Estuarine sediment flux is one of the international frontal problems in the earth science, so studies on it have important scientific and practical implications.
河口泥沙通量是地球科学国际前沿课题，对它进行研究具有重大的科学和实际意义。
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Estuarine sediment flux is not only one of contents of Global Change Research, but also is a practical problem nearly related to estuarine engineering and estuarine environment.