WebRiver A River B. Figure 1 Storm Hydrographs. What is the lag time for river A? (1) To work out the answer you need to calculate the difference between the peak rainfall and peak discharge: The peak rainfall is between 2 and 3 hours from the start of the storm, taken at the mid point this would be 2 hours and 30 minutes. The peak discharge is at ... WebAnswers > Geography > A Level > Article With reference to a river catchment that you have studied, assess the potential impact of human activity upon the drainage basin As cities expand through increasing urbanisation, the impacts of human activity on the drainage basin and, subsequently, flood risk are becoming clearer.
River Discharge A Level Geography Revision Notes
WebA hydrograph shows how a river responds to a period of rainfall. Peakdischarge - maximum amount of water held in the channel. Peak rainfall – maximum amount of rainfall (millimetres). Lag time -... Webthe impact of land use change upon a flood hydrograph in this context is valid. • Candidates are directed to make reference to changes in the shape of a flood hydrograph, therefore responses should include reference to different elements of the hydrograph, including: base flow, rising limb, falling/recession limb, peak discharge, lag time. did judas repent in the bible
Physical factors affecting flood hydrograph dynamics
WebJul 1, 2006 · A hydrograph may be used to show how the water flow in a drainage basin (particularly river runoff) responds to a period of rain. This type of hydrograph is known as a storm or flood hydrograph ... WebEverything about a flood HYDROGRAPH (components, factors) A Level Geography (2024) A Level Lessons 10.7K subscribers 3.1K views 2 years ago A Level Physical … WebGeography 1011 Name Exercise 6 Hydrographs and Flood Frequency Analysis Part 1. Hydrograph. 1. Rating Curve. The data provided below are discharge values measured at different stream stage levels. Plot the data on the graph provided. Note that the graph scaling is semi-logarithmic, not linear, so plot carefully. did judd hirsch win an oscar last night