Journal of Remote Sensing & GIS

Qiuliang Duan

Publications

• Research Article
  Deep Concealed Coastal Fault of Dagang Area, North China: Geophysical Characteristics from Potential Field Data and its Geological Implications
  Author(s): Ya Xu*, Tianyao Hao, Qiuliang Duan and Jiaodong ZhangYa Xu*, Tianyao Hao, Qiuliang Duan and Jiaodong Zhang
  
  The coastal fault of Dagang is an important tectonic transition zone in the Dagang area, North China. The former speculations of the existence of the coastal fault are mainly from geology studies. In this paper, we investigate the characteristics of Bouguer gravity anomaly and aeromagnetic anomaly, and provide geophysical evidences of the coastal fault. The upward continuation, directional derivative, wavelet analysis and 3D principle component analysis results of the gravity anomaly and reduction to pole magnetic anomaly are used to extract the coastal fault feature. The main indications of the coastal fault can be summarized with three aspects: (1) linear gravity gradient belt; (2) anomaly transition zone and (3) beard shaped magnetic anomalies. All these geophysical characteristics indicate the existence of a fault along the costal of Dagang area. Based on the deep fault system of .. View More»
  DOI: 10.4172/2169-0049.1000127

  Abstract PDF