Analysis of Coastal Sedimentation Impact to Jakarta Giant Sea Wall Using PSI ALOS PALSAR

Sumantyo, Josaphat Tetuko Sri; Setiadi, Bambang; Perissin, Daniele; Shimada, Masanobu; Mathieu, Pierre-Philippe; Urai, Minoru; Abidin, Hasanuddin Z.

doi:10.1109/lgrs.2016.2592940

Cited by 10 publications

(5 citation statements)

References 5 publications

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“…Given the specific nature of the topic, a total of six academic papers have been identified, based on keyword searches on "Great Garuda", "Jakarta Coastal Defense Strategy", "National Capital Integrated Coastal Development Masterplan", "Giant Sea Wall", and "Coastal Protection + Jakarta" in the article title, abstract and keywords (see Section 5 for an introduction). The results include [19][20][21][22][23][24]. In addition, over 15 relevant English-language newspaper articles and blog posts have been included in the analysis, identified through a similar keyword search in Google and the LexisNexis academic newspaper database.…”

Section: Methodsmentioning

confidence: 99%

“…All of the above three effects are expected to have negative impacts on the local ecology and fish stocks, causing ripple-on problems for local fishing communities whose livelihoods depend on them [45]. In addition, the sea dyke is expected to even alter local currents to an extent that will cause the erosion of entire islands currently neighboring the planned reservoir [23,45].…”

Section: Evaluating Current Adaptation Measuresmentioning

confidence: 99%

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Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

2018

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On a conceptual and normative level, the debate around transformation in the context of disaster risk reduction and climate change adaptation has been rising sharply over the recent years. Yet, whether and how transformation occurs in the messy realities of policy and action, and what separates it from other forms of risk reduction, is far from clear. Jakarta appears to be the perfect example to study these questions. It is amongst the cities with the highest flood risk in the world. Its flood hazard is driven by land subsidence, soil sealing, changes in river discharge, and-increasingly-sea level rise. As all of these trends are set to continue, Jakarta's flood hazard is expected to intensify in the future. Designing and implementing large-scale risk reduction and adaption measures therefore has been a priority of risk practitioners and policy-makers at city and national level. Against this background, the paper draws on a document analysis and original empirical household survey data to review and evaluate current adaptation measures and to analyze in how far they describe a path that is transformational from previous risk reduction approaches. The results show that the focus is clearly on engineering solutions, foremost in the Giant Sea Wall project. The project is likely to transform the city's flood hydrology. However, it cements rather than transforms the current risk management paradigm which gravitates around the goal of controlling flood symptoms, rather than addressing their largely anthropogenic root causes. The results also show that the planned measures are heavily contested due to concerns about ecological impacts, social costs, distributional justice, public participation, and long-term effectiveness. On the outlook, the results therefore suggest that the more the flood hazard intensifies in the future, the deeper a societal debate will be needed about the desired pathway in flood risk reduction and overall development planning-particularly with regards to the accepted levels of transformation, such as partial retreat from the most flood-affected areas.

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Section: Methodsmentioning

confidence: 99%

Section: Evaluating Current Adaptation Measuresmentioning

confidence: 99%

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

2018

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“…A number of studies shows the critical connection between land subsidence and the exacerbation of flooding events, especially in big cities in Indonesia such as Bandung [13], Jakarta [14], and Semarang [15]. Land subsidence tends to occur in urban areas where a very large proportion of the population rely on wells for water supply, making them vulnerable to land subsidence.…”

Section: Introductionmentioning

confidence: 99%

“…DInSAR interferometry is a useful technique for detecting and monitoring deformation movements, as well as for advancing research [16]. The DinSAR approach can be used to determine changes in the volume deformation of the soil surface [13,15,17,18]. The satellite-derived estimations of subsidence depth are compared to the previous results of GPS survey [19].…”

Section: Introductionmentioning

confidence: 99%

Multi-Sensor Satellite to Assess Sea Level Rise and Land Subsidence Impact on the Flood Crisis on the East Coast of North Sumatra and Medan City, Indonesia

Lumban-Gaol,

Sumantyo,

Tambunan

et al. 2023

Preprint

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Flood disasters have become an annual occurrence along the East Coast of North Sumatra (ECNS) and Medan City. Numerous studies have examined the causal factors flood disasters in this area, such as changes in land use, drainage issues, and population growth, but the intensity of flood disasters continues to rise. In this research, we focused on evaluating the unexplored factors of land subsidence and rising sea levels in this region. Our investigation uses multi-sensor satellite data and field surveys to conduct an assessment of the rate of land subsidence and sea level rise and assess their implications on flood disasters. This study highlights the potential of multi-sensor satellite data as a primary resource for assessing flood disasters in coastal areas and densely populated large cities. Furthermore, we propose a solution to reduce the negative impact of flood disasters by by engaging local communities and environmental enthusiasts in mangrove reforestation along the coastline.

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“…Furthermore, the technique can observe a wide range of deformation area in both subsidence and uplift [4]. Some applications that applied PSI-SAR technique to earth observation are such as seismic fault [5], coastal sedimentation monitoring [6], volcanos [7], landslide [8] with accuracy 1 m for height and 1 mm in displacement [9]. However, when PSI-SAR technique applied in the non-urban area, the number of permanent scatterers (PS) target is low [10].…”

Section: Introductionmentioning

confidence: 99%

Long-Term Land Deformation Monitoring Using Quasi-Persistent Scatterer (Q-PS) Technique Observed by Sentinel-1A: Case Study Kelok Sembilan

Razi¹,

Sumantyo²,

Perissin³

et al. 2018

ARS

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Located on the mountainous area, Kelok Sembilan flyover area in West Sumatra, Indonesia has a long history of land deformation, therefore monitoring and analyzing as continuously is a necessity to minimize the impact. Notably, in the rainy season, the land deformation occurs along this area. The zone is crucial as the center of transportation connection in the middle of Sumatra. Quasi-Persistent Scatterer (Q-PS) Interferometry technique was applied for extracting information of land deformation on the field from time to time. Not only does the method have high performance for detecting land deformation but also improve the number of PS point, especially in a non-urban area. This research supported by 90 scenes of Sentinel-1A (C-band) taken from October 2014 to November 2017 for ascending and descending orbit with VV and VH polarization in 5 × 20 m (range × azimuth) resolution. Both satellite orbits detected two critical locations of land deformation namely as zone A and Zone B, which located in positive steep slope where there is more than 500 mm movement in the Line of Sight (LOS) during acquisition time. Deformations in the vertical and horizontal direction for both zone, are 778.9 mm, 795.7 mm and 730.5 mm, 751.7 mm, respectively. Finally, the results were confirmed by ground truth data using Unmanned Aerial Vehicle (UAV) observation.

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Analysis of Coastal Sedimentation Impact to Jakarta Giant Sea Wall Using PSI ALOS PALSAR

Cited by 10 publications

References 5 publications

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

Multi-Sensor Satellite to Assess Sea Level Rise and Land Subsidence Impact on the Flood Crisis on the East Coast of North Sumatra and Medan City, Indonesia

Long-Term Land Deformation Monitoring Using Quasi-Persistent Scatterer (Q-PS) Technique Observed by Sentinel-1A: Case Study Kelok Sembilan

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