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Proceedings Paper

Study on long-term characteristics of suspended sediments in Minjiang Estuary based on MODIS data
Author(s): Xiaohui Xu; Jian Chen; Delu Pan; Zhihua Mao; Xiaoyan Chen
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Paper Abstract

Concentration of suspended sediment directly affects the optical properties such as transparency and water color, and aquatic environment as well. The paper selects the Minjiang Estuary, southeast coast of China as study area, and has established inversion mode of suspended sediment by coupling field data with water-leaving radiation from MODIS data in Minjiang Estuary. Monthly-averaged concentrations and seasonal changes of suspended sediment from 2002 to 2009 were calculated and analyzed by the mode. The main results are as follows: (1) Normalized water-leaving radiance ratio(nLw667/nLw488) from MODIS data has high relativity with the field observed turbidity by regression equation of Y = 0.618X2 -5.720X + 18.94, in which Y is turbidity, X is nLW667/nLW488 and R2 is 0.716. (2)Suspended sediment in the Minjiang Estuary has obviously spatial and temporal distribution characteristics, that higher concentration of suspended sediment is in coastal water and decreases from shore to sea, and highest concentration happens in winter.

Paper Details

Date Published: 13 October 2011
PDF: 8 pages
Proc. SPIE 8175, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2011, 81751B (13 October 2011); doi: 10.1117/12.897869
Show Author Affiliations
Xiaohui Xu, The Third Institute of Oceanography, SOA (China)
The Second Institute Oceanography, SOA (China)
South China Sea Institute of Oceanology (China)
Jian Chen, The Third Institute of Oceanography, SOA (China)
Delu Pan, The Second Institute of Oceanography, SOA (China)
Zhihua Mao, The Second Institute of Oceanography, SOA (China)
Xiaoyan Chen, The Second Institute of Oceanography, SOA (China)


Published in SPIE Proceedings Vol. 8175:
Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2011
Charles R. Bostater; Stelios P. Mertikas; Xavier Neyt; Miguel Velez-Reyes, Editor(s)

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