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Exploring the Long‐Term Economic and Social Impact of Green Infrastructure in New York City
Water Resources Research ( IF 5.4 ) Pub Date : 2020-10-22 , DOI: 10.1029/2019wr027008
S. M. Wong 1, 2 , F. A. Montalto 1, 3
Affiliation  

Across the world, cities are spending billions of dollars to manage urban runoff through decentralized green infrastructure (GI). This research uses an agent‐based model to explore some of the physical, social, and economic consequences of one such urban GI programs. Using the Bronx, NY, as a case study, two alternative approaches to GI application are compared. The first (Model 1) mimics NYC's current GI program by opportunistically selecting sites for GI within the city's priority combined sewer watersheds; the second (Model 2) features a more spatially flexible approach to GI siting, in which the city attempts to maximize opportunities for co‐benefits within the geographic areas considered in Model 1. The effects of both approaches, measured in terms of stormwater captured and co‐benefits (e.g., carbon sequestered) provided, are tracked over 20‐year simulations. While both models suggest it will be difficult to meet the citywide stormwater capture goals (managing the first 2.5 cm of rainfall from 10% of impervious surfaces) in the Bronx solely through public investment in GI, Model 2 shows that by integrating GI with other city initiatives (e.g., sustainability goals and resilience planning), synergistic outcomes are possible. Specifically, Model 2 produces stormwater capture rates comparable to those obtained under Model 1, but these rates are accompanied by elevated co‐benefits for Bronx communities. The results are discussed in the context of future GI policy development in NYC.

中文翻译:

探索纽约市绿色基础设施的长期经济和社会影响

在全球范围内,城市正花费数十亿美元通过分散的绿色基础设施(GI)管理城市径流。这项研究使用基于主体的模型来探索此类城市地理标志项目的某些物理,社会和经济后果。以纽约州布朗克斯市为案例研究,比较了两种替代地理标志方法。第一个(模型1)模仿纽约市当前的GI计划,它是在城市优先的下水道集水区中机会主义地选择GI的地点。第二种方法(模型2)的地理标志选址方法在空间上更具灵活性,其中城市试图在模型1所考虑的地理区域内最大程度地获得共同收益的机会。两种方法的效果(以捕获的雨水和提供的共同利益(例如,碳固存),被跟踪超过20年的模拟。虽然两个模型都表明,仅通过对GI的公共投资将很难达到布朗克斯全市范围内的雨水捕获目标(从不透水面的10%管理前2.5厘米的降雨),但模型2显示,通过将GI与其他城市整合倡议(例如可持续性目标和复原力计划),协同结果是可能的。具体来说,模型2产生的雨水捕获率与模型1所获得的捕获率相当,但这些率伴随着布朗克斯社区的共同收益增加。在纽约市未来地理标志政策发展的背景下讨论了结果。模型2显示,仅通过对地理标志的公共投资,布朗克斯地区10%的不透水地表就有5厘米的降雨,模型2表明,通过将地理标志与其他城市计划(例如,可持续性目标和复原力计划)相结合,可能产生协同效应。具体来说,模型2产生的雨水捕获率与模型1所获得的捕获率相当,但这些率伴随着布朗克斯社区的共同收益增加。在纽约市未来地理标志政策发展的背景下讨论了结果。模型2显示,仅通过对地理标志的公共投资,布朗克斯地区10%的不透水表面就有5厘米的降雨,模型2表明,通过将地理标志与其他城市举措(例如,可持续性目标和复原力计划)相结合,可能产生协同效应。具体而言,模型2产生的雨水捕获率与模型1所获得的捕获率相当,但这些率伴随着布朗克斯社区的协同效益提高。在纽约市未来地理标志政策发展的背景下讨论了结果。但是这些比率伴随着布朗克斯社区共同利益的提高。在纽约市未来地理标志政策发展的背景下讨论了结果。但是这些比率伴随着布朗克斯社区共同利益的增加。在纽约市未来地理标志政策发展的背景下讨论了结果。
更新日期:2020-11-09
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