DP Geography Questionbank

Description

Describe the characteristics of a hydrograph. Examine the reasons for spatial and temporal (short-term and long-term) variations in hydrographs. Examine the role of hydrographs in forecasting the magnitude, spatial extent and timing of floods.

Directly related questions

• 17N.2.sl.02a.iii: Outline why the rising limb on this hydrograph is steeper than the falling limb.
• 17N.2.sl.02a.ii: State how many hours the discharge was over 40 cumecs.
• 17N.2.sl.02a.i: State the lag time for the storm event shown on the hydrograph.
• 17M.2.bp.2b: Explain three factors that may produce a short time lag on a storm hydrograph.
• 11N.2.bp.2a: Draw a labelled diagram of a hydrograph.
• 11N.2.bp.2b: Explain how hydrographs are used to forecast floods.
• 12N.2.bp.2a: Describe four differences between the two hydrographs shown on the diagram.
• 12N.2.bp.2b: Suggest reasons why the urban and forested hydrographs show different responses to the storm event.
• 14N.2.hl.1d: Discuss the relative importance of the factors affecting the characteristics of hydrographs.
• 14N.2.sl.1d: Discuss the relative importance of the factors affecting the characteristics of hydrographs.
• 14M.2.sl.1c: Examine the factors that affect the response of a stream hydrograph to a rainfall event.
• 14M.2.hl.1c: Examine the factors that affect the response of a stream hydrograph to a rainfall event.
• 15M.2.sl.2b: Explain how hydrographs can be used to forecast and manage flooding.
• 15M.2.hl.2b: Explain how hydrographs can be used to forecast and manage flooding.