利用超导重力观测资料检测地球自由振荡
摘要
利用2001年6月武汉基准台超导重力仪对秘鲁7.9 Ms地震的观测资料进行了分段多项式重力潮汐拟合、气压改正和超导重力观测噪声谱分析,检测到0S0～S32的全部基频振型,并观测到0S2和0S3的谱线分裂,结果与HB1模型符合得很好.
引文
1 傅承义,陈运泰,祁贵仲.地球物理学基础.北京:科学出版社,1985.347～368
2 Garland G D. Introduction to Geophysics (Mantle, Core and Crust). 2nd ed. Toronto: W B Saunders Compeny, 1979. 123-133
3 Benioff H, Press F, Smith S. Excitation of the free oscillations of the earth by earthquakes. J Geophys Res, 1961, 66(2): 605-619
4 Ness N R, Harrison C T, Slichter L B. Observation of the free oscillation of the earth. J Geophys Res, 1961, 66(2): 621-629
5 Crossley D J, Hinderer J. Global Geodynamics Project-GGP:Status Report 1994. In: Poitevin C, ed. Proceeding of the Workshop on Non-tidal Gravity Changes. Luxembourg: via Conseil de L'Europe Cahiers du Centre Europeen de Geodynamique et de Seismologie, 1995(11): 244-269
6 Van Camp M. Measuring seismic normal modes with the GWR C021 Superconducting gravimeter. Phys Earth and Plan Int, 1999(116): 81-92
7 Haddon RAW, Bullen K E. An earth model incorporating free earth oscillation data. Phys Earth and Plan Int, 1969(2): 35-42
8 方俊.固体潮.北京:科学出版社,1984～80
9郗庆文.固体潮汐理论值计算.地球物理学报,1982,25（增刊）:632～643
10 Tamura Y. A harmonic development of the tide-generating potential. Bull Infor Marees Terrestres, 1987, 101: 6813-6824
11 许厚泽.天体测量中的潮汐改正.天文进展,1982,2（2）:9～20
12 孙和平,许厚泽,Ducarme B,等.中法比三国超导重力仪潮汐观测资料综合对比分析与研究.科学通报,1998,43:22～27
13 南京大学数学系计算数学专业.数值逼近方法（计算数学讲义一）.北京:科学出版社,1978. 83～121
14 丁月蓉.天文数据处理方法.南京:南京大学出版社,1997.190～202
15 徐建桥,郝兴华,孙和平.武汉基准台气压对重力潮汐观测的影响.测绘学报,1999,28（1）:21～27
16 Zurn W, Widmer R. On noise reduction in vertical seismic records below 2 mHz using local barometric pressure. Geophys Res Let, 1995(22): 3537-3540
17 Niebauer T M. Correcting gravity measurements for the effects of local air pressure. J Geophys Res, 1988, 93(B7): 7989-7991
18 Farrell W E. Deformation of the earth by the surface loads. Rev Geophys Space Phys, 1972(10): 761-797
19 Merriam J B. Atmospheric pressure and gravity. Geophys J Ints, 1992(109): 488-500
20 孙和平.大气重力格林函数.科学通报,1997,42（5）:1640～1646
21 Banka D, Jentzsch G, Crossley D. Investigations of superconducting gravimeter records in the frequency range of the freeoscillations of the earth-the noise magnitude. In: Durcarme B,Paquet P, eds. Proc 13th Symp Earth Tides, Brussels, 1998. 641-648
2 Garland G D. Introduction to Geophysics (Mantle, Core and Crust). 2nd ed. Toronto: W B Saunders Compeny, 1979. 123-133
3 Benioff H, Press F, Smith S. Excitation of the free oscillations of the earth by earthquakes. J Geophys Res, 1961, 66(2): 605-619
4 Ness N R, Harrison C T, Slichter L B. Observation of the free oscillation of the earth. J Geophys Res, 1961, 66(2): 621-629
5 Crossley D J, Hinderer J. Global Geodynamics Project-GGP:Status Report 1994. In: Poitevin C, ed. Proceeding of the Workshop on Non-tidal Gravity Changes. Luxembourg: via Conseil de L'Europe Cahiers du Centre Europeen de Geodynamique et de Seismologie, 1995(11): 244-269
6 Van Camp M. Measuring seismic normal modes with the GWR C021 Superconducting gravimeter. Phys Earth and Plan Int, 1999(116): 81-92
7 Haddon RAW, Bullen K E. An earth model incorporating free earth oscillation data. Phys Earth and Plan Int, 1969(2): 35-42
8 方俊.固体潮.北京:科学出版社,1984～80
9郗庆文.固体潮汐理论值计算.地球物理学报,1982,25（增刊）:632～643
10 Tamura Y. A harmonic development of the tide-generating potential. Bull Infor Marees Terrestres, 1987, 101: 6813-6824
11 许厚泽.天体测量中的潮汐改正.天文进展,1982,2（2）:9～20
12 孙和平,许厚泽,Ducarme B,等.中法比三国超导重力仪潮汐观测资料综合对比分析与研究.科学通报,1998,43:22～27
13 南京大学数学系计算数学专业.数值逼近方法（计算数学讲义一）.北京:科学出版社,1978. 83～121
14 丁月蓉.天文数据处理方法.南京:南京大学出版社,1997.190～202
15 徐建桥,郝兴华,孙和平.武汉基准台气压对重力潮汐观测的影响.测绘学报,1999,28（1）:21～27
16 Zurn W, Widmer R. On noise reduction in vertical seismic records below 2 mHz using local barometric pressure. Geophys Res Let, 1995(22): 3537-3540
17 Niebauer T M. Correcting gravity measurements for the effects of local air pressure. J Geophys Res, 1988, 93(B7): 7989-7991
18 Farrell W E. Deformation of the earth by the surface loads. Rev Geophys Space Phys, 1972(10): 761-797
19 Merriam J B. Atmospheric pressure and gravity. Geophys J Ints, 1992(109): 488-500
20 孙和平.大气重力格林函数.科学通报,1997,42（5）:1640～1646
21 Banka D, Jentzsch G, Crossley D. Investigations of superconducting gravimeter records in the frequency range of the freeoscillations of the earth-the noise magnitude. In: Durcarme B,Paquet P, eds. Proc 13th Symp Earth Tides, Brussels, 1998. 641-648
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