九龙江—厦门湾河口区溶解226Ra的分布
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摘要: 利用锰纤维富集和直接射气法测定海水中226Ra的方法,对九龙江-厦门湾溶解226Ra的分布进行了一次调查。结果发现在河口区内溶解态的226Ra呈非保守行为,与世界上几大河流河口区226Ra的行为极为相似。在海门岛附近的水体中(S≈9)发现溶解态226Ra浓度最大,其值为0.598dpm/dm3,说明咸淡水在此处混合最激烈。本河口区溶解226Ra的最大值比Mississippi河的值小,比其他河流的值大2~5倍。
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Broecker W S,J Goddard and J L Sarmiento.The distribution of 226Ra in the Atlantic Ocean.Earth Planet.Sci.Lett.,1978,32,220-225 Li X H,G G Mathieu,P Biscaye and H J Simpson,The flux of 226Ra from estuarine and continnental shelf sediments.Earth Planet.Sci.Lett.,1977.37.237-241 Li Y H and L H Chan.Desorption of Ba and 226Ra from river borne sediments in the Hudson Estuary.Earth Planet.Sci.Lett.,1979,43,343-350 Elsinger R J and W S Moore,226Ra behavior in the Pee Dee River-Winyah Earth Planet Sci.Lett.,1980,48,239-249 Elsinger R J and W S Moore,226Ra and 226Ra in the mixing zones of De e River-Winyah Bay,Yantze River and Delaware Bay estuaries.Estuerine Coastal Shelf Sci.,1984,18,601-613 Moore W S.Radium isotopes in the Chesapeake Bay.Estuarine Coastal Shelf Sci.,1981,12,713-723 Key R M,R F Stallard,W S Moore and J L Sarmiento.Distribution and flux of 226Ra and 226Ra in the Amazon River Estuary.J.Geophys,Res,,1985,90,B995-7004 Moore D G and M R Scott,Behavior of zzsRa in the Mississipi River mixing zone.J.Geophys.Res.,1986,91,(C12): 14317-14329 王伟强等.福建九龙江口河海水混合特征.台湾海峡,1986,5 (1):10-17 国家海洋局第三海洋研究所.厦门港湾海洋环境综合调查报告(Ⅱ).台湾海峡,1988,7,1 Greenland D L and M H B Hayes,The chemistry of soil processes.Chichester,Wiley,1981,120 Gibbs R J.Circulation in the Amazon River estuary-and adjacent Atlantic Ocean,J,Mar.Res.,1970,28,113-123 Sayles F L and P C Jr Mangelsdorf,Cationexchang characteristica of Amzaon River suspended sediment and its reaction with seawater.Geochim,Cosmochim.Acta,1979,43,767-779 Wright L D.Hydrography of South Pass,Mississippi Rirer.J,Water,Harbors Coastal Eng,Div,Am,Soc.Civ,Eng,1971,97,491-503 Mc Crone A W.The Hudson River Estuary;sedimentary and geochemical properties between Kingston and Haverstraw,New York,J.Sediment,Petrol.,1967,37,475-486
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