Case Study Practice for Year 9 OCR Geography | Year 9 OCR 地理：案例分析实战演练

📚 Case Study Practice for Year 9 OCR Geography | Year 9 OCR 地理：案例分析实战演练

Case studies are the backbone of Geography at GCSE level and already form a significant part of the Year 9 OCR curriculum. They allow you to link theory to real-world places and events, showing how physical and human processes interact. In this guide, you will learn how to structure an effective case study response, explore five core examples frequently tested in Year 9, and practise applying your knowledge to exam-style questions. By the end, you will have a clear method for turning facts into top-grade answers.

案例研究是GCSE地理的支柱，在Year 9 OCR课程中已经占据了重要地位。它们让你将理论与真实地点和事件联系起来，展示自然与人文过程如何相互影响。在本指南中，你将学习如何构建有效的案例分析答案，探索五个经常出现在Year 9考试中的核心实例，并练习将知识应用到考试风格的问题中。最后，你将拥有将事实转化为高分答案的清晰方法。

1. What is a Geographical Case Study? | 什么是地理案例分析？

A case study is a detailed investigation of a real place or event. In geography, you use case studies to illustrate a topic, provide specific evidence, and show that you can apply concepts to named locations. For OCR Year 9, you must include place-specific details such as statistics, dates, names of rivers or cities, and development indicators. A strong case study answer always answers ‘where, why, what happened, what were the effects, and how was it managed?’

案例分析是对一个真实地点或事件的详细调查。在地理中，你使用案例研究来说明一个主题，提供具体证据，并展示你可以将概念应用到有名称的地点。对于OCR Year 9，你必须包含具体地点的细节，如统计数据、日期、河流或城市的名称以及发展指标。一个强有力的案例答案总是回答“在哪里、为什么、发生了什么、有什么影响、以及如何管理？”

2. The 5W + 1H Framework for Every Case Study | 每个案例研究的5W+1H框架

To avoid forgetting crucial information, use the 5W + 1H structure: Where did it happen? (Locate the place with continent, country, and specific region.) When did it occur? (Give the month and year, and if relevant, the duration.) Why did it happen? (Explain the physical or human causes.) Who was affected? (Describe the populations, economies, and environments.) What were the consequences? (Primary and secondary effects, short-term and long-term.) How was the event managed or how can future events be managed? (Prevention, preparedness, response, recovery.) This framework is perfect for tectonic hazards, weather events, flooding, and human geography topics like migration or urban change.

为避免遗漏关键信息，使用5W+1H结构：Where 发生在哪里？（用大陆、国家和具体地区来定位。）When 何时发生？（给出月份和年份，如果相关，持续时间。）Why 为什么会发生？（解释自然或人文原因。）Who 谁受到了影响？（描述人口、经济和环境。）What 后果是什么？（主要和次要影响，短期和长期。）How 事件如何被管理，或未来如何管理？（预防、准备、应对、恢复。）这个框架非常适合构造灾害、天气事件、洪水，以及人口迁移或城市变化等人文地理主题。

3. Tectonic Hazards: The 2011 Japan Earthquake & Tsunami | 构造灾害：2011年日本地震与海啸

This case study is a classic for illustrating a high-income country’s response to a mega-disaster. Where: North-east coast of Honshu, Japan, epicentre 70 km east of Sendai. When: 11 March 2011, at 14:46 local time. Why: The Pacific Plate subducted beneath the North American Plate along the Japan Trench, producing a magnitude 9.0 megathrust earthquake. The sudden uplift of the seafloor displaced a huge volume of water, generating a tsunami with waves reaching up to 40 metres. Who/What: Over 15,000 people died, more than 6,000 were injured, and 450,000 became homeless. The Fukushima Daiichi nuclear power plant suffered a level 7 meltdown, releasing radioactive material. Economic losses exceeded £180 billion. How: Japan’s world-leading early warning system gave people up to one minute to take cover before the earthquake. Strict building codes saved many lives, but the tsunami overwhelmed seawalls. After the disaster, the government upgraded tsunami defences and improved nuclear safety regulations.

这个案例是说明高收入国家应对特大灾害的经典例子。Where: 日本本州东北海岸，震中位于仙台以东70公里。When: 2011年3月11日当地时间14:46。Why: 太平洋板块沿日本海沟俯冲到北美板块之下，引发9.0级巨型逆冲地震。海底的突然抬升排开了大量海水，产生海啸，最高波浪达到40米。Who/What: 超过15,000人死亡，6,000多人受伤，45万人无家可归。福岛第一核电站发生7级熔毁，泄漏放射性物质。经济损失超过1800亿英镑。How: 日本世界领先的早期预警系统让民众在地震前最多有一分钟的避险时间。严格的建筑规范挽救了许多生命，但海啸淹没了防波堤。灾后，政府升级了海啸防御措施，并加强了核安全法规。

4. River Flooding: Somerset Levels Floods, 2014 | 河流洪水：2014年萨默塞特平原洪水

For UK-based physical geography, the Somerset Levels floods provide rich detail. Where: Somerset, South West England, mainly the low-lying area drained by the Rivers Tone and Parrett. When: Winter 2013–2014, with the worst flooding in January and February 2014. Why: A prolonged sequence of Atlantic storms brought record rainfall – over 200 mm in January alone – onto already saturated ground. The rivers, straightened and deepened in the past, could not cope with the deluge. Drainage ditches had not been maintained, and high tides prevented water from escaping. Effects: Over 600 homes were flooded, villages like Moorland were cut off for weeks, roads and railways were closed, farmland was submerged, and livestock had to be evacuated. The economic cost reached around £82 million. Responses: The Environment Agency installed extra pumps, and local communities used sandbags. In the long term, a 20-year Flood Action Plan was introduced, including dredging of rivers, raising roads, and building a tidal barrier at Bridgwater.

对于以英国为基础的自然地理，萨默塞特平原洪水提供了丰富的细节。Where: 英格兰西南部萨默塞特，主要是托恩河和帕雷特河流经的低洼地区。When: 2013至2014年冬季，最严重的洪水发生在2014年1月和2月。Why: 持续的大西洋风暴带来破纪录的降雨——仅一月就超过200毫米——落在已经饱和的土地上。过去被截弯取直和挖深的河流无法应对暴雨。排水沟渠缺乏维护，而且高潮位阻止了洪水外排。Effects: 超过600座房屋被淹，像穆尔兰德这样的村庄与外隔绝数周，道路和铁路被关闭，农田被淹没，牲畜被迫转移。经济损失达到约8200万英镑。Responses: 环境署安装了额外水泵，当地社区使用沙袋。长期来看，引入了一份20年防洪行动计划，包括疏浚河流、加高道路，以及在布里奇沃特建造挡潮闸。

5. Extreme Weather: Typhoon Haiyan, Philippines, 2013 | 极端天气：2013年菲律宾台风海燕

Typhoon Haiyan is an essential case study for tropical storms in a low-income/emerging country. Where: Made first landfall in the eastern Philippines, particularly devastating the islands of Leyte and Samar. When: 8 November 2013. Why: Extremely warm sea surface temperatures above 28°C provided energy, and low wind shear allowed the storm to intensify into a category 5 super typhoon with sustained winds of 315 km/h – among the strongest ever recorded at landfall. A powerful storm surge over 5 m high swept inland. Effects: More than 6,300 people died, 1.1 million homes were damaged or destroyed, and 4 million people were displaced. Infrastructure such as the Tacloban airport terminal was wrecked. Outbreaks of waterborne diseases followed. Responses: The Philippine government evacuated 800,000 people before landfall, but evacuation centres could not withstand the surge. International aid poured in, including from the UK’s DFID, providing shelter kits, food, and clean water. Long-term recovery focused on building storm-resilient houses and a better early warning system.

台风海燕是低收入/新兴国家热带风暴的重要案例。Where: 在菲律宾东部首次登陆，特别严重破坏了莱特岛和萨马岛。When: 2013年11月8日。Why: 超过28°C的极高海面温度提供了能量，低风切变使风暴增强为5级超级台风，持续风速达315公里/小时——是有记录以来登陆时最强的之一。超过5米高的强大风暴潮涌入内陆。Effects: 超过6,300人死亡，110万座房屋受损或被毁，400万人流离失所。塔克洛班机场航站楼等基础设施被毁。随后爆发了水媒疾病。Responses: 菲律宾政府在登陆前疏散了80万人，但疏散中心无法抵御风暴潮。国际援助大量涌入，包括英国国际发展部提供的庇护包、食物和清洁水。长期恢复着重于建造抗台风房屋和更好的早期预警系统。

6. Urbanisation: Rio de Janeiro – Challenges of a Megacity | 城市化：里约热内卢——大城市的挑战

Rio de Janeiro in Brazil shows the opportunities and problems of rapid urban growth in an emerging country. Where: South-east Brazil, on the Atlantic coast. Why it grew: Rural-to-urban migration driven by push factors (drought, lack of services) and pull factors (jobs in construction and tourism, better healthcare). Challenges: Over 22% of Rio’s population live in favelas (informal settlements) like Rocinha. These areas have cramped housing, lack of sanitation, frequent landslides on steep slopes, and high crime rates. Traffic congestion is severe, and water pollution in Guanabara Bay remains a huge problem. Opportunities: Rio provides formal employment in manufacturing, services, and the 2016 Olympics brought investment in transport like the BRT system and the new metro line. How managed: The Favela-Bairro project upgraded some favelas with paved roads, electricity, and better sewage, though not all areas have benefited. Self-help schemes encourage residents to improve their own homes with government-provided materials.

巴西的里约热内卢展示了新兴国家快速城市增长的机遇与问题。Where: 巴西东南部，大西洋沿岸。Why it grew: 由推力因素（干旱、缺乏服务）和拉力因素（建筑和旅游业工作、更好的医疗）驱动的农村向城市迁移。Challenges: 超过22%的里约人口居住在像罗西尼亚这样的贫民窟（非正式定居点）。这些地区房屋拥挤，缺乏卫生设施，陡坡上经常发生滑坡，犯罪率高。交通拥堵严重，瓜纳巴拉湾的水污染仍是巨大问题。Opportunities: 里约提供了制造业、服务业的正式就业岗位，2016年奥运会带来了交通投资，如BRT系统和新的地铁线。How managed: 贫民窟-街区项目改造了一些贫民窟，铺设了道路，接通了电力和更好的污水系统，尽管并非所有地区都受益。自助计划鼓励居民使用政府提供的材料改善自己的住房。

7. Climate Change: Impacts on the Maldives | 气候变化：对马尔代夫的影响

The Maldives is a prime example of a low-lying small island state threatened by rising sea levels. Where: Indian Ocean, southwest of Sri Lanka, comprising 1,190 islands with an average ground elevation of just 1.5 metres above sea level. Problem: Global warming is causing thermal expansion of oceans and melting of ice sheets, resulting in a global sea level rise of about 3.3 mm per year. For the Maldives, even a modest rise increases coastal erosion, contaminates freshwater aquifers with saltwater (salinization), and leads to more frequent tidal flooding. Impacts: On some islands, entire communities face relocation; the capital Malé is protected by an expensive sea wall. Tourism, which accounts for 28% of GDP, is threatened as beaches disappear and coral bleaching (due to warmer seas) damages the dive industry. Adaptation: The Maldives has invested in building artificial islands such as Hulhumalé, elevated 2 metres above sea level, to house the growing population. The government also advocates globally for emission cuts and has installed desalination plants to secure fresh water.

马尔代夫是受海平面上升威胁的低洼小岛国的典型例子。Where: 印度洋，斯里兰卡西南，由1190个岛屿组成，平均地面海拔仅高出海平面1.5米。Problem: 全球变暖导致海洋热膨胀和冰盖融化，全球海平面每年上升约3.3毫米。对马尔代夫而言，即使小幅上升也会加剧海岸侵蚀，海水侵入淡水含水层（盐碱化），并导致更频繁的潮汐洪水。Impacts: 在一些岛屿，整个社区面临搬迁；首都马累由昂贵的海堤保护。占GDP 28%的旅游业受到威胁，因为海滩消失，珊瑚白化（由于海洋变暖）损害了潜水业。Adaptation: 马尔代夫投资建造了人工岛屿如呼鲁马累，海拔高于海平面2米，以容纳不断增长的人口。政府还在全球倡导减排，并安装了海水淡化厂以确保淡水供应。

8. Ecosystems: Deforestation in the Amazon Rainforest | 生态系统：亚马逊雨林的砍伐

The Amazon rainforest, spanning nine countries but mainly Brazil, is a vital carbon sink. Location: Northern South America, with around 60% in Brazil. Causes of deforestation: Commercial logging, cattle ranching (the single biggest driver), soybean cultivation, road building (like the Trans-Amazonian Highway), and mining. Population growth and government policies promoting colonisation also play a role. Impacts: Loss of biodiversity – the Amazon is home to 10% of the world’s known species. The forest stores about 100 billion tonnes of carbon; when burned or decomposed, this releases CO₂, accelerating climate change. Indigenous tribes lose their land and way of life. Soil erosion increases, and rainfall patterns are altered, potentially affecting agriculture across South America. Management: Brazil has designated protected areas and indigenous territories covering 44% of the Amazon. The ‘Prestação de Serviços Ambientais’ programme pays landowners to keep forest standing. International efforts include the Amazon Fund, supported by Norway and Germany, and stricter controls on illegal logging through satellite monitoring.

亚马逊雨林横跨九个国家，但主要在巴西，是一个重要的碳汇。Location: 南美洲北部，约60%在巴西。Causes of deforestation: 商业伐木、养牛业（最大的驱动因素）、大豆种植、道路建设（如跨亚马逊公路）和采矿。人口增长和鼓励殖民的政府政策也起了作用。Impacts: 生物多样性丧失——亚马逊拥有世界已知物种的10%。该森林储存了约1000亿吨碳；燃烧或分解时释放CO₂，加速气候变化。原住民部落失去土地和生活方式。土壤侵蚀加剧，降雨模式改变，可能影响整个南美洲的农业。Management: 巴西划定了覆盖亚马逊44%的受保护区和原住民领地。“环境服务支付”计划向保持森林覆盖的土地所有者支付费用。国际努力包括由挪威和德国支持的亚马逊基金，以及通过卫星监测对非法砍伐的更严格控制。

9. Comparing Case Studies: HIC vs LIC Disaster Responses | 案例比较：高收入国家与中低收入国家灾害应对

OCR examiners often want you to compare how different levels of development affect the impacts of and responses to hazards. Use a table to highlight key differences between Japan (HIC earthquake) and the Philippines (LIC/EMDC typhoon).

OCR考官经常希望你比较不同发展水平如何影响灾害的影响和应对。用一个表格突出日本（HIC地震）和菲律宾（LIC/EMDC台风）之间的关键差异。

Factor 因素	Japan 2011 (HIC) 日本2011（高收入国家）	Philippines 2013 (LIC/EMDC) 菲律宾2013（低收入/新兴市场发展中国家）
Early warning 早期预警	World-class system; seconds to minutes of warning	Warning issued, but limited reach and no safe shelters
Infrastructure 基础设施	Strict building codes; most buildings survived the quake	Poor quality housing; many buildings collapsed instantly
Death toll 死亡人数	~15,000 (mainly from tsunami)	~6,300 (mainly from storm surge)
Economic loss 经济损失	US$235 billion (highest ever); insurance covered part	US$13 billion; little insurance
Recovery 恢复	Rapid; government and insurance support	Slow; reliant on international aid; long-term displacement

This comparison shows that while the magnitude of a hazard is important, a country’s wealth and governance often dictate the scale of human suffering and the speed of recovery.

这一比较表明，虽然灾害的强度很重要，但一个国家的财富和治理水平往往决定了人类苦难的规模以及恢复的速度。

10. Sample Exam-Style Question with Model Answer | 模拟考题与样板答案

Question: ‘For a named tropical storm, explain the primary and secondary effects and evaluate the success of the response.’ (6 marks)

问题： “对于一个有名称的热带风暴，解释其主要和次要影响，并评估应对措施的成功程度。”（6分）

Model answer: Typhoon Haiyan struck the central Philippines on 8 November 2013 with winds of 315 km/h. Primary effects included over 6,300 deaths, mainly from the 5-metre storm surge that destroyed coastal towns like Tacloban. Homes, schools and the airport were flattened. Secondary effects included outbreaks of disease due to contaminated water, and food shortages that lasted weeks. The response had mixed success. Before the storm, 800,000 were evacuated, which reduced deaths, but evacuation centres collapsed because the surge was underestimated. After the event, international aid provided food and shelter, but relief was slow to reach remote areas because of destroyed roads. Long-term rebuilding of stronger houses has been successful in some places but is still incomplete. Overall, the response reduced suffering but was less effective than it could have been with better infrastructure and planning.

样板答案： 台风海燕于2013年11月8日袭击了菲律宾中部，风速315公里/小时。主要影响包括超过6,300人死亡，主要是由摧毁了塔克洛班等沿海城镇的5米高风暴潮造成的。房屋、学校和机场被夷为平地。次要影响包括因水污染引发的疾病爆发，以及持续数周的食品短缺。应对措施成败参半。风暴前，80万人被疏散，减少了死亡人数，但因为风暴潮被低估，疏散中心倒塌了。灾后，国际援助提供了食物和住所，但由于道路被毁，救援到达偏远地区的速度很慢。更坚固房屋的长期重建在一些地方取得了成功，但仍未完成。总体而言，应对减少了痛苦，但如果基础设施和规划更好，本可以更有效。

11. Key Facts Checklist for Rapid Revision | 快速复习关键事实清单

Before your exam, tick off each fact you can recall from memory. If you cannot, revisit that section.

考试前，从记忆中回忆出每一项事实并打勾。如果做不到，请重新阅读相关部分。

Japan 2011: Magnitude 9.0, tsunami max height 40 m, 15,000+ deaths, Fukushima meltdown. – 日本2011：震级9.0，海啸最高40米，15,000多人死亡，福岛熔毁。
Somerset Levels: 2014, 600 homes flooded, River Tone & Parrett, 20-year Flood Action Plan, tidal barrier. – 萨默塞特平原：2014年，600座房屋被淹，托恩河和帕雷特河，20年防洪行动计划，挡潮闸。
Typhoon Haiyan: 8 Nov 2013, category 5, 315 km/h winds, storm surge >5 m, 6,300 deaths. – 台风海燕：2013年11月8日，5级，风速315公里/小时，风暴潮大于5米，6,300人死亡。
Rio de Janeiro: 22% in favelas, Favela-Bairro project, BRT system, Guanabara Bay pollution. – 里约热内卢：22%人口在贫民窟，贫民窟-街区项目，BRT系统，瓜纳巴拉湾污染。
Maldives: Average elevation 1.5 m, sea level rise threat, salinization, artificial island Hulhumalé. – 马尔代夫：平均海拔1.5米，海平面上升威胁，盐碱化，人工岛呼鲁马累。
Amazon: 60% in Brazil, causes = cattle ranching, logging, soy; stores 100 billion tonnes carbon; 44% protected. – 亚马逊：60%在巴西，原因 = 养牛业、伐木、大豆；储存1000亿吨碳；44%受保护。

12. Now Practise: Your Turn | 现在练习：轮到你了

Apply the 5W + 1H framework and comparison skills to a new case study: The 2019–2020 Australian bushfires. Research: location of the most affected states, dates, causes (drought, high temperatures, strong winds, dry lightning), primary and secondary effects on people and wildlife (e.g., 3 billion animals affected, 34 deaths, smoke over cities), and responses (evacuations, firefighting aircraft, long-term recovery plans). Write a short practice answer evaluating the relative importance of natural and human factors in the disaster, then check it against the exam question format above.

将5W+1H框架和比较技能应用于一个新的案例研究：2019-2020年澳大利亚丛林大火。研究：受影响最严重的州的位置，日期，原因（干旱、高温、强风、干闪电），对人和野生动物的主要和次要影响（例如，30亿动物受影响，34人死亡，城市上空烟雾），以及应对措施（疏散、灭火飞机、长期恢复计划）。写一篇简短的练习答案，评估自然和人为因素在灾难中的相对重要性，然后对照上面的考试题目格式检查。

Published by TutorHao | Geography Revision Series | aleveler.com

更多咨询请联系16621398022（同微信）

Case Study Practice for Year 9 OCR Geography | Year 9 OCR 地理：案例分析实战演练