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DOI: 10.1016/j.gloplacha.2014.08.012
论文题名:
Spatial variations of sea level along the coast of Thailand: Impacts of extreme land subsidence, earthquakes and the seasonal monsoon
作者: Saramul S.; Ezer T.
ISSN: 0921-8515
出版年: 2014
卷: 122
起始页码: 70
结束页码: 81
语种: 英语
英文关键词: Andaman Sea ; Gulf of Thailand ; Sea level rise ; Seasonal sea level cycle ; Sumatra Earthquake
Scopus关键词: Atmospheric thermodynamics ; Coastal zones ; Earthquakes ; Groundwater ; Andaman Sea ; Gulf of Thailand ; Sea level rise ; Sea-level cycles ; Sumatra earthquakes ; Sea level ; earthquake epicenter ; linearity ; sea level change ; seasonal variation ; spatial variation ; subsidence ; tsunami ; wind-driven circulation ; latitude ; monsoon ; Andaman Sea ; Indian Ocean ; Thailand ; Greater Sunda Islands ; Gulf of Thailand ; Pacific Ocean ; South China Sea ; Sumatra ; Sunda Isles
英文摘要: The study addresses two important issues associated with sea level along the coasts of Thailand: first, the fast sea level rise and its spatial variation, and second, the monsoonal-driven seasonal variations in sea level. Tide gauge data that are more extensive than in past studies were obtained from several different local and global sources, and relative sea level rise (RSLR) rates were obtained from two different methods, linear regressions and non-linear Empirical Mode Decomposition/Hilbert-Huang Transform (EMD/HHT) analysis. The results show extremely large spatial variations in RSLR, with rates varying from ~1mmy-1 to ~20mmy-1; the maximum RSLR is found in the upper Gulf of Thailand (GOT) near Bangkok, where local land subsidence due to groundwater extraction dominates the trend. Furthermore, there are indications that RSLR rates increased significantly in all locations after the 2004 Sumatra-Andaman Earthquake and the Indian Ocean tsunami that followed, so that recent RSLR rates seem to have less spatial differences than in the past, but with high rates of ~20-30mmy-1 almost everywhere. The seasonal sea level cycle was found to be very different between stations in the GOT, which have minimum sea level in June-July, and stations in the Andaman Sea, which have minimum sea level in February. The seasonal sea-level variations in the GOT are driven mostly by large-scale wind-driven set-up/set-down processes associated with the seasonal monsoon and have amplitudes about ten times larger than either typical steric changes at those latitudes or astronomical annual tides. © 2014 Elsevier B.V.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84906728583&doi=10.1016%2fj.gloplacha.2014.08.012&partnerID=40&md5=0d7af919af3cd28b64182fa6edf4d422
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11421
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作者单位: Department of Marine Science, Faculty of Science, Chulalongkorn University, Phyathai Road, Pathumwan, Bangkok 10330, Thailand

Recommended Citation:
Saramul S.,Ezer T.. Spatial variations of sea level along the coast of Thailand: Impacts of extreme land subsidence, earthquakes and the seasonal monsoon[J],2014-01-01,122.
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