IOCAS-IR  > 海洋环流与波动重点实验室
Analysis on the Extreme Sea Levels Changes along the Coastline of Bohai Sea, China
Feng, Jianlong1; Li, Delei2,3; Wang, Hui1; Liu, Qiulin1; Zhang, Jianli1; Li, Yan1; Liu, Kexiu1
2018-08-01
Source PublicationATMOSPHERE
ISSN2073-4433
Volume9Issue:8Pages:17
Corresponding AuthorFeng, Jianlong(fengjianlong@nmdis.org.cn)
AbstractUsing hourly sea level data from four tide gauges, the changes of the extreme sea level in the Bohai Sea were analyzed in this work. Three components (i.e., mean sea level, tide and surge) as well as the tide-surge interaction were studied to find which component was important in the changes of extreme sea levels. Significant increasing trends exist in the mean sea level at four tide gauges from 1980 to 2016, and the increase rate ranges from 0.2 to 0.5 cm/year. The mean high tide levels show positive trends at four tide gauges, and the increasing rate (0.1 to 0.3 cm/year) is not small compared with the long-term trends of the mean sea levels. However, the mean tidal ranges show negative trends at Longkou, Qinhuangdao and Tanggu, with the rate from about -0.7 to -0.2 cm/year. At Qinhuangdao and Tanggu, the annual surge intensity shows explicit long-term decreasing trend. At all four tide gauges, the storm surge intensity shows distinct inter-annual variability and decadal variability. All four tide gauges show significant tide-surge interaction, the characteristics of the tide-surge interaction differ due to their locations, and no clear long-term change was found. Convincing evidence implies that the extreme sea levels increase during the past decades from 1980 to 2016 at all tide gauges, with the increasing rate differing at different percentile levels. The extreme sea level changes in the Bohai Sea are highly affected by the changes of mean sea level and high tide level, especially the latter. The surge variation contributes to the changes of extreme sea level at locations where the tide-surge interaction is relatively weak.
Keywordextreme sea level Bohai mean sea level storm surge tide-surge interaction
DOI10.3390/atmos9080324
Indexed BySCI
Language英语
Funding ProjectNational Key Research Projects[2017YFC1404200] ; National Key Research Projects[2016YFC1401900] ; National Natural Science Foundation of China[41706020] ; National Natural Science Foundation of China[41406032] ; Open Fund if the Key Laboratory of Research on Marine Hazards Forecasting
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000443247300038
PublisherMDPI
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/160019
Collection海洋环流与波动重点实验室
Corresponding AuthorFeng, Jianlong
Affiliation1.Natl Marine Data & Informat Serv, Tianjin 300171, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266000, Peoples R China
3.Natl Lab Marine Sci & Technol, Funct Lab Ocean Dynam & Climate, Qingdao 266000, Peoples R China
Recommended Citation
GB/T 7714
Feng, Jianlong,Li, Delei,Wang, Hui,et al. Analysis on the Extreme Sea Levels Changes along the Coastline of Bohai Sea, China[J]. ATMOSPHERE,2018,9(8):17.
APA Feng, Jianlong.,Li, Delei.,Wang, Hui.,Liu, Qiulin.,Zhang, Jianli.,...&Liu, Kexiu.(2018).Analysis on the Extreme Sea Levels Changes along the Coastline of Bohai Sea, China.ATMOSPHERE,9(8),17.
MLA Feng, Jianlong,et al."Analysis on the Extreme Sea Levels Changes along the Coastline of Bohai Sea, China".ATMOSPHERE 9.8(2018):17.
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