Assessment the irrigation and drainage networks in al-manathera district using GIS

الملخص EN

This work is carried out in Al-Manathira Center (which includes Al-Heera sub district, Al-Mishkahab sub district, and Al-Qadisiya sub district) located in Najaf governorate.

This study concern in the irrigation and drainage networks and their installations.

For this region the study is presented by two stages for standing on important problems for irrigation and drainage projects.

The first stage is to describe the irrigation networks and identify the unemployed parts need repair and which parts need to be replaced, where Arc map GIS version 10.2 can be used to create geo-database for the irrigation and drainage network, their installations, recorded Regulators and pumps performance.

Installations of irrigation and drainage network need maintenance, feature class of Arc map GIS recorded: 5 Regulators,1 Pump station.

While the second stage is to describe the drainage networks and determine their efficiency.

Finally, the effect of this is on the amount of water leaking, the area of cultivated land and the impact on the quantity of the crops.