Indonesian Wing

The Delta Alliance Indonesia Wing (DAIW) is one of the 10 initial Delta Alliance National Wings, and bears, as other Delta Alliance Wings, the mission to increase the resilience of its national delta cities. DAIW’s resilience building focusses on the Ciliwung delta, where, amongst others, Jakarta is situated. With its advantageous position as the capital of the country, Jakarta is also the focus of interaction between varied institutions of national and local levels. Hence, DAIW brings institutes, organizations, and experts together to capture and reconcile diverse perspectives of delta management approaches in the development of Jakarta and other delta cities.

Ciliwung Delta

The Ciliwung Delta, along the 120 km long Ciliwung river, with catchment areas of 380 km2, stretches on a big alluvial fan. Next to many benefits that the river provides the people of Jakarta with, it also increases vulnerabilities to, for example, flooding, freshwater shortages and biodiversity loss. Rapid urban sprawling that goes faster than the capacity to mitigate disaster risks, for example, has made fluvial flooding pertinent in Jakarta, adding to pluvial and coastal floodings that the region already experienced. Considering the fact that Jakarta accommodates a great number of Indonesian citizens (almost 10 million), and provides a large share (17%) of the Indonesian GDP, increasing the resilience of the Delta is considered of utmost importance to the entire region and Indonesia as a whole.

13 rivers run through Jakarta, a city of around 10 million inhabitants
Jakarta is the most vulnerable region in South East Asia to the impacts of climate change
The land beneath Jakarta is subsiding at a rate of 1 – 10 cm per year

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Coordinator
Yus Budiyono, Agency for the Assessment and Application of Technology (BPPT), Indonesia.

News and activities

Development of website as new information sharing gateway (July-November 2020)
In order to sustain lessons learned, share further knowledge and information, and provide hands on scientific resources for local governments in particular, the Delta Alliance Indonesia Wing will develop a website focusing on land subsidence, city resilience, and flood in delta cities of Java.

The website https://www.daiw.id will be presented during a launching event based at Geostech Laboratory, Kawasan Puspitek Serpong and will be online broadcasted to invited participants.

A diversity of stakeholders will be involved in this project, including Jan Sopaheluwakan from the University of Indonesia and a support team at PTRRB/BPPT, as well as Governmental bodies such as Bappenas; BKAT (Ministry of Energy and Mineral Resources); Pusair (Ministry of Infrastructure and Public Housing); Coordinating Ministry of Marine and Investment and local governments of northern Java (Provincial and Kabupaten/Kota) as well as the NGOs LPBI/PBNU and Pattiro Semarang, Building with Nature Indonesia and the Nature Conservancy Indonesia.

Delta Alliance workshop held about land subsidence in delta cities of northern Java On 27 November 2019, the Delta Alliance Indonesia Wing organized a workshop, entitled: 'Land subsidence in delta cities of northern Java', and aimed to strengthen research on land subsidence in northern Java and the disseminations on present policies at national and local levels.

Dissertation abstract from Y. Budiyono on Flood risk modeling in Jakarta: development and usefulness in a time of climate change
Yus Budiyono graduated in November 2018 at the VU Amsterdam University. In his Thesis, a flood risk model for rapidly assessing flood risk in Jakarta has been set up using information on hazard, exposure and vulnerability, namely 'Damagescanner-Jakarta'. In the model, hazard is represented by inundation maps showing the flood extent and depth for floods with different probabilities and of different severity. Read summary.

Joint Cooperation Program (JCP) Day 2019
On the 19th of February, 2019, DAIW joined the Joint Cooperation Program (JCP) Day 2019, taking place at the Pendopo Hall of the Indonesian Ministry of Infrastructure and Public Settlement. The day was concluded by the signing of a Memorandum of Understanding with respect to JCP Phase 3 between 9 Dutch and Indonesian institutions; i.e. Deltares, Pusair, BMKG, KNMI, ITC, BIG, BPPT, LAPAN, and Wageningen Environmental Research. The JCP Phase 3 program consist of nine work packages, jointly worked on by several of those institutions. Further information regarding the cooperation can be found at https://www.jcp-indonesia.org/.

Talks on Sea Wall Jakarta
The Ministerial Office of National Development Planning/Agency for the National Development Planning (Bappenas) has introduced a new initiative to address the much debated offshore dike or popularly known as giant sea-wall Jakarta, which initiative is tagged as Waduk Lepas Pantai (WLP) or Offshore Dam. The initiative program calls for support from seven major national universities to share their respective concept and strategic envisioning towards the design of the future giant seawall at the Bay of Jakarta. The Universities included in the consortium are ITB, ITS, Universitas Indonesia, Hasanuddin University, Diponegoro University, Gajah Mada University, and Bogor Agricultural Institute. Other institutions included in the call for action plan are Jakarta Office for Industry, Jakarta Office for Water Resources, Jakarta Office for Infrastructure, Spatial Planning, and the Water Utility Company PD Palyja.

Jakarta (DKI) cooperation on 100 Resilient Cities
The provincial government of Jakarta (DKI) has engaged in a cooperation with Rockefeller Philanthropy Advisors (RPA) on 100 Resilient Cities (100RC). The signing of the cooperation was dated at 24 July 2017 making Jakarta a part of RPA/100RC. A letter of intent has been signed between the Governor Anies Baswedan and President 100RC Michael Berkowitz containing the strategies of development and implementation towards making Jakarta more resilient. The letter of intent describes expectations of the two parties to partner and cooperate to develop strategies to prepare and sustain the city functions towards future shocks and stresses.

Jakarta Climate Adaptation Tools final workshop (21 August 2014)
On 21 August 2014, the JCAT consortium held its final workshop in Jakarta. The main theme of the workshop was Jakarta Climate Adaptation Tools: The Pathway to City Resiliency. The workshop was jointly organised by JCAT, the Jakarta Research Council (Dewan Riset Daerah DKI Jakarta; DRD) and the Indonesia International Institute for Urban Resilience and Infrastructure (i3URI). Several other partners and key institutions also supported the workshop, including the Delta Alliance Indonesia Wing.
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Publications

Hydrodynamic modelling for flood reduction and climate resilient infrastructure development pathways in Jakarta - Final Substantive Report – May 2017
Wijayanti, P., Zhu, X., Hellegers, P. et al (2017). Estimation of river flood damages in Jakarta, Indonesia. In Nat Hazards (2017) 86: 1059. https://doi-org.vu-nl.idm.oclc.org/10.1007/s11069-016-2730-1
Budiyono Y., Marfai M.A., Aerts J., de Moel H., Ward P.J. (2017). Flood Risk in Polder Systems in Jakarta: Present and Future Analyses. In: Djalante R., Garschagen M., Thomalla F., Shaw R. (eds) Disaster Risk Reduction in Indonesia. Disaster Risk Reduction (Methods, Approaches and Practices). Springer, Cham
Final report: Jakarta Climate Adaptation Tools (JCAT). This final report (Delta Alliance report number 8) provides an overview of the different activities, methods, and tools carried out in the JCAT project. This project has contributed to knowledge and capacity building in three main ways: through education, workshops and joint research with stakeholders, and scientific research (Research Programme Knowledge for Climate HSINT02a project).