Year 10 CIE Geography: Core Knowledge Review | Year 10 CIE 地理：核心知识点梳理

📚 Year 10 CIE Geography: Core Knowledge Review | Year 10 CIE 地理：核心知识点梳理

This comprehensive guide covers the essential topics in the Year 10 CIE IGCSE Geography syllabus, providing a structured review of key concepts, case studies, and skills required for success. From population dynamics to environmental sustainability, each section breaks down critical knowledge into digestible parts.

这份综合指南涵盖了 Year 10 CIE IGCSE 地理课程的核心内容，系统地梳理了关键概念、案例研究和应试技能。从人口动态到环境可持续性，每个部分都将重要知识拆解为易于理解的模块。

1. Population Dynamics | 人口动态

Population change is driven by birth rate (live births per 1000 per year), death rate (deaths per 1000 per year), and migration. The natural increase rate is simply birth rate minus death rate. A country with 30 births and 8 deaths per 1000 has a natural increase of 22 per 1000 (2.2%). The Demographic Transition Model (DTM) describes how populations evolve through five stages from high stationary (Stage 1) to low stationary (Stage 5), linked to economic development.

人口变化由出生率（每年每千人的活产数）、死亡率（每年每千人的死亡数）和迁移推动。自然增长率就是出生率减去死亡率。一个出生率30‰、死亡率8‰的国家自然增长率为22‰（2.2%）。人口转变模型（DTM）描述了人口如何随着经济发展从高位静止阶段（第一阶段）演变到低位静止阶段（第五阶段），共五个阶段。

Overpopulation occurs when there are too many people relative to resources, as seen in Bangladesh, while underpopulation means a shortage of workers to utilise resources, like in Australia. China’s now-relaxed one-child policy and Singapore’s ‘Three or More’ pro-natalist policies illustrate contrasting population management. Ageing populations in Japan (over 28% over 65) create pressures on pensions and healthcare, leading to policies to raise retirement age and encourage immigration.

当人口相对于资源过多时出现人口过剩，如孟加拉国；而人口不足意味着劳动力不足以利用资源，如澳大利亚。中国现已放宽的一胎化政策与新加坡“三个或更多”的鼓励生育政策，形成了人口管理的对比。日本老龄化（65岁以上超过28%）给养老金和医疗带来压力，促使其提高退休年龄并鼓励移民。

Population pyramids display the age-sex structure: a broad base (triangular shape) indicates high birth rate and youthful population, typical of Niger (Stage 2). A rectangular shape with a narrow tip shows low birth rate and ageing, like Italy (Stage 5). These pyramids help governments plan for future schools, jobs, and health services.

人口金字塔显示年龄—性别结构：宽阔的底部（三角形）表明高出生率和年轻型人口，如尼日尔（第二阶段）；矩形且顶部窄表示低出生率和老龄化，如意大利（第五阶段）。金字塔帮助政府为未来的学校、就业和卫生服务做出规划。

2. Migration | 人口迁移

Migration is the permanent or semi-permanent movement of people. Push factors (war, unemployment, natural disasters, persecution) drive people away; pull factors (job opportunities, safety, better services, family reunification) attract them. Types include internal vs. international, voluntary vs. forced, and temporary vs. permanent migration.

迁移是人口永久或半永久性的移动。推力因素（战争、失业、自然灾害、迫害）促使人们离开；拉力因素（就业机会、安全、更好的服务、家庭团聚）吸引人们前往。迁移类型包括国内与国际、自愿与强制、暂时与永久。

The case of Mexico–USA migration highlights economic disparities: push factors – low wages and limited jobs in rural Mexico; pull factors – higher pay and labour demand in US agriculture and construction. Remittances sent home support families but also widen inequality. Syrian refugees (forced migration) fleeing civil war since 2011 have created a regional crisis, with millions hosted in Turkey, Lebanon, and Jordan.

墨西哥—美国迁移案例凸显经济差距：推力因素——墨西哥农村低薪且就业机会少；拉力因素——美国农业和建筑业的高薪和劳动力需求。寄回家的汇款支撑了家庭，但也扩大了不平等。自2011年以来因内战逃难的叙利亚难民（被迫迁移）引发了地区性危机，土耳其、黎巴嫩和约旦收容了数百万人。

Migration consequences include cultural diversity, economic growth, and remittance flows, but also pressure on housing, education, and healthcare in receiving areas. Brain drain refers to the emigration of skilled workers, hurting source countries, while source areas may also experience a loss of young male labour and an ageing population.

迁移的后果包括文化多样性、经济增长和汇款流入，但也给接收地区的住房、教育和医疗带来压力。人才流失指技术工人移出，损害来源国，同时来源地可能经历年轻男性劳动力流失和人口老龄化。

3. Settlement Patterns and Urbanization | 聚落模式与城市化

Settlements range from isolated dwellings to megacities, with a hierarchy based on population size, threshold, and range of services. High-order services like specialist hospitals and universities need a large threshold population and are found in large urban centres. The Burgess concentric zone model and Hoyt sector model explain urban land use patterns, with the Central Business District (CBD) at the core.

聚落从孤立的住所到特大城市不等，根据人口规模、门槛和服务范围形成等级体系。专科医院和大学等高阶服务需要大量门槛人口，通常位于大城市的中心。伯吉斯的同心圆模型和霍伊特的扇形模型解释了城市土地利用模式，中央商务区（CBD）位于核心。

Urbanisation is rising rapidly in LEDCs (less economically developed countries) due to rural–urban migration and natural increase. This leads to growth of squatter settlements (e.g., Kibera in Nairobi, Dharavi in Mumbai) with lack of clean water, sanitation, and secure tenure. Shanty town upgrading projects provide basic infrastructure and self-help housing schemes, such as the Favela Bairro programme in Rio de Janeiro.

欠发达国家的城市化正因城乡迁移和自然增长而迅速上升，导致棚户区（如内罗毕的基贝拉、孟买的达拉维）扩大，这些地方缺乏清洁用水、卫生设施和土地权保障。棚户区改造项目提供基本基础设施和自助住房计划，例如里约热内卢的“贫民区邻里”项目。

In MEDCs (more economically developed countries), suburbanisation and counter-urbanisation have occurred, with people moving to rural–urban fringe for better environment. Recent gentrification and re-urbanisation have revived inner-city areas, but can displace original residents. Sustainable urban planning promotes public transport, green spaces, and mixed-use development to reduce environmental impact.

在较发达国家，发生了郊区化和逆城市化，人们为追求更好环境迁往城乡结合部。近来的绅士化和再城市化复兴了内城区，但可能使原居民被迫迁离。可持续城市规划提倡公共交通、绿地和混合用途开发，以减少环境影响。

4. River Processes and Landforms | 河流过程与地貌

Rivers shape the landscape through erosion (hydraulic action, abrasion, attrition, solution), transport (traction, saltation, suspension, solution), and deposition. The velocity and discharge of a river determine its capacity and competence. Discharge is calculated as Q = A × v, where Q is discharge (m³/s), A is cross-sectional area (m²), and v is velocity (m/s).

河流通过侵蚀（水力作用、磨蚀、磨耗、溶蚀）、搬运（推移、跃移、悬移、溶解）和沉积作用塑造地貌。河流的流速和流量决定了其容量和搬运力。流量计算公式为 Q = A × v，其中 Q 为流量（立方米/秒），A 为横截面积（平方米），v 为流速（米/秒）。

In the upper course, steep gradients and vertical erosion create V-shaped valleys, interlocking spurs, and waterfalls (e.g., High Force on the River Tees). As the river enters its middle course, lateral erosion widens the valley, forming meanders. Over time, meanders may be cut off to create ox-bow lakes, and flat floodplains develop due to deposition during floods.

在上游，陡峭的坡降和下切侵蚀形成V形谷、交错山嘴和瀑布（如蒂斯河上的海福斯瀑布）。当河流进入中游，侧蚀拓宽河谷，形成曲流。随着时间推移，曲流可能被裁弯取直形成牛轭湖，由于洪水期沉积作用形成了平坦的泛滥平原。

Flooding occurs when heavy or prolonged rain exceeds the river’s channel capacity. Human factors such as deforestation and urbanisation increase surface runoff and flood risk. Management includes hard engineering (dams, embankments, channel straightening) and soft engineering (afforestation, floodplain zoning, wetland creation). The River Tees in northeast England provides a classic case study of landform changes from source to mouth.

当大量或持续降雨超出河道容量时发生洪水。毁林和城市化等人类因素增加了地表径流和洪水风险。管理措施包括硬工程（水坝、堤防、河道截弯取直）和软工程（造林、洪泛区区域规划、湿地建设）。英格兰东北部的蒂斯河为从源头到河口的典型地貌变化案例。

5. Coastal Processes and Landforms | 海岸过程与地貌

Coastal erosion is driven by hydraulic pressure, abrasion (sand and pebbles scraping the cliff), and corrosion (chemical dissolution of limestone). These processes create headlands and bays where alternating hard and soft rock occurs. Further erosion forms caves, arches, stacks, and wave-cut platforms, such as Old Harry Rocks in Dorset.

海岸侵蚀由水力冲击、磨蚀（沙砾磨蚀悬崖）和溶蚀（石灰岩的化学溶解）驱动。在硬软交替的岩石处形成海岬和海湾。进一步侵蚀形成海蚀洞、海蚀拱、海蚀柱和海蚀平台，如多塞特的“老哈里岩”。

Longshore drift transports sediment along the coast in a zigzag pattern due to prevailing wind and wave approach. Deposition builds beaches, spits (e.g., Spurn Head), and bars (e.g., Slapton Ley). These landforms depend on the supply of sediment from rivers and cliff erosion.

沿岸漂移在盛行风和波浪作用下，以之字形方式搬运沉积物。沉积形成了海滩、沙嘴（如斯珀恩角）和沙坝（如斯拉普顿湖）。这些地貌依赖于河流和悬崖侵蚀提供的泥沙补给。

Coastal management aims to protect property and land. Hard engineering includes sea walls, groynes, and rock armour; soft engineering uses beach nourishment, dune stabilisation, and managed retreat. The Holderness Coast in Yorkshire is Europe’s fastest-eroding coastline, retreating by about 2 metres per year. Sea-level rise linked to climate change is magnifying flood risk in low-lying areas like Bangladesh and the Netherlands.

海岸管理旨在保护财产和土地。硬工程包括海堤、防波堤和抛石护岸；软工程采用海滩养护、沙丘固沙和有控制的后退。约克郡的霍尔德内斯海岸是欧洲侵蚀最快的海岸线，每年后退约2米。气候变化导致的海平面上升加剧了孟加拉国和荷兰等低洼地区的洪水风险。

6. Weather, Climate and Natural Vegetation | 天气、气候与天然植被

Weather elements include temperature, precipitation, humidity, wind speed, and air pressure, measured using thermometers, rain gauges, and barometers inside a Stevenson Screen. Climate graphs average these elements over 30 years. The UK experiences a temperate maritime climate, while equatorial areas remain hot and wet year-round.

天气要素包括温度、降水、湿度、风速和气压，通过百叶箱内的温度计、雨量计和气压计进行测量。气候图是这些要素30年的平均值。英国属于温带海洋性气候，而赤道地区全年炎热多雨。

Climate is influenced by latitude, altitude, distance from the sea, ocean currents, and prevailing winds. Tropical rainforests (e.g., Amazon) have high rainfall (over 2000 mm/year) and high biodiversity with distinct layers: emergent, canopy, understory, and forest floor. Hot deserts (e.g., Sahara) receive less than 250 mm annual rainfall and feature plants like cacti with water-storing adaptations.

气候受纬度、海拔、距海距离、洋流和盛行风的影响。热带雨林（如亚马逊）年降水量高（超过2000毫米），生物多样性高，分层清晰：露出层、树冠层、下层木和林地层。热带沙漠（如撒哈拉）年降水量小于250毫米，植物如仙人掌具有储水适应特征。

Ecosystem dynamics involve nutrient cycling (leaching in rainforests, slow decomposition in deserts) and food webs. Deforestation in the Amazon driven by cattle ranching, logging, and soybean farming reduces biodiversity and releases CO₂. Sustainable management includes agroforestry, selective logging, and ecotourism. The importance of mangroves as coastal buffers and fishery nurseries is increasingly recognised.

生态系统动态包括养分循环（雨林淋溶、沙漠缓慢分解）和食物网。亚马逊地区因养牛、伐木和大豆种植导致的森林砍伐减少了生物多样性并释放CO₂。可持续管理包括农林复合经营、选择性采伐和生态旅游。红树林作为海岸缓冲区和渔业育种场的重要性正得到越来越多的认可。

7. Agricultural and Industrial Systems | 农业与工业体系

An agricultural system comprises inputs (seeds, labour, capital, climate), processes (ploughing, sowing, irrigating), and outputs (crops, livestock products). Types range from subsistence rice farming in Bangladesh to commercial wheat farming in the Canadian Prairies. The Green Revolution introduced high-yielding variety seeds, fertilisers, and irrigation, greatly increasing yields but causing soil degradation and water depletion.

农业系统包括投入（种子、劳动力、资本、气候）、过程（犁耕、播种、灌溉）和产出（作物、畜产品）。类型从孟加拉国的自给性水稻种植到加拿大大草原的商品化小麦种植不等。绿色革命引入了高产品种种子、化肥和灌溉，大幅提高了产量，但造成了土壤退化和水资源枯竭。

Industry is classified into four sectors: primary (extracting raw materials), secondary (manufacturing), tertiary (services), and quaternary (research and development). Location factors for factories include access to raw materials, energy, labour, transport, and markets. High-tech industries, such as in Silicon Valley, cluster together to benefit from agglomeration economies (sharing skills, suppliers, and knowledge).

产业分为四个部类：第一产业（原材料采掘）、第二产业（加工制造）、第三产业（服务业）和第四产业（研发）。工厂的区位因素包括接近原材料、能源、劳动力、交通和市场。高科技产业，如硅谷，通过集聚在一起获得集聚经济效益（共享技能、供应商和知识）。

Deindustrialisation in regions like the UK’s ‘Rust Belt’ results from factory closures and shifts to service economy, causing unemployment and urban decay. Transnational corporations (TNCs) like Nike locate production in LEDCs for low-cost labour, creating jobs but often criticised for poor working conditions. Sustainable industry principles promote renewable energy, waste reduction, and fair trade.

英国“铁锈地带”等地区的去工业化源于工厂关闭和向服务经济转型，导致失业和城市衰退。耐克等跨国公司将生产放在欠发达国家以利用廉价劳动力，创造就业的同时也常因恶劣的工作条件受到批评。可持续工业原则提倡可再生能源、减少废物和公平贸易。

8. Sustainable Development and Environmental Risks | 可持续发展与环境风险

Sustainable development meets the needs of the present without compromising the ability of future generations to meet their own needs. It rests on three pillars: economic viability, social equity, and environmental protection. Resource depletion from overfishing, mining, and deforestation threatens long-term sustainability, while climate change represents a global challenge demanding coordinated action.

可持续发展指满足当代需求而不损害后代满足其需求的能力。它基于三大支柱：经济可行性、社会公平和环境保护。过度捕捞、采矿和森林砍伐导致的资源耗竭威胁长期可持续性，而气候变化是需要全球协调应对的一项挑战。

Environmental risks include tectonic hazards (earthquakes, volcanoes, tsunamis) and weather hazards (tropical storms, droughts). The Haiti earthquake (2010, magnitude 7.0) killed over 200,000 due to poor building standards, while the Japan Tohoku earthquake 2011 (magnitude 9.0) triggered a tsunami and nuclear crisis but fewer casualties due to strict preparedness. Management focuses on prediction, protection, and planning.

环境风险包括地壳构造灾害（地震、火山、海啸）和天气灾害（热带风暴、干旱）。2010年海地地震（7.0级）因建筑标准低导致超过20万人死亡，而2011年日本东北地震（9.0级）引发了海啸和核危机，但因严格的备灾工作而伤亡较少。管理侧重于预测、保护和规划。

Disaster risk reduction involves early warning systems, land-use zoning, and community education. International agreements such as the Paris Accord (2015) aim to keep global temperature rise well below 2°C by cutting greenhouse gas emissions. On a local scale, renewable energy projects, recycling, and sustainable transport help reduce ecological footprints and build resilience.

减少灾害风险涉及早期预警系统、土地用途分区和社区教育。巴黎协定（2015年）等国际协议旨在通过削减温室气体排放，将全球气温上升控制在远低于2°C。在地方层面，可再生能源项目、回收利用和可持续交通有助于减少生态足迹并增强抵御能力。

Published by TutorHao | Geography Revision Series | aleveler.com

更多咨询请联系16621398022（同微信）

Year 10 CIE Geography: Core Knowledge Review | Year 10 CIE 地理：核心知识点梳理