تحلیل تاثیرات زمین ساخت فعال و تغییر اقلیم بر مورفولوژی و شبکه هیدروگرافی حوضه کردان(مقاله علمی وزارت علوم)
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IntroductionGeomorphological indicators are useful tools in evaluating and identifying the effects of relatively sudden or gradual tectonic activities. The behavior of the drainage network is one of the parameters that is very sensitive to tectonic activities and shows the effects of duration and intensity of these factors. Among the geomorphological evidences of active tectonics of drainage networks and their related features such as drainage pattern, drainage density, drainage anomalies, connection method (connecting angle of networks) and direction of networks play an important role in identifying active tectonics and their spatial differences. Many studies have been carried out in the fields of the effect of tectonic factors on the ratio of branches, drainage density, hypsometric integral of river networks, response of drainage networks, and characteristic of hierarchical anomaly, branching index, to investigate the tectonic impact in four drainage basins and related fields. In addition to these parameters, by using the research results of other researchers and the reconstruction of the paleoclimate, it has been tried to analyze the effects of the Quaternary changes by using the mentioned factors as modeling and conceptual techniques.Also, the obtained results indicate that new land construction activity has played a role through successive slope changes on the waterways of Kordan Basin.