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Modeling the Uncertainty of Potential Impacts on Robust Stormwater Management from Neighborhood-Scale Impervious Cover Change: A Case Study of Population-Based Scenarios in Pittsburgh, Pennsylvania | |
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2021-02-04 | |
出版年 | 2021 |
国家 | 美国 |
领域 | 资源环境 |
英文摘要 | Cities increasingly face challenging regulatory requirements for their aging sewer systems. Population density and can contribute to changes in impervious cover that limit infiltration, expedite the rate of water drainage, and overwhelm the conveyance system. This work presents a method for applying high-spatial resolution population-based scenarios to pre-existing stormwater models. We explore the impact of two long-term population growth scenarios for the Pittsburgh region. We find that an extreme 79% growth in population results in 24% increase in impervious area and an 11% increase in total overflows. In contrast, a moderate 15% rise in population yields an 8% increase in impervious area and a corresponding 5% increase in overflows. As the relationship between population growth, impervious area, and total sewer overflow is non-linear, it is of critical importance to understand neighborhood-level changes. Our work fills a critical scalar gap for adding robustness analysis to these projections. |
URL | 查看原文 |
来源平台 | RAND Corporation |
文献类型 | 科技报告 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/314268 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Modeling the Uncertainty of Potential Impacts on Robust Stormwater Management from Neighborhood-Scale Impervious Cover Change: A Case Study of Population-Based Scenarios in Pittsburgh, Pennsylvania,2021. |
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