Improving the resilience of hard urban systems via improved flood risk modelling

由洪水风险建模公司Ambiental和地球科学研究组织英国地质调查局组成的一个联合体正在开展一个项目，旨在证明一种新的计算机建模技术，该技术可以更好地代表地下水(地下流动的水)在洪水事件中的作用。当地下水位超过地表时，可能会发生洪水，但高水位也会加剧暴雨带来的洪水。洪水也可能发生在防洪堤后面的城市地区，那里的地下水被高水位迫使穿过岩石。该项目的成功完成将为一个新的洪水模拟框架铺平道路，该框架将使我们能够澄清物业因这一现象(发生在西南部大部分地区和泰晤士河流域2013-14年冬季洪水)所面临的风险水平。这有许多好处，包括在规划防洪计划时有新的洞察力，在为即将到来的洪水做准备时更好地做好准备，以及更好地了解“高危”地区的实际风险水平。

A consortium of flood risk modelling company Ambiental and the geoscience research organisation British Geological Survey are embarking on a project that seeks to prove a new computer modelling technique which better represents the role of groundwater (water flowing underground) during flood events. Flooding can occur when the groundwater table exceeds the ground surface, but a high water table can also exacerbate flooding from heavy rainfall. Flooding can also occur in urban areas behind flood defences where groundwater is forced through the rock by high river levels. Successful completion of this project will pave the way to a new flood modelling framework which will allow us to clarify the level of risk properties are facing from this phenomena (which occurred throughout much of the south-west and Thames valley flooding of winter 2013-14). There are a multitude of benefits, including new insight when planning flood defences, better preparedness when preparing for impending floods and improved knowledge about the actual level of risk in ‘high-susceptibility’ areas.