ESTIMATING LAND SUBSIDENCE IN RELATION TO URBAN EXPANSION IN SEMARANG CITY, INDONESIA, USING INSAR AND OPTICAL CHANGE DETECTION METHODS

被引：0
|
作者：
Koch, Magaly [1 ,2 ]
Gaber, Ahmed [3 ]
Darwish, Noura [3 ]
Bateman, Juliette [1 ,2 ]
Gopal, Sucharita [1 ,2 ]
Helmi, Muhammad [4 ]
机构：
[1] Boston Univ, Ctr Remote Sensing, Boston, MA 02215 USA
[2] Boston Univ, Dept Earth & Environm, Boston, MA 02215 USA
[3] Port Said Univ, Geol Dept, Port Said, Egypt
[4] Diponegoro Univ, CoREM, Semarang, Indonesia
来源：
2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) | 2019年
关键词：
coastal urban hazards; land subsidence; InSAR; optical satellites; change detection;
D O I：
10.1109/igarss.2019.8897970
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Land subsidence and flooding events in coastal Semarang City, Central Java, has had severe impacts on the region's population and economy. This work presents a methodology based on a combination of InSAR subsidence mapping and optical classification and change detection techniques to estimate the spatial distribution of subsidence rate and assess its impact on urbanization growth, land conversion and coastal flooding. Significant spatial relationships were found between urban zones (building density), flood extent (shoreline retreat) and subsidence rates. The overexploitation of aquifers and city zoning development contribute to accelerate subsidence rates.
引用
收藏
页码：9686 / 9689
页数：4
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