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Tropical Cyclone-Induced Hazards Caused by Storm Surges and Large Waves on the Coast of China

1
Institute of Ports and Coastal Disaster Mitigation, Ludong University, Yantai 264025, China
2
School of Civil Engineering, University of Queensland, Brisbane, QLD 4072, Australia
Geosciences 2019, 9(3), 131; https://doi.org/10.3390/geosciences9030131
Received: 20 January 2019 / Revised: 11 March 2019 / Accepted: 13 March 2019 / Published: 18 March 2019
(This article belongs to the Special Issue Marine Geohazards: New Insights and Perspectives)
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Abstract

The mainland coast of China is about 18,000 km long and houses about 70% of China’s largest cities and 50% of its population. For the last few decades, the rapid growth of the Chinese economy has resulted in extensive development of the coastal infrastructure and property, large-scale expansion of coastal ports, excessive reclamation of coastal land, and a significant increase in the coastal population. Previous studies have indicated that tropical cyclones (TCs) have struck the coast of China at a higher frequency and intensity, and TC-induced coastal hazards have resulted in heavy human losses and huge losses to the Chinese coastal economy. In analyzing the long-term and most recent coastal hazard data collected on the coast of China, this study has found that TC-induced storm surges are responsible for 88% of the direct coastal economic losses, while TC-induced large coastal waves have caused heavy loss of human lives, and that the hazard-caused losses are shown to increase spatially from the north to south, peak in the southern coastal sector, and well correlate to storm wave energy flux. The frequency and intensity of coastal hazards on the coast of China are expected to increase in response to future changing TC conditions and rising sea levels. A simple two-parameter conceptual model is also presented for the assessment of coastal inundation and erosion hazards on the coast of China. View Full-Text
Keywords: storm surge; tropical cyclone; coastal erosion; inundation; coastal storm storm surge; tropical cyclone; coastal erosion; inundation; coastal storm
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You, Z.-J. Tropical Cyclone-Induced Hazards Caused by Storm Surges and Large Waves on the Coast of China. Geosciences 2019, 9, 131.

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