[1]蒋志昊,梁文广,石一凡,等.基于高光谱分析的长荡湖水质监测技术研究[J].江苏水利,2022,(08):26-34.
 JIANG Zhihao,LIANG Wenguang,SHI Yifan,et al.Research on water quality monitoring technology of Changdang Lake based on hyperspectral analysis[J].JIANGSU WATER RESOURCES,2022,(08):26-34.
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基于高光谱分析的长荡湖水质监测技术研究()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2022年08期
页码:
26-34
栏目:
水生态与环境
出版日期:
2022-09-01

文章信息/Info

Title:
Research on water quality monitoring technology of Changdang Lake based on hyperspectral analysis
文章编号:
1007-7839(2021)08-0026-0009
作者:
蒋志昊1梁文广1石一凡1王冬梅1唐大伟2宋亚君1
(1.江苏省水利科学研究院,江苏 南京 210000;2.江苏省水文水资源勘测局常州分局,江苏 常州 213300)
Author(s):
JIANG Zhihao1 LIANG Wenguang1 SHI Yifan1 WANG Dongmei1TANG Dawei2 SONG Yajun1
(1.Jiangsu Hydraulic Research Institute, Nanjing 210000, China;2.Changzhou Hydrology and Water Resources Investigation Bureau of Jiangsu Province, Changzhou 213300, China)
关键词:
高光谱水生态反演模型水质参数长荡湖
Keywords:
hyperspectral water ecology inversion model water quality parameter Changdang Lake
分类号:
X832
文献标志码:
B
摘要:
以江苏省长荡湖为例,对15项常规水质参数进行实地采样试验,并同步测定采样点的水体高光谱信息。为研究高光谱信息在该湖泊水质反演中的适用性,对水质参数和对应光谱特征进行定量分析,筛选高光谱对水质指标的敏感波段。分别选用波段差值、波段比值和单波段建立半经验数学模型,并根据实测值验证各模型反演精度。结果表明,利用波段组合反射率建立的模型对TP、浊度、悬浮物SS、水温和透明度具有较好的拟合效果。
Abstract:
Taking Changdang Lake as an example, field sampling experiments were conducted on 15 sets of normal water quality parameters and the hyperspectral information of the water body at the sampling points was simultaneously measured. In order to study the applicability of hyperspectral information in water quality inversion in the lake, the water quality parameters and corresponding spectral characteristics were quantitatively analyzed, and the sensitive bands of hyperspectral to water quality indicators were selected. The semi-empirical mathematical models were established with difference of band reflectance, ratio of band reflectance and single band reflectance respectively, and the accuracy of inversion models were evaluated by the verification group. The results show that the model established by the reflectance of band mixed has a good fitting effect on total phosphorus, turbidity, suspended matter concentration, water temperature and transparency satisfactorily.

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备注/Memo

备注/Memo:
收稿日期:2022-02-07
基金项目:江苏省水利科技项目(2020061);自主科研项目(20222026)
作者简介:蒋志昊(1990—),男,工程师,硕士,主要从事定量遥感与水利规划工作。邮箱:18761609674@163.com
更新日期/Last Update: 2022-08-15