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- River basins and deltas need a second game-change
Authors: Han Meyer
Abstract: River basins and deltas can be considered as complex systems with dynamics resulting from natural processes. These dynamics have generated many ecosystem services, but they are also erratic in nature. Since the industrial revolution, the belief has emerged that these systems can be controlled, thereby suppressing the erratic nature of rivers and deltas and maximizing economic benefits. This has led to a game change in the development of rivers and deltas: until the mid-19th century, the natural system was dominant and economic and urban development followed; after the mid-19th century, economic and urban development became dominant and the river and delta systems were increasingly adapted to the new economic and urban realities. The result of this first game change was the disappearance of sufficient room for the natural dynamics of river and delta systems. This has led to major problems in the current times of climate change, which can only be tackled with a second game change, which takes more into account the natural dynamics of the river and delta systems and offers more space for these dynamics. An example of what this second game change could look like is a proposal for the reorganization of the main discharge of the Rhine and Maas rivers in the Dutch Rhine-Meuse delta. This reorganization has major consequences, but also offers new opportunities for the water system, as well as for the natural environment and for port development, urban development, and the necessary energy transition. For this new game change, design explorations are necessary to investigate how a new synergy can be achieved by combining all these aspects.
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6862
Issue No: Vol. 3 (2022)
- Nature-based Solutions for climate adaptation and mitigation in Deltas and
coastal areas.
Authors: Veronica Zagare
Abstract: Coastal areas, especially deltas, are some of the most urbanized territories in the world. Historically, the natural richness and strategic location of these areas resulted attractive for human settlements worldwide. However, these areas are also highly vulnerable due to rapid and unplanned urbanization, land use changes, and extreme climate events. There is an international consensus on the need for new strategies for sustainable development to help cities to mitigate the effects of climate change, as well as adapt to new changing conditions in a context of increasing uncertainty. This paper will explore the specific aspects of urban deltas and coastal areas, from a complexity-based approach, and analyse Nature-based Solutions as alternatives towards sustainable development in these areas.
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6863
Issue No: Vol. 3 (2022)
- Between The Sea And Giants
Authors: J. Subendran, M. Van Nieuwehove, A. Mengé, K. Vanackere
Abstract: The Belgian coastline is 65 kilometres, has 15 coastal towns and, like many of its North-Sea neighbours, experiences the volatile dynamics of sea level rise and raised demand for effective coastal safety measures. Today, we are seeing the consequences of hard and grey infrastructural solutions which solely address the concerns of coastal safety in a majority technical way. Along the Belgian coast, exists an array of sea walls, dikes, and beaches along a traditional sweeping concrete surface delineating the edge between land and sea. Through the perspective of Nature Based Solutions (NBS) this paper will unpack how NBS has been planned and implemented across three of the Belgian coastal towns Bankenberge, Middelkerke and Ostend. These three Flemish pilots are representative for the typical coastal conditions of a dense urban frontage along concrete boulevards, substantiating the edge condition to the sand and sea. The pilots are a showcase of how NBS can acts as a performative buffer, or interface, between the urban edge and the sea, between the sea and giants.
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6865
Issue No: Vol. 3 (2022)
- Delta
Authors: Cornelia Redeker
Abstract: Dictionary entry: Delta
by Cornelia Redeker
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6866
Issue No: Vol. 3 (2022)
- Delta Challenges and Nature-based Solutions in Dialogue
Authors: Kim van Nieuwaal, Niki Frantzeskaki, Emmanuelle Cohen-Shacham
Abstract: The delta areas had been significant for human development.The environmental degradation and the climate change are one of the multiple pressures experienced by urban deltas such as groundwater extractions, land subsidence affecting the provision of ecosystem services that pose extra risk in the livelihoods of the local as well on the global populations living in these areas. Nature-based solutions have proved their potential to counteract some of these pressures. The following talk brings to the fore an interdisciplinary take on the potential, the value as well as the challenges encompassed in designing, planning and governing nature-based solutions for urban deltas. This dialogue is the transcription of a series of interviews from the guest editors, Veronica Zagare and Diego Sepulveda with the authors, held during October/November 2022.
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6867
Issue No: Vol. 3 (2022)
- Delta Challenges and Nature-based Solutions in Dialogue
Authors: Kim van Nieuwaal, Niki Frantzeskaki, Emmanuelle Cohen-Shacham
Abstract: The delta areas had been significant for human development.The environmental degradation and the climate change are one of the multiple pressures experienced by urban deltas such as groundwater extractions, land subsidence affecting the provision of ecosystem services that pose extra risk in the livelihoods of the local as well on the global populations living in these areas. Nature-based solutions have proved their potential to counteract some of these pressures. The following talk brings to the fore an interdisciplinary take on the potential, the value as well as the challenges encompassed in designing, planning and governing nature-based solutions for urban deltas. This dialogue is the transcription of a series of interviews from the guest editors, Veronica Zagare and Diego Sepulveda with the authors, held during October/November 2022.
PubDate: 2022-12-31
DOI: 10.59490/jdu.3.2022.6864
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