The Huangpu river basin is physically and socio-economically vulnerable to storm induced flooding. In the future, climate change and associated sea level rise are very likely to cause negative impacts on this area. Considering estuary sea level rise, tectonic subsidence and compaction of sediments, two projections of relative sea level rise were presented for 2030 (170 mm) and 2050 (390 mm). And then, extreme storm flood elevations were generated for 2030 (7.17 m) and 2050 (7.39 m) using a simplified algebraic summation of the relative sea-level rise, monitoring maximum storm surge and the maximum astronomical high tide level. A 1D/2D coupled flood inundation model (FloodMap) was used to simulate the two scenarios. The results indicated that all the riparian regions of both sides of Huangpu river would be inundated, and the inundation depths gradually reduced from upstream to downstream. Finally, future research needs, such as uncertainty analysis, floodwall breach inundation scenarios, and changes in intensity and frequency of storms, were suggested.
YIN Jie, YIN Zhan'e, YU Dapeng, XU Shiyuan
. Hazard analysis of extreme storm flooding in the context of sea level rise：A case study of Huangpu river basin[J]. GEOGRAPHICAL RESEARCH, 2013
, 32(12)
: 2215
-2221
.
DOI: 10.11821/dlyj201312016
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