MI_2008 Promo Geog H2 P1

2 Physical Geography (H2) Section A Answer all questions in this section. Questions 1, 2 and 3 carry 12 marks and Question 4 carries 14 marks. You should allocate your time accordingly. Lithospheric Processes, Hazards & Management 1. Fig. 1 shows Strakhov’s Model of weathering zones in the world. (a) Describe the relationship between the availability of moisture and the depth of the regolith throughout the world. [4] (b) Explain the relationship between the various factors in the model and the depth of weathering. [8] Lithospheric Processes, Hazards & Management 2. Fig. 2A and 2B shows Peltier’s Model of weathering zones in the world. (a) Describe the relationship between temperature, rainfall, weathering and mass movements. [4] (b) Explain the relationship between temperature, rainfall, weathering and mass movements. [8] Hydrologic Processes, Hazards & Management 3. Fig. 3 shows a sketch of a river system. (a) Show how you would derive the stream order of the drainage basin. [3] (b) Show how you would derive the bifurcation ratio of the river system. [4] (c) Explain the factors that would affect the drainage density of a basin. [5] © MI 2008 9730/02 MYE

3 Lithospheric and Hydrologic Processes, Hazards & Management 4. Fig. 4A shows a model of a vegetated h illslope and figure 4B shows a vegetated mountain valley. (a) Explain the slope processes occurring at X. [2] (b) Draw an annotated sketch showing the cross-section of transect AB. [4] (c) Explain the relationships and processes which occur between the slope subsystem and the river subsystem. [8] © MI 2008 9730/02 MYE

4 © MI 2008 9730/02 MYE Section B Essay Questions Answer two questions in this section. Each question carries 25 marks. Lithospheric Processes, Hazards & Management 5. EITHER (a) Briefly discuss the effectiveness of weathering in different climates. [9] (b) Discuss the relationship between climate, weathering and the intensity of mass movements. [16] OR (a) Compare and contrast the characteristics of the 3 major rocks types on Earth. [9] (b) Discuss the relationship through which the weathering of granite and limestone and the removal of weathered materials produces landforms. [16] Lithospheric Processes, Hazards & Management 6. EITHER (a) Discuss the effects of volcanic eruptions. [9] (b) Account for the worldwide occurrence of andesite, rhyolite and basalt and the tectonic environments which are associated with their formation. [16] OR (a) Describe the characteristics of earthquakes. [9] (b) Evaluate the strategies used to predict, mitigate and respond to the effects of a volcanic eruption near an inhabited area. [16]