Journal article
Flow and solute transport through the soil matrix and macropores of a hillslope segment
Water Resources Research, Vol.30(4), pp.879-890
1994
Abstract
Matrix flow dominated discharge from the soil pit during tracer tests. However, during wet periods with upslope drainage, macropores contributed proportionally more flow than during periods when upslope drainage was minimal. Outflow from macropores during the test with wet antecedent conditions had lower Cl- concentrations than drianage from the soil matrix, suggesting dilution in macropores from upslope drainage. Effective pore volumes calculated for the flow-averaged breakthrough data from the entire profile were much less than the estimates of total volume of pore water, suggesting that preferential flow significantly contributed to subsurface transport. The pore volume for the entire profile increased only slightly with increasing application rate; however, the relative proportions of pore volumes calculated for individual portions varied proportionally to antecedent hydrologic conditions. -from Authors
Details
- Title
- Flow and solute transport through the soil matrix and macropores of a hillslope segment
- Authors
- Y Tsuboyama (Author)Roy C Sidle (Author)S Noguchi (Author)I Hosoda (Author)
- Publication details
- Water Resources Research, Vol.30(4), pp.879-890
- Publisher
- Wiley-Blackwell Publishing Inc.
- Date published
- 1994
- DOI
- 10.1029/93WR03245
- ISSN
- 0043-1397
- Organisation Unit
- University of the Sunshine Coast, Queensland; Sustainability Research Cluster
- Language
- English
- Record Identifier
- 99449467902621
- Output Type
- Journal article
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