Interlinked ArcGIS and AutoCad Application in improving Irrigation Scheme Precision in Case of Wonji Shoa


Gemechis Tesema and Mangistu Bosie

This paper was initiated with specific aim of increasing the precision of irrigation scheme specifically infield irrigation management. In achieving such objective profound software like AutoCAD, ArcGIS and CROPWAT were used with respective their input data. Through interlinking the output of AutoCAD that is field layout map which give no information about the Soil Class of the field, and ArcGIS output that is soil management group which lacks the specificity of the field, the enhancement of infield irrigation precision was achieved as the information contained in both maps were mingled/associated to gather. Finally old Soil cycle map was substituted with to field level detailed Soil management group and irrigation interval, depth, and cutoff time were determined and recommended to Wonji Sugar Estate.

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