� Geography Study Notes
1.
Branches of Geography
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Physical Geography
o Studies natural processes and landforms.
o Key areas: climate, weather, vegetation, soils, hydrology, landforms.
Human Geography
o Focuses on people, cultures, economies, and interactions with space.
o Key areas: population, urbanization, political geography, development.
Geospatial Techniques
o Tools and methods for studying geography.
o Includes GIS (Geographic Information Systems), remote sensing, cartography.
2.
Five Themes of Geography
1. Location
o Absolute: exact coordinates (latitude/longitude).
o Relative: position compared to other places.
2. Place
o Human characteristics: culture, language, architecture.
o Physical characteristics: climate, terrain, natural resources.
3. Human–Environment Interaction
o How people adapt to and modify their environment.
o Examples: agriculture, urban sprawl, deforestation.
4. Movement
o Flow of people, goods, information, and ideas.
o Example: migration, global trade, diffusion of culture.
5. Region
o Formal (political boundaries), Functional (economic networks), Perceptual
(cultural identity).
3.
Key Concepts
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Latitude & Longitude
o Latitude = horizontal lines (Equator = 0°).
o Longitude = vertical lines (Prime Meridian = 0°).
Scale
o Relationship between distance on a map and actual distance.
Globalization
o Increasing interconnectedness of economies, politics, and culture.
4.
Physical Systems
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Plate Tectonics
o Earth’s lithosphere is divided into plates.
o Interactions → earthquakes, volcanoes, mountain building.
Climate Zones
o Tropical, Arid, Temperate, Polar.
o Influenced by latitude, elevation, ocean currents.
Biomes
o Large ecosystems: rainforest, savanna, desert, tundra, etc.
5.
Human Systems
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Population
o Distribution: clustered near coasts, rivers, fertile land.
o Demographic Transition Model (DTM): explains population growth shifts with
development.
Urbanization
o Movement from rural → urban areas.
o Creates megacities (10M+ people), challenges include housing, infrastructure,
sustainability.
Economic Systems
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Primary (farming, mining), Secondary (manufacturing), Tertiary (services),
Quaternary (knowledge).
6.
Geopolitics
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Nation vs. State
o Nation = cultural group; State = political territory.
Borders & Boundaries
o Natural (rivers, mountains) vs. artificial (drawn lines).
Conflicts & Resources
o Access to water, oil, and fertile land often causes disputes.
7.
Environmental Issues
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Climate Change
o Rising temperatures, melting ice caps, rising sea levels.
Deforestation
o Loss of biodiversity, impact on carbon cycle.
Sustainability
o Meeting today’s needs without compromising future generations.
o Linked to SDGs (UN Sustainable Development Goals).
� Exam Tip: Always tie physical and human geography together. Example: Climate change
(physical) impacts food security (human).