Challenges Facing the Management of the Drainage Network: Hamidieh Modern Network, Left Side of Karkhenoor Area

With regard to the growing shortage of water resources, especially in dry and dry-half regions, the issue of amount of the existing water networks to down the basin irrigation and drainage is very important. Hamidiehmodern irrigation networks and drainage which located on the left and the right side of Karkhenoor area that exactly located on the the domain of network south Karkhe. Current research is based on the investigation and study of the on the left of Hamidieh drainage network string volume of water which exits from the network within a period of 5 year (2005-2012) are analyzed. The average was 0.52 which is 0.15 the lowest extent of the congregation of the salt marshes in the region have been assumed to be. Based on this result, the lack of water resources is obvious for mentioned region, therefore in order to improve of performance of irrigation drainage network, some changes are necessary in the program of the Water Distribution and control. Regarding to high volume of drainage in January and February, mainly due to the simultaneity of the seasonal rainfall, injection of superficial water runoff from outside into the main drainage channel and to some extent lack of reduction in the time of entrance to the irrigation canals of the water distribution network factors.