期刊
JOURNAL OF COASTAL CONSERVATION
卷 16, 期 1, 页码 123-133出版社
SPRINGER
DOI: 10.1007/s11852-012-0180-9
关键词
Sea-level rise; Climate change; Coastal vulnerability index; Chinese coast
资金
- National-Natural Science Foundation in China [41071324, 40730526, 40901010]
- Science and Technology Commission of Shanghai Municipality [08240514000]
- Shanghai Youth Science and Technology Venus Program [09QA1401800]
- Shanghai Municipal Education Commission [J50402]
- Shanghai Normal University [SK200727]
- Fundamental Research Funds for the Central Universities
Sea-level rise as a result of climate change increases inundation and erosion, which are affected by a complex interplay of physical environmental parameters at the coast. China's coast is vulnerable to accelerated sea-level rise and associated coastal flooding because of physical and socio-economical factors such as its low topography, highly developed economy, and highly dense population. To identify vulnerable sections of the coast, this paper presents a national assessment of the vulnerability of the Chinese coast using 8 physical variables: sea-level rise, coastal geomorphology, elevation, slope, shoreline erosion, land use, mean tide range, and mean wave height. A coastal vulnerability index was calculated by integrating the differentially weighted rank values of the 8 variables, based on which the coastline is segmented into 4 classes. The results show that 3% of the 18,000-km-long Chinese coast is very highly vulnerable, 29% is highly vulnerable, 58% is moderately vulnerable, and 10% is in the low-vulnerable class. Findings further reveal that large amounts of land and population will be vulnerable to inundation by coastal flooding from sea level rise and storm surge. Finally, some suggestions are presented for decision makers and other concerned stakeholders to develop appropriate coastal zone management and mitigation measures.
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