The effect of land use change on Geomorphological state in the Kor River

Background/goal: Study of temporal and spatial changes in land use, provides important information about changes in the river channel geomorphology. Therefore, in this research, the role of artificiality and especially land use change on geomorphologic state in the Kor River (Upstream of the Droodzan Dam - Fars Province) as one of the important agricultural and tourism region and the important water source in the north of Fars province have been investigated.
Methodology/design: Remote sensing analysis, GIS tools, and environmental statistics and information also Rosgen morphological method were used to investigate the river morological changes.
Findings: The results of Rosgen geomorphological assessment showed that during the study time, maximum geomorphologic changes in levels one and two of Rosgen morphological method were for reach number of 1 and 2 and then reach number of 4, 5 and 3 are priority in the Kor River, respectively. Because of the erosion of the bank in all the reaches, Significant lateral and longitudinal alteration occurred, and the maximum alteration are related to reach number 2, 1, 3, 4, and 5, respectively.
The alteration were due to slope change, hydrological regime, suspended and bed load, invasion to the boundaries of the river boundary and the presence of the dam.