Table 1. Groundwater replenishment in the Hoge Veluwe.
| |
| |
|
Land cover unit |
Area (ha) |
Net infiltration (mm/year) |
Groundwater replenishment (1000 m3)| |
| |
|
Drift sand |
59 |
740† |
437 |
|
Heather |
2279 |
310† |
7065 |
|
Grassland |
48 |
280‡ |
134 |
|
Arable land |
46 |
280‡ |
129 |
|
Deciduous forest |
613 |
362† |
2219 |
|
Coniferous forest |
2280 |
283† |
6452 |
|
Open water |
15 |
150§ |
23 |
|
Other (camping area, sport field, buildings) |
110 |
280‡ |
308 |
|
Total |
5450 |
|
16767 |
|
| |
†Source: Gehrels and Dolman (1996)
‡Source: Bastiaanssen and Roozekrans (2003)
§Source: Waterwatch (2007)
|Based on a multiplication of columns two and three.