Publicação
Modelling interception loss from evergreen oak Mediterranean savannas: application of a tree-based modelling approach
| dc.contributor.author | Pereira, F.L. | |
| dc.contributor.author | Gash, J.H.C. | |
| dc.contributor.author | David, J.S. | |
| dc.contributor.author | David, T.S. | |
| dc.contributor.author | Monteiro, P.R. | |
| dc.contributor.author | Valente, F. | |
| dc.date.accessioned | 2015-07-24T14:35:24Z | |
| dc.date.available | 2015-07-24T14:35:24Z | |
| dc.date.issued | 2009 | |
| dc.description.abstract | In a previous study, it was shown that an isolated, fully saturated tree-crown behaves like a wet bulb, allowing evaporation of intercepted rainfall to be estimated by a simple diffusion equation for water vapour. This observation was taken as the basis for a new approach in modelling interception loss fromsavanna-type woodland, whereby the ecosystem evaporation is derived by scaling up the evaporation from individual trees, rather than by considering a homogeneous forest cover. Interception loss from isolated trees was estimated by combining the aforementioned equation for water vapour flux with Gash’s analytical model. A new methodology, which avoids the subjectivity inherent in the Leyton method, was used for estimating the crown storage capacity. Modelling performance was evaluated against data from two Mediterranean savanna-type oak woodlands (montados) in southern Portugal. Interception loss estimates were in good agreement with observations in both sites. The proposed modelling approach is physically based, requires only a limited amount of data and should be suitable for the modelling of interception loss in isolated trees and savannatype ecosystems | por |
| dc.identifier.citation | "Agricultural and Forest Meteorology". ISSN 0168-1923. 149 (2009) 680-688 | por |
| dc.identifier.doi | 10.1016/agrformet.2008.10.014 | |
| dc.identifier.uri | http://hdl.handle.net/10400.5/9065 | |
| dc.language.iso | eng | por |
| dc.peerreviewed | yes | por |
| dc.publisher | Elsevier | por |
| dc.subject | rainfall interception | por |
| dc.subject | isolated trees | por |
| dc.subject | savannas | por |
| dc.subject | Quercus ilex | por |
| dc.subject | wet bulb temperature | por |
| dc.subject | Gash analytical model | por |
| dc.title | Modelling interception loss from evergreen oak Mediterranean savannas: application of a tree-based modelling approach | por |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.title | Agricultural and Forest Meteorology | por |
| rcaap.rights | openAccess | por |
| rcaap.type | article | por |