropical deep-sea sediments?[J].Paleoceanography,1993,8:7-21.
[4]  CAPPELLEN V,QIU P L.Biogenic silica dissolution in sediments of the Southern Ocean:Ⅰ.Solubility[J].Deep-Sea Research (Ⅱ),1996,44(5):1 109-1 128.
[5]  宋金明.中国近海沉积物-海水界面化学[M].北京:海洋出版社,1997.6-8.
[6]  顾德宇,依里凯宁 N,特雷夫里 H.一个还原性沉积物的间隙水化学特征[J].海洋学报,1989,11(2):171-175.
[7]  潘建明,周怀阳,扈传昱,等.夏季珠江口沉积物中营养盐剖面分布和界面交换通量[J].海洋学报,2002,24(3):52-59.
[8]  陈绍勇,韩舞鹰.南海东北部沉积物间隙水氮和硅的研究[J].热带海洋,1994,13:56-60.
[9]  倪建宇,MICHAEL Maggiulli,刘小涯,等.赤道东北太平洋表层沉积物间隙水中营养盐的剖面分布及其海底扩散通量[J].地球化学,2005,134(6):587-594.
[10]  LI Y,GREGORY S.Diffusion of ions in sea water and deep sea sediment[J].Geochimica et Cosmochimica Acta,1974,38:703-714.
[11]  周伟华,吴云华,陈绍勇.南沙群岛海域沉积物间隙水营养盐(氮、磷、硅)的研究[J].热带海洋学报,2001,20(4):49-55.
[12]  RAGUENEAU O,GALLINARI M,CORRIN L,et al.The benthic silica cycle in the Northeast Atlantic:annual mass balance seasonality,and importance of non-steady-state processes for the early diagenesis of biogenic opal in deep-sea sediments[J].Progress in Oceanography,2000,50:171-200.
[13]  MCMANUS J,HAMMOND D E,BERELSON W M,et al.Early diagenesis of biogenic opal:dissolution rates,kinetics,and paleoceanographic implications[J].Deep-Sea Research (Ⅱ),1995,42:871-903.
[14]  MARCKIN J E.Boron and silica behavior in salt-marsh sediments:Implications for pale-boron distributions and the early diageneisis of silica[J].American Journal of Science,1987,287:197-241.
[15]  宋金明,李延东.海沉积物间隙水中硅酸盐和硫酸盐"扩散-平流-反应"模式的研究[J].海洋科学,(1):1991,27-34.
[16]  叶曦雯,刘素美,张经.鸭绿江口潮滩沉积物间隙水中的营养盐[J].环境科学,2002,23(3):92-96.
[17]  张德荣,陈繁荣,杨永强,等.夏季珠江口外近海沉积物/水界面营养盐的交换通量[J].热带海洋学报,2005,24(6):53-60.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133