| Sector | Infrastructure and transport | ||||||
| Description | Number of days with 2 m air temperatures on both sides of 0 °C. | ||||||
| End User | Nordic road administrations | ||||||
| Calculation method | ID | Title | Period | Statistical processing | Unit | Threshold | Comment |
| zerocrossings | Number of days on both sides of 0 °C | yearly | Days with temperatures on both side of zero (requires daily max and daily min temp). | days |
Only evaluated during winter months. |
||
| Provenance | Theese indicators are based on output from the Harmonie meteorological modell. | ||||||
| Validation | The simulations made by HARMONIE-AROME in Urban SIS has been validated against observations in Urban SIS deliverable 5.1, where an overview is given in Table 4. | ||||||
| Calculation caveats | Spatial representation: S1 Other caveats: Could be compared to: Could be used with: |
||||||
| Motivation |
When temperature often changes around 0 °C, it has consequences for winter road maintenance. Examples are thaw/freezing cycles affecting the road icing conditions, increasing the deterioration of road surfaces. |
||||||
| Experience user | |||||||
| References | |||||||
Posted in Uncategorized.