黄河水环境的地球化学初步研究

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	黄河水环境的地球化学初步研究
	顾爱良
	1994
学位授予单位	中国科学院地球化学研究所
学位授予地点	中国科学院地球化学研究所
学位名称	博士
学位专业	环境地球化学
关键词	黄河悬浮物硫同位素
摘要	本文重点对黄河干流水、悬浮颗粒物、沉积物和黄河流域部分土壤样及黄土样的硫同位素组成进行了测定，发现①黄河水较富集~(34)S，其 δ~(34)S值的变化范围为：+3.567～+11.117‰，平均为 +8.44‰，并且自黄河上游至中游，其 δ~(34)S值逐渐增大，至三门峡达到全程的最高值，自此以后逐渐减少，但总的变化不大；②黄河水的 SO_4~(2-)含量与 δ~(34)S值有非常一致的沿程变化规律；③黄河悬浮物较富集 ~(32)S, 其 δ~(34)S 值为 -3.643～+5.279‰，且大部分悬浮物都为负值；④黄河水、悬浮物、沉积物的 δ~(34)S 值大小顺序为：δ~(34)S_水 > δ~(34)S_(沉积物) > δ~(34)S_(悬浮物)。并且对黄河水的硫的主要来源作了探讨。此外，还对黄河干流沿程的水文学特征，河水的环境地球化学特征，悬浮颗粒物的化学组成和矿物学组成以及它们的空间沿程变化规律作了初步讨论；同时还估算了黄河水、沙和水溶态、颗粒态物质的输送通量。
其他摘要	The ratio of stable isotopes of sulphur (~(34)/~(32)S) in dissolved sulphate, suspended sediments (ss), bottom sediment (bs) in the Huanghe (Yellow River) and some soil samples of the Huanghe drainage basin was measured, there are several striking features: (1). The riverwater of Huanghe enriches ~(34)S, the value range of δ~(34)S is +3.567～+11.117‰, Mean +8.44‰, and the δ~(34)S value raises steadily from upper reach to middle reach, it gets the highest value in SaMenXia, and from there the value decrease, but the change is small. (2). The content of SO_42- and δ~(34)S value display sympathetic variations along the course. (3). The suspended sediment (ss) of Huanghe enrich ~(32)S, the value range of δ~(34)S is -3.643～+5.279‰, and most ones are negative, there is an erratic variation along the mainstream. (4). The value order of δ~(34)S in river water, suspended sediment and bottom sediment is δ~(34)S_(riverwater) > δ~(34)S_(bs) > δ~(34)S_(ss). In addition, the main sources of dissoloved sulphate in the Huanghe's riverwater is discussed. The hydrologic characteristics of mainstream of Huanghe, environmental geochemical features of riverwater, the chemical and mineralogical compositions of suspended sediment and their variations along the river course were also studied, in the meantime, the fluxes of discharge, sediment, solute and particulate substances of Huanghe to Bohai are estimated.
页数	63
语种	中文
文献类型	学位论文
条目标识符	http://ir.gyig.ac.cn/handle/352002/3956
专题	研究生_研究生_学位论文
推荐引用方式 GB/T 7714	顾爱良. 黄河水环境的地球化学初步研究[D]. 中国科学院地球化学研究所. 中国科学院地球化学研究所,1994.