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Spatial Analysis of Post-Hurricane Katrina Thermal Pattern and Intensity in Greater New Orleans: Implications for Urban Heat Island Phenomenon.

机译:大新奥尔良飓风后卡特里娜飓风热型和强度的空间分析:对城市热岛现象的启示。

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摘要

In 2005, Hurricane Katrina's diverse impacts on the Greater New Orleans area included damaged and destroyed trees, and other despoiled vegetation, which also increased the exposure of artificial and bare surfaces, known factors that contribute to the climatic phenomenon known as the urban heat island (UHI). This is an investigation of UHI in the aftermath of Hurricane Katrina, which entails the analysis of pre and post-hurricane Katrina thermal imagery of the study area, including changes to surface heat patterns and vegetative cover. Imagery from Landsat TM was used to show changes to the pattern and intensity of the UHI effect, caused by an extreme weather event. Using remote sensing visualization methods, in situ data, and local knowledge, the author found there was a measurable change in the pattern and intensity of the New Orleans UHI effect, as well as concomitant changes to vegetative land cover. This finding may be relevant for urban planners and citizens, especially in the context of recovery from a large-scale disaster of a coastal city, regarding future weather events, and other natural and human impacts.
机译:2005年,卡特里娜飓风对大新奥尔良地区造成的各种影响包括受损和毁坏的树木以及其他已损坏的植被,这也增加了人造表面和裸露表面的暴露,这是导致气候现象的已知因素,被称为城市热岛( UHI)。这是对卡特里娜飓风之后的UHI的调查,该分析需要分析研究区域卡特里娜飓风前后的热图像,包括地表热模式和植物覆盖度的变化。来自Landsat TM的图像用于显示由极端天气事件引起的UHI效应的模式和强度的变化。利用遥感可视化方法,原位数据和当地知识,作者发现新奥尔良UHI效应的模式和强度发生了可测量的变化,同时植被的土地覆被也发生了变化。这一发现可能与城市规划者和市民有关,特别是在从沿海城市的大规模灾难中恢复之后,涉及未来的天气事件以及其他自然和人类影响。

著录项

  • 作者

    Lief, Aram Parrish.;

  • 作者单位

    University of New Orleans.;

  • 授予单位 University of New Orleans.;
  • 学科 Remote Sensing.;Meteorology.;Climate Change.;Geography.
  • 学位 Ph.D.
  • 年度 2014
  • 页码 190 p.
  • 总页数 190
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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