首页 | 官方网站   微博 | 高级检索  
     

太湖沿岸水体CDOM吸收光谱特性
引用本文:段洪涛,马荣华,孔维娟,郝景燕,张寿选.太湖沿岸水体CDOM吸收光谱特性[J].湖泊科学,2009,21(2):242-247.
作者姓名:段洪涛  马荣华  孔维娟  郝景燕  张寿选
作者单位:中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室,南京,210008
基金项目:国家自然科学基金,中国科学院优秀博士学位论文、院长奖获得者科研启动专项基金,中国科学院知识创新工程领域的沿项目 
摘    要:有色可溶性有机物(CDOM)吸收光谱特性研究对于水色定量遥感反演具有重要作用.通过2007年6月10日至6月18日太湖沿岸68个CDOM吸收光谱曲线和水质参数实测数据,分析了CDOM吸收光谱曲线特征以及ag(440)、Sg值及其相关关系等,结果表明:太湖沿岸水体CDOM吸收光谱曲线表现为两种类型,贡湖湾CDOM吸收系数明显高于太湖其他沿岸水域,ag(440)最高值即出现在贡湖湾;同时,梅梁湾、贡湖湾、镇湖湾、光富湾等ag(440)高于沿岸水体平均值,而南部3个湖湾皆低于平均值.另外,贡湖湾Sg值较小,且与ag(440)呈现出较好的关系;而沿岸其它水体Sg值与ag(440)虽然呈现负相关,但关系不明显.这对于了解太湖水体CDOM特件以及定量反演有一定的意义和作用.

关 键 词:黄色物质  贡湖湾
收稿时间:2008/10/4 0:00:00
修稿时间:2008/12/4 0:00:00

Optical properties of chromophoric dissolved organic matter in Lake Taihu
DUAN Hongtao,MA Ronghu,KONG Weijuan,HAO Jingyan and ZHANG Shouxuan.Optical properties of chromophoric dissolved organic matter in Lake Taihu[J].Journal of Lake Science,2009,21(2):242-247.
Authors:DUAN Hongtao  MA Ronghu  KONG Weijuan  HAO Jingyan and ZHANG Shouxuan
Affiliation:State Key Laboratory of Lake Science and Environment;Nanjing Institute of Geography and Limnology;Chinese Academy of Sciences;Nanjing 210008;P.R.China
Abstract:Researches on optical properties of Chromophoric Dissolved Organic Matter (CDOM) has played an important role in quantitative water-color remote sensing retrieval. The optical properties of CDOM in coastal waters of Lake Taihu were investigated from June 10 to June 18 in 2007. The results show that the specific absorption coefficient of CDOM varied significantly and was higher apparently in Gonghu Bay than in other areas. The specific absorption coefficient at 440nm (ag(440)) also showed a similar trend, an...
Keywords:ag(4440)  Sg
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《湖泊科学》浏览原始摘要信息
点击此处可从《湖泊科学》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号