| Issue |
E3S Web Conf.
Volume 211, 2020
The 1st JESSD Symposium: International Symposium of Earth, Energy, Environmental Science and Sustainable Development 2020
|
|
|---|---|---|
| Article Number | 02001 | |
| Number of page(s) | 8 | |
| Section | General Environmental Modelling | |
| DOI | https://doi.org/10.1051/e3sconf/202021102001 | |
| Published online | 25 November 2020 | |
Tidal flood hazard in coastal area of Tangerang Regency
Geography Department, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok, 16424, Indonesia.
* Corresponding author: ratna.saraswati@ui.ac.id
Tidal flood is one of the threats to the coastal areas, especially the north coast of Java. The coastal area of Tangerang Regency itself has a history of tidal flood events that occur every year. The tidal flood hazard level can be measured based on the flood characteristic, which includes flood height, flood duration, and flood frequency. Flood characteristic data are obtained by purposive sampling where the tidal flood occurred. Those data are interpolated using Inverse Distance Weighted (IDW) and overlaid to get the tidal flood hazard level in coastal area of Tangerang Regency. The class of non-hazardous dominates Tangerang Regency. The class has 9,727 hectares or 75% of the total coastal area of Tangerang Regency. While the high-class hazard has an area of 1,149 hectares or 9% of the total coastal area of Tangerang Regency. Hazard level may increase in some regions which close to the river mouth. The increasing of hazard level can also be indicated by a low altitude area. Based on the calculation of hazard equilibrium value, the coastal area of Tangerang Regency is dominated by low-class hazard level. There are 12 villages with low-class of hazard level.
© The Authors, published by EDP Sciences, 2020
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