Application of interpolation cut method to gravity data processing in South China Sea

WAN Rongsheng; ZHANG Huodai; CHEN Jie

doi:10.16562/j.cnki.0256-1492.2017101101

Marine Geology & Quaternary Geology > 2019 > 39(1): 175-183. > DOI: 10.16562/j.cnki.0256-1492.2017101101

WAN Rongsheng, ZHANG Huodai, CHEN Jie. Application of interpolation cut method to gravity data processing in South China Sea[J]. Marine Geology & Quaternary Geology, 2019, 39(1): 175-183. DOI: 10.16562/j.cnki.0256-1492.2017101101

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Application of interpolation cut method to gravity data processing in South China Sea

Key Laboratory of Marine Mineral Resources, Guangzhou Marine Geological Survey, Ministry of Natural Resources, Guangzhou 510075, China

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Received Date: October 10, 2017
Revised Date: October 24, 2017

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Abstract

Gravity data processing is the foundation of gravity inversion and data interpretation. In gravity exploration, it is critical important to separate the local anomalies from the regional field. Compared to other algorithms, the interpolation cut method is an excellent one and the cutting radius is an important parameter to the method. In this paper, we computed the correlation through comparison of the local and regional anomalies as well as the comparison of the original gravity data and the terrain data. The best cutting radius is determined by the correlation. Our practice suggests that the interpolation cut method works well in separating the local fields from the regional in the South China Sea.
- gravity data processing,
- interpolation cut method,
- local field,
- regional field

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Application of interpolation cut method to gravity data processing in South China Sea