ERA5‐HEAT: A global gridded historical dataset of human thermal comfort indices from climate reanalysis

Napoli, Claudia Di; Barnard, Christopher; Prudhomme, Christel; Cloke, Hannah; Pappenberger, Florian

doi:10.1002/gdj3.102

Cited by 147 publications

(141 citation statements)

References 43 publications

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“…It is interesting to note the high correlations (0.88-0.99) across the 10 HDIs in this study. It is also worth noting that although MRT is a component used in the computation of UTCI [36], the correlation between the two is only marginally higher (0.88) compared to the moderately high correlations between each of the 10 HDIs and UTCI/MRT (0.60-0.66). Readers are cautioned though that the spatial correlations shown in Figure 4 Figure 3, using R "raster" [89], "sp" [90,91] packages, with the plot created using R "corrplot" [92] package.…”

Section: Technical Validationmentioning

confidence: 99%

“…Given the lack of any other publicly available regional or global historical dataset incorporating the HDIs discussed in this article, a direct comparison of the indices in HDI_0p25_1970_2018 either at point-specific locations or at aggregated gridded scale is currently not feasible. The HDIs are instead compared with the two HDIs UTCI and MRT recently made available by the Copernicus CDS [36,37]. Maps in Figure 3 Given the lack of any other publicly available regional or global historical dataset incorporating the HDIs discussed in this article, a direct comparison of the indices in HDI_0p25_1970_2018 either at point-specific locations or at aggregated gridded scale is currently not feasible.…”

Section: Technical Validationmentioning

confidence: 99%

“…Maps in Figure 3 Given the lack of any other publicly available regional or global historical dataset incorporating the HDIs discussed in this article, a direct comparison of the indices in HDI_0p25_1970_2018 either at point-specific locations or at aggregated gridded scale is currently not feasible. The HDIs are instead compared with the two HDIs UTCI and MRT recently made available by the Copernicus CDS [36,37]. Maps in Figure 3 below show the heat-stress over western and central Europe, well documented for the 2003 heatwave .…”

Section: Technical Validationmentioning

confidence: 99%

“…The daily timescales of the HDIs in this study may therefore make the data less suitable for attribution of health outcomes on intra-day extremes of thermal discomfort levels. For such applications, users are recommended to explore other datasets at sub-daily timescales (e.g., ERA5-HEAT [36]).…”

Section: Scope Of Applicationmentioning

confidence: 99%

“…This is particularly true for global datasets covering a long historical time series, derived from the same underlying observation-based data source, thus offering the health impacts community with a consistent homogenous spatiotemporal record of HDIs. An exception is "ERA5-HEAT" [36] which includes two HDIs (Universal Thermal Climate Index-UTCI and Mean Radiant Temperature-MRT) at 0.25 • global gridded resolution, spanning years 1979-2019, made recently available through the Copernicus Climate Data Store (CDS) [37] at hourly timescales.…”

Section: Introductionmentioning

confidence: 99%

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A High Spatiotemporal Resolution Global Gridded Dataset of Historical Human Discomfort Indices

Mistry

2020

Atmosphere

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Meteorological human discomfort indices or bioclimatic indices are important metrics to gauge potential risks to human health under varying environmental thermal exposures. Derived using sub-daily meteorological variables from a quality-controlled reanalysis data product (Global Land Data Assimilation System—GLDAS), a new high-resolution global dataset referred to as “HDI_0p25_1970_2018” is presented in this study. The dataset includes the following daily indices at 0.25° × 0.25° gridded resolution: (i) Apparent Temperature indoors (ATind); (ii) two variants of Apparent Temperature outdoors in shade (ATot); (iii) Heat Index (HI); (iv) Humidex (HDEX); (v) Wet Bulb Temperature (WBT); (vi) two variants of Wet Bulb Globe Temperature (WBGT); (vii) Thom Discomfort Index (DI); and (viii) Windchill Temperature (WCT). Spanning 49 years over the period 1970–2018, HDI_0p25_1970_2018 fills gaps in existing climate indices datasets by being the only high-resolution historical global-gridded daily time-series of multiple human discomfort indices based on different meteorological parameters, thus offering applications in wide-ranging climate zones and thermal-comfort environments.

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Section: Technical Validationmentioning

confidence: 99%

Section: Technical Validationmentioning

confidence: 99%

Section: Technical Validationmentioning

confidence: 99%

Section: Scope Of Applicationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A High Spatiotemporal Resolution Global Gridded Dataset of Historical Human Discomfort Indices

Mistry

2020

Atmosphere

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Global near real‐time daily apparent temperature and heat wave dataset

Yin

Yang

Chen

et al. 2022

Geoscience Data Journal

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Temperature is the most concerned factor in the human–environment interactions. Apparent temperature accounting for other meteorological variables, such as humidity, wind speed and solar radiation, is the equivalent temperature, and it is a more accurate indicator to reflect human's environmental temperature perception. High‐quality apparent temperature data are urgently needed for the further research on human–environment interactions. At the same time, as global heat waves continue to increase in frequency, duration and intensity, understanding the impact of heat waves on human health needs human perception‐based heat wave data. Using ERA5 hourly data on single levels of 2 m temperature, wind speed, dewpoint temperature and solar radiation, this study developed a global apparent temperature and heat wave (GATHW) toolbox based on the Climate Data Store (CDS) online platform. This toolbox allows using three methods to calculate daily apparent temperature and heat wave at three spatial resolutions of 0.25°, 0.5° and 1° respectively. It can realize online calculation, display and real‐time download and is updated in near real‐time. The global daily apparent temperature and annual heat wave dataset from 2006 to 2020 calculated by the toolbox can be obtained from https://www.doi.org/10.5281/zenodo.4764325. After evaluation, this dataset can well reflect the typical extreme temperatures and heat wave events, and is more accurate, with higher resolution and faster update frequency than similar data products, which can provide data support for the study of human–environmental interactions and extreme climate events.

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A 41‐year bioclimatology of thermal stress in Europe

Antonescu

Mărmureanu

Vasilescu

et al. 2021

Intl Journal of Climatology

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The bioclimatology of thermal stress over Europe between 1979 and 2019 was analysed using the Universal Thermal Climate Index (UTCI) derived from ERA5‐HEAT reanalysis. The bioclimatology of different European regions was assessed using Köppen–Geiger climate classification. The annual number of hours with heat stress (UTCI > 32°C) increased significantly during the study period for all the analysed Köppen–Geiger climate subclasses, showing also a clear increase towards southern Europe. The highest percentage of hours (20% of all hours) with cold stress (UTCI < −13°C) occur over northern Europe. A significant increasing trend (>0.05 hr·year−1) in the number of hours with heat stress was observed for 23 out of 32 analysed European cities representative for the Köppen–Geiger climate subclasses. For these cities not only the number of hours with heat stress has increased but also the heat stress is more persistent, while the number of cases and the persistence of the periods with cold stress have decreased over the last four decades. The UTCI values showed a statistically significant increase between 0.6 and 3.2°C for all the analysed cities over the study period reflecting the rising of global mean temperatures.

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ERA5‐HEAT: A global gridded historical dataset of human thermal comfort indices from climate reanalysis

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 147 publications

References 43 publications

A High Spatiotemporal Resolution Global Gridded Dataset of Historical Human Discomfort Indices

A High Spatiotemporal Resolution Global Gridded Dataset of Historical Human Discomfort Indices

Global near real‐time daily apparent temperature and heat wave dataset

A 41‐year bioclimatology of thermal stress in Europe

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