Optional Theme A — Freshwater – issues and conflicts
1. The diagram shows the changes in a river channel following implementation of a management strategy.
(a) Define the term stream discharge.
(b) (i) State the direction towards which the river is flowing at B.
(ii) State three changes to the river channel that result from this management strategy.
(iii) Explain one benefit and one problem for people that might result from this management strategy.
(c) Examine the benefits and problems of different river management strategies(other than that shown in the diagram).
2. The diagram shows two transport processes that operate in a river channel.
(a) Identify and describe process A and process B shown in the diagram.
(b) Draw a labelled diagram to show the main input, outputs, transfers and stores of the hydrological cycle for an un-vegetated drainage basin. 
(c) “Of all the impacts of agriculture on water quality, salinization is the most damaging.” Discuss this statement.
Optional Theme B — Oceans and their coastal margins
3. If you choose to answer this question refer to the map on page 2 in the Resources Booklet. Note: refer only to the map (not the satellite image).
The map shows the Cape Hatteras area of the east coast of the USA.
(a) Using map evidence, describe two depositional landforms found on this coastline.
(b) Explain how one geopolitical conflict has developed in relation to a named oceanic resource.
(c) “The fishing industry can never be sustainable.” Discuss this statement.