The Hydrogeochemical Modeling for Total Hardness in Aquifer of Urban Area

Author

Cheng Donghui ; Liu Mingzhu ; Chen Honghan ; He Jiangtao ; He Guoping ; Lin Jian

Author_Institution

Coll. of Environ. Sci. & Eng., Chang´an Univ., Xi´an, China

fYear

2010

fDate

18-20 June 2010

Firstpage

1

Lastpage

4

Abstract

The total hardness in aquifer often increased rapidly in urban area, and it may caused by the hydrogeochemistry. However it is not clear where the hydrogeochemistry happened in aquifer or in vadose zone. In this paper, mineral dissolution and cation exchange relevant to total hardness were simulated by the hydrogeochemical transport model in order to research the influences of the mineral dissolution and cation exchange in aquifer on chemical composition in groundwater system. The results showed that the contribution of calcite and dolomite dissolution to HCO₃^-, Ca²⁺ and Mg²⁺ of groundwater is less than 1 mg/L in a year, which revealed that the rapid increase of HCO₃^-, Ca²⁺ and Mg²⁺ of groundwater may derive from the mineral dissolution of vadose zone.

Keywords

dissolving; geochemistry; groundwater; hydrology; ion exchange; aquifer; calcite; cation exchange; chemical composition; dolomite; groundwater system; hydrogeochemical transport model; mineral dissolution; total hardness; urban area; vadose zone; Chemical analysis; Geology; Helium; Inverse problems; Minerals; Partial response channels; Pollution; Rivers; Urban areas; Water resources;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioinformatics and Biomedical Engineering (iCBBE), 2010 4th International Conference on

Conference_Location

Chengdu

ISSN

2151-7614

Print_ISBN

978-1-4244-4712-1

Electronic_ISBN

2151-7614

Type

conf

DOI

10.1109/ICBBE.2010.5517271

Filename

5517271