Publicaties
Zoek binnen publicaties
114 resultaten
Holistic management of brownfield regeneration (HOMBRE) : decision support system on soft reuses
Often brownfields reuse is considered in the context of hard reuses such as for housing, business parks or infrastructure. Soft end uses, such as green space or biomass production, can tend to be overlooked. However, soft end uses can provide services which enhance regeneration, both in their own right and when integrated with hard uses such as for buildings. HOMBRE (Holistic Management of Brownfield Regeneration) was a major EU FP7 project which concluded in November 2014. One of its outputs is a simple design aid to help developers and others involved in brownfields to identify what services they can get from soft reuse interventions for their site, how these interact and what the initial default design considerations might be. This report is the presentation and explanation on how to use this design aid to better assess and design soft reuse interventions and services within brownfield regeneration processes. We explain and show how we connect services with interventions and the other way around. How to implement this in the regeneration process in order to increase the overall project success and sustainability.
Dynamic behaviour of hydraulic structures, part B : structures in waves
A new sediment budget for the Netherlands: the effect of 15 years of nourishing (1991-2005)
In 1990, the Dutch government decided to halt structural coastal erosion with sand nourishments. This report presents the sediment balance over the period 1990-2005, the first fifteen years of nourishing, in order to establish the results. The overall net sediment budget of the Dutch coast is still negative due to erosion of the lower shoreface and the ebb-tidal deltas (-159.8 million cubic meter). However, the budget shows that the accretionary status of the upper shoreface, beach and frontal dunes has changed to positive. The natural volume trend over the period 1990-2005 is -41.5 mcm. With a nourished volume of 118.6 mcm this zone has a net gain of 77.3 mcm. Especially the Holland coast has a very positive sediment budget: a gain of 23.3 mcm. The conclusion of this study is that the aim of the Dynamic Preservation policy is achieved: coastal recession has been stopped.
Method for calculating sediment transport on the Dutch Lower Shoreface
This report describes an offline Sediment Transport Model for the Dutch Lower Shoreface that can compute annual sand transport rates at arbitrary locations along the lower shoreface of the Dutch coast. The approach is based on output of the state-of-the-art 3D DCSM-FM model, wave observations together with a wave transformation matrix for the Dutch coast and a 1DV sand transport module.
Holistic management of brownfield regeneration (HOMBRE) : cost effective monitoring within the Circular Land Management Framework
This report describes the HOMBRE land management and decision guidance framework that integrates the knowledge on the early indicators of impending brownfield formation and the cost-effective monitoring of the different stages of the land use cycle, including the brownfield stage. Starting from the circular land management framework developed within CircUse, the HOMBRE “Zero Brownfields” perspective is worked out. At the base of the HOMBRE framework are a land use cycle consisting of two phases (use and transition) and a land management cycle (that incorporates three phases: anticipating change, planning transition and realisation, and managing realisation). Monitoring activities are specifically related to the first and last of these phases. Decision guidance within the Zero BF framework is based on a multi-faceted analysis of each management phase, aimed at getting a clear understanding of the following aspects that may impact management decisions: Stakeholder roles and responsibilities ; Spatial and temporal scales ; Key choices ; Information needs ; Key obstacles (including potential liabilities).
Knowledge transfer and uptake in design process of flood defences : case of Kinderdijk-Schoonhevensveer
A fine-grained sender-receiver framework for analyzing knowledge transfer and uptake in policy processes was proposed. This framework was applied to the dike strengthening case of Kinderdijk-Schoonhovenseveer, the Netherlands. It can be used for ex-post evaluation.
Residual uncertainty estimation using instance-based learning with applications to hydrologic forecasting
A non-parametric method is applied to quantify residual uncertainty in hydrologic streamflow forecasting. This method acts as a post-processor on deterministic model forecasts and generates a residual uncertainty distribution. Based on instance-based learning, it uses a k nearest-neighbour search for similar historical hydrometeorological conditions to determine uncertainty intervals from a set of historical errors, i.e. discrepancies between past forecast and observation. The performance of this method is assessed using test cases of hydrologic forecasting in two UK rivers: the Severn and Brue. Forecasts in retrospect were made and their uncertainties were estimated using kNN resampling and two alternative uncertainty estimators: quantile regression (QR) and uncertainty estimation based on local errors and clustering (UNEEC). Results show that kNN uncertainty estimation produces accurate and narrow uncertainty intervals with good probability coverage. Analysis also shows that the performance of this technique depends on the choice of search space. Nevertheless, the accuracy and reliability of uncertainty intervals generated using kNN resampling are at least comparable to those produced by QR and UNEEC. It is concluded that kNN uncertainty estimation is an interesting alternative to other post-processors, like QR and UNEEC, for estimating forecast uncertainty. Apart from its concept being simple and well understood, an advantage of this method is that it is relatively easy to implement.
Holistic management of brownfield regeneration (HOMBRE) : successful brownfield regeneration
This deliverable reports on what is needed for successful brownfield regeneration. It presents the strategy for change as developed in HOMBRE, and provides a basic overview of how the HOMBRE concepts, products and results help boost drivers and incentives and contribute to sustainable brownfield regeneration.
Dynamic behaviour of hydraulic structures, part A : structures in flowing field
Providing support in relation to the implementation of the EU Soil Thematic Strategy : Drivers and transboundary impacts of soil degradation
This report presents evidence of the societal challenges of transboundary impacts, the drivers, and consequences of soil degradation, as well as data and knowledge gaps. The message conveyed by the report is that there is clear evidence of transboundary impacts and drivers of soil degradation and that it has physical, ecological, economic and social causes. Soil degradation does not stop at borders.