Year 13 WJEC Geography: Essential Knowledge Review | Year 13 WJEC 地理：核心知识点梳理

📚 Year 13 WJEC Geography: Essential Knowledge Review | Year 13 WJEC 地理：核心知识点梳理

As Year 13 students approach their final exams, consolidating the essential knowledge across the WJEC Geography specification is crucial. This comprehensive review distils the core concepts, processes, and case studies from physical and human geography, including the Water and Carbon Cycles, Tectonic Hazards, Changing Places, and Global Governance. Use this guide to strengthen your revision and master the key areas examined in Components 1–3.

进入Year 13的同学们即将迎来最终大考，系统梳理WJEC地理课程中的核心知识点至关重要。本文综述了自然地理与人文地理的关键概念、过程与案例，涵盖水碳循环、构造灾害、变化中的地方以及全球治理等主题。借助这一指南，你可以巩固复习，并掌握试卷1至3中的重点考察领域。

1. Water and Carbon Cycles | 水循环与碳循环

The global water cycle is a closed system with key stores (oceans, ice caps, groundwater) and flows (evaporation, precipitation, runoff). Changes in one store affect the whole system.

全球水循环是一个封闭系统，主要储库（海洋、冰盖、地下水）和通量（蒸发、降水、径流）之间相互联系。某一储库的变化会影响整个系统。

The carbon cycle involves fast components (photosynthesis, respiration) and slow components (sedimentation, fossil fuel formation). Anthropogenic activities have disrupted natural fluxes, increasing atmospheric CO₂ levels.

碳循环包括快速部分（光合作用、呼吸作用）和慢速部分（沉积、化石燃料形成）。人类活动已扰乱自然碳通量，提高了大气CO₂浓度。

Peatlands and tropical rainforests are critical carbon sinks. The Amazon rainforest stores over 100 billion tonnes of carbon, but deforestation reduces this capacity and releases stored carbon.

泥炭地和热带雨林是关键碳汇。亚马逊雨林储存了超过1000亿吨碳，但森林砍伐降低了这一储存能力并释放储存的碳。

Climate system feedback loops, such as the ice-albedo effect and permafrost methane release, can amplify warming. Understanding these feedbacks is essential for predicting future climate scenarios.

气候系统的反馈回路，如冰-反照率效应和永久冻土甲烷释放，可能放大升温效应。理解这些反馈对于预测未来气候情景至关重要。

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2. Coastal Systems and Landscapes | 海岸系统与地貌

Coasts are dynamic environments shaped by waves, tides, currents, and sediment supply. Erosional processes create features like cliffs, wave-cut platforms, and stacks.

海岸是动态环境，受波浪、潮汐、海流和沉积物供应影响。侵蚀过程形成悬崖、波切台地和岩柱等地貌。

Deposition builds beaches, spits, bars, and tombolos. Longshore drift transports sediment along the shoreline, often leading to erosion in one area and accretion in another.

沉积作用形成海滩、沙嘴、障壁沙坝和连岛沙洲。沿岸漂移沿着海岸运输沉积物，常导致一地侵蚀、另一地堆积。

Sea-level change results from eustatic (global) and isostatic (local) adjustments. Submergent coasts feature rias and fjords; emergent coasts show raised beaches and relict cliffs.

海平面变化源于全球性的水动型与区域性的地壳均衡调整。沉降海岸发育沉溺河谷和峡湾；抬升海岸则可见上升海滩和残留悬崖。

Coastal management strategies include hard engineering (sea walls, groynes) and soft approaches (beach nourishment, managed retreat). The Holderness Coast is a case study of rapid erosion, with an average loss of 2 metres per year.

海岸管理策略包括硬工程（防波堤、丁坝）和软措施（填沙养护、有管理退让）。霍尔德内斯海岸是快速侵蚀的典型案例，平均每年后退2米。

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3. Tectonic Hazards | 构造灾害

Plate tectonic theory explains the distribution of earthquakes, volcanoes, and fold mountains at destructive, constructive, conservative, and collision boundaries.

板块构造理论解释了地震、火山和褶皱山脉在破坏型、建设型、守恒型和碰撞型板块边界的分布。

Seismic hazards include ground shaking, liquefaction, landslides, and tsunamis. The magnitude, depth, and location determine the impact on human populations.

地震灾害包括地面震动、液化、滑坡和海啸。震级、深度与位置决定其对人口的影响大小。

Volcanic hazards comprise lava flows, ash clouds, pyroclastic flows, and lahars. The Icelandic Eyjafjallajökull eruption in 2010 demonstrated how ash clouds can disrupt global air travel.

火山灾害包括熔岩流、火山灰云、火山碎屑流和火山泥流。2010年冰岛埃亚菲亚德拉冰盖火山喷发表明火山灰云如何扰乱全球航空旅行。

Hazard management cycle (mitigation, preparedness, response, recovery) and the Park Model illustrate the phases of disaster recovery. Differences in vulnerability between Haiti (2010) and Japan (2011) highlight the role of governance and wealth.

灾害管理循环（减灾、防备、响应、恢复）和帕克模型展示了灾后恢复的不同阶段。海地（2010）与日本（2011）的脆弱性差异凸显了治理与财富的作用。

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4. Weather and Climate | 天气与气候

The atmospheric circulation model (Hadley, Ferrel, and Polar cells) explains global pressure belts, wind patterns, and the distribution of deserts and rainforests.

大气环流模型（哈德莱、费雷尔和极地环流圈）解释了全球气压带、风带以及荒漠与雨林的分布。

Tropical storms develop over warm oceans (≥27°C), gaining energy from latent heat release. The Saffir-Simpson scale categorises their intensity from Category 1 to 5.

热带风暴在温暖海洋（≥27°C）上形成，从潜热释放中获取能量。萨菲尔-辛普森等级将其强度从1级划分为5级。

Climate change causes more frequent and intense extreme weather, including heatwaves, heavy rainfall, and droughts. The UK’s 2022 heatwave, with temperatures exceeding 40°C, is a pertinent example.

气候变化导致极端天气更加频繁和剧烈，包括热浪、强降水和干旱。英国2022年热浪中气温超过40°C，是一个典型例子。

Mitigation strategies focus on reducing greenhouse gas emissions (renewable energy, carbon capture). Adaptation includes flood defences, drought-resistant crops, and early warning systems.

减缓策略重在减少温室气体排放（可再生能源、碳捕获）；适应措施则包括防洪设施、抗旱作物和早期预警系统。

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5. Changing Places | 变化中的地方

Place is understood through physical geography, human characteristics, and representations. The concept of ‘sense of place’ is influenced by lived experience and media portrayals.

地方由自然地理、人文特征与表征构成。“地方感”受到生活经验与媒体描绘的影响。

Exogenous forces (flows of people, capital, ideas) drive changes in places, while endogenous factors (land use, demographics) shape local character. Gentrification in London Docklands transformed a declining area into a financial hub.

外源力量（人流、资本、思想流动）推动地方变化，而内源因素（土地利用、人口结构）塑造本地特色。伦敦码头区的绅士化改造将衰落地区转变为金融中心。

Place regeneration can be market-led (property development) or state-led (infrastructure investment). The rebranding of post-industrial cities like Manchester highlights cultural and creative industry strategies.

地方再生可以是市场主导（房地产开发）或政府主导（基础设施投资）。曼彻斯特等后工业城市的重新定位凸显了文化与创意产业策略。

Place attachment and identity may be disrupted by rapid change, leading to social tensions and resistance, as seen in many rural communities facing tourism pressure and second-home ownership conflicts.

地方的依恋与认同可能被快速变化所扰乱，导致社会紧张与抵抗，这在许多面临旅游压力和第二套住宅所有权冲突的乡村社区中可见一斑。

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6. Global Systems and Global Governance | 全球系统与全球治理

Globalisation has integrated economies through trade, FDI, and TNCs, creating a global system of interdependence. The length of global supply chains can amplify vulnerabilities, as shown by the COVID-19 pandemic.

全球化通过贸易、外国直接投资和跨国公司整合了各国经济，形成相互依存的全球系统。新冠疫情表明，全球供应链的长度可能放大脆弱性。

Global governance institutions such as the UN, WTO, and IMF aim to manage economic, environmental, and human rights issues, but their effectiveness is contested due to state sovereignty and unequal power.

联合国、世贸组织和国际货币基金组织等全球治理机构旨在管理经济、环境和人权问题，但由于国家主权和权力不平等，其有效性存在争议。

The concept of ‘global commons’ (oceans, atmosphere, Antarctica) relies on collective action. The Antarctic Treaty is an example of successful global governance, while ocean plastic pollution remains a critical challenge.

“全球公地”（海洋、大气、南极洲）概念依赖于集体行动。南极条约是成功治理的范例，而海洋塑料污染仍是严峻挑战。

Trade blocs (EU, ASEAN) and free trade agreements create economic alliances, but can exclude developing nations. The banana trade dispute illustrates the tension between free trade rules and fair trade preferences.

贸易集团（欧盟、东盟）和自由贸易协定建立了经济联盟，但也可能排斥发展中国家。香蕉贸易争端体现了自由贸易规则与公平贸易优惠之间的紧张关系。

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7. Ecosystems Under Stress | 压力下的生态系统

Ecosystems vary from local habitats to global biomes (tropical rainforest, savanna, tundra), each with characteristic flora, fauna, and nutrient cycles. Tropical rainforests have rapid nutrient cycling but fragile soils.

生态系统涵盖从局部栖息地到全球生物群落（热带雨林、稀树草原、苔原），各自具有代表性的动植物群系和养分循环。热带雨林养分循环快但土壤脆弱。

Human activities such as deforestation, overfishing, and urbanisation degrade ecosystems, reducing biodiversity and disrupting services like pollination and water purification.

森林砍伐、过度捕捞和城市化等人类活动导致生态系统退化，减少了生物多样性，并破坏了授粉和净水等服务。

The concept of ecological succession describes how ecosystems change over time; climatic climax vegetation is the theoretical end state. Plagioclimax occurs when human intervention halts succession, such as in heather moorlands maintained by burning.

生态演替概念描述了生态系统随时间的变化；气候顶极植被是理论的终态。若人为干预中止演替，则形成人为顶极，如通过焚烧维持的石楠荒原。

Sustainable management requires balancing conservation and development. The Serengeti ecosystem’s conservation versus pastoralist livelihoods represents a classic conflict, with attempts to integrate wildlife corridors and community benefits.

可持续管理需要平衡保护与发展。塞伦盖蒂生态系统的保护与牧民生计之间的冲突是典型的矛盾，目前正尝试整合野生动物走廊与社区利益。

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8. Resource Security and Development | 资源安全与发展

Resource security encompasses availability, accessibility, and affordability of energy, water, and minerals. The resources ‘peak’ theory suggests eventual decline in production, raising concerns about future supplies.

资源安全涵盖了能源、水和矿产的可利用性、可及性和可负担性。资源“峰值”理论认为产量最终会下降，引发对未来供应的担忧。

Water stress affects over 2 billion people, driven by population growth, agriculture, and climate change. The Aral Sea disaster, where irrigation diverted rivers, illustrates the consequences of unsustainable water use and ecological collapse.

超过20亿人面临水资源压力，原因是人口增长、农业和气候变化。咸海灾难中，灌溉改变了河流走向，表明了不可持续用水的后果和生态崩溃。

Energy mix shifts from fossil fuels to renewables like wind, solar, and HEP. The UK in 2030 aims for 95% low-carbon electricity, powered by offshore wind and nuclear energy, reducing dependency on imported gas.

能源结构从化石燃料转向风能、太阳能和水电等可再生能源。英国计划到2030年实现95%的低碳电力，主要依靠海上风电与核能，减少对进口天然气的依赖。

Development theories (Rostow’s model, dependency theory) explain unequal resource distribution. Globalisation has created new opportunities but also widened the development gap in some regions, reinforcing core-periphery patterns.

发展理论（罗斯托模型、依附论）解释了资源分配不平等。全球化带来了新机遇，但也扩大了某些地区的发展差距，强化了核心-边缘格局。

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9. Urbanisation and Contemporary Urban Environments | 城市化与当代城市环境

Urbanisation trends show rapid growth of megacities in Asia and Africa, driven by rural-urban migration and natural increase. Over 55% of the world’s population now live in urban areas, a figure projected to rise to 68% by 2050.

城市化趋势显示，在亚洲和非洲，由乡城迁移和自然增长推动的超大城市快速发展。目前全球超过55%的人口居住在城市地区，预计到2050年将升至68%。

Urban morphology models (Burgess, Hoyt, Harris-Ullman) explain social and economic patterns in cities. Contemporary urban forms include edge cities, digital hubs, and post-modern architecture, reflecting decentralisation and new technologies.

城市形态模型（伯吉斯、霍伊特、哈里斯-乌尔曼）解释了城市内的社会经济格局。当代城市形态包括边缘城市、数字中心和后现代建筑，反映了分散化与新技术。

Urban challenges include

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