World Geography Units
Unit 1: Geography and Geographers
- Geography
- Systematic and Regional Geography
- Ancient Geographers
- Medieval Geographers
- Modern Geographers
- Geographical Thought
Unit 2: Astronomy
- Observable Universe
- Universe Structure
- Universe Origin Theories
- Universe Evolution
- Cosmic Inflation
- Dark Matter
- Dark Energy
- Universal Expansion and Redshift
- Space-Time
- Galaxy Types
- Galaxy Evolution
- Active Galactic Nuclei
- Black Holes
- Milky Way Galaxy
- Milky Way Neighbours
- Stellar Properties
- Stellar Formation and Evolution
- Stellar Structure
- Stellar Evolution Factors
- Novae and Supernovae
- Neutron Stars
- X-Ray Stars
- Black Hole Types
- Binary Stars
- Interstellar Medium
- Nebulae
- Cosmic Rays
- Galaxy Groups and Clusters
- Solar System Formation
- Sun
- Planets
- Mercury
- Venus
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Asteroids
- Comets
- Meteors and Meteorites
- Kuiper Belt
- Plutinos
- Earth Formation and Evolution
- Black Hole Detection
- Black Hole Structure
- Black Hole Properties
- Wormholes
- Cosmic Strings
- Dwarf Galaxies
- Earth’s Galactic Movement
- Milky Way Night View
- Andromeda Galaxy
- Radio Galaxies
- Magellanic Clouds
- Nebula Types
- Quasars
- Asterisms
- Nearest Stars
- Sun’s Red Giant Phase
- Cosmic Microwave Background
- Universe Composition
- Solar System Structure
- Solar Structure
- Solar Mass and Composition
- Solar Rotation
- Planetary Rings
- Terrestrial Planets
- Gas Giants
- Martian Ice Caps
- ALH84001 Meteorite
- Life on Mars
- Jupiter’s Great Red Spot
- Jupiter’s Rings
- Jupiter’s Moons
- Jupiter and Earth
- Jupiter’s Protective Role
- Saturn’s Rings
- Saturn’s Moons
- Asteroid Belt
- Important Galaxies
- Comet Shoemaker-Levy 9
- Meteor Sources
- Meteorite Types
- Meteor Showers
- Cosmic Ray Sources
Unit 3: Geology
- Lithosphere
- Rocks
- Volcanoes
- Faulting
- Earthquakes
- Geology
- Longitudes
- Earth’s Radius and Circumference
- Earth’s Internal Structure
- Earth’s Crust
- Conrad Discontinuity
- Earth’s Mantle
- Mantle Convection
- Earth’s Core
- Core Discovery
- Earth Layer Densities
- Earth’s Magnetic Field
- Geomagnetic Protection
- Magnetic Field Reversals
- Geomagnetic Intensity Gradient
- Magnetic Dip
- Geomagnetic Equator
- Equatorial Electrojet
- Earth’s Magnetosphere
- Magnetopause and Magnetotail
- Van Allen Belts
- Magnetospheric Storms
- Plate Tectonics
- Continental Drift Theory
- Plate Movements
- Seafloor Spreading
- Subduction
- Faulting
- Faulting and Folding
- Lithospheric Plates
- Plate Boundaries
- Convergent Boundaries
- Divergent Boundaries
- Earthquake Types
- Earthquake Sequence
- Hypocentre and Epicentre
- Tectonic Earthquake Mechanism
- Earthquake Belts
- Magnitude and Intensity
- Richter Scale
- Moment Magnitude Scale
- Shindo Scale
- Medvedev-Sponheuer-Karnik Scale
- Seismic Waves
- Seismic Earth Structure
- Epicentre Determination
- Seismic Shadow Zone
- Earthquake Liquefaction
Unit 4: Geomorphology
- Rivers and Lakes
- Lakes
- Landforms
- Plains
- Second-Order Landforms
- Weathering Forces
- Fluvial Landforms
- Alluvial Fans and Cones
- Glacial Landforms
- Aeolian Landforms
- Coastal Landforms
- Land Relief
- Geological Provinces
- Continental Shields
- Orogeny
- Mountain Types
- Orogenic Stages
- Plateaus
- Plateau Formation
- Plateau Types
- Plateau Importance
- Landform Classification
- Aeolian Processes
- Fluvial Processes
- Erosional Landforms
- Coastal and Oceanic Landforms
- Coastal Landform Formation
- Volcanic Landforms
- Mountain and Glacial Landforms
- Slope Landforms
- Rocks and Minerals
- Igneous Rocks
- Sedimentary Rocks
- Metamorphic Rocks
- Limestone
- Limestone Types
- Limestone Distribution
- Other Sedimentary Rocks
- Exogenic Forces
- Endogenic Forces
- Weathering
- Weathering Types
- Physical Weathering
- Biological Weathering
- Chemical Weathering
- Mass Wasting
- Mass Wasting Types
- Induced Mass Wasting
- Erosion
Unit 5: Climatology and Meteorology
- Thermal Anomalies
- Earth-Sun Distance
- Temperature Inversion
- Atmospheric Pressure and Winds
- Seasonal Pressure Distribution
- Westerlies
- Local Winds
- Monsoon Winds
- Jet Streams
- Wind Direction and Velocity
- Cyclones
- Atmospheric Moisture
- Clouds
- Rainfall
- Dry Climates
- Climate
- Atmospheric Structure
- Blizzards
- Earth’s Atmosphere
- Atmospheric Composition
- Troposphere and Tropopause
- Stratosphere and Stratopause
- Mesosphere and Mesopause
- Thermosphere and Ionosphere
- Auroras
- Exosphere
- Atmosphere and Insolation
- Atmospheric Solar Radiation
- Radiation Heat Transfer
- Convection Heat Transfer
- Conduction Heat Transfer
- Advection Heat Transfer
- Latent Heat
- Earth’s Albedo
- Earth’s Energy Budget
- Temperature Distribution
- Global Temperature Zones
- Global Isotherms
- Daily Temperature Variation
- Annual Temperature Range
- Atmospheric Pressure
- Pressure Belts
- Pressure Belt Formation
- Intertropical Convergence Zone
- Subtropical Highs
- Global Pressure Belts
- Global Winds
- Trade Winds
- Westerlies
- Polar Easterlies
- Local Winds
- Mountain Winds
- Major Local Winds
- Traditional Monsoon Theory
- Modern Monsoon Theory
- Rainfall
- Atmospheric Cooling
- Convectional Rainfall
- Frontal Rainfall
- Orographic Rainfall
- Rainfall Distribution
- Air Masses
- Air Mass Weather
- Weather Fronts
- Frontogenesis and Frontolysis
- Front Types
- Cyclone Formation
- Tropical and Temperate Cyclones
- Tropical Cyclones
- Tropical Cyclone Types
- Cyclone Landfall Effects
- Project Stormfury
- Cyclone Naming
- Anticyclones
- Temperate Cyclones
- Tornadoes
- Tornado Formation
- Tornado Detection
- Fujita Scale
- TORRO Scale
- Tornado Infrasound
- Tornado Electromagnetic Signatures
Unit 6: Hydrology
- Hydrology and Hydrosphere
- Hydrological Cycle
- Water Budget
- Earth’s Water Distribution
- Global Water Resources
- Water Residence Time
- Blue, Green and Grey Water
- Precipitation Forms and Measurement
- Global Rainfall Distribution
- Infiltration and Soil Water
- Soil Moisture Movement
- Runoff
- Drainage Basins
- Groundwater Distribution
- Aquifer Types
- Aquiclude, Aquitard and Aquifuge
- Water Table
- Groundwater Flow
- Groundwater Recharge and Discharge
- Springs
- Lake Formation and Types
- Lake Water Balance
- Lake Eutrophication
Unit 7: Oceanography
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Ocean Waves
- Pacific Ocean Currents
- Atlantic Ocean Currents
- Indian Ocean Currents
- Ocean Current Effects
- ENSO
- Tides
- Tidal Stages
- Spring and Neap Tides
- Apogean and Perigean Tides
- Daily Tidal Frequency
- Tidal Duration and Frequency
- Moonless Earth Tides
- Non-Tidal Sea Movements
- Tidal Terminology
- Tidal Ports
- Tides and Geomagnetism
- Equatorial Tidal Patterns
- Tides in Navigation
- Tides in Fishing
- Oceanography
- Ocean Relief
- Major Oceanic Points
- Ocean Relief Types
- Lagoons
- Coral Reefs
- Beaches
- Marine Sediments
- Marine Sediment Types
- Neritic and Pelagic Deposits
- Ocean Sediment Resources
- Ocean Temperature
- Ocean Temperature Trends
- Ocean Temperature Measurement
- Tropical Ocean Layers
- Daily Ocean Temperature Range
- Annual Ocean Temperature Range
- Ocean Temperature Distribution
- Latitudinal Ocean Temperature
- Horizontal and Vertical Temperature
- Ocean Salinity
- Salinity Controls
- Horizontal Salinity Distribution
- Vertical Salinity Distribution
- Ocean Currents
- Ocean Current Origins
- Drifts, Currents and Streams
- Warm and Cold Currents
- Surface and Deep Currents
- Atlantic Ocean Currents
- Currents and Global Winds
- Indian Ocean Currents
- Coriolis Effect on Currents
- Temperature and Currents
- Salinity and Currents
- Pressure, Winds and Currents
Unit 8: Glaciology
- Glacial Landforms
Unit 9: Pedology
- Soil
- Soil Classification
- Soil Types
- Soil Degradation
- Soil Conservation
- Soil Nature
- Soil Composition
- Humus
- Soil Texture
- Sandy Soil
- Clay Soil
- Loamy Soil
- Silt Soil
- Soil pH
- Soil pH Management
- Alkaline Soil Treatment
- Soil Air
- Soil Fertility
- Soil Horizons
- Soil Taxonomy
- Soil Taxonomy Types
Unit 10: Population Geography
- Population Distribution
- World Population Growth
- Population Structure
- Developing Country Population Problems
- Developed Country Population Problems
- Migration
- Migration Consequences
- Literacy
- Religious Composition
- Sex Ratio
- Urbanisation and Suburbanisation
Unit 11: Settlement Geography
- Settlement Geography
- Settlement Types
- Settlement Location Factors
- Rural Settlement Patterns
- Rural Settlement Factors
- Rural House Types
- Urban Settlement Patterns
- Town Classification
- Urban Models
- Urban Land Use
- Urban Fringe and Suburbs
- Satellite Towns
- Urbanisation and Suburbanisation
- Counter-Urbanisation
- Urban Sprawl
Unit 12: Economic Geography
- Economic Geography
- Natural Resources
- Pastoralism
- Agriculture
- Agricultural Types
- World Railway Networks
- Commercial Crops
- Major Crops
- Plantation Crops
- Fruits, Vegetables and Spices
- Mineral Resources
- World Minerals
- Conventional Energy Sources
- Renewable Energy Sources
- Manufacturing Industries
- Engineering Industries
- Factory Farming
- Livestock
- Dairy, Poultry and Fisheries
- Iron and Steel Industry
- Metal Smelting
- Industrial Machinery
- Railway Equipment
- Major Industries
- Pharmaceutical and Forest Industries
- Transport and Communications
- Railway Location Factors
- National Highways
- Railway Distribution
Unit 13: Geography of Asia
- Asian Countries
- Asian Plate Tectonics
- Asian Deserts
- Asian Climate Regions
- Asian Monsoon System
- Asian Natural Vegetation
- Asian Soils
- Asian Glaciers
- Asian Water Resources
- Asian Population Clusters
- Asian Cities
- Asian Agricultural Regions
- Asian Mineral Resources
- Asian Energy Resources
- Asian Industrial Regions
Unit 14: Geography of Africa
- African Countries
- African Rift System
- African Deserts
- African Climate Regions
- African Natural Vegetation
- African Soils
- African Water Resources
- African Population Clusters
- African Cities
- African Agricultural Regions
- African Mineral Resources
- African Energy Resources
- African Industrial Regions
Unit 15: Geography of Europe
- European Countries
- European Plate Tectonics
- European Climate Regions
- European Natural Vegetation
- European Soils
- European Glaciers
- European Water Resources
- European Population Clusters
- European Cities
- European Agricultural Regions
- European Mineral Resources
- European Energy Resources
- European Industrial Regions
Unit 16: Geography of North America
- North American Countries
- North American Plate Tectonics
- North American Deserts
- North American Climate Regions
- North American Vegetation
- North American Soils
- North American Glaciers
- North American Water Resources
- North American Population Clusters
- North American Cities
- North American Agricultural Regions
- North American Mineral Resources
- North American Energy Resources
- North American Industrial Regions
Unit 17: Geography of South America
- South American Countries
- South American Plate Tectonics
- South American Deserts
- South American Climate Regions
- South American Vegetation
- South American Soils
- South American Glaciers
- South American Water Resources
- South American Population Clusters
- South American Cities
- South American Agricultural Regions
- South American Mineral Resources
- South American Energy Resources
- South American Industrial Regions
Unit 18: Australia and Oceania
- Australia and Oceania Countries
- Australia-Oceania Plate Tectonics
- Australian Deserts
- Australia-Oceania Climate Regions
- Australia-Oceania Vegetation
- Australia-Oceania Soils
- Oceanian Glaciers
- Australia-Oceania Water Resources
- Australia-Oceania Population Clusters
- Australia-Oceania Cities
- Australian Agricultural Regions
- Australian Mineral Resources
- Australian Energy Resources
- Australian Industrial Regions
Unit 19: Geography of Antarctica
- Antarctic Physiographic Divisions
- Antarctic Climate
- Antarctic Ice Sheets
- Antarctic Natural Environment
- Antarctic Water Bodies
- Antarctic Resources
- Antarctic Research Stations
Unit 20: Geography of Arctic
- Arctic Countries and Regions
- Arctic Climate
- Arctic Ice Sheets
- Arctic Tundra
- Arctic Permafrost
- Arctic Water Bodies
- Arctic Population and Settlements
- Arctic Resources
- Arctic Energy Resources
Originally written on
December 25, 2016
and last modified on
July 21, 2026.