Visualizing and Appraising Alternative Futures


Decision Support Tool

The decision support tool for midsize cities is used to help formulate long term climate adaptation strategies to increase the resilience of water sensitive cities and to assist midsize cities in taking the right strategic decisions and to develop tailor made, long term adaptation strategies.

Use of GIS spatial mapping tool to visualise impact and alternative futures based on introduced measures.

Demonstrated using the City2City system for knowledge sharing and collaboration.




SuDS Studio Toolkit

Atkins Global SuDS Studio toolkit is a geospatial tool that identifies potentially feasible SuDS and then selects the most cost-beneficial solution. 

It does this by inputting a range of GIS data that defines the geospatial relationship between sources, runoff and locations where SuDS might be installed.

Map service tool – complied geographic information related to water and climate risks on multiple spatial levels. To illustrate and highlight the future under differing climate scenarios. To be used for landscape planning and ecological restoration.

Building with Nature

Map Service Tool: Water and Climate


Use this tool to explore various “what-if” situations with a real time simulation of a water utility’s hydraulic network (water system) under varying conditions.

A framework used to assess potential options and alternative futures to visualise adaptive pathways and to value adaptive capacity.

This framework can help asset managers to balance cost, performance and risk over both the short and long term by implementing solutions with sufficient adaptive capacity for future uncertainty. The tool also helps to assess which solution will deliver the greatest benefit to society, economy and environment and will balance associated costs.


Option Framework


Ecohydrological Model and Decision Support Framework

Use this eco-hydrological model to identify best management practices for ecosystems. Visualization tools are provided to help users assess how alternative decisions impact the sustainability of vital ecosystem services.

SOBEK is a modelling tool for flood forecasting, control of irrigation systems, optimization of drainage systems, sewer overflow design, river morphology, salt intrusion and surface water quality. The modelling simulates the  flows and the water related processes in almost any system. 

The tool represents the physical processes in one-dimensional (1D) network systems and on two-dimensional (2D) horizontal grids. It is used to guide the user in decision making processes to choose measures that have the optimum use of resources. The tool calculates the amount of flooding based on climate scenarios (2050). 

Cloud 2 Coast

SOBEK SUITE (Deltares)

Cloud 2 Coast

Hydrological Model 3Di

3Di is a hydrodynamic simulation software that forecasts the impacts of pluvial, fluvial and coastal floods. 3Di can be applied in both urban and rural areas around the world. It uses a combination of rapid simulations, interactive modelling, detailed schematisation and the advanced capabilities to model hydrodynamic processes.

The tool can be used to determine which measures should be implemented and where, based on the impact of extreme local rain events (DPRA).

The Climate Impact Atlas for The Netherlands offers map information about the impacts of climate change in an online map viewer. The Atlas contains maps on urban pluvial flooding, heat stress in cities, river and coastal flooding and droughts. Users can zoom in to their region or city of interest to explore the local vulnerability to climate change impacts. Two types of information are offered: 

1) maps on the exposure to climate related extreme events; and 

2) maps that indicate potential vulnerable or sensitive objects or groups. 

The atlas discloses current climate impacts as well as future impacts under changing climatic conditions towards 2050. The maps support users in analysing and mapping climate risks.

Cloud 2 Coast

Climate Impact Atlas

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SCALGO Live Flood Risk

A flood risk platform for mapping and visualising climate adaptation, urban planning, emergency management and administration of watercourses.
The tool provides an overview of the combined flood risk of a property, a neighbourhood or an entire municipality. The interactive maps show the impact of mew measures on dynamic watersheds, flash flood extents, basin volumes and elevation profiles.

The tool enables the user to visualise and appraise the impact of different developments or measures on different water systems to aid decision making.

The Future Flood Explorer developed by Sayers and Partners enabling whole system understanding of risk and adaptation portfolios.

The FFE has been used to underpin the UK Climate Change Risk Assessment flood projections (Sayers et al, 2020) and is being used in C5A to support a whole system risk analysis and exploration of the benefits and costs of adaption in Kent (here).


System risk analysis Future Flood Explorer

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