地理科学 ›› 1985, Vol. 5 ›› Issue (2): 106-110.doi: 10.13249/j.cnki.sgs.1985.02.106

• 论文 • 上一篇    下一篇

新水体营养状态指数的探讨

陈田耕   

  1. 杭州大学地理系
  • 出版日期:1985-03-20 发布日期:1985-03-20

A NEW TROPHIC STATE INDEX OF WATER BODY

Chen Tiangen   

  1. Department of Geography, Hangzhou University
  • Online:1985-03-20 Published:1985-03-20

摘要: 迄今,国外采用的营养状态指数或模式均为统计指数或统计模式。这些指数或模式又可分为三类。一类以经典的 Vollenweider 模式[1],以及 Dillon 模式[2]和 Larsen-Me-rcier 模式[3]为代表,他们以湖泊营养物质状况划分湖泊的营养型。这类模式能简便而明确地反映营养状态。

Abstract: A few kind of foreign trophic state indexes or models are briefly described and assessed in this paper.It is shown that these indexes or models are all statistical ones and merely are adapted to assess tropic state of lake in some research regions or another comparable regions.So a new kind of trophic state index is proposed.The index is of characteristics as follows: totality,simplicity and reliability of showing lake trophic states,authority of assessment standards,and equality among the sub-indexes.The index shortcoming is that it is only adapted for phosphorus-limiting lakes. In this paper the trophic state index is used to assess the trophic state of the West Lake in Hangzhou.The assessment result is both reasonable and reliable.