Figure 7 - available via license: Creative Commons Attribution 4.0 International
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Outlet opening of the sluice barrel of the Eru väwa tank sluice, still in the original condition. Picture by the author.
Source publication
As a measure of reducing the foreign trade deficit and to augment the usable land for commercial plantations, nineteenth century British authorities attempted to restore the irrigation system that prevailed in Sri Lanka since the Early Historic Period. In so doing, neither the system components were subjected to any hydraulic engineering analysis n...
