River flood risk in Jakarta under scenarios of future change

Budiyono, Yus; Aerts, J.C.J.H.; Tollenaar, Daniel; Ward, Philip J.

doi:10.5194/nhessd-3-4435-2015

Cited by 12 publications

(20 citation statements)

References 60 publications

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“…Nevertheless, most studies agree that groundwater extraction is by far the most important driver for the observed subsidence. Subsidence is driven by three main factors: (1) massive-mostly uncontrolled-groundwater extraction for private and industrial purposes; (2) the natural sediment compaction which is not compensated for due to the interruption of natural sedimentation replenishment; and (3) the substantial compaction loads from buildings and other infrastructure [13]. The detailed quantification of these factors' contribution is difficult and a field for further investigation.…”

Section: Jakarta's Flood Risk: Causes and Trendsmentioning

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: Jakarta's Flood Risk: Causes and Trendsmentioning

confidence: 99%

“…A third factor contributing to Jakarta's flood risk is the fact that many of the rivers and drainage canals are poorly maintained and clogged with waste and sediments [13].…”

Section: Jakarta's Flood Risk: Causes and Trendsmentioning

confidence: 99%

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

2018

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“…Subsidence is driven by three main factors: (1) massive -mostly uncontrolled -groundwater extraction for private and industrial purposes, (2) the natural sediment compaction which is not compensated for due to the lack interruption of natural sedimentation replenishment, and (3) the substantial compaction loads from buildings and other infrastructure (Budiyono et al 2016). The detailed quantification of these factors' contribution is difficult and a field for further investigation.…”

Section: Jakarta's Flood Risk: Causes and Trendsmentioning

confidence: 99%

“…A third factor contributing to Jakarta's flood risk is the fact that many of the rivers and drainage canals are poorly maintained and clogged with waste and sediments (Budiyono et al 2016).…”

Section: Jakarta's Flood Risk: Causes and Trendsmentioning

confidence: 99%

Transformative Flood Risk Reduction in Jakarta: Between Urgent Needs and Contested Measures

Garschagen¹,

Surtiari²,

Harb³

2018

Preprint

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Jakarta belongs to 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 risk reduction and adaption measures is therefore of utmost importance. Against the background, the paper draws on a discourse 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 transformative 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 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 will intensify 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 level of transformation, such as partial retreat from the most flood-affected areas.

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“…Beside the tidal flood as the impact of the sea level rise, Jakarta also got a regular flood. A regular major flood happened in 2002, 2007, 2013, and 2014 cause billion dollars loss and created massive indirect economic failure (Budiyono, Aerts, Tollenaar, & Ward, 2016). Without any action, it is predicted that Jakarta will be sinking about 1.8m by 2030 (Jevrejeva, Jackson, Riva, Grinsteed, & Moore, 2016).…”

Section: Introductionmentioning

confidence: 99%

Analyzing Indonesia’s NCICD Project to Stop the Capital City Sinking

Widodo

2017

otoritas

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Jakarta is hit by a tidal flood every year and cause some loss for the city. Beside that flood caused by sea level rise, the city risk on sinking is higher because of land subsidence problem. Without any significant action, it is predicted that Jakarta will face USD 521 million loss risks on 2050 caused by flood. To overcome the sinking problem, Indonesian government plays an active role on the international action to combat climate change. In addition, Indonesian government also implements NCICD project, in which create giant sea wall and land reclamation on the Jakarta Bay. However, the land reclamation raises an argument that it would create an environment disaster for the city. Because of that, it is suggested that Jakarta should only create a sea wall without land reclamation. Moreover, Jakarta government also should ensure that Spatial City Planning and New Rule on ground water extraction are well implemented so the land subsidence in the city is stopped.

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River flood risk in Jakarta under scenarios of future change

Cited by 12 publications

References 60 publications

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

Is Jakarta’s New Flood Risk Reduction Strategy Transformational?

Transformative Flood Risk Reduction in Jakarta: Between Urgent Needs and Contested Measures

Analyzing Indonesia’s NCICD Project to Stop the Capital City Sinking

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