MeetjeStad tree trunk diameter graphs
Legenda:
| Function | A displacement potentiometer is used to measure the tree trunk diameter over time |
| Tree species | Esdoorn (Aceracea) |
| Trunk diameter formula 1 (2022) | 143.46 - 3.1442 * ((displacement/1024) * 10.0 + 28.4) |
| Trunk diameter formula 2 (Feb. 2023) | 2 * (17.45 - 3.419 * (displacement/1024)) |
| Trunk diameter formula 3 (Mar. 2023) | -3.3585 * (displacement/1024) + 32.36 |
| Trunk diameter formula 4 (2 Dec. 2023) | -2.8575 * (displacement/1024) + 34.728 |
| Trunk diameter unit | cm |
| Temperature | near the trunk, in Celcius |
| Rainfall | from the KNMI in de Bilt, incremental in mm, applying a 7-day absorbtion decay |
| Sunshine | from the KNMI in de Bilt, in W/m2 (J per cm2 per hour / 0.36) |
|
measurements of the last 4 days measurements of the last 2 weeks measurements of the last 2 months measurements of the last 6 months |
