MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" class=MsoNormal>mso-font-kerning: 18.0pt; mso-bidi-font-family: 宋体" lang=EN-US>An Analysis of the Changes and Reasons of Springs in the ml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Beijing Areaml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

• 责任者：Wang Xiaona (College of Water Sciences Research ; Beijing Normal University ; Beijing 100875 ; China) ; Wang Jinsheng
• 刊名：Hydrogeology and Engineering Geology
• 出版年：2010
• 卷期：37(4)
• 关键词：泉 ; springs ; 北京 ; Beijing
• 页码：p.28-32
• 图表：3 illus., 3 tables 18 refs.
• 分类号：1701
• issnNo：ISSN1000-3665
• isbnNo：CN11-2202/P

MARGIN: 0cm 0cm 0pt" class=MsoNormal>ml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Beijing was famous for the occurrence of a lot of springs in the history. However, with the development of society and the changes in natural environment, many historically great and famous springs disappeared or declined sharply in discharge nowadays. In this paper, the authors investigated Beijing’s springs, analyzed water quality, and summarized their current status. Based on the historical data, the reasons for the changes of the springs were discussed from such factors as climate, hydrology, etc.ml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />