Year 13 OCR Geography: Core Knowledge Overview | Year 13 OCR 地理：核心知识点梳理

📚 Year 13 OCR Geography: Core Knowledge Overview | Year 13 OCR 地理：核心知识点梳理

As Year 13 students prepare for their OCR Geography A Level exams, a solid grasp of the core topics is essential. This revision guide distils the key knowledge across physical and human geography, focusing on processes, case studies, and synoptic themes that frequently appear in Component 1, 2, and 3 papers.

在13年级学生备考OCR地理A Level考试之际，牢固掌握核心主题至关重要。本复习指南梳理了自然地理与人文地理的关键知识点，重点聚焦于试卷一、二、三中常见的过程、案例研究和综合性主题。

1. Coastal Landscapes | 海岸景观系统

Coastal systems are driven by wave energy, tides and currents. Constructive waves build up beaches, while destructive waves erode cliffs. Key processes include hydraulic action, abrasion, attrition and solution.

海岸系统受波浪能量、潮汐和洋流驱动。建设性波浪堆积沙滩，破坏性波浪侵蚀悬崖。主要过程包括水力作用、磨蚀、磨耗和溶蚀。

Landforms of erosion such as headlands, bays, wave-cut platforms, caves, arches and stacks evolve as softer rock is preferentially eroded. Depositional landforms include beaches, spits, bars and tombolos.

侵蚀地貌如岬角、海湾、波蚀台、海蚀洞、海蚀拱和海蚀柱随着较软岩石被优先侵蚀而形成。堆积地貌包括海滩、沙嘴、沙坝和连岛沙洲。

Sea level change, both eustatic and isostatic, leads to emergent and submergent coastlines with features like raised beaches and rias. Hard and soft engineering strategies aim to manage coastal flooding and erosion, yet often create winners and losers.

海平面变化（包括水动型和地动型）导致上升海岸和沉降海岸，产生上升海滩和溺湾等特征。硬工程和软工程策略旨在管理海岸洪水和侵蚀，但常常产生受益者与受损者。

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2. Water and Carbon Cycles | 水与碳循环

Water and carbon cycles are fundamental Earth life support systems. The global water cycle involves stores (oceans, ice, groundwater) and fluxes (evaporation, precipitation, runoff). Human activities alter the cycle through abstraction, deforestation and urbanisation.

水循环和碳循环是基本的地球生命支持系统。全球水循环包括储存（海洋、冰、地下水）和通量（蒸发、降水、径流）。人类活动通过取水、毁林和城市化改变了水循环。

The carbon cycle has geological and biological components. Carbon is stored in sedimentary rocks, fossil fuels, oceans, soils and biomass. Natural transfers such as photosynthesis, respiration, decomposition and volcanic outgassing maintain balance. Anthropogenic emissions from fossil fuel burning and land-use change have disrupted this balance.

碳循环具有地质和生物组成部分。碳储存在沉积岩、化石燃料、海洋、土壤和生物量中。光合作用、呼吸作用、分解和火山释气等自然转移维持平衡。来自化石燃料燃烧和土地利用变化的人为排放打破了这一平衡。

Key case studies like the Amazon rainforest illustrate how deforestation impacts water and carbon cycles regionally and globally. Positive and negative feedback loops, such as permafrost thaw releasing methane, amplify climate change.

亚马逊雨林等关键案例说明了森林砍伐如何在区域和全球尺度上影响水碳循环。正负反馈循环（如永久冻土融化释放甲烷）放大了气候变化。

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3. Place and Space | 地方与空间

‘Place’ goes beyond location to include meanings, identities and attachments. Places are socially constructed and are experienced differently by various groups. Concepts like placemaking, sense of place and placelessness are vital.

“地方”超越了地点，包括意义、身份认同和情感依恋。地方是社会建构的，不同群体对其有不同的体验。地方营造、地方感、无地方性等概念至关重要。

Representations of place in media, art and advertising can influence perceptions. The concept of ‘dwelling’ and ‘insider/outsider’ perspectives help analyse how people connect to places.

媒体、艺术和广告对地方的再现能够影响人们的感知。”栖居”和”局内人/局外人”视角有助于分析人们与地方的联系。

Social inequalities are often spatialised, with regeneration projects aiming to improve deprived areas. Case studies such as the rebranding of East London illustrate how economic restructuring shifts place profiles, but can also lead to gentrification.

社会不平等往往空间化，城市更新项目旨在改善贫困地区。东伦敦的重塑等案例表明经济重构如何改变地方形象，但也可能导致绅士化。

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4. Global Migration and Power | 全球移民与权力

Migration is shaped by push–pull factors, migration networks and transnationalism. OCR focuses on global migration systems, including labour flows, refugee movements and South–South migration.

迁移受推拉因素、迁移网络和跨国主义的影响。OCR重点关注全球迁移系统，包括劳动力流动、难民移动和南南移民。

Global governance of migration is fragmented, with policies influenced by sovereignty, security and economic interests. The concept of ‘superpowers’ examines how countries like the USA and China exert hard and soft power, reshaping global systems.

全球移民治理是碎片化的，政策受主权、安全和经济利益的影响。”超级大国”概念探讨了美国和中国等国家如何行使硬实力和软实力，重塑全球体系。

Structural components of global systems (trade, investment, finance and technology) create interdependence but also deepen inequalities. Understanding the global shift in manufacturing and the rise of emerging economies is essential.

全球体系的结构性组成部分（贸易、投资、金融和技术）创造了相互依赖，但也加深了不平等。理解制造业的全球转移和新兴经济体的崛起至关重要。

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5. Disease Dilemmas | 疾病困境

Disease geography examines spatial patterns, diffusion and determinants of health. The epidemiological transition model describes shifts from infectious to chronic diseases as countries develop. However, infectious diseases re-emerge due to antimicrobial resistance and globalisation.

疾病地理学考察健康的空间模式、扩散和决定因素。流行病学转变模型描述了随着国家发展，疾病从传染病转向慢性病。然而，由于抗菌素耐药性和全球化，传染病再度出现。

Diffusion models such as contagious, hierarchical and relocation diffusion help explain the spread of pandemics. Case studies like COVID-19, HIV/AIDS and malaria illustrate the role of poverty, migration and environmental change.

扩散模型如接触扩散、等级扩散和迁移扩散有助于解释大流行的传播。COVID-19、HIV/AIDS和疟疾等案例说明了贫困、迁移和环境变化的作用。

Disease management involves primary, secondary and tertiary prevention strategies, and international bodies like the WHO coordinate responses. Ethical dilemmas arise over access to medicines and quarantine measures.

疾病管理涉及一级、二级和三级预防策略，世界卫生组织等国际机构协调应对。药品获取和隔离措施引发了伦理困境。

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6. Climate Change | 气候变化

Climate has changed naturally throughout Earth’s history due to orbital variations (Milankovitch cycles), solar output and volcanic activity. Ice core and sediment data reveal past patterns of glacials and interglacials.

地球历史上的气候因轨道变化（米兰科维奇循环）、太阳输出和火山活动而自然改变。冰芯和沉积物数据揭示了过去的冰期和间冰期模式。

The current anthropogenic warming is unprecedented in rate and scale. The enhanced greenhouse effect from CO₂, CH₄ and N₂O emissions drives global temperature rises, leading to melting ice, sea level rise and more extreme weather.

当前的人为变暖在速度和规模上史无前例。来自CO₂、CH₄和N₂O排放的增强温室效应推动全球温度上升，导致冰雪融化、海平面上升和极端天气增多。

Mitigation strategies include renewable energy, carbon capture and reforestation; adaptation involves flood defences, drought-resistant crops and resilient infrastructure. International cooperation through the Kyoto Protocol and Paris Agreement has been varied in effectiveness.

减缓策略包括可再生能源、碳捕获和重新造林；适应包括防洪设施、抗旱作物和弹性基础设施。通过《京都议定书》和《巴黎协定》进行的国际合作效果参差不齐。

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7. Tectonic Hazards | 构造灾害

Tectonic hazards arise from plate boundaries: divergent (volcanic activity and ridge formation), convergent (subduction zones causing powerful earthquakes and volcanism) and conservative (strike-slip earthquakes). Hotspots, such as Hawaii, exist away from boundaries.

构造灾害源自板块边界：离散边界（火山活动和洋中脊形成）、汇聚边界（俯冲带引发强震和火山活动）和守恒边界（走滑地震）。热点（如夏威夷）存在于远离边界的地方。

The magnitude and impact of earthquakes and volcanic eruptions depend on hazard magnitude, population density, preparedness and governance. The hazard management cycle (response, recovery, mitigation, preparedness) guides risk reduction.

地震和火山喷发的震级和影响取决于灾害强度、人口密度、防备程度和治理。灾害管理循环（响应、恢复、减灾、备灾）指导风险降低。

Case studies for earthquakes (Haiti 2010 vs. Christchurch 2011) and volcanoes (Eyjafjallajökull vs. Merapi) highlight contrasting vulnerability. Governance capacity and resilience are critical for successful management.

地震（2010年海地与2011年基督城）和火山（Eyjafjallajökull与默拉皮）的案例研究突出显示了脆弱性的对比。治理能力和韧性是成功管理的关键。

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8. Future of Food | 未来食物

Food security is defined by availability, access, utilisation and stability. The modern global food system is shaped by agribusiness, trade liberalisation and technological advances, yet billions remain malnourished.

食物安全由可用性、获取、利用和稳定性定义。现代全球食物体系受农业综合企业、贸易自由化和技术进步的影响，但仍有数十亿人营养不良。

The Green Revolution increased yields through high-yielding varieties, fertilisers and irrigation, but led to environmental degradation and social inequalities. More recently, genetic modification (GM) and precision agriculture offer new solutions.

绿色革命通过高产品种、化肥和灌溉提高了产量，但导致了环境退化和社会不平等。最近，基因改造（GM）和精准农业提供了新的解决方案。

Moving toward sustainable food systems involves reducing food waste, adopting agroecology and promoting local food networks. Geopolitics of food, including land grabs, and climate change impacts on crop yields are major concerns.

迈向可持续食物体系包括减少食物浪费、采用农业生态学和推广本地食物网络。食物地缘政治，包括土地掠夺，以及气候变化对作物产量的影响是主要关切。

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Published by TutorHao | Geography Revision Series | aleveler.com

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