Abstract
This work includes the mechanism of pothole morphology, development, growth and dynac changes in meso and micro level. The study highlights some inter linkages of certain specific parameters like geological and hydrological concerns in pothole mechanism of Kharsoti River. Reviewing our geomorphological knowledge, potholes are mainly found to be concentrated in upper most part of the river where the stream energy is maximum but here our study area is included in the middle part and lower part of the Kharsoti River which is a typical example of rejuvenated antecedent tributary river of Subarnarekha River in Chhotanagpur plateau and exist like a bedrock river. Both shearing (geological) and huge discharge (hydrological) response are the concerned mechanisms in the development of potholes as micro fluvial landforms. One the basis of the analysis it is necessary to give a new threshold of quantitative methods in landforms study under a systematic scientific geographical background. Regarding the hydrological parameters like discharge, suspended load, stream power, velocity have been considered and some normal attributes like slope, bedrock character, rocky exposed on the riverbed etc. This type of work will help to open a new window for studying the micro landform mechanism in a contemporary method.
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