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Volume 37 Issue 5
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Article Navigation >  Haiyang Xuebao  > 2015  >  37(5): 76-86
Yu Jitao, Ding Yuanting, Cheng Huangxin, Chen Zishen. Study on beach morphodynamic processes of Houjiang Wan in east Guangdong under the influence of the typhoon (No. 0709)[J]. Haiyang Xuebao, 2015, 37(5): 76-86. doi: 10.3969/j.issn.0253-4193.2015.05.008
Citation: Yu Jitao, Ding Yuanting, Cheng Huangxin, Chen Zishen. Study on beach morphodynamic processes of Houjiang Wan in east Guangdong under the influence of the typhoon (No. 0709)[J]. Haiyang Xuebao, 2015, 37(5): 76-86. doi: 10.3969/j.issn.0253-4193.2015.05.008
shu

Study on beach morphodynamic processes of Houjiang Wan in east Guangdong under the influence of the typhoon (No. 0709)

doi: 10.3969/j.issn.0253-4193.2015.05.008
  • 1.

    School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China;School of Environmental Studies, China University of Geoscience (Wuhan), Wuhan 430074, China

  • 2.

    School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China

  • 3.

    Arts and Media School, China University of Geosciences (Wuhan), Wuhan 430074, China

  • 4.

    Geography and Planning School, Sun Yat-sen University, Guangzhou 510275, China

  • Received Date: 2014-03-19
  • Rev Recd Date: 2014-09-05
    Abstract
  • Based on the foreshore topography,water dynamics and wind data on Houjiangwan beach in East Guangdong,this paper used the method of canonical correlation analysis to identify different morphodynamic foreshore processes under the influence of the typhoon "Sepat" (No. 0709),and revealed some primary dynamic factors controlling these foreshore processes and attempted to present the physical interpretations. The analytical results included that (1) the primary foreshore process consisted of the eroded subaerial zone with the destroyed berm,the slightly depositional submarine slope zone and the bar zone with sediment movement offshore,and the process was controlled by several factors such as the eastern component of the wind speed,the maximum wave heights and the surf scaling parameter; (2) the secondary terrain process was the formation of submarine bar due to the sediment being transported from the foreshore to offshore,and the process was dominated by two dynamic factors such as the maximum wave periods and the beach underground water levels; and (3) the foreshore morphology was also characterized by the accumulation of the upper zone and the erosion of the lower zone of the foreshore,and the process was controlled by the following factors,i.e.,the longshore currents,the beach underground water levels and the maximum wave heights. Finally,this study proposed that the morphodynamic processes of the foreshore are coupled by many different morphological and dynamic processes.
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