of landslide in Iran. Many of landslides are reactivated and have been triggered by human activity although always related to period of continued rainfall or other accelerated phenomena suach as earthquake. Construction of building, slope cutting, road building...

and provide a framework to control land degradation and also for identification of sustainable management. The aspect and slope can control the movement of water and material in a hillslope and contribute to the spatial differences of soil properties...

Development of human settlements, especially rural settlements has been largely dependent on ecological factors like suitable soil and water. Sabzevar region, enjoying all of these facilities, has Langley been a major human ...