Climate change, population growth and land-use change have increased the risk of urban floods. Urban floods cause severe damages to cities and their inhabitants, and they are expected to increase over time. Consequently, urban adaptation is required to shift from traditional infrastructure to Blue-Green Infrastructure (BGI). Until recently, studies on BGI implementation have centred around large cities in developed countries. Meanwhile, medium and small size cities have received less attention. According to the Urban Water Management Transition Framework (UWMTF), cities can leapfrog towards more ‘water sensitive’ practices. Although leapfrogging is context-dependent, our understanding of how governance factors support leapfrogging remains embryonic. This paper contributes to the scholarly understanding of the governance factors that support and limit leapfrogging. By applying the Governance Assessment Tool (GAT) and considering three catalytic factors that underpin leapfrogging, this research assessed the process to implement the BGI project named Olympiadelaan in Herentals, Belgium. Overall, the governance context support was assessed as moderate. The regional and provincial governments play a key role in reaching this moderate level of support. This moderate support helps the city level to speed up its urban water management transition, but it is not enough to skip the states in the UWMTF.

气候变化、人口增长和土地利用变化增加了城市洪水的风险。城市洪水对城市及其居民造成严重破坏，而且随着时间的推移，预计还会增加。因此，需要城市适应从传统基础设施转向蓝绿基础设施（BGI）。直到最近，关于华大基因实施的研究都集中在发达国家的大城市。与此同时，中小城市受到的关注较少。根据城市水管理转型框架 (UWMTF)，城市可以跨越到更加“水敏感”的实践。尽管跨越是依赖于上下文的，但我们对治理因素如何支持跨越的理解仍处于萌芽阶段。本文有助于在学术上理解支持和限制跨越的治理因素。通过应用治理评估工具 (GAT) 并考虑支持跨越式发展的三个催化因素，本研究评估了在比利时 Herentals 实施名为 Olympiadelaan 的 BGI 项目的过程。总体而言，治理背景支持被评估为中等。地区和省级政府在实现这种中等支持水平方面发挥着关键作用。这种适度的支持有助于城市层面加快城市水管理转型，但仅仅跳过 UWMTF 中的州是不够的。这项研究评估了在比利时 Herentals 实施名为 Olympiadelaan 的 BGI 项目的过程。总体而言，治理背景支持被评估为中等。地区和省级政府在实现这种中等支持水平方面发挥着关键作用。这种适度的支持有助于城市层面加快城市水管理转型，但仅仅跳过 UWMTF 中的州是不够的。这项研究评估了在比利时 Herentals 实施名为 Olympiadelaan 的 BGI 项目的过程。总体而言，治理背景支持被评估为中等。地区和省级政府在实现这种中等支持水平方面发挥着关键作用。这种适度的支持有助于城市层面加快城市水管理转型，但仅仅跳过 UWMTF 中的州是不够的。