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建設固若金湯的大都市

建設固若金湯的大都市

Clay Dillow 2013-06-27
桑迪颶風造成洪水圍城之后,紐約市計劃通過一系列規模龐大的的工程來加強它的基礎設施建設,以此應對氣候變化,而這只是世界各地城市加固運動的開始。同時,一系列預測表明,到這個十年結束的時候,全球的城市恢復力建設很可能會形成一個價值數千億美元的產業。

????世界其他地方也是如此,而政府需要更多地參與緩解與氣候變化相關的各種威脅,這一點已經越來越成為全球共識。這種全球共識在很大程度上是由過去十年以來一連串嚴重自然災害所引起的,而且正在催生出一種新的極端型土木工程及建筑項目。而隨著各個國家及城市試圖在面對海平面持續上升以及惡劣天氣活動增加的情況下增強自身的恢復力,這些項目為全球繁榮做好了充分的準備。一系列預測表明,到這個十年的末期,恢復力建設很可能形成一個價值數千億美元的產業。

????仿佛是為了印證這種預測,過去幾個月以來突然出現了一系列的設計比賽,它們都要求參賽者提交可以成為在災害易發地區建設社區之新標準的“極端天氣型建筑”解決方案。美國住房和城市發展部(the U.S. Department of Housing and Urban Development)6月20日推出了一項名為“通過設計重建都市”(Rebuild by Design)的廣泛計劃,旨在專門針對受桑迪災害影響最嚴重的地區,征詢快速恢復型建筑設計和基礎設施的新穎設想。由美國建筑師協會(American Institute of Architects)發起的“設計恢復力”(Designing Recovery)活動要求工程師為三個具體地區提出更具恢復力的住宅解決方案的構想,這三個具體地區是:密蘇里州喬普林、路易斯安那州新奧爾良以及和紐約市皇后區。而3C綜合沿海社區比賽(Comprehensive Coastal Communities)提出了一個簡單但棘手的設計問題:如何在重建某地區時讓其地平面相比以前抬高幾英尺,但又不能使它變得難看?

????如何將這些類型的新解決方案與已經通過測試的土木工程防洪減災實踐結合起來?這個問題將成為紐約市面臨的挑戰,因為紐約市力圖證明,借助足夠的投資資金以及深思熟慮的規劃,城市實際上可以通過加強工程建設來繞開海平面上升及其他與氣候變化相關的威脅。而且,這是全球以第一個為了增強主要城市地區應對氣候變化的恢復力而發起的這種規模的重大民用基礎設施徹底翻修計劃,世界各地的其他城市都會拭目以待,看看紐約市打算如何處理這么龐大而復雜的新體系所需要經歷的政治磋商及實施進程,同時還要看看這項投資是否能夠帶來回報。

????卡瓦拉羅說:“未來需要作出一些艱難的選擇。某些時候要保護某些地區,而這可能會讓其他地區懊惱失望,但我們終于要在遭受損失之前先投入一些資金,借以加強防災能力。我相信,事先投入一些資金,會在暴風雨來襲時省下許多錢。”(財富中文網)

????譯者:iDo98

????The same is true elsewhere in the world, and the growing consensus -- largely spawned by a spate of intense natural disasters over the past decade -- that governments need to get more involved in mitigating threats related to climate change is giving rise to a new kind of extreme civil engineering and architecture that is well-positioned for a global boom as cities and states attempt to bolster their own resiliency in the face of rising sea levels and increased severe weather activity. Projections indicate that resiliency construction could very well be its own industry worth hundreds of billions of dollars by the end of the decade.

????As if on cue, a number of design competitions have sprung up in the past few months asking for "extreme weather architecture" solutions that could become the new standard for communities building in disaster-prone regions. The U.S. Department of Housing and Urban Development launched a broad initiative on June 20 titled Rebuild by Design seeking novel ideas for resilient building designs and infrastructure specifically tailored for the areas most devastated by Sandy. Designing Recovery, launched by the American Institute of Architects, asks engineers to concept more resilient residential solutions for three specific areas: Joplin, Mo., New Orleans, La., and Queens, N.Y. And 3C for (Comprehensive Coastal Communities) asks a simple yet tricky design question: How do you rebuild a neighborhood several feet higher than it was before without making it ugly?

????Integrating these kinds of new solutions with tested civil engineering flood mitigation practices will be New York City's challenge as it strives to prove that with enough investment and thoughtful planning, cities really can engineer their way around rising sea levels and other climate change-related threats. And, being the first major civic infrastructure overhaul of this magnitude aimed specifically at enhancing the resiliency of a major urban area with respect to climate change, other cities around the globe will be watching to see how New York manages the politics and implementation of such a vast and complex new system -- and whether the investment pays off.

????"There's going to be some tough choices to make," Cavallaro says. "At some point you're going to protect certain areas probably to the chagrin of other areas. But we're finally going to put some money ahead of the damage. I believe that a little bit of money up front will save a lot money when storms hit."

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