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Title: The formation of river networks.
Author: Oakley, Charles
Awarding Body: University of Oxford
Current Institution: University of Oxford
Date of Award: 2006
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Abstract:
The landscape around us has been formed over periods of million, s of years by the erosion of the land by water, wind and ice. In this thesis, we focus on the interaction between the overland flow of water and the surface of a hillslope and the consequent formation of river channels. vVe derive a model to describe the evolution of the hillslope and investigate the linear stability of the system and the process of channelisation. In Chapter 4, we derive an equation to describe the evolution of the cross-section of a river channel. Modelling the full evolution of a hillslope depends on us being able to integrate the river channel into the hillslope. In Chapter 5, we recognise the existence of the river bank which allows us to formulate equations to compute the longitudinal profiles of the channels. Finally, we attempt to evolve a topography numerically in the hope of producing river networks.
Supervisor: Not available Sponsor: Not available
Qualification Name: University of Oxford, 2006 Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.491544  DOI: Not available
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