全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于半分析模型的新庙泡叶绿素a浓度反演研究

Keywords: 高光谱遥感,半分析模型,叶绿素a,新庙泡

Full-Text   Cite this paper   Add to My Lib

Abstract:

叶绿素a(Chl-a)含量是反映水体水质的重要参数之一,利用遥感技术监测其浓度具有众多优势.本研究利用2004年5-9月的吉林省新庙泡实测高光谱数据和实验室分析数据,建立了基于三波段的Chl-a浓度反演模型.该模型基于水体叶绿素a、悬浮物、溶解有机物、纯水的生物光学特性分析,优化组合了3个特征波长.结果表明用该方法建立的模型具有一定的物理基础,反演精度较高,其决定系数和均方根误差分别为0.8758、4.98μg·L-1,适合于内陆水体Chi-a含量的定量提取.

References

[1]  YIN Qiu,SHU Xiao-Zhou,XU Zhao-An,et al.Analysis on the ultra-spectral characteristics of water environmental parameters about lake[J].J.Infrared Millim.Waves(尹球,疏小舟,徐兆安,等.湖泊水环境指标的超光谱响应特征分析.红外与毫米波学报),2004,23(6):427-430,435.
[2]  GONG Cai-Lan,YIN Qiu,KUANG Ding-Bo,et al.Study on the spectral reflectivity models of different water quality parameters in Huangpu River[J].J.Infrared Millim.Waves(巩彩兰,尹球,匡定波,等.黄浦江不同水质指标的光谱响应模型比较研究.红外与毫米波学报),2006,25(4):282-286.
[3]  Gitelson A,Gritz U,Merzlyak M N.Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non-destructive chlorophyll assessment in higher plant leaves[J].J.Plant Physiol.,2003,160,271-282.
[4]  Zimba P,Gitelson A.Remote estimation of chlorophyll concentration in hyper-eutrophic aquatic systems:Model tuning and accuracy optimization[J].Aquaculture,2006,256:272-286.
[5]  Dall\' Olmo G,Gitelson A.Effect of bio-optical parameter variabilitity on the remote estimation of chlorophyll-a concentration in turbid productive waters:experimental results[J].Appl Opt,2005,44(3):412-422.
[6]  TANG Jun-Wu,TIAN Guo-Liang,WANG Xiao-Yong,et al.The spectra measurement and analysis about water I:method of measurement above water[J].Journal of remote sensing(唐军武,田国良,汪小勇,等.水体光谱测量与分析I:水面以上测量法.遥感学报),2004,8(1):37-44.
[7]  DUAN Hong-Tao,ZHANG Bai,LIU Dian-Wei,et al.Relationship between fluorescence peak spectral features and Chlorophyll-a in lake Chagan[J].Infrared Millim.Waves(段洪涛,张柏,刘殿伟,等.查干湖水体光谱荧光峰特征与叶绿素a响应关系研究.红外与毫米波学报),2006,25(5):355-359.
[8]  Gordon H R,Brown O B,Evans R H,et al.A semianalytic radiance model of ocean color[J].J.C,Geophys.Res,1988,93:10909-10924.
[9]  Morel A,Gentili B.Diffuse reflectance of oceanic waters Ⅲ,implications of bidirectionality for the remote sensing problem[J].Applied Optics,1996,35:4850-4862.
[10]  Melin F,Zibordi G,Berthon J F.Assessment of Sea WiFS atmospheric and marine products for the Northern Adriatic Sea[J].IEEE Trans.Geosci.Remote Sens,2003,41:548-558.
[11]  Raymond C S,Karen S B.Optical properties of the clearest natural waters (200-80Onm)[J].Applied Optics,1981,20(2):177-184.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133