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CLUDEX will examine the microclimate impact through large scale urban densification by building height increase. Building height growth to height zoning limits will be modelled in an urban district in Vienna. Microclimate conditions will be simulated under current and future climate - and building height conditions by exploring wind fields and temperature distribution during heat wave periods. Building improvement will be analysed and alternatives discussed. Stakeholders will be involved for defining adaptation measures coping better with heat increase.

In the area of the Wastewater Association Traisen, heavy stormwater events in the past years repeatedly caused flooding in the settlement area. The predicted increase in heavy rainfall caused by climate change is more likely to cause flooding if no countermeasures are taken in the catchment area. The subject of the project is the investigation of the current situation in the Wastewater Association Traisen from the point of view of integrated urban water management and spatial planning. The aim of the research project is the development of a method for urban water analysis of the adaptation and decoupling potential of spatial structures. This builds on data collected by engineering offices of the drainage effective areas, and extends them to spatial data on building types, land use, land availability and ownership structure. Based on this, the adaptability of structural types to different rainwater management measures and the impact assessment of these measures will be analyzed. The project will develop a methodological approach that can be applied across the whole association. It will be applied and tested in selected sub-basins depending on the available database. The goal is to identify priority action areas to improve the flood problem. In a sub-catchment area of the association area, an integrative spatial strategy of urban drainage and different development scenarios will be developed in workshops with political decision-makers, stakeholders and project participants Finally, the methodology will be discussed with all members of the Wastewater Association in order to ensure the transferability of the results. Project work is carried out in cooperation with local engineering offices and municipalities, which provide the necessary data.

The Styrian Regional Planning Act provides the opportunity for municipalities to draft sectoral concepts, such as energy strategies, as contributions to the spatial development perspective on the local level. In the frame of a pilot project (from April 2016 until June 2017) a new guideline for municipalities has been developed to give recommendations regarding the content, the methodology and the implications of these energy strategies. The broad implementation of the guideline in the Styrian municipalities, however, depends on the availability of a spatially and factually highly differentiated database which represents the energy and climate related status quo on the local level. The main target of the project is the design and build-up of a Styrian geo-database (to be integrated into GIS Styria). It delivers an extensive picture (“opening balance”) of the structural data considering all kinds of land use and mobility as well as of total energy consumption, heat density and greenhouse gas emissions (on the level of the municipalities and on a 250m-grid). Furthermore, the geo-database consists of potentials of renewable energy sources available on the local level. The opening balance can contribute to a more efficient propagation of themes connected to “energy transition and climate change” into the public discussion. Moreover, it will foster awareness raising of the (specialist) public and of decision-makers in economy, administration and politics. The knowledge base concerning energy consumption and greenhouse gas emissions can penetrate various energy and climate related fields of action such as spatial planning, development of infrastructure, drafting strategies on energy transition and climate protection, and preparation of mobility concepts. The countrywide development of the opening balance is followed by a phase of instruction, advice and evaluation. This phase encompasses activities to introduce the needs of integrated spatial and energy planning and the guideline for energy strategies. Furthermore, workshops are offered to support spatial planners on the local level in the practical application of the guideline and the opening balance. The final step of this project phase is an evaluation and possible adaption of the guideline and the geo-database. The coaching of the spatial planners on the local level intends to initiate a learning process covering spatial, mobility, energy and climate related topics.

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