ABSTRACT

Yue, B.; Liu, S.; Yan, Z.; Liao, J., and Gao, M., 2021. Geomorphological difference and genesis of typical sandy coasts in the northern and southern Shandong Peninsula. Journal of Coastal Research, 37(2), 380–388. Coconut Creek (Florida), ISSN 0749-0208.

Two landform monitoring sections of sandy coasts in the southern and northern Shandong Peninsula are chosen as the research objects. Empirical orthogonal functions were used to extract the spatial characteristics function and time characteristics function of the first four modes from the monitoring data in summer and winter from December 2012 to December 2015. Characteristics of spatial changing and beach flat variation of the two sandy coasts were analyzed. Differences in geomorphic features and sedimentary characteristics between the southern and northern coasts have been compared. The difference and impact factors of the dynamic environment in the northern and southern Shandong Peninsula were discussed in this paper. The results show that the first characteristic function is the main model of showing beach section change. On the southern coast, the beach section presents a gradually enhancing trend characteristic from a beach berm to a broken belt. The northern coast shows the main fluctuation characteristic from the high tidal zone to an upper limit of the upper bound, which is related to waves and tides. Moreover, the second and third characteristic functions are controlled by seasonal periodic changes in stormy waves. The fourth characteristic function is speculated to be related to accidental factors.

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