方盛明. 地震重力测量中重力相对变化的分析[J]. 华北地震科学, 1986, 4(4): 60-71.
引用本文: 方盛明. 地震重力测量中重力相对变化的分析[J]. 华北地震科学, 1986, 4(4): 60-71.
Fang Shengming. ANALYSIS OF THE RELATIVE VARIATION OF GRAVITY DATA IN THE GRAVITY SURVEY FOR EARTHQUAKE PREDICTION[J]. North China Earthquake Sciences, 1986, 4(4): 60-71.
Citation: Fang Shengming. ANALYSIS OF THE RELATIVE VARIATION OF GRAVITY DATA IN THE GRAVITY SURVEY FOR EARTHQUAKE PREDICTION[J]. North China Earthquake Sciences, 1986, 4(4): 60-71.

地震重力测量中重力相对变化的分析

ANALYSIS OF THE RELATIVE VARIATION OF GRAVITY DATA IN THE GRAVITY SURVEY FOR EARTHQUAKE PREDICTION

  • 摘要: 本文系统地讨论了地震重力测量中地球重力场相对变化(△g 变化)的若干因素,并定量地作了计算。计算表明:在消除了仪器格值、气温等因素影响后,重力相对变化主要是深部物质运动的结果,其次是岩石圈中地下水水位变化引起的,地下水变化作用的量级小于50微加。并就唐山震例作了计算分析。

     

    Abstract: In this paper a systematical discussion and some necessary calcullations have been made for several factors influencing the relative variation of gravity field. The results have shown. that after eliminating the influences of the calibration of instrument value and temperature, the relative variation of gravety ismainly due to deep mass movement, and the second reason may, be the veriatation of underground water level of the order of less than 50 u al.As an example the data of the Tangshan earthquake are calculated and analysed.

     

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