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Volume 6, 2024 - Issue 1

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Multi-factor assessment study of topographic changes and wind risk in the shallows of North Jiangsu Province based on satellite remote sensing and hydrodynamic modeling

by Ziyu Wang 1  and  Siyuan Sun 2
1
Shanghai Ocean University
2
Shanghai University
*
Author to whom correspondence should be addressed.
JGSR  2024 6(1):90; https://doi.org/10.xxxx/xxxxxx
Received: 4 April 2024 / Accepted: 1 May 2024 / Published Online: 8 May 2024
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Abstract

The North Jiangsu Province (NJP) shoal is the largest shoal sea area along the East China Sea coast, and the study of its topographic change and its impact on storm surge wind risk is of great significance for the development of coastal zone resources, environmental protection, and disaster prevention. In this study, we analyzed the multifactorial assessment of topographic changes and wind risk in the shallow shoals of NJP using satellite remote sensing and hydrodynamic modeling, and calculated the Simpson's wind index for the shallow shoals of NJP using the Improved Waterline Method and other methods, taking the shallow shoals of NJP as the study area. The results show that the topography of the shallows in NJP exhibits obvious inter-annual, seasonal and inter-monthly variations, showing a tendency of gradual decrease from the near shore to the far shore in the longitudinal direction, and a tendency of gradual increase from the south to the north in the transverse direction, with the presence of some complex topographic features in localized areas. The Simpson's wind hazard index of the NJP shoal has obvious spatial and temporal differences and variations, in which the Simpson's wind hazard index in the southern and central parts of the NJP shoal is higher than that in the northern part of the NJP shoal, reflecting that the intensity of wind hazards and the degree of risk are higher in the southern and central parts of the NJP shoal than in the northern part of the North Jiangsu Shoal. Research shows that storm surge events are one of the main drivers of topographic change and wind risk, and that factors such as the intensity, frequency, duration, and path of the storm surge affect the magnitude and distribution of wind risk. This study can provide some scientific basis and reference opinions for the topographic changes and tidal flats storm risk management in the shallow flats of NJP.

Keywords: storm surge; wind risk; satellite remote sensing; hydrodynamic modeling; Simpson's Wind Hazard Index; North Jiangsu Province Shoal;
Copyright: © 2024 by Wang and Sun. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) (Creative Commons Attribution 4.0 International License). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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ACS Style
Wang, Z.; Sun, S. Multi-factor assessment study of topographic changes and wind risk in the shallows of North Jiangsu Province based on satellite remote sensing and hydrodynamic modeling. Journal of Globe Scientific Reports, 2024, 6, 90. doi:10.xxxx/xxxxxx
AMA Style
Wang Z, Sun S. Multi-factor assessment study of topographic changes and wind risk in the shallows of North Jiangsu Province based on satellite remote sensing and hydrodynamic modeling. Journal of Globe Scientific Reports; 2024, 6(1):90. doi:10.xxxx/xxxxxx
Chicago/Turabian Style
Wang, Ziyu; Sun, Siyuan 2024. "Multi-factor assessment study of topographic changes and wind risk in the shallows of North Jiangsu Province based on satellite remote sensing and hydrodynamic modeling" Journal of Globe Scientific Reports 6, no.1:90. doi:10.xxxx/xxxxxx

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