| 4 | The Recent Crustal Deformation on the Sichuan-Yunnan Rhombic Block Boundaries显示文摘Based on data from an across-fault survey along the Sichuan-Yunnan rhombic block boundaries, the recent deformation characteristics on each fault have been analyzed. It was found that the rate of crustal deformation is slowing down along the northern segment and increasing along the southern segment. Each fault has different features of deformation. The horizontal deformation is mainly characterized by left-lateral strike-slip. The rate of vertical deformation is less than that of the horizontal deformation. The faults have the feature of upper wall uplifting alternated with descending. The anomaly changes of crustal deformation at some sites are closely related to the seismicities near the sites. | Lü Yipei 1), Liao Hua 2), Su Qin 2) and Wang Lan 2) 1)Seismological Bureau of Sichuan Province, Chengdu 610041, China 2)Geodetic Brigade of Seismological Bureau of Sichuan Province, Ya’an 625000, China | 2002 | Earthquake Research in China2002，16，4： | 0 |
| 5 | Sea level change along the coast of China relative to the isostatic datum显示文摘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. | Huang Liren, Yang Guohua An Zhensheng Geodetic Brigade, State Seismological Bureau, Tianjin 300180, ChinaInstitute of Marine Scientific and Technological Information, State Oceanic Administration, Tianjin 300171, China Xie Zhiren, A brief discussion on the trend of sea level change and prediction, 1989. | 1991 | Acta Oceanologica Sinica1991，10，4： | 0 |
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