Document Detail


Runoff characteristics and application of HEC-HMS for modelling stormflow hydrograph in an oil palm catchment.
MedLine Citation:
PMID:  17978431     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Rainfall-runoff processes in a small oil palm catchment (8.2 ha) in Johor, Malaysia were examined. Storm hydrographs show rapid responses to rainfall with a short time to peak. The estimated initial hydrologic loss for the oil palm catchment is 5 mm. Despite the low initial loss, the catchment exhibits a high proportion of baseflow, approximately 54% of the total runoff. On an event basis, the stormflow response factor and runoff coefficient ranges from 0.003 to 0.21, and 0.02 to 0.44, respectively. Peakflow and stormflow volume were moderately correlated with rainfall. The hydrographs were satisfactorily modelled using the Hydrologic Engineering Centre-Hydrologic Modelling System (HEC-HMS). The efficiency indexes of the calibration and validation exercises are 0.81 and 0.82, respectively. Based on these preliminary findings, it could be suggested that an oil palm plantation would be able to serve reasonably well in regulating basic hydrological functions.
Authors:
Z Yusop; C H Chan; A Katimon
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Water science and technology : a journal of the International Association on Water Pollution Research     Volume:  56     ISSN:  0273-1223     ISO Abbreviation:  Water Sci. Technol.     Publication Date:  2007  
Date Detail:
Created Date:  2007-11-05     Completed Date:  2008-02-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9879497     Medline TA:  Water Sci Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  41-8     Citation Subset:  IM    
Affiliation:
Institute of Environmental and Water Resource Management (IPASA) Univeristi Teknologi Malaysia, Skudai 81310 Johor, Malaysia. zulyusop@utm.my
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MeSH Terms
Descriptor/Qualifier:
Models, Theoretical*
Plant Oils*
Rain*
Water Movements*
Water Supply*
Chemical
Reg. No./Substance:
0/Plant Oils; 8002-75-3/palm oil

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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