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QUESTION 16 (11 marks) a) b) c) Explain two characteristics of a tropical cyclone that are observable using meteorological data. Determine which of the national parks in Stimulus 1 was the location of Dataset | in Stimulus 3. Provide evidence from Stimulus 1 2 and 3 to support your response. Predict which species is likely to quickly return to pre-cyclone numbers. Justify your response by contrasting two species using data from Stimulus 3. [4 marks] [4 marks] [3 marks]
QUESTION 11 Which substrate has the highest run-off rate during a flood event? (A) silt (B) clay (C) sand (D) loam
QUESTION 3 (9 marks) a) Identify how bushfires can alter the characteristics of the biosphere and soil layer of a forest environment. Parts b) and c) refer to Stimulus 3 in the stimulus book. b) Identify when a bushfire is likely to have occurred. Show your reasoning using data from the graph. c) Infer how the run-off coefficient will evolve after May 2021 in the short term and the long term. Justify your conclusion. [2 marks] [3 marks] [4 marks]
QUESTION 11 Flood events impact river systems by (A) redistributing sediment from upstream to downstream. (B) causing greater erosion on the inside of river bends. (C) permanently reducing upstream biodiversity. (D) reducing the quantity of debris downstream.
QUESTION 21 (10 marks) This question refers to Stimulus | in the stimulus book. a) Explain the three most likely causes of localised flooding in Oxapampa. b) Predict one positive and one negative impact that flood events will have on the local aquatic ecosystem situated along the Rio Chorobamba river. c) What are two ways that the impacts of the flood events could be mitigated for the buildings downstream of Oxapampa? d) Where is agricultural activity most likely to occur in and around Oxapampa? Provide two reasons to justify your response. [3 marks] [2 marks] [2 marks] [3 marks]
QUESTION 6 (15 marks) a) Identify which figure from Stimulus 2 in the stimulus book best represents data from La Nifia years. Justify your decision. b) Using Stimulus 3 in the stimulus book identify the trend in frequency of tropical cyclones across the Australian region from 1970 to 2016. c) Using data from Stimulus 3 draw a conclusion about the trend in severe tropical cyclones that have occurred between 1970 and 2016. Justify your conclusion. d) Using Stimulus 2 and Stimulus 3 predict the frequency and magnitude of drought and flooding events in Northern Queensland in the future. Justify your predictions. e) Predict the effect of future drought events on erosion vegetative distribution patterns and ecosystem regeneration. Justify your predictions. [2 marks] [1 mark] [3 marks] [3 marks] [6 marks]
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