Abstract We investigated the impact of the Ningbo North Dyke (NND) built in 2012–2014 in the coastal waterway of East China Sea on local suspended sediment concentration (SSC). Several multi-spectral satellite images acquired by the Landsat Thematic Mapper (TM)/Operational Land Imager (OLI) in 2008–2017 were used. We analyzed the change of SSC and spectral curves of study area around small NND (the NND’s total length less than 1 km) using a prior model proposed in our previous study. We found that SSC near NND in the Meishan Waterway decreased after the NND construction by 200–300 mg/l, so that clean blue water is now observed in the Meishan Waterway, apparently thanks to stable dynamic environment in presence of NND. Our results reveal the impact of a small coastal dyke with length less than 1 km on the movement and distribution of SSC from a remote-sensing perspective.
Satellite observations of suspended sediment near Ningbo North Dyke, China
Advances in Space Research ; 64 , 7 ; 1415-1422
2019-07-10
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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