Stream Channel Processes:
Go to the IGCSE WIKI page on River Processes and use the resources there to revise the processes occurring in a river. Make sure that you know the different processes of Erosion, Transport and Deposition.
The Hjulström Curve:
Can you link the Hjulström curve to the simulations below?
More information on Fluvial Processes can be found on the S-cool site.