Soil pipes and their role in runoff generation and chemical denudation in a humid tropical catchment in dominica

Soil pipes and their role in runoff generation and chemical denudation in a humid tropical... Numerous soil pipes are reported from a small catchment in an area of kandoid (kaolin‐rich) soils and 2375 mm annual rainfall in the humid tropical volcanic island of Dominica, West Indies. Two spot surveys in August 1982 at baseflow during the wet season indicated that pipes contributed at least 14–16 per cent of streamflow. Sampled pipeflow was of similar chemical composition to the baseflow‐dominated streamwater. Specific conductance (249–420 μS cm−1) and silica (75 mg l−1) levels of pipeflow were high and suggested that the pipes tapped solute‐rich water close to the soil‐rock interface. The principal pipes flow perennially and showed little response to daily rainfalls of up to 43 mm during the monitoring period. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Earth Surface Processes and Landforms Wiley

Soil pipes and their role in runoff generation and chemical denudation in a humid tropical catchment in dominica

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Publisher
Wiley
Copyright
Copyright © 1988 John Wiley & Sons, Ltd
ISSN
0197-9337
eISSN
1096-9837
DOI
10.1002/esp.3290130103
Publisher site
See Article on Publisher Site

Abstract

Numerous soil pipes are reported from a small catchment in an area of kandoid (kaolin‐rich) soils and 2375 mm annual rainfall in the humid tropical volcanic island of Dominica, West Indies. Two spot surveys in August 1982 at baseflow during the wet season indicated that pipes contributed at least 14–16 per cent of streamflow. Sampled pipeflow was of similar chemical composition to the baseflow‐dominated streamwater. Specific conductance (249–420 μS cm−1) and silica (75 mg l−1) levels of pipeflow were high and suggested that the pipes tapped solute‐rich water close to the soil‐rock interface. The principal pipes flow perennially and showed little response to daily rainfalls of up to 43 mm during the monitoring period.

Journal

Earth Surface Processes and LandformsWiley

Published: Feb 1, 1988

References

  • Soil piping and stream channel initiation
    Jones, Jones

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