利用混合光谱分解估测珠江口悬浮泥沙浓度

doi:10.11978/j.issn.1009-5470.2009.05.043

Journal of Tropical Oceanography ›› 2009, Vol. 28 ›› Issue (5): 43-48.doi: 10.11978/j.issn.1009-5470.2009.05.043cstr: 32234.14.j.issn.1009-5470.2009.05.043

• Marine physics • Previous Articles Next Articles

Estimation of suspended sediment concentration at Zhujiang River Mouth based on decomposition of mixing spectrum

LIU Da-zhao1,2,3, CHEN Chu-qun1, LIU Fen-fen 1, GONG Jie-qiong1

1. Key Laboratory of Environment Dynamics, South China Sea Institute of Oceanology, CAS, Guangzhou 510301 China;
2. Guangdong Ocean University, Zhanjiang 524088, China;
3. Graduate Univ. of Chinese Academy of Sciences, Beijing 100864, China

Received:2008-11-08 Revised:2009-02-27 Online:2009-11-10 Published:2009-10-10
About author:刘大召, 男，在读博士研究生，主要研究方向为海洋遥感图像处理
Supported by:
广东省自然科学基金重点项目（06105018）;国家海洋局公益性行业科研专项（200805028）

Abstract

Abstract:

Although there has some been effort to retrieve suspended sediment concentration (SSC) by using remote sensing data, there are some limitations for the application of this technology in estuary waters partly due to the low spatial resolution of remote sensing data, such as the Moderate Resolution Imaging Spectroradiometer data. By comparison, the EO-1 Hyperion instrument, which is capable of resolving 196 spectral bands over the range of 400–2500 nm, with 10-nm wide band and 30-m spatial resolution, has a great potential in studying suspended sediments in estuaries. The authors study the SSC at the Zhujiang River Mouth using the Hyperion images obtained on December 4, 2006, along with the real time remote sensing reflectance. The results show that the mixing spectral decomposition model is a good choice for estimating the SSC using remote sensing data.

Key words: Zhujiang River Mouth, Hyperion, suspended sediment

CLC Number:

P731.14

LIU Da-zhao,CHEN Chu-qun,LIU Fen-fen ,GOGN Jie-qiong . Estimation of suspended sediment concentration at Zhujiang River Mouth based on decomposition of mixing spectrum[J].Journal of Tropical Oceanography, 2009, 28(5): 43-48.

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Estimation of suspended sediment concentration at Zhujiang River Mouth based on decomposition of mixing spectrum

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