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Integration of 3-PG into SWAT to simulate the growth of evergreen forests

Watson, Brett, Coops, Nicholas, Selvalingam, Selvadore and Ghafouri, Mohammad 2005, Integration of 3-PG into SWAT to simulate the growth of evergreen forests, in SWAT 2005 : 3rd International SWAT Conference, USDA-ARS Research Lab, Temple, Tex., pp. 142-152.

Document type: Conference Paper
Collection: School of Engineering and Information Technology
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Title Integration of 3-PG into SWAT to simulate the growth of evergreen forests
Author(s) Watson, Brett
Coops, Nicholas
Selvalingam, Selvadore
Ghafouri, Mohammad
Conference name International SWAT Conference (3rd : 2005 : Zurich, Switzerland)
Conference location Zurich, Switzerland
Conference dates July 13-15 2005
Title of proceedings SWAT 2005 : 3rd International SWAT Conference
Editor(s) Srinivasan, Raghavan
Jacobs, Jennifer
Day, Danya
Abbaspour, Karim
Publication date 2005
Start page 142
End page 152
Total pages 716 p.
Publisher USDA-ARS Research Lab
Place of publication Temple, Tex.
Summary SWAT cannot accurately simulate the seasonal fluctuations or the long-term trend of the Leaf Area Index (LAI) of evergreen forests. This deficiency has detrimental impacts for the prediction of interception and transpiration, two processes that have a significant influence on catchment water yield. This paper details the integration of the forest growth model 3-PG with SWAT to improve the simulation of LAI for evergreen forests. The integrated model, called SWAT/3-PG, was applied to the Woady Yaloak River Catchment in southern Australia where eucalyptus forests and pine plantations account for 30% of the total land use. SWAT/3-PG simulated the LAI of eucalypts and pines more accurately and realistically than the original version of SWAT. Forest LAI simulated by SWAT/3-PG agreed reasonably well with estimates of forest LAI derived independently from a Landsat satellite image. SWAT/3- PG has considerable value as a tool that managers can utilise to predict the impacts of land use change in catchments where evergreen forests are prevalent.
Notes This paper is located on the 168th page in the attached pdf.
ISBN 1933570431
9781933570433
Language eng
Field of Research 040608 Surfacewater Hydrology
HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2005, SWAT
Persistent URL http://hdl.handle.net/10536/DRO/DU:30014646
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