Implementing GI approaches to river engineering protection measures

绿色基础设施（GI）河流工程方法是改善水体质量、形态和生态的基础，也是帮助人们和社区适应气候变化负面影响的整体战略的一部分。此外，香港亦有一个强而有力的立法架构，推动保护和改善环境的需要。地理标志解决方案包括绿色工程措施，以及绿化灰河工程资产，其效益与传统的“灰色”基础设施相当或更高。它们可以自我再生，是促进生物多样性的长期解决方案，但存在程序和技术障碍，妨碍和阻碍将绿色解决方案作为河流工程保护计划的一部分加以实施。它们被认为比灰色（或硬）工程解决方案具有更高的失败风险，没有得到设计和维护指南和程序或基于证据的方法的充分支持。该项目的目标是支持资产管理者，工程师，决策者和其他最终用户识别和选择河流环境中河流工程保护的绿色工程方案。该项目将为选择和应用绿色基础设施方法制定一个决策支持框架，以进行河流洪水防御和侵蚀风险管理干预。拟议的工作将汇集关于洪水风险和侵蚀保护计划的绿色基础设施措施的现有学术知识，并辅之以一系列支持其实际应用的案例研究。这将成为将要开发的决策支持工具的基础。它将回答以下问题：什么技术在不同的渠道类型中起作用，它们的优点和局限性是什么。该项目将提取新的可用的和相关的研究、经验和知识，并使其更广泛地提供给从业者，帮助他们使用类似类型的标准来选择绿色和绿灰色解决方案，而不是探索灰色解决方案。这将有助于克服偏见和无知的一些障碍，并使地理标志概念得以实施。采用地理信息系统方法将通过绿化新的和现有的河流保护和管理基础设施来加强河流生态系统的功能，并将有助于遵守洪水指令和水框架指令的环境方面。

Green infrastructure (GI) river engineering approaches are fundamental to improving the quality, morphology and ecology of our waterbodies; and as part of an overall strategy to help people and communities adapt to the negative effects of climate change. There is also a strong legislative framework which drives the need to protect and enhance the environment.GI solutions include green engineering measures and greening grey river engineering assets with equivalent or increased benefits compared to conventional "grey" infrastructure. They can become self-regenerating and represent a long-term solution that also promotes bio-diversity.There are however, procedural and technical barriers which prevent and obstruct the implementation of green solutions as part of river engineering protection schemes. They are perceived as having a higher risk of failure than grey (or hard) engineering solutions, are insufficiently supported by design and maintenance guidance and procedures or by evidence-based approaches.The objective of the project is to support asset managers, engineers, decision-makers, and other end-users to identify and select green engineering options for river engineering protection in the fluvial environment. The project will develop a decision support framework for selection and application of green infrastructure approaches to fluvial flood defence and erosion risk management interventions in rivers. The proposed work will draw together the existing academic knowledge on green infrastructure measures for flood risk and erosion protection schemes and be complemented with a range of case studies that support their practical application. This will underpin the decision support tool that will be developed. It will answer the questions: what techniques work in different channel typologies and what are their benefits and limitations.The project will pull out the new available and relevant research and experience and knowledge and make it more widely available to practitioners helping them to select green and green-grey solutions using similar type of criteria than when exploring grey solutions. This will help to overcome some of the barriers of prejudice and ignorance and enable the implementation of GI concepts. The uptake of GI approaches will strengthen the functionality of fluvial ecosystems by greening the new and existing river protection and management infrastructure and will assist in compliance with the environmental aspects of the Floods Directive and the Water Framework Directive.