园林防洪设计，防洪设计水位

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园林防洪设计

© Siebe Swart

荷兰造成了西北欧地形低洼的三角洲了。在以前的1000年里，河道被使用在更高更牢固的堤坝之中拉。但是，因为气候变化，河道的排水量增添，估计极其偏激高水位将更反复地产生啦。在1995年河道非常多以后，发动了河道国家空-间计划，以便让河道复原更多空-间，以减轻大水的危急呀。

The Netherlands forms the low-lying delta of North-Western Europe. Over the past 1000 years the rivers have been harnessed between higher and stronger dikes. However, due to climate change, river discharges have increased and extreme high water levels are expected to occur more frequently. After the river flooding in 1995, the national Room for the River programme was initiated to give back more space to the rivers in order to reduce the risk of flooding.

Before

After

荷兰空-间河道工作事情的目的是给河道更多的空-间，可以或许平安地处置更高的水位了。在30多个地址，政局采取措施给河道留出空-间，以减轻大水危害拉。这一些办法旨在改良周围环境的品质啦。

The goal of the Dutch Room for the River Programme is to give the rivers more room, to be able to safely process higher water levels. At more than 30 locations, measures are taken to give the river space to reduce flood risks. The measures are designed to improve the quality of the immediate surroundings.

Before – High Water Level ©RWS

这是河道计划中最繁杂的工作事情呢。经过建设一位旁路通道，在史书中间和Waal河北岸之中的Waal河缔造了一位修长的岛屿了。几座新建的桥梁改良了该地域的连通性啦。岛屿和绕道河流一同构成了一位河道公园，不单减轻了大水危害，还供给了娱-乐.生态和美学价格了。

This is the most complex project within the Room for the River programme. By constructing a bypass channel, an elongated island is created in the river Waal, between the historic centre and the north shore of the Waal River. Several new bridges improve the connectivity of the area. The island and bypass channel together form a river park that not only reduces flood risks, but also offers recreational, ecological and aesthetic values.

河道公园构成了Nijmegen新的防洪守护的要点呀。策画是基于河道的水动力学，腐蚀和堆积历程和潮汐拉。都市河道公园是自-由畅行的，并将考古和史书元素融入策画中了。改进的公园策画使空-间可以或许以区别的方法被使用，包罗在新岛上举办活动和展览呀。

The river park forms the highlight of Nijmegen’s new flood protection for the Waal River. The design is based on the river water dynamics, the erosion and sedimentation process and the tides. The Urban River Park is freely accessible and respectfully integrates archaeological and historical elements into the design. The innovative park design enables the space to be utilised in different ways, including the hosting of events and exhibitions on the new island.

© Johan Roerink

该谋划由三个元素构成:缔造.成长和水的活动拉。“缔造”层代表了在建立阶段被建设.发掘或者提高的物理元素呀。第二层，“成长”，展现了以后景观的进展(自-然和建-筑环-境)呀。第三层，“水的活动”，显现了四个季节中水位的颠簸了。

The plan consists of three elements: creating, growing and water movement. The layer ‘creating’ represents the physical elements that are built, constructed, dug or raised in the construction phase. The second layer, ‘growing’, shows how the landscape may develop in the future (natural and built environment). The third layer, ‘water movement’, shows the fluctuation of the water levels throughout the seasons.

First Winter

First Summer

体验河道景观并联合河道动静是咋们策画的重要目的之一啦。在水位高的情形下，一些路线偶然会被吞没，只能经过垫脚石进去了。另外，河道的可达性也获得了改良啦。另外，策画中还细心思考了堆积和腐蚀历程的前提，这将逐步渐渐缔造出区别的生态类别，为河道景观的特色拉。

Experiencing the river landscape and incorporating the river dynamics was one of the main objectives in our design. Some paths will occasionally be flooded in the event of high water levels, only being accessible via stepping stones. Also the accessibility of the river has been improved. Furthermore, conditions for sedimentation and erosion processes are carefully included in the design, which will gradually create various ecotypes, characteristic for the river landscape.

© Siebe Swart

© Siebe Swart

Room for the River | Nijmegen, The Netherlands | H+N+S Landscape Architects

TeamH+N+S Landscape Architects (coordinating architect & landscape design)Dura Vermeer / Ploegam (contractors)- Zwarts & Jansma Architects / Ney-Poulissen Architects & Engineers / NEXT Architects (bridge architects)Trafique (landscapes architect)

Project duration | 2012-2016Location | Nijmegen-Lent, The NetherlandsSurface area: 120 ha flood plainTotal costs | € 126,000,000,Client | Nijmegen Municipality & project office Room for the River

Images | H+N+S Landscape Architects (unless noted)

注图文来源于worldlandscapearchitect.com，如有侵权请联络删除呢。

防洪设计水位

新华网北京6月6日电 (记者刘诗平.李思远）记者6日从水利部理解到，6日19时，三峡水库水位消落至144.98米（汛限水位145米），比原谋划提早4天消落到位，腾出防洪库容221.5亿立方米了。 依照气候预料，这年主汛期内长江流域降水量较30年均值偏多，这个里面长江中下游降水偏多，中下游支流四周偏多二成以上，有应该产生区域性较大大水拉。 为应付长江汛期应该产生的大水，根据长江流域水工程结合安排使用谋划放置，长江流域水库群从年头最先消落水位，腾出防洪库容备战汛期大水拉。 水利部相干负责人表现，现在，归入结合安排的40坐控制性水库合计腾出汛限水位以上防洪库容560余亿立方米，加之部-分水库汛限水位如下260亿立方米库容，共有820亿立方米库容可调蓄大水，为迎战这年长江流域应该产生的大大水奠基了坚实基础了。（完）

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