📚 Year 11 Edexcel Geography: Key Terms Quick-Study Guide | 地理词汇术语速记指南
This quick-study guide compiles essential terminology for Year 11 Edexcel Geography, organised by key physical and human topics. Each term is presented with a concise English definition followed immediately by its Chinese equivalent, helping bilingual learners bridge concepts and vocabulary. Mastering these terms will strengthen your exam answers by ensuring precise use of geographical language.
本速记指南为 Year 11 Edexcel 地理课程汇编了核心术语，按照重要的自然与人文主题分类。每个术语先给出简明的英文定义，紧接着提供对应的中文解释，帮助双语学习者衔接概念与词汇。掌握这些术语将确保你在考试作答时精准使用地理语言，从而提升得分。
1. River Processes & Landforms | 河流过程与地貌
Abrasion (or corrasion): The wearing away of the river bed and banks by the river’s load of sand, pebbles and boulders scraping against them. This process is most effective during high discharge when the river carries larger, angular material.
磨蚀（corrasion）：河流携带的沙、砾石和巨砾刮削河床与河岸而产生的侵蚀作用。在河流流量较高、搬运的角状碎屑较多时，这种过程最为活跃。
Attrition: Particles carried by the river collide with one another, becoming smaller, smoother and rounder over time. Attrition reduces the size of the load but does not directly erode the channel.
磨圆作用：河流搬运的颗粒物互相碰撞，随时间推移变得更小、更光滑、更圆润。磨圆作用减少碎屑粒径，但不直接侵蚀河槽。
Hydraulic action: The force of moving water enters cracks in the river bank and bed, compressing trapped air and enlarging weaknesses until chunks of rock break away. It is particularly powerful where river velocity is high.
水力作用：运动水流的冲击力进入河岸与河床的裂隙，压缩截留的空气并使岩石弱点不断扩张，直至岩块崩落。在河流流速高的地方尤为强烈。
Solution (corrosion): The chemical dissolution of soluble minerals (e.g. calcium carbonate in limestone) by slightly acidic river water. Unlike mechanical erosion, this process changes the chemical composition of the rock.
溶蚀（corrosion）：微酸性河水对可溶性矿物（如石灰岩中的碳酸钙）的化学溶解过程。与机械侵蚀不同，溶蚀改变了岩石的化学组成。
V-shaped valley: A steep-sided valley formed by vertical erosion in the upper course of a river, with a narrow channel at the base and exposed slopes that often experience mass movement.
V 形谷：由上游河段的垂直下切侵蚀塑造而成的岸壁陡峭的河谷，底部河道狭窄，裸露的谷坡常发生块体运动。
Meander: A pronounced bend in the middle or lower course of a river, formed by lateral erosion on the outer bank (forming a river cliff) and deposition on the inner bank (forming a point bar or slip-off slope).
曲流（河曲）：发育于中下游河段的显著河湾，由凹岸侧蚀（形成河岸崖）和凸岸堆积（形成边滩或缓坡）共同塑造。
2. Coastal Processes & Landforms | 海岸过程与地貌
Longshore drift: The zigzag movement of sediment along a coastline, driven by waves approaching the shore at an oblique angle. Swash carries material onto the beach in the direction of the wave, while backwash returns it perpendicular to the slope under gravity.
沿岸漂移：沉积物沿海岸线呈之字形运动的搬运过程，由斜向入射的波浪驱动。冲流将物质沿波浪方向带上海滩，回流则在重力作用下垂直于坡度将物质带回海中。
Destructive waves: High-frequency, steep waves with a strong backwash and weak swash, typically associated with storm conditions. They remove more sediment from the beach than they deposit, causing foreshore erosion.
破坏性波浪：频率高、波面陡峭的波浪，回流强而冲流弱，通常与风暴条件相关。它们从海滩搬运走的沉积物多于沉积的量，导致前滨侵蚀。
Constructive waves: Low-frequency, gently sloping waves with a powerful swash and weak backwash, usually forming in calm weather. They build up the beach by depositing sand and shingle.
建设性波浪：频率低、波面平缓的波浪，冲流强劲而回流弱，一般在天气平静时形成。它们通过沉积沙和砾石使海滩增长。
Headland and bay: A discordant coastline formed where alternating bands of resistant and less resistant rock meet the sea. Erosion etches out bays in weaker rock while headlands persist in harder strata.
岬角与海湾：由强硬岩石与软弱岩石交替出露的不整合海岸所形成。侵蚀在软弱岩层中蚀出海湾，坚硬岩层则保留为岬角。
Spit: A depositional landform of sand or shingle extending from the coastline into the sea, attached at one end to the land and terminating offshore. Spits often curve at the tip due to wave refraction and secondary winds.
沙嘴：由沙或砾石组成的堆积地貌，从海岸线向海延伸，一端连接陆地，另一端终止于海中。沙嘴的尖端常因波浪折射和次生风而发生弯曲。
Dune succession: The sequence of plant colonisation and stabilisation of coastal sand dunes, from pioneer species (e.g. marram grass) to woodland climax. This process is an example of psammosere.
沙丘演替：沿海沙丘上植被定植并使之稳定的序列，从先锋物种（如滨草）到树林顶极群落。该过程是沙生演替的实例。
3. Tectonic Hazards | 构造灾害
Plate boundary (margin): The edge where two tectonic plates meet. Boundaries are classified as convergent, divergent or transform, each generating distinctive landforms and hazards.
板块边界（板块边缘）：两个构造板块相接的边缘地带。边界分为汇聚型、分离型和转换型，各自产生不同的地貌与灾害。
Subduction zone: A convergent boundary where an oceanic plate descends beneath a continental or younger oceanic plate, creating deep ocean trenches and triggering seismic and volcanic activity due to partial melting at depth.
俯冲带：大洋板块俯冲到大陆板块或较年轻的大洋板块之下的汇聚型边界，形成深海沟，并因深部部分熔融而引发地震与火山活动。
Focus (hypocentre): The underground point within the Earth where an earthquake originates. Seismic waves radiate outward from this point; the depth of focus strongly influences surface impact.
震源：地震发震的地下起始点。地震波由此向外辐射；震源深度显著影响地表破坏程度。
Epicentre: The point on the Earth’s surface directly above the focus. The strongest shaking is usually experienced here, though local geology can modify the pattern.
震中：地表位于震源正上方的点。通常此处震动最强，但当地地质条件可改变其分布。
Shield volcano: A broad, gently sloping volcano built by successive low-viscosity basaltic lava flows. Eruptions are typically effusive rather than explosive, often found at divergent boundaries and hotspots.
盾状火山：由低黏度玄武岩熔岩流反复堆积而成的宽阔平缓火山。喷发通常为溢流式而非爆发式，常见于分离型边界和热点地区。
Aseismic design: Engineering techniques used to make buildings and infrastructure resistant to earthquake shaking, such as base isolation, reinforced concrete frames and tuned mass dampers.
抗震设计：使建筑与基础设施能够抵御地震摇晃的工程措施，如基础隔震、钢筋混凝土框架和调谐质量阻尼器。
4. Weather Hazards & Climate Change | 天气灾害与气候变化
Tropical cyclone (hurricane/typhoon): An intense low-pressure system with sustained high winds and heavy rainfall, formed over tropical oceans with sea temperatures above 26.5 °C. The Coriolis effect imparts rotation, while latent heat release powers the storm.
热带气旋（飓风/台风）：一种强烈的低气压系统，持续高风速和强降雨，形成于海温超过 26.5 °C 的热带海洋。科里奥利力赋予其旋转，潜热释放则为风暴提供能量。
Storm surge: The abnormal rise in sea level during a cyclone or intense low-pressure event, caused by strong winds piling water toward the shore and reduced atmospheric pressure lifting the sea surface.
风暴潮：气旋或强烈低压事件期间海平面的异常升高，由强风将水体推向岸边以及低压使海面抬升共同造成。
Enhanced greenhouse effect: The intensification of Earth’s natural greenhouse effect due to increased concentrations of greenhouse gases (CO₂, CH₄) from human activities, leading to global warming and climate disruption.
增强温室效应：由于人类活动增加温室气体（CO₂、CH₄）浓度，导致地球自然温室效应加剧，进而引发全球变暖与气候失调。
Mitigation (climate): Actions taken to reduce or prevent the emission of greenhouse gases, such as switching to renewable energy, improving energy efficiency and afforestation.
减缓（气候）：为减少或防止温室气体排放而采取的行动，如转向可再生能源、提高能源效率和植树造林。
Adaptation (climate): Adjustments in natural or human systems to cope with the actual or expected impacts of climate change, for example building sea walls, adopting drought-resistant crops or improving early warning systems.
适应（气候）：自然或人类系统应对实际或预期气候变化影响的调整措施，如修建海堤、采用抗旱作物或改进预警系统。
Anomalous weather: Unusual or extreme weather conditions that deviate significantly from the long-term average for a given location and time of year, such as a record-breaking heatwave in a normally cool region.
异常天气：显著偏离某一地点特定时间多年平均状态的异常或极端天气状况，如通常凉爽地区出现的破纪录热浪。
5. Ecosystems & Biodiversity | 生态系统与生物多样性
Biome: A large-scale ecosystem characterised by distinct climate, flora and fauna, such as tropical rainforest, savanna, tundra or hot desert. Biomes are largely determined by latitude and atmospheric circulation.
生物群系：以独特气候、植物和动物为特征的大尺度生态系统，如热带雨林、稀树草原、苔原或热带荒漠。生物群系的分布主要取决于纬度和大气环流。
Nutrient cycling: The continuous transfer of nutrients between the atmosphere, soil, biomass and litter within an ecosystem. The tightness of the cycle varies with climate; tropical rainforests have rapid, tight cycling.
养分循环：养分在生态系统内大气、土壤、生物量和凋落物之间的持续迁移。循环的紧密程度随气候而异；热带雨林的循环快速且紧密。
Biodiversity hotspot: An area of exceptional species richness and endemism under severe threat from human activity. To qualify, a region must have at least 1500 endemic vascular plant species and have lost at least 70% of its original habitat.
生物多样性热点：物种丰富度和特有性极高且受人类活动严重威胁的区域。一个区域至少要有 1500 种特有维管植物并已丧失至少 70% 的原始生境才算合格。
Deforestation: The large-scale removal of forest cover, often driven by logging, agricultural expansion and urbanisation. In the tropical rainforest, deforestation disrupts the water cycle, reduces biodiversity and releases stored carbon.
森林砍伐：通常由伐木、农业扩张和城市化驱动的大规模森林清除。在热带雨林中，砍伐扰乱水循环、降低生物多样性并释放储存的碳。
Interdependence: The mutual reliance of species and components within an ecosystem. For example, fig trees provide food for frugivores, which disperse the tree’s seeds, while decomposers recycle nutrients essential for plant growth.
相互依存：生态系统内各物种与组分之间的相互依赖关系。例如，榕树为食果动物提供食物，食果动物传播树种，分解者再循环养分供植物生长。
Succession: The orderly, progressive change in the species composition of a community over time, from pioneer species to a climax community. Primary succession occurs on newly exposed surfaces; secondary succession follows disturbance.
演替：群落物种组成随时间推移发生的有序渐进变化，从先锋物种到顶极群落。原生演替发生在新生表面上，次生演替发生在扰动之后。
6. Urbanisation & Urban Issues | 城市化与城市问题
Urbanisation: The increase in the proportion of a country’s population living in towns and cities, driven by rural-to-urban migration and natural population growth. The global urban population now exceeds the rural one.
城市化：一个国家居住于城镇和都市的人口比例不断上升的过程，由乡村向城市的迁移和城市自然人口增长共同驱动。当前全球城市人口已超过农村人口。
Megacity: A metropolitan area with a total population exceeding 10 million people. Megacities are often concentrated in Asia and Africa and face severe challenges in housing, transport and service provision.
特大城市：总人口超过 1000 万的大都市区。特大城市多集中在亚洲和非洲，面临住房、交通和服务供给方面的严峻挑战。
Urban sprawl: The low-density, unplanned outward spread of a city into surrounding rural land, consuming natural habitats and increasing dependency on private vehicles. It often results in fragmented land use and social segregation.
城市蔓延：城市低密度、缺乏规划地向周围农村土地扩散，蚕食自然生境并加剧对私人小汽车的依赖。常导致土地利用碎片化和社会隔离。
Sustainable urban living: Approaches to city design that balance environmental protection, economic development and social wellbeing, including efficient public transport, green roofs, renewable energy and accessible green spaces.
可持续城市生活：平衡环境保护、经济发展与社会福祉的城市设计方法，包括高效公共交通、绿色屋顶、可再生能源和无障碍绿地。
Gentrification: The process by which older, often run-down inner-city areas are upgraded and middle-income groups move in, raising property values but potentially displacing original lower-income residents.
绅士化（中产阶层化）：老旧、往往破败的内城区经过改造后，中等收入群体迁入，使房产价值上升，但可能迫使原有低收入居民外迁的过程。
Informal economy: Economic activities and jobs that are not regulated or protected by the state, common in lower-income countries. While they provide livelihoods, workers often lack security, benefits and legal protection.
非正规经济：未受国家监管或保护的经济活动与就业形式，在低收入国家十分普遍。虽提供生计，但从业者常缺乏保障、福利与法律保护。
7. Development & Global Inequalities | 发展与国际不平等
Gross Domestic Product (GDP) per capita: The total value of goods and services produced within a country in one year, divided by the population. It is a widely used indicator of economic development, though it ignores informal activity and income distribution.
人均国内生产总值（人均GDP）：一个国家一年内生产的商品和服务的总价值除以人口数量。它是广泛使用的经济发展指标，但忽略了非正规活动和收入分配。
Human Development Index (HDI): A composite index measuring life expectancy at birth, mean and expected years of schooling, and GNI per capita (PPP). HDI ranks countries on a scale from 0 to 1 to capture broader aspects of human welfare.
人类发展指数（HDI）：一个综合指数，衡量出生时预期寿命、平均和预期受教育年限以及按购买力平价计算的人均国民总收入。HDI 以 0 到 1 的尺度对国家排序，以反映更广泛的人类福祉。
North-South divide (Brandt Line): The socio-economic and political division between the wealthy, industrialised ‘Global North’ and the poorer ‘Global South’. The classic Brandt Line runs roughly along latitude 30° N, though the pattern has become more complex.
南北分异（勃兰特线）：富裕的工业化“全球北方”与较贫穷的“全球南方”之间的社会经济和政治分化。经典的勃兰特线大致沿北纬 30° 分布，但这一格局已日渐复杂。
Dependency theory: The view that underdevelopment in some countries is a consequence of historical and ongoing exploitation by developed nations through colonial ties, unfair trade terms and debt, keeping poorer regions dependent.
依附理论：认为某些国家的不发达是由于发达国通过殖民联系、不平等贸易条款和债务对其他地区进行历史和持续剥削，从而使较贫困地区保持依附状态的观念。
Intermediate technology: Low-cost, labour-intensive technology suited to the skills, resources and needs of local communities, often promoted as an appropriate way to raise living standards without increasing debt or environmental damage.
中间技术：适合当地社区技能、资源和需求的低成本、劳动密集型技术，常作为在不过度增加债务或环境损害的情况下提高生活水平的适当方式加以推广。
Aid (bilateral / multilateral): Financial or material assistance given from one country to another (bilateral) or through international organisations like the UN or World Bank (multilateral), intended to support development or provide emergency relief.
援助（双边/多边）：一国向另一国（双边）或通过联合国、世界银行等国际组织（多边）提供的资金或物资帮助，旨在支持发展或提供紧急救济。
8. Resource Management (Food, Water, Energy) | 资源管理（食物、水、能源）
Food security: The state in which all people at all times have physical, social and economic access to sufficient, safe and nutritious food that meets their dietary needs for an active and healthy life.
粮食安全：所有人在任何时候都能从物质、社会和经济上获得充足、安全和富有营养的食物，满足其积极健康生活所需的膳食需求的状态。
Water stress: A condition where annual water supplies drop below 1700 m³ per person, or where demand for water exceeds the amount available during a certain period. Physical and economic water scarcity can overlap.
水资源压力：年人均供水量低于 1700 立方米，或某一时期需水量超过可用水量的状况。物理性缺水与经济性缺水可同时存在。
Virtual water: The hidden volume of water used in the production of a commodity, from growing crops to manufacturing goods. Trading goods thus trades embedded water, which can relieve water-poor countries.
虚拟水：生产一种商品所隐藏的用水量，涵盖农作物种植到制成品的过程。因此，商品贸易也交易了嵌入的水资源，这有助于缓解缺水国家的压力。
Energy mix: The combination of different primary energy sources used to meet a country’s energy demand, including fossil fuels, nuclear power and renewables. Diversifying the mix can improve energy security and reduce emissions.
能源组合：满足一国能源需求的不同一次能源的组合，包括化石燃料、核能和可再生能源。多元化组合可提高能源安全并减少排放。
Renewable energy: Energy derived from natural processes that are replenished constantly, such as solar radiation, wind, tidal flows, wave power and geothermal heat. They typically produce lower lifecycle emissions than fossil fuels.
可再生能源：源自不断自然补充的天然过程的能源，如太阳辐射、风、潮汐流、波浪能和地热。其生命周期排放通常低于化石燃料。
Sustainable yield: The rate at which a resource can be exploited without depleting it for future generations, whether for timber, fish stocks or groundwater. It is a cornerstone of renewable resource management.
可持续产量：在不耗尽资源、不影响后代利用的前提下，开发利用资源的速率，适用于木材、鱼类资源或地下水等，是可再生资源管理的核心理念。
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