Table 1.
Information on the examined meteorological variables from the CMA observations and ERA5-Land reanalysis.
| Meteorological variable (abbreviation) | Description | Unit |
|---|---|---|
| CMA | ||
| Precipitation (P) | The total amount of precipitation accumulated over a day | 0.1 mm |
| Wind speed (W) | Mean wind speed of a day at a height of 10 m above the Earth’s surface | 0.1 m/s |
| Mean air temperature (T) | The mean air temperature of a day | 0.1 ℃ |
| Maximum air temperature (Tmax) | The maximum air temperature of a day | 0.1 ℃ |
| Minimum air temperature (Tmin) | The minimum air temperature of a day | 0.1 ℃ |
| Total surface solar radiation (R) | Cumulative component of total radiation irradiance per unit area over a given period | 0.01 MJ/m2 |
| ERA5-Land | ||
| Total precipitation (P) | Accumulated liquid and frozen water, including rain and snow, that falls to the Earth’s surface | m |
| 10 m u-component of wind (Wu) | The horizontal speed of air moving towards East, at a height of ten meters above the Earth’s surface | m/s |
| 10 m v-component of wind (Wv) | The horizontal speed of air moving towards North, at a height of ten meters above the Earth’s surface | m/s |
| 2 m temperature (T) | Air temperature at 2 m above the Earth’s surface | K |
| Surface solar radiation downwards (R) | The amount of solar radiation reaching the Earth’s surface comprises direct and diffuse solar radiation | J/m2 |