Land subsidence characteristics of Bandung basin (Indonesia) between 2000 and 2005 as estimated from GPS surveys
Abidin, Hasanuddin Z. ... [et al.]
Bandung basin is a large intra-montane basin surrounded by volcanic highlands, inhabited by more than five million people. Based on five GPS (Global Positioning System) surveys conducted on February 2000, November 2002, July 2002 and June 2003, and June 2005, it can be concluded that in the period of 2000 to 2005 several locations in Bandung basin have experienced land subsidence. In this period of about 5 years, land subsidence in a few locations can reach the amount of about 70 cm, with the speed of about 1-2 cm/month. This paper describes the technical and practical aspects of GPS surveys for land subsidence study in Bandung basin along with the obtained results. The environmental impacts of subsidence on the increase coverage of flood inundation and destruction of utilities and infrastructure will also be discussed. The effects of land use and population changes and groundwater extraction on landslide characteristics are also investigated. Paper will sum up with some conclusions and recommendations.
Event: XXIII International FIG Congress : Shaping the change
Only personal, non-commercial use of this document is allowed.