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A throughout description of the database can be found in:
Di Napoli C, Barnard C, Prudhomme C, Cloke HL and Pappenberger F (2021) ERA5-HEAT: A global gridded historical dataset of human thermal comfort indices from climate reanalysis. Geoscience Data Journal 8: 2–10. https://doi.org/10.1002/gdj3.102 |
Methodology
The process to generate this dataset involves:e
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Thermal comfort indices time-series derived from ERA5 reanalysis
Spatial grid
The parameters have a grid of 0.25 degrees.
Please be aware when you select a "Location" on the form, the latitude and longitude values are rounded to the closest neighbourhood point of the 0.25 degrees grid.
Temporal frequency
Temporal frequency of the data is hourly and every day has 24 hourly steps.
Data format
In the CDS, there are the options of retrieving the data in netCDF format or CSV format.
Thermal comfort indices descriptions
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Figure 1 Graphical explanation of the mean radiant temperature (MRT). Adapted from [4].
Summary variable table
Variable | Description | UNIT |
Mean radiant temperature | Numerical representation of how human beings experience radiation. It applies to a human subject placed in an outdoor environment and irradiated by solar and thermal radiation both directly and diffusely. | K |
Universal thermal climate index | Numerical representation of the thermal comfort/discomfort perceived by a human subject when exposed to outdoor conditions. It is based on a state-of-the-art model that simulates human body’s physiological responses to air temperature, humidity, wind speed and radiation. | K |
Thermal comfort indices algorithm
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The Timeseries will continue to be extended by the intermediate dataset when it becomes available.
When Consolidated data becomes available, the intermediate data within the timeseries will be replaced, we will add here if there are any differences to the intermediate and consolidated.
Users should consider that any intermediate data is subject to change.
Available Versions
The Timeseries is based upon the Consolidated dataset and Intermediate extension of Version 1.1 of the original dataset.
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