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Assessment of urban groundwater heat contaminant in Jakarta, Indonesia |
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| Authors: | Rachmat Fajar Lubis Makoto Yamano Robert Delinom Sudaryanto Martosuparno Yasuo Sakura Shusaku Goto Akinobu Miyakoshi Makoto Taniguchi |
| Institution: | 1. Research Center for Geotechnology, Indonesian Institute of Sciences, Jln Cisitu Sangkuriang, Bandung, 40135, Indonesia 2. Earthquake Research Institute, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan 3. Faculty of Science Chiba University, 1-33 Yayoi-Cho, Inage-Ku, Chiba, 263-0043, Japan 4. National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba, 305-8567, Japan 5. Research Institute for Humanity and Nature, 457-4 Motoyama, Kamigamo, Kita-ku, Kyoto, 603-8047, Japan |
| Abstract: | Urbanization has become one of the domain processes for city development in Indonesia. The results of the extremely high densities of fast growing population have led to negative subsurface environmental impact. Jakarta, as one of the rapidly developed and urbanized cities in Southeast Asia, has become one of the interesting urbanization city to analyze its effects. In Jakarta, the use of groundwater has greatly accelerated conforming to the rise in its population and the development of the industrial sector, which consume a relatively large amount of water. The increase of groundwater exploitation in Jakarta city has already caused a negative impact on these resources. Therefore, an assessment of groundwater trends in the urban area, including their hazard and risk management, is a necessary action. This paper describes the assessment of urban groundwater loading caused by human concentration in Jakarta city. Subsurface heat contamination under the condition of surface warming shows significant effects of urban groundwater loading during the past century in Jakarta city. |
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