中国大陆及邻区GRACE卫星重力变化研究
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摘要
探讨如何运用GRACE数据进行重力变化的计算和分析。对GRACE重力场位系数的最大阶次选取进行了分析,并利用月卫星重力场模型计算了中国大陆及邻区的重力变化,通过平均半径为800km的高斯平滑,得出了合理的重力变化结果。
It is introduced how to use GRACE data to compute the gravity changes. The maximum truncated degree of the monthly GRACE gravity field models for seismological research is discussed as well. We try to use the GRACE level 2 products to calculate the gravity changes in Chinaese mainland and its vicinity with Gaussian smoothing method and get reasonable results.
It is introduced how to use GRACE data to compute the gravity changes. The maximum truncated degree of the monthly GRACE gravity field models for seismological research is discussed as well. We try to use the GRACE level 2 products to calculate the gravity changes in Chinaese mainland and its vicinity with Gaussian smoothing method and get reasonable results.
引文
1张国民,等.地震预报引论[M].北京:科学出版社,2001.1Zhang Guoming,et al.Primer on earthquake prediction[M].Beijing:Science Press,2001.(in Chinese)
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3李清林,秦建增.大同5.6级地震前后的重力场变化和深部动力学过程[J].地壳形变与地震,2001,21(4):43-51.3Li Qinglin and Qin Jianzeng.Gravity variations before and af-ter Datong earthquakeM5.6and its dynamic process[J].Crustal Deformation and Earthquake,2001,21(4):43-51.(in Chinese)
4项爱民,孙少安,李辉.流动重力运行状态及质量评价[J].大地测量与地球动力学,2007,27(6):109-114.4Xiang Aimin,Sun Shaoan and Li Hui.Running state and quality evaluation of repeated gravimetry[J].Journal of Ge-odesy and Geodynamics,2007,27(6):109-114.(in Chi-nese)
5宁津生.卫星重力探测技术与地球重力场研究[J].大地测量与地球动力学,2002,22(1):1-5.5Ning Jinsheng.The satellite gravity surveying technology and research of earth’s gravity field[J].Journal of Geodesy and Geodynamics,2002,22(1):1-5.(in Chinese)
6孙文科.低轨道人造卫星(CHAMP、GRACE、GOCE)与高精度地球重力场[J].大地测量与地球动力学,2002,22(1):92-100.6Sun Wenke.Satellite in low orbit(CHAMP,GRACE,GOCE)and high precision earth gravity field[J].Journal of Geodesy and Geodynamics,2002,22(1):92-100.(in Chinese)
7Shin-Chan Han and Shum C K.Crustal dilatation observed by GRACE after the2004Sumatra-Andaman earthquake[J].Sicence,2006,313:658-662.
8http://www.csr.utexas.edu/grace/[OL].ReleaseNotes_csr_RL01.txt.
9罗志才.利用卫星重力梯度数据确定地球重力场的理论和方法[D].武汉测绘科技大学,1996,88-91.9Luo Zhicai.The theory and methodology for determining the Earth’s gravity field using satellite gravity gradiometry data[D].Wuhan Technical University of Surveying and Map-ping,1996,88-91.(in Chinese)
10王丹,等.地面重力时空变化向卫星高度的解析延拓[J].大地测量与地球动力学,2005,25(2):69-74.10Wang Dan,et al.Upward continuation of ground gravity space-time change to satellite height[J].Journal of Geode-sy and Geodynamic,2005,25(2):69-74.(in Chinese)
11郭俊义.物理大地测量学基础[M].武汉:武汉测绘科技大学出版社,1994.11Guo Junyi.Basis of physical geodesy[M].Wuhan:Wuhan University of Surveying and Mapping Press,1994.(in Chi-nese)
12邹正波,等.GRACE月重力场模型的地震应用[J].大地测量与地球动力学,2007,27(增):39-41.12Zou Zhengbo,et al.Seismological application of monthly gravity field modles of GRACE[J].Journal of Geodesy and Geodynamics,2007,27(Supp.):39-41.(in Chi-nese)
13Jekeli C.Alternative methods to smooth the Earth’s gravity field,Technical report#327[R].Geodetic Science,Ohio State University,Ohio,1981.
14Chen J L and Wilson C R.Spatial sensitivity of GRACE time-variable gravity observations[J].J.Geophys.Res.,2005,110,B08408,doi:10.1029/2004JB003536.
15Rummel R and Sansoetal F.Spherical harmonic analysis of satellite gradiometry,netherlands geodetic commission[M].New Series,1993,No.39.
16Swenson S and Wahr J.Methods for inferring regional sur-face mass anomalies from GRACE measurements of time-variable gravity[J].J.Geophys.Res.,2002,107(B9),2193,doi:10.1029/2001JB000576.
17Tapley B D,et al.The gravity recovery and climate experi-ment:mission overview and early results[J].Geophys.Res.Lett.,2004,31,L09607,doi:10.1029/2004GL019920.
18Wahr J M,et al.Time variability of the Earth’s gravity field:Hydrological and oceanic effects and their possible detection using GRACE[J].J.Geophys.Res.,1998,103,30(B12):30205-30229.
19焦青,范国胜,戴梁焕.印尼8.7级地震对川滇地区地震活动的影响[J].大地测量与地球动力学,2005,25(3):100-104.19Jiao Qing,Fan Guosheng and Dai Lianghuan.Effect of Indo-nesianM8.7earthquake on seismic activity in Sichuan-Yunnan region[J].Journal of Geodesy and Geodynamics,2005,25(3):100-104.(in Chinese)
20杨国华,等.印尼地震对我国川滇地区地壳水平活动的影响[J].大地测量与地球动力学,2006,26(1):9-14.20Yang Guohua,et al.Effect of Indonesia earthquake on hori-zontal crustal movement in Sichuan-Yunnan region[J].Journal of Geodesy and Geodynamics,2006,26(1):9-14.(in Chinese)
21张国民,等.印尼苏门答腊8.7级大震对中国陆区的影响[J].地震,2005,25(4):15-25.21Zhang Guomin,et al.The effects of Sumatra earthquake with Magnitude8.7in China’s mainland[J].Earthqauke,2005,25(4):15-25.(in Chinese)
22赵根模,等.印度尼西亚苏门答腊8.9级大震对中国大陆地震活动影响估计[J].华南地震,2005,25(2):47-50.22Zhao Genmo,et al.An estimate of the influence on the con-tinental seismicity in China by SumatraMs8.9macroquake in Indonesia[J].South China Journal of Seismology,2005,25(2):47-50.(in Chinese)
23Wolfgang Torge.徐菊生,刘序俨,译.重力测量学[M].北京:地震出版社,1993.23Wolfgang Torge.Translated by Xu Jusheng and Liu Xuyan.Gravimetry[M].Beijing:Seismological Press,1993.
2贾民育,等.论唐山地震前重力变化的可靠性[J].地壳形变与地震,1985,5(3):249-257.2Jia Minyu,et al.On the reliability ofgravity changes before and after Tangshan earthquake[J].Crustal Deformation and Earthquake,1985,5(3):249-257.(in Chinese)
3李清林,秦建增.大同5.6级地震前后的重力场变化和深部动力学过程[J].地壳形变与地震,2001,21(4):43-51.3Li Qinglin and Qin Jianzeng.Gravity variations before and af-ter Datong earthquakeM5.6and its dynamic process[J].Crustal Deformation and Earthquake,2001,21(4):43-51.(in Chinese)
4项爱民,孙少安,李辉.流动重力运行状态及质量评价[J].大地测量与地球动力学,2007,27(6):109-114.4Xiang Aimin,Sun Shaoan and Li Hui.Running state and quality evaluation of repeated gravimetry[J].Journal of Ge-odesy and Geodynamics,2007,27(6):109-114.(in Chi-nese)
5宁津生.卫星重力探测技术与地球重力场研究[J].大地测量与地球动力学,2002,22(1):1-5.5Ning Jinsheng.The satellite gravity surveying technology and research of earth’s gravity field[J].Journal of Geodesy and Geodynamics,2002,22(1):1-5.(in Chinese)
6孙文科.低轨道人造卫星(CHAMP、GRACE、GOCE)与高精度地球重力场[J].大地测量与地球动力学,2002,22(1):92-100.6Sun Wenke.Satellite in low orbit(CHAMP,GRACE,GOCE)and high precision earth gravity field[J].Journal of Geodesy and Geodynamics,2002,22(1):92-100.(in Chinese)
7Shin-Chan Han and Shum C K.Crustal dilatation observed by GRACE after the2004Sumatra-Andaman earthquake[J].Sicence,2006,313:658-662.
8http://www.csr.utexas.edu/grace/[OL].ReleaseNotes_csr_RL01.txt.
9罗志才.利用卫星重力梯度数据确定地球重力场的理论和方法[D].武汉测绘科技大学,1996,88-91.9Luo Zhicai.The theory and methodology for determining the Earth’s gravity field using satellite gravity gradiometry data[D].Wuhan Technical University of Surveying and Map-ping,1996,88-91.(in Chinese)
10王丹,等.地面重力时空变化向卫星高度的解析延拓[J].大地测量与地球动力学,2005,25(2):69-74.10Wang Dan,et al.Upward continuation of ground gravity space-time change to satellite height[J].Journal of Geode-sy and Geodynamic,2005,25(2):69-74.(in Chinese)
11郭俊义.物理大地测量学基础[M].武汉:武汉测绘科技大学出版社,1994.11Guo Junyi.Basis of physical geodesy[M].Wuhan:Wuhan University of Surveying and Mapping Press,1994.(in Chi-nese)
12邹正波,等.GRACE月重力场模型的地震应用[J].大地测量与地球动力学,2007,27(增):39-41.12Zou Zhengbo,et al.Seismological application of monthly gravity field modles of GRACE[J].Journal of Geodesy and Geodynamics,2007,27(Supp.):39-41.(in Chi-nese)
13Jekeli C.Alternative methods to smooth the Earth’s gravity field,Technical report#327[R].Geodetic Science,Ohio State University,Ohio,1981.
14Chen J L and Wilson C R.Spatial sensitivity of GRACE time-variable gravity observations[J].J.Geophys.Res.,2005,110,B08408,doi:10.1029/2004JB003536.
15Rummel R and Sansoetal F.Spherical harmonic analysis of satellite gradiometry,netherlands geodetic commission[M].New Series,1993,No.39.
16Swenson S and Wahr J.Methods for inferring regional sur-face mass anomalies from GRACE measurements of time-variable gravity[J].J.Geophys.Res.,2002,107(B9),2193,doi:10.1029/2001JB000576.
17Tapley B D,et al.The gravity recovery and climate experi-ment:mission overview and early results[J].Geophys.Res.Lett.,2004,31,L09607,doi:10.1029/2004GL019920.
18Wahr J M,et al.Time variability of the Earth’s gravity field:Hydrological and oceanic effects and their possible detection using GRACE[J].J.Geophys.Res.,1998,103,30(B12):30205-30229.
19焦青,范国胜,戴梁焕.印尼8.7级地震对川滇地区地震活动的影响[J].大地测量与地球动力学,2005,25(3):100-104.19Jiao Qing,Fan Guosheng and Dai Lianghuan.Effect of Indo-nesianM8.7earthquake on seismic activity in Sichuan-Yunnan region[J].Journal of Geodesy and Geodynamics,2005,25(3):100-104.(in Chinese)
20杨国华,等.印尼地震对我国川滇地区地壳水平活动的影响[J].大地测量与地球动力学,2006,26(1):9-14.20Yang Guohua,et al.Effect of Indonesia earthquake on hori-zontal crustal movement in Sichuan-Yunnan region[J].Journal of Geodesy and Geodynamics,2006,26(1):9-14.(in Chinese)
21张国民,等.印尼苏门答腊8.7级大震对中国陆区的影响[J].地震,2005,25(4):15-25.21Zhang Guomin,et al.The effects of Sumatra earthquake with Magnitude8.7in China’s mainland[J].Earthqauke,2005,25(4):15-25.(in Chinese)
22赵根模,等.印度尼西亚苏门答腊8.9级大震对中国大陆地震活动影响估计[J].华南地震,2005,25(2):47-50.22Zhao Genmo,et al.An estimate of the influence on the con-tinental seismicity in China by SumatraMs8.9macroquake in Indonesia[J].South China Journal of Seismology,2005,25(2):47-50.(in Chinese)
23Wolfgang Torge.徐菊生,刘序俨,译.重力测量学[M].北京:地震出版社,1993.23Wolfgang Torge.Translated by Xu Jusheng and Liu Xuyan.Gravimetry[M].Beijing:Seismological Press,1993.
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