OS map work ► Is the river wide or narrow? ► Is the river straight or meandering? ► Is the valley wide or narrow? ► Shape of valley/slope steepness ► Stage is the river at? ► Identify any features with grid reference? ► Has the river been artificially straightened or are there any drainage ditches? ► Direction of flow. OS Map work Aims- To recognise river features on an OS map To be able to describe and explain the physical characteristics of a river and its valley 1999 Describe the physical features of the River Ouse and its valley between 430149 and 407118. 8 marks 1995 Compare and contrast the river Avon and its valley with that of the River Stour. 10 marks Annotate the base map provided to show the main features of the river and its valley found within area A. 8 marks Using a diagram or diagrams, explain the formation of any one of the features you have identified on the base map. 8 marks