Research on tidal flat evolution based on remote sensing and GIS methods around the Wendu Bay, Fujian

doi:10.3969/j.issn.1001-909X.2015.03.006

Abstract

Abstract: Research on tidal flat evolution at strong-tide bay is important for marine exploitation, environmental protection and disaster prevention. By using remote sensing and GIS technology, tide flat evolution in a strong tide bay-Wendu Bay in north Fujian Province was studied. The conclusions are showed as follows: Since 1991, tidal flat at the bayhead of Wendu Bay is in a silting state, and the deposition rate is increasing especially after 2005. The main reason of tidal flat siltation may be the bay mouth narrowing by bay reclamation, which results in flow velocity increasing and seabed scouring, so the scouring sediment at bay mouth can be transported to the bayhead and finally accumulates on the tidal flat at bayhead.

Key words: Wendu Bay, tidal flat evolution, remote sensing, GIS, strong tide bay

CLC Number:

P737.1

HAN Zhi-yuan, LI Meng-guo. Research on tidal flat evolution based on remote sensing and GIS methods around the Wendu Bay, Fujian[J]. Journal of Marine Sciences, 2015, 33(3): 42-47.

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