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| Titel |
30 years of forest hydrology changes at Coalburn: water balance and extreme flows |
| VerfasserIn |
M. Robinson |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 2, no. 2/3 ; Nr. 2, no. 2/3, S.233-238 |
| Datensatznummer |
250000351
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| Publikation (Nr.) |
 copernicus.org/hess-2-233-1998.pdf |
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| Zusammenfassung |
| The Coalburn experimental catchment, located in
the Kielder Forest in northern Britain, was established in 1967 to study the hydrological
impacts of upland coniferous plantation forestry. Results of 30 years' study (1967–96) are
presented; they cover the transformation of the catchment from rough grazing through
drainage and planting with conifers in 1972–73 and the subsequent forest development to
canopy closure. In the early years of forest growth, the pre-planting forestry drainage
dominated the hydrology and the observed changes were quite different from those normally
associated with forestry; catchment evaporation was reduced, stream stormflow response
times were shortened and dry weather baseflows were enhanced. These effects were sustained
for an unexpectedly long period-up to one half of the forest plantation cropping cycle -
before being reversed by the increasing influence of the growing forest. These results
indicate that significant areas of young plantation forests may function hydrologically in
ways very different from what is generally assumed from studies of mature forests. For
large plantations, a mixed age forest structure may have hydrological as well as
environmental advantages. |
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