Nolensville_Heat_Risk_Index_2026
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This heat risk layer was calculated using tree canopy coverage from classified 2023 NAIP imagery and enriched variables: 2025 population age 0–4, 2025 households with central air conditioning, 2023 households with income below the poverty level, and 2023 homeowners without a vehicle (ACS 5-Year). Average June–August temperatures from Multispectral Landsat imagery (2014–2024), combined with tree canopy and enriched variables, were used to formulate this feature class for Nolensville, TN.
本热风险图层基于经分类处理的2023年美国国家农业航空影像计划(National Agriculture Imagery Program, NAIP)影像提取的树冠覆盖率,结合以下增强特征变量计算得到:2025年0-4岁人口数、2025年配备中央空调的家庭户数、2023年收入低于贫困线的家庭户数,以及2023年无车房主户数(数据源自美国社区调查5年数据集,American Community Survey, ACS)。本研究将2014-2024年多光谱Landsat影像反演得到的6-8月平均气温,与树冠覆盖率及上述增强特征变量相结合,为田纳西州诺伦斯维尔市构建了该要素类。



