QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

LIU Can-de; HE Bao-yin; LI Mao-tian; REN Xian-you

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QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you

文章导航 > Chinese Geographical Science > 2006 > 16(1): 79-82

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. 中国地理科学, 2006, 16(1): 79-82.

引用本文:

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. 中国地理科学, 2006, 16(1): 79-82.

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. Chinese Geographical Science, 2006, 16(1): 79-82.

Citation:

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. Chinese Geographical Science, 2006, 16(1): 79-82.

QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

1.
Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China;
2.
Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China;
3.
Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

基金项目: Under the auspices of Post Doctoral Scientific Fund of China (No.2003034495);Knowledge Innovation Program ofChinese Academy of Sciences (No.KZCX1-SW-12-1);and Knowledge Innovation Program of Institute of Geodesy and Geophysicsof Chinese Academy of Sciences (No.KSCX2-SW-110)

详细信息

作者简介:
LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

中图分类号: TP79;P737.14

QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

1.
Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China;
2.
Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China;
3.
Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

摘要: Remote sensing techniques have been widely used to observe bodies of water. Among satellite sensors commonly used for water quality studies, the Moderate-resolution Imaging Spectroradiometer (MODIS) has potential in water quality monitoring, because of its moderate spatial resolution and high temporal resolution. In this paper, the utility of MODIS data for suspended sediment monitoring in the middle Changjiang (Yangtze) River is studied. It is concluded that suspended sediment concentration correlates well with reflectance values (R₁-R₂)/(R₁+R₂) retrieved from MODIS 250m image data (R²=0.72, n=41). Based on this correlation, we obtain the empirical model of suspended sediment concentration in the middle Changjiang River from MODIS. It is shown that it is useful for MODIS data to monitor this parameter of water quality.
- MODIS /
- suspended sediment /
- empirical model /
- middle Changjiang River
Abstract: Remote sensing techniques have been widely used to observe bodies of water. Among satellite sensors commonly used for water quality studies, the Moderate-resolution Imaging Spectroradiometer (MODIS) has potential in water quality monitoring, because of its moderate spatial resolution and high temporal resolution. In this paper, the utility of MODIS data for suspended sediment monitoring in the middle Changjiang (Yangtze) River is studied. It is concluded that suspended sediment concentration correlates well with reflectance values (R₁-R₂)/(R₁+R₂) retrieved from MODIS 250m image data (R²=0.72, n=41). Based on this correlation, we obtain the empirical model of suspended sediment concentration in the middle Changjiang River from MODIS. It is shown that it is useful for MODIS data to monitor this parameter of water quality.
- MODIS /
- suspended sediment /
- empirical model /
- middle Changjiang River

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QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

1. Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China;

2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China;

3. Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

作者简介:
LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

收稿日期: 2005-10-12
刊出日期: 2006-03-20

中图分类号: TP79;P737.14

关键词:

MODIS /

suspended sediment /

empirical model /

middle Changjiang River

摘要: Remote sensing techniques have been widely used to observe bodies of water. Among satellite sensors commonly used for water quality studies, the Moderate-resolution Imaging Spectroradiometer (MODIS) has potential in water quality monitoring, because of its moderate spatial resolution and high temporal resolution. In this paper, the utility of MODIS data for suspended sediment monitoring in the middle Changjiang (Yangtze) River is studied. It is concluded that suspended sediment concentration correlates well with reflectance values (R₁-R₂)/(R₁+R₂) retrieved from MODIS 250m image data (R²=0.72, n=41). Based on this correlation, we obtain the empirical model of suspended sediment concentration in the middle Changjiang River from MODIS. It is shown that it is useful for MODIS data to monitor this parameter of water quality.

English Abstract

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. 中国地理科学, 2006, 16(1): 79-82.

引用本文:

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. 中国地理科学, 2006, 16(1): 79-82.

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. Chinese Geographical Science, 2006, 16(1): 79-82.

Citation:

LIU Can-de, HE Bao-yin, LI Mao-tian, REN Xian-you. QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS[J]. Chinese Geographical Science, 2006, 16(1): 79-82.

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QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

作者简介: LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

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QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

1. Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China; 2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China; 3. Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

作者简介: LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

English Abstract

QUANTITATIVE MODELING OF SUSPENDED SEDIMENT IN MIDDLE CHANGJIANG RIVER FROM MODIS

1. Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China; 2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China; 3. Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

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作者简介:
LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

1. Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China;

2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China;

3. Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China

作者简介:
LIU Can-de(1980- ),male,a native of Tai'an of Shangdong Province,master,specialized in application of RS and GIS.E-mail:candel@asch.whigg.ac.cn.

1. Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, P. R. China;

2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China;

3. Laboratory of Geographic Information Science, East China Normal University, Shanghai 200062, P. R. China