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[1]ZHANG Wang,WANG Dianwu,LEI Kun,et al.Hydrochemical Characteristics and Impact Factors in the Middle and Lower Reaches of the Yellow River in the Wet Season[J].Research of Soil and Water Conservation,2020,27(01):380-386,393.

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Hydrochemical Characteristics and Impact Factors in the Middle and Lower Reaches of the Yellow River in the Wet Season

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 27 Number of periods: 2020 01 Page number: 380-386,393 Column: Public date: 2020-02-20

Title:: Hydrochemical Characteristics and Impact Factors in the Middle and Lower Reaches of the Yellow River in the Wet Season

Author(s):: ZHANG Wang^1,2, WANG Dianwu¹, LEI Kun², LYU Xubo², CHEN Yu³, YANG Libiao²; (1.College of Resources and Environmental Sciences, Hebei Agricultural University, Baoding, Hebei 071000, China; 2.Institute of Integrated Management of Water Environment Pollution, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; 3.Baoding Environmental Protection Research Institute,, Baoding, Hebei 071051, China)

Keywords:: hydrochemical; control factors; Gibbs diagram; evaporite salt rock; the middle and lower reaches of the Yellow River

CLC:: X143

DOI:: -

Abstract:: The hydrochemical composition of the middle and lower reaches of the Yellow River in the wet season was investigated and the main control factors were discussed. The results show that the main hydrochemical coposition in Xiaolangdi reservoir area is HCO^-₃—Cl^-—Na⁺, the total dissolved solids(TDS)and HCO^-₃ concentrations in the Xiaolangdi reservoir area are significantly higher in the bottom layer than those of the surface layer (p<0.05); the TDS, the concentrations of HCO^-₃, Ca²⁺ and Mg²⁺are increasing from the upper reaches(the section of Fenglingdu)to the downstream(the section of Dongying)due to the downstream carbonate rock weathering. The Gibbs diagram, the anion-cation triangle diagram and the ion ratio map showed that the hydrochemical composition of the section of Fenglingdu to the section of Dongying is mainly affected by the dissolution of the evaporite salt rock and the weathering of the carbonate rock. Domestic sewage or industrial wastewater is also an important contribution to the hydrochemical composition. The results of principal component analysis show that the contribution rates of evaporation salt rock dissolution and carbonate rock weathering to hydrochemical composition are 46.55% and 35.90%, respectively.

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Last Update: 2020-02-25