Monitoring experiment and analysis of blue-green algae waterbloom in Chaohu Lake by NOAA satellite

Wen Hu; Shizhi Yang; Wuquan Zhai; Kun Zhou; Yong Huang

doi:10.1117/12.467369

8 May 2003 Monitoring experiment and analysis of blue-green algae waterbloom in Chaohu Lake by NOAA satellite

Wen Hu, Shizhi Yang, Wuquan Zhai, Kun Zhou, Yong Huang

Proceedings Volume 4892, Ocean Remote Sensing and Applications; (2003) https://doi.org/10.1117/12.467369
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Algal chlorophyll measurement is usually used to assess trophic status of lakes. The development of satellite remote sensing technology make it possible to detect spectral features of algal chlorophyll and to map the spatial distribution of algae in large lakes. In this paper, NOAA satellite data were utilized to monitor the blue-green algae waterbloom in Chaohu Lake, together with the water sampling for concentrations of chlorophhyll-a analysis and spectral measuring simultaneously. The result indicates that: if there are chlorophylls of blue-green algae, the water reflectance in the near infrared band will obviously increase. Based on this spectral characteristic and the features of blue-green algae' float, meteorological satellite NOAA/AVHRR data can be used to monitor the blue-green algae waterbloom in large badly contaminated inland lakes.

Citation Download Citation

Wen Hu, Shizhi Yang, Wuquan Zhai, Kun Zhou, and Yong Huang "Monitoring experiment and analysis of blue-green algae waterbloom in Chaohu Lake by NOAA satellite", Proc. SPIE 4892, Ocean Remote Sensing and Applications, (8 May 2003); https://doi.org/10.1117/12.467369

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KEYWORDS

Satellites

Reflection

Reflectivity

Vegetation

Meteorological satellites

Remote sensing

Near infrared

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