The decomposition method of MODIS images <em>Enteromorpha</em> mixed pixels based on the relation of NDVI to abundance

Ding Yi; Huang Juan; Cui Tingwei; Wan Zhenwen; Zhang Yi; Cao Conghua; Chen Chao; Xiao Yanfang

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Article Navigation > Haiyang Xuebao > 2015 > 37(7): 123-131

Ding Yi, Huang Juan, Cui Tingwei, Wan Zhenwen, Zhang Yi, Cao Conghua, Chen Chao, Xiao Yanfang. The decomposition method of MODIS images Enteromorpha mixed pixels based on the relation of NDVI to abundance[J]. Haiyang Xuebao, 2015, 37(7): 123-131.

Citation:

Ding Yi, Huang Juan, Cui Tingwei, Wan Zhenwen, Zhang Yi, Cao Conghua, Chen Chao, Xiao Yanfang. The decomposition method of MODIS images Enteromorpha mixed pixels based on the relation of NDVI to abundance[J]. Haiyang Xuebao, 2015, 37(7): 123-131.

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The decomposition method of MODIS images Enteromorpha mixed pixels based on the relation of NDVI to abundance

1.
Shandong Provincial Laboratory of Marine Ecology and Environment & Disaster Prevention and Mitigation, Qingdao 266061, China;North China Sea Marine Forecasting Center, State Oceanic Administration, Qingdao 266061, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
3.
Danish Meteorological Institute, Denmark
4.
Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316004, China

Received Date: 2014-09-04
Rev Recd Date: 2014-12-08

Abstract

Abstract

MODIS images are valuable data source generated from operational satellite remote sensing for monitoring Enteromorpha in the Yellow Sea. However,there are large errors inenteromorpha coverage derived on base of NDVI Threshold Method,because of mixed pixels in the coarse resolution(250 m) MODIS images. To solve the problem,this paper,using the near real-time HJ-1 CCD images as reference,the "NDVI-abundance" decomposition of mixed pixel model was established. The developed model can significantly improve the extracted Enteromorpha information. As the method presented here can extract more accurate information,it is speculated to play a significant role in copying with Enteromorpha disasters.
- Enteromorpha,
- MODIS,
- HJ-1 CCD,
- NDVI,
- abundance

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References(16)

References

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http://modis.gsfc.nasa.gov/about/design.php

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