1979-2020年全球高温热浪指标数据集

以CPC数据为基础数据，将最高气温高于32℃视为一个高温日。选择1979-2008年连续30年作为历史基准期，忽略闰日，依据该基准期以15天滑动窗口计算日最高气温的90%分位数作为每一日期的高温气候阈值。定义连续3天及以上超过气候阈值的高温日为一次高温热浪事件，所有的高温热浪在像元尺度上进行计算。包含有高温热浪的强度、频率和持续时间三个维度的系列指标。

Using CPC data as the foundational dataset, a day with daily maximum temperature exceeding 32 °C is defined as a high-temperature day. A consecutive 30-year period from 1979 to 2008 was selected as the historical baseline period, with leap days excluded. For each calendar date, the 90th percentile of daily maximum temperatures during the baseline period was calculated via a 15-day sliding window, which served as the high-temperature climatic threshold for that specific date. A heatwave event is defined as three or more consecutive high-temperature days that exceed the climatic threshold, with all heatwave assessments conducted at the pixel scale. The dataset encompasses a suite of indicators across three key dimensions: heatwave intensity, frequency, and duration.

搜集汇总

背景与挑战

背景概述

该数据集覆盖1979年至2020年，基于CPC数据定义高温热浪事件，以连续3天及以上超过历史基准期高温气候阈值的高温日为标准。它提供了全球范围内高温热浪的强度、频率和持续时间三个维度的系列指标，以栅格格式存储。