| Sea level change along the coast of China relative to the isostatic datum |
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| 作者姓名： | Huang Liren Yang Guohu An Zhensheng |
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| 作者单位： | Geodetic Brigade, State Seismological Bureau, Tianjin 300180, China;Geodetic Brigade, State Seismological Bureau, Tianjin 300180, China |
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| 基金项目： | Project supported by the National Science Fundation of China and Academia Sinica |
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| 摘 要： | On the basis of the analyses of significant periods for the sea level observation data taken from recent several decades at 12 tide stations, the monthly mean sea level observations are fitted by a model of linear trend of sea level change superimposed with several variations of different fixed periods. The trends of sea level relative changes and their errors are estimated by the LS method. The results are reduced to the isostatic datum proposed and established in the paper (Huang et al. , 1991, Seismology and Geology , 1, 1-15). The trends of sea level changes in the near future along the coast of China are studied. It is pointed out that the general trend of the sea level change along the coast of China is going up slowly and the rate of the change is not the same in different segments of the coasts. In a few segments, the sea level is even relatively going down. The numerical results given in this paper provide a basis for the predictions of the future sea level changes and their effects.
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| 收稿时间： | 1991/1/20 0:00:00 |
| 修稿时间： | 1991/3/20 0:00:00 |
Sea level change along the coast of China relative to the isostatic datum |
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| Huang Liren,Yang Guohu,An Zhensheng.Sea level change along the coast of China relative to the isostatic datum[J].Acta Oceanologica Sinica,1991,10(4):503-509. |
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| Authors: | Huang Liren Yang Guohua and An Zhensheng |
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| Institution: | 1.Geodetic Brigade, State Seismological Bureau, Tianjin 300180, China2.Institute of Marine Scientific and Technological Information, State Oceanic Administration, Tianjin 300171, China |
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| Abstract: | On the basis of the analyses of significant periods for the sea level observation data taken from recent several decades at 12 tide stations, the monthly mean sea level observations are fitted by a model of linear trend of sea level change superimposed with several variations of different fixed periods. The trends of sea level relative changes and their errors are estimated by the LS method. The results are reduced to the isostatic datum proposed and established in the paper (Huang et al., 1991, Seismology and Geology, 1, 1-15). The trends of sea level changes in the near future along the coast of China are studied. It is pointed out that the general trend of the sea level change along the coast of China is going up slowly and the rate of the change is not the same in different segments of the coasts. In a few segments, the sea level is even relatively going down. The numerical results given in this paper provide a basis for the predictions of the future sea level changes and their effects. |
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