Chemical Composition and Distribution Law of Shallow Groundwater on the ce prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />ceName w:st="on">North ceName> ceType w:st="on">Shore ceType> of the ce w:st="on">ceName w:st="on">Chaohu ceName> ceType w:st="on">Lake ceType> ce>
详细信息
- 责任者：Ma Yuping (School of Resources and Environmental Engineering ; Hefei University of Technology ; Hefei 230009 ; China) ; Wang Jiaquan
- 刊名：Geology of Anhui
- 出版年：2011
- 卷期：21(3)
- 关键词：地下水 ; groundwater ; 水化学 ; hydrochemistry ; 巢湖 ; Chaohu Lake
- 页码：p.192-196
- 图表：6 illus., 2 tables, 17 refs.
- 分类号：1701
- issnNo：ISSN1005-6157
- isbnNo：CN34-1111/P
摘要
H-CN; mso-bidi-language: AR-SA" lang=EN-US>///With groundwater in an area of 1 000 km2 on the north shore of the Chaohu Lake as research object, 130 samples were collected to test 15 water quality indexes with a multitude of methods. Descriptive analysis, Piper trilinear chart, correlative analysis and ion proportionality coefficient were jointly applied to study of chemical distribution and spatial change features of groundwater, with a conclusion being reached as: 1) the Chaohu Lake north shore groundwater is of weak acid-weak alkaline water, with hardness being low and TDS basically less than 1g/l, belonging to freshwater; 2) main disqualified indexes are F-, NO-3, total hardness and NO-2, of which fluorine, total hardness and nitrogen pollutions dominate; 3) aquatic chemical types of groundwater are complex in the study area, about 28 in number in total, of them the dominant ones are HCO3·Cl-Na·Mg, HCO3·SO4-Na·Mg, HCO3·SO4·Cl-Na·Ca, and HCO3·SO4-Na·Ca·Mg taking up 11.38%, 8.94%, 8.94% and 7.32%, cerun: yes"> respectively; and 4) it is found through calculation of c(Na+)/c(Cl-) coefficient that most of groundwater varies in quality in the area.