Suspended sediment transport mapped by satellite remote sensing

P. Shanmugam; Y. H. Ahn; H. R. Yoo; B. C. Suk; J. H. Ryu

doi:10.1117/12.804770

19 December 2008 Suspended sediment transport mapped by satellite remote sensing

P. Shanmugam, Y. H. Ahn, H. R. Yoo, B. C. Suk, J. H. Ryu

Proceedings Volume 7150, Remote Sensing of Inland, Coastal, and Oceanic Waters; 71501G (2008) https://doi.org/10.1117/12.804770
Event: SPIE Asia-Pacific Remote Sensing, 2008, Noumea, New Caledonia

Abstract

The spatial and temporal distributional patterns of suspended sediments (SS) in the East China Sea (ECS) and Yellow Sea (YS) were investigated by using satellite ocean color data from SeaWiFS and by using in-situ data. Except for the Southeastern YS, the overall distribution patterns of SS revealed a general, cross-shelf decreasing trend along the sediment dispersal system away from the rivers, closely consistent with the previous classification of SS - Infant stage, Younger stage, Mature stage and Old stage. We hypothesize that the mature stage plays an important role in transporting enormous amount of fine-grained sediments to the down streamside of China. Such transport of SS during this stage is much higher than those during other stages and most of these sediments are supplied from the resuspended mudsediments of the ECS, with origins mainly in Yangtze River. This study suggests that the resuspension and outflow of the sediment plume is primarily caused by intensive mixing and existence of the coastal and offshore circulation features during the mature stage of the SS evolution.

Citation Download Citation

P. Shanmugam, Y. H. Ahn, H. R. Yoo, B. C. Suk, and J. H. Ryu "Suspended sediment transport mapped by satellite remote sensing", Proc. SPIE 7150, Remote Sensing of Inland, Coastal, and Oceanic Waters, 71501G (19 December 2008); https://doi.org/10.1117/12.804770

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KEYWORDS

Satellites

Backscatter

Signal attenuation

Particles

Remote sensing

Earth observing sensors

Mouth

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