پهنه بندي ژيومورفولوژيكي دشت ملكان به منظور ارزيابي قابليت كشاورزي با استفاده از GIS

The Geomorphological zoning of Malekan Plain for assessment Agriculture Ability by using GIS

The fans are very suitable for humanities settlements and agricultures activities. Knowledge processes and characteristics these landforms for determine land use abilities are very important for stable developmentʹs aims. In this research we studied geomorphological characteristics of Malekan plain in East of Uromiye Lake for land use planning. The evaluation landforms on this plain effective by Mardagh Chay River and water level changes of Uromiye Lake. Studies shows the level of ground salty waters is about 1.5 to 5 meters. For determine the agricultural land uses, we used zoning method by overlying dataʹs. The soil, geology, ground water qualities, ground water levels and slope and height of fans surfaces are important factors in this study. These factors classified in five group and then overlaying to gather by GIS softwareʹs. The result shows 18% of lands are very low abilities and 16% low, 25% moderate, 26% good and 13% have very good abilities for agriculture. Land use map shows the 60% of lands have moderate qualitative, and this problem shows the effects of salty ground waters for essential factor in land use planning and agriculture activities in this area