Incorporating uncertainty from downscaled rainfall projections into climate resilience planning in U.S. cities

نویسندگان

چکیده

Abstract The planning, design, and maintenance of stormwater infrastructure must be informed by changing rainfall patterns due to climate change. However, there is little consensus on how future information should used, or uncertainties introduced use different methods datasets characterized managed. These exacerbate existing challenges using local municipal scales. Here we analyze major cities in the U.S., 48 which developed adaptation resilience plans. Given prevalence depth duration frequency (DDF) curves for planning rainfall, then assessed underlying used these plans show DDF resulting outcomes can affected stakeholders’ methodological choices datasets. For extremes, many varied trend detection method, data preprocessing steps, size study area, all only one available downscaled projection We evaluate implications across five level extreme depends dataset selected each city. produce risk matrices a broader set 77 U.S. highlight strategies decisions are sensitive To help overcome barriers information, provide an open daily values 2-, 5-, 10-, 25-, 50-, 100 years annual recurrence intervals compare that city comparison robust planning. Because uncertainty projections, our results importance no-regret flexible adjusted with new information.

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ژورنال

عنوان ژورنال: Environmental research: infrastructure and sustainability

سال: 2022

ISSN: ['2634-4505']

DOI: https://doi.org/10.1088/2634-4505/ac8a6c