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遥感技术与应用  2013, Vol. 28 Issue (4): 627-632    DOI: 10.11873/j.issn.1004-0323.2013.4.627
图像与数据处理     
海岸带高光谱遥感与近海高光谱成像仪(HICO)
娄明静1,2,邢前国1,施平1
(1.中国科学院烟台海岸带研究所中国海岸带环境过程与生态修复重点实验室,山东 烟台 264003;
2.中国科学院大学,北京 100049)
Hyperspectral Remote Sensing for Coastal Zone and Hyperspectral Imager for the Coastal Ocean
Lou Mingjing1,2,Xing Qianguo1,Shi Ping1
(1.Yantai Institute of Coastal Zone Research,Chinese Academy of Sciences,Key Laboratory of
Coastal Zone Environmental Processes and Ecological Remediation,Yantai 264003,China;
2.University of Chinese Academy of Sciences,Beijing 100049,China;)
 全文: PDF(3391 KB)  
摘要:

应海岸带监测需求,高光谱成像仪开始在海岸带监测中发挥重要作用。搭载于国际空间站上的HICO(Hyperspectral Imager for the Coastal Ocean)是第一颗针对近岸海洋遥感的高光谱成像仪,其波谱范围为360~1 080 nm,光谱分辨率为5 nm。介绍了HICO数据的基本情况,并与在轨星载高光谱成像仪EO-1 Hyperion和HJ-1A HSI基本参数做了对比。同时针对高浑浊水体,以黄河三角洲近岸3种典型地物为例,结合FLAASH大气校正模型,提取了辐亮度和地表反射率,初步对比分析了HICO和HSI的光谱性能。结果表明HICO能更好地反映近岸地物的光谱特征。

关键词: HICOFLAASH大气校正近海黄河三角洲    
Abstract:

HICO (Hyperspectral Imager for the Coastal Ocean) is the first hyperspectal imager on board International Space Station (ISS),and it is specially designed for coastal ocean remote sensing.In this paper,main characteristics of HICO are introduced and compared with another two on-orbit hyperspectral imager:EO-1 Hyperion,HJ-1A HyperSpectral Imager.In the case of turbid water environment of the Yellow River Delta,three typical kinds of objects are selected for comparasion of their radicane and ground reflectance after the atmospheric correction with FLAASH (Fast Line of Sight Atmospheric Analysis of Spectral Hypercubes).Results show that HICO’s spectrum curves are smooth and consistant with in-situ measured spectra,while HSI’s fluctuate strongly,particularly in blue bands.Water retrieval using ~820 nm band in atmospheric correction distinctly improves the reflectance accuracy around absorption band of water vapour.On the whole,HICO has better performance than HSI in delivering the spectral characteristics of objects in coastal zone.

Key words: HICO    FLAASH    Atmospheric correction    Coastal zone    Yellow River Delta
收稿日期: 2012-05-10 出版日期: 2013-08-14
:  TP 732  
基金资助:

中国科学院知识创新工程重要方向项目(KZCX2-YW-Q07-01),中国科学院对外合作重点项目资助(GJHZ1207),CAS/SAFEA创新团队国际伙伴计划“海岸带典型环境过程与资源效应”。

通讯作者: 邢前国(1975-),男,湖北广水人,副研究员,主要从事环境遥感、数值模拟预评估。E-mail:qgxing@yic.ac.cn。    
作者简介: 娄明静(1987-),女,山东章丘人,硕士研究生,主要从事海岸带环境遥感与地理信息系统应用研究。E-mail:mjlou@yic.ac.cn。
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引用本文:

娄明静,邢前国,施平. 海岸带高光谱遥感与近海高光谱成像仪(HICO)[J]. 遥感技术与应用, 2013, 28(4): 627-632.

Lou Mingjing,Xing Qianguo,Shi Ping. Hyperspectral Remote Sensing for Coastal Zone and Hyperspectral Imager for the Coastal Ocean. Remote Sensing Technology and Application, 2013, 28(4): 627-632.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2013.4.627        http://www.rsta.ac.cn/CN/Y2013/V28/I4/627

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