Land Subsidence and Monitoring in Indonesia Victoria Lim
Land Subsidence and Monitoring in Indonesia Victoria Lim UCB Fall 2020 | Geosystems Design Project | CE 179 Prof. D. Zekkos
What is LAND SUBSIDENCE? Land subsidence can be: § a natural process (clay consolidation), Land subsidence is the settlement and sinking of the ground surface or a § man-made occurrence However, the majority of land subsidence events are due to man-made occurrences. 11/15/13 | Lorem Ipsum 2
Indonesia Lucida Grande 14 pt Semarang Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam 11/15/13 | Lorem Ipsum 3
Jakarta Semarang Population: 10 million Area: 660 km 2 Population: 2 million Area: 370 km 2 Flat land topography Flat and Hilly land topography BOTH CITIES ARE EXPERIENCING: - - POPULATION BOOMS INDUSTRIALIZATION BOOMS HIGH RATES OF LAND SUBSIDENCE 11/15/13 | Lorem Ipsum 4
Impacts Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam Cracking and tilting 11/15/13 | Lorem Ipsum 5
Impacts Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam Flooding and inland sea water intrusion 11/15/13 | Lorem Ipsum 6
Reasons for Land Subsidence Land subsidence can be due to: § Soil composition § Increasing population & industry § Excessive groundwater removal § The relationship between urban development and land subsidence is cyclical (Tectonic movement) 11/15/13 | Lorem Ipsum 7
What is being done? Monitoring & Land subsidence is being monitored and predicted prediction techniques: § Leveling surveys § GPS surveys § In. SAR & DEM 11/15/13 | Lorem Ipsum 8
Techniques Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam Leveling survey results in Jakarta 11/15/13 | Lorem Ipsum 9
Techniques Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam GPS-derived land subsidence contours and rates in Semarang 11/15/13 | Lorem Ipsum 10
Techniques Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam Comparison of In. SARderived land subsidence rates in Jakarta 11/15/13 | Lorem Ipsum 11
Techniques Lucida Grande 14 pt 2007 DEM prediction of land subsidence Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam 11/15/13 | Lorem Ipsum 12
Lucida Grande 14 pt Nemo enim ipsam volptatem quia voluptas sit aspernatur adit amet eius modi tempora incidunt ut labore et dolore magnam Thank you! 11/15/13 | Lorem Ipsum 13
References Abidin, H. Z. , Djaja, R. , Darmawan, D. et al. (2001) Land Subsidence of Jakarta (Indonesia) and its Geodetic Monitoring System. Natural Hazards 23, 365– 387. https: //doi. org/10. 1023/A: 1011144602064 Abidin H. Z. et al. (2005) Monitoring Land Subsidence of Jakarta (Indonesia) Using Leveling, GPS Survey and In. SAR Techniques. In: Sansò F. (eds) A Window on the Future of Geodesy. International Association of Geodesy Symposia, vol 128. Springer, Berlin, Heidelberg. https: //doi. org/10. 1007/3 -540 -27432 -4_95 Abidin, Hasanuddin Z. & Andreas, Heri & Gumilar, Irwan & Sidiq, Teguh. (2010). Studying Land Subsidence in Semarang (Indonesia) Using Geodetic Methods. Abidin, H. Z. , Andreas, H. , Gumilar, I. et al. (2011) Land subsidence of Jakarta (Indonesia) and its relation with urban development. Nat Hazards 59, 1753. https: //doi. org/10. 1007/s 11069 -011 -9866 -9 Abidin, H. Z. , Andreas, H. , Gumilar, I. , Sidiq, T. P. , & Fukuda, Y. (2013) Land subsidence in coastal city of Semarang (Indonesia): characteristics, impacts and causes, Geomatics, Natural Hazards and Risk, 4: 3, 226 -240, DOI: 10. 1080/19475705. 2012. 692336 Aqil, A. Muh. Ibnu. “Jakarta Sinking Fast: Experts. ” The Jakarta Post, 5 Dec. 2018, www. thejakartapost. com/news/2018/12/05/jakartasinking-fast-experts-subsidence. html. Lin, Mayuri Mei, and Rafki Hidayat. “Jakarta, the Fastest-Sinking City in the World. ” BBC News , 12 Aug. 2018, www. bbc. com/news/world-asia-44636934. Marfai, M. A. , King, L. (2007) Monitoring land subsidence in Semarang, Indonesia. Environ Geol 53, 651– 659. https: //doi. org/10. 1007/s 00254 -007 -0680 -3 National Oceanic and Atmospheric Administration. “What Is Subsidence? ” NOAA's National Ocean Service oceanservice. noaa. gov/facts/subsidence. html. , 14 Mar. 2019, Pierson, David. “Why Is Indonesia Moving Its Capital? ” Los Angeles Times , 26 Aug. 2019, www. latimes. com/world-nation/story/201908 -26/indonesia-new-capital-explained. Ruya Xiao, Xiufeng He, (2013) "GPS and In. SAR Time Series Analysis: Deformation Monitoring Application in a Hydraulic Engineering Resettlement Zone, Southwest China", Mathematical Problems in Engineering, vol. 2013, Article ID 601209, 11 pages. https: //doi. org/10. 1155/2013/601209 Sun, H. , Grandstaff, D. & Shagam, R. (1999) Land subsidence due to groundwater withdrawal: potential damage of subsidence and sea level rise in southern New Jersey, USA. Environmental Geology 37, 290– 296. https: //doi. org/10. 1007/s 002540050386 Tran, D. -H. and Wang, S. -J. (2020) Land subsidence due to groundwater extraction and tectonic activity in Pingtung Plain, Taiwan, Proc. IAHS, 382, 361– 365, https: //doi. org/10. 5194/piahs-382 -361 -2020. 11/15/13 | Lorem Ipsum 14
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