MAA GROUP Consulting Engineering

NORTHERN TAIWAN

STUDIES AND INVESTIGATION ON GEOLOGICAL HAZARD OF HILL SLOPES, TAIWAN

  • MARKETS :
  • Slopeland development
  • SERVICES :
  • Geomatics
  • SCOPE OF WORK :
  • Aerial photos and orthophotos
    5 x 5 m digital terrain model
    Landslide prone area database

Mapping slope hazard

Urban expansion spurs development on hazard-prone hillside land. Taiwan’s Central Geological Survey launched in 2002 a five-year geological survey to map potential hazards and improve disaster prevention. Falling rocks, landslides, coal mining areas, abandoned quarries, river bank erosion etc. were all taken into account to build a comprehensive hazard prevention database. MAA took part into this effort by mapping out and adding to this database slope hazard data for Northern Taiwan.

Partners: Disaster Research Center, National Cheng Kung University, Tao Lin numerical measure Engineering Ltd.

 

Scope of work

  • Color aerial photo acquisition, processing and production of orthophotos
  • Creation of a 5 x 5 m digital terrain model (DTM) with aerial photography, contour lines and field surveys
  • Creation of a database with hazard prone areas, maps, pictures and metadata

 

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