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Spatiotemporal characteristics of Universal Thermal Climate Index during five-year return period extreme heat events in the Beijing-Tianjin-Hebei region

Yiguo Xu Liqing Tian Tingru Cui Jun Zhang Hui Zhang Yating Wang Rui Wang

大气和海洋科学快报（英文版）2025，Vol.18Issue(3)：66-72,7.
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大气和海洋科学快报（英文版）2025，Vol.18Issue(3)：66-72,7.DOI:10.1016/j.aosl.2025.100612

Spatiotemporal characteristics of Universal Thermal Climate Index during five-year return period extreme heat events in the Beijing-Tianjin-Hebei region

Spatiotemporal characteristics of Universal Thermal Climate Index during five-year return period extreme heat events in the Beijing-Tianjin-Hebei region

Yiguo Xu 1Liqing Tian 2Tingru Cui 3Jun Zhang 4Hui Zhang 3Yating Wang 3Rui Wang3

作者信息

  • 1. China Meteorological Administration Xiong'an Atmospheric Boundary Layer Key Laboratory,Xiong'an New Area,China||Key Laboratory of Meteorology and Ecological Environment of Hebei Province,Shijiazhuang,China||Key Laboratory of intelligent Monitoring and Service on Ecological Meteorology of Baoding,Baoding,China||Baoding Meteorological Bureau,Baoding,China
  • 2. Key Laboratory of Meteorology and Ecological Environment of Hebei Province,Shijiazhuang,China||Hebei Meteorological Bureau,Shijiazhuang,China
  • 3. Key Laboratory of intelligent Monitoring and Service on Ecological Meteorology of Baoding,Baoding,China||Baoding Meteorological Bureau,Baoding,China
  • 4. Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing,China
  • 折叠

摘要

Abstract

本研究旨在探讨京津冀地区五年一遇极端高温事件期间通用热气候指数的时空特征,弥补极端高温条件下人类热舒适度动态变化研究的不足.基于40年174站点数据,采用非平稳广义极值(GEV)分布模型,通过赤池信息准则选取最优模型,识别出16次极端高温事件.结果表明,极端高温阈值随重现期延长而升高,北京,石家庄周边最高.气温和平均辐射温度是UTCI主导因素,极端高温热应力主要分布于北京东南部平原及河北南部,UTCI在12至16时达峰值,00至06时降至"无热应力"水平.本研究为高温应对提供了科学支撑.

关键词

广义极值分布/重现期/极端高温/通用热气候指数

Key words

Generalized Extreme Value distribution/Return period/Extreme heat/Universal Thermal Climate Index

引用本文复制引用

Yiguo Xu,Liqing Tian,Tingru Cui,Jun Zhang,Hui Zhang,Yating Wang,Rui Wang..Spatiotemporal characteristics of Universal Thermal Climate Index during five-year return period extreme heat events in the Beijing-Tianjin-Hebei region[J].大气和海洋科学快报（英文版）,2025,18(3):66-72,7.

基金项目

This research was supported by the Hebei Provincial Key Re-search and Development Program[grant numbers 23375401D and 22375404D].the China Meteorological Administration[grant number FPZJ2024-011].and the Hebei Meteorological Bureau[grant number 21ky32]. （）

大气和海洋科学快报（英文版）

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