The Planetary Architecture
Lithosphere · Atmosphere · Hydrosphere · Biosphere (106 Realms)
WORLD A — EARTH, SPACE & PLANETARY FOUNDATIONS
REALM 01
Origin of Universe & Early Earth
- Early & Modern theories
- Big Bang Theory
- Formation of galaxies & stars
Stars, Solar System & Planets
- Star formation & Nebular concepts
- Formation of planets
- Terrestrial vs giant planets
Evolution of Earth
- Layered structure of Earth
- Evolution of lithosphere
- Evolution of atmosphere & hydrosphere
Origin of Life
- Early Earth environment
- Development of life
- Geographical conditions supporting life
Geological History of Earth
- Major geological eras
- Major evolutionary transitions
- Geological Time Scale
Latitude, Longitude & Coordinates
- Equator & Tropics
- Prime Meridian
- Grid system & Geographic coordinates
Motions of Earth & Effects
- Rotation & Revolution
- Inclination of Earth's axis
- Seasonal change & Solstices
Time, Date & Calendrical Geo
- Local & Standard time
- Time zones
- International Date Line
Eclipses & Geometry
- Solar & Lunar eclipse
- Alignment of Earth, Sun, Moon
- Types of eclipses
WORLD B — INTERIOR OF THE EARTH
REALM 10
Sources of Information
- Direct sources (Drilling, Mining)
- Indirect sources
- Seismic & Magnetic evidence
Seismic Waves
- P waves & S waves
- Body & Surface waves
- Velocity characteristics
Earth's Interior via Seismic
- Wave velocity changes
- Refraction & Reflection
- Shadow zones
Internal Structure of Earth
- Crust (Continental/Oceanic)
- Lithosphere & Asthenosphere
- Mantle & Core
Seismic Discontinuities
- Major discontinuities
- Crust–mantle boundary
- Mantle–core boundary
WORLD C — MINERALS & ROCKS
REALM 15
Minerals & Earth's Crust
- Minerals vs Elements
- Major elements of Earth's crust
- Mineral composition
Major Rock-Forming Minerals
- Feldspar & Quartz
- Pyroxene & Amphibole
- Mica & Olivine
Physical ID of Minerals
- Crystal form, Cleavage, Fracture
- Lustre, Colour, Streak
- Hardness & Specific gravity
Metallic & Non-Metallic Minerals
- Precious & Ferrous/Non-ferrous
- Sulphur & Phosphates
- Cement-related materials
Petrology & Rock Classification
- Petrology basics
- Igneous & Sedimentary rocks
- Metamorphic rocks
Rock Cycle
- Formation processes
- Rock transformation
- Continuous recycling of crust
Rocks, Landforms & Soils
- Rock resistance
- Rock-controlled landforms
- Lithology and geomorphology
WORLD D — PLATE TECTONICS & CONTINENTAL EVOLUTION
REALM 22
Continental Drift Theory
- Alfred Wegener (1912)
- Pangaea & Panthalassa
- Laurasia & Gondwanaland
Evidence for Continental Drift
- Jigsaw fit & Matching rocks
- Tillite & Placer deposits
- Biological & Fossil evidence
Forces Behind Continental Drift
- Pole-fleeing force
- Tidal force
- Limitations of Wegener's explanation
Post-Drift Developments
- Convection-current theory
- Mid-ocean ridges & Seafloor spreading
- Paleomagnetism
Plate Tectonics
- Lithospheric plates
- Major & Minor plates
- Plate motion mechanisms
Plate Boundaries & Motion
- Divergent, Convergent, Transform
- Ocean/Continent interactions
- Rates & Forces of movement
Indian Plate
- Geological movement to present
- Collision with Eurasia
- Himalayan formation
WORLD E — EARTHQUAKES, VOLCANOES & TSUNAMIS
REALM 29
Earthquakes
- Mechanism & Causes
- Tectonic, Volcanic, Human-induced
- Effects, Frequency & Distribution
Waves, Shadow Zones & Measure
- P & S wave behaviour
- Epicentre & Hypocentre
- Seismographs & Observatories
Volcanoes
- Shield & Composite volcanoes
- Caldera & Flood basalts
- Active, Dormant, Extinct
Lava & Volcanic Landforms
- Andesitic vs Basaltic lava
- Intrusive: Batholiths, Sills, Dykes
- Extrusive: Geysers, Hot springs
Global Volcanism & Impacts
- Pacific Ring of Fire
- Mediterranean volcanism
- Hazards & Benefits
Tsunamis
- Wave generation mechanism
- Propagation & Coastal amplification
- Effects & Warning systems
WORLD F — GEOMORPHIC PROCESSES
REALM 35
Earth's Surface & Systems
- Geomorphic processes & agents
- Endogenic vs Exogenic forces
Endogenic Processes
- Diastrophism (Orogenic/Epeirogenic)
- Volcanism & Crustal deformation
Gradation & Denudation
- Degradation & Aggradation
- Erosion, Transportation, Deposition
Exogenic Processes & Agents
- Running water, Wind, Groundwater
- Glaciers, Waves, Currents
Weathering
- Geological & Climatic factors
- Topographic & Vegetative factors
Mechanical & Chemical
- Physical/Mechanical mechanisms
- Solution, Carbonation, Hydration
Weathering Mechanisms
- Freeze–thaw & Salt weathering
- Exfoliation domes & Tors
Significance of Weathering
- Soil formation & Landform development
- Nutrient release & Leaching
Mass Movements
- Heave, Flow, Slide
- Landslides & Slope instability
WORLD G TO K — GEOMORPHIC AGENTS & LANDFORMS
REALM 44
Running Water & River Systems
- Overland vs Linear flow
- Youth, Mature, Old stages
Fluvial Erosional Landforms
- V-shaped valleys & Gorges
- Potholes & Plunge pools
Fluvial Depositional Landforms
- Alluvial fans & Floodplains
- Oxbow lakes & Deltas
River Channels & Drainage
- Meanders & Braided channels
- Erosion–transport–deposition
Groundwater & Karst Processes
- Permeable & Soluble rocks
- Limestone & Dolomite percolation
Karst Landforms
- Sinkholes, Uvalas, Dolines
- Caves, Stalactites, Stalagmites
Wind as Geomorphic Agent
- Deflation, Abrasion, Impact
- Desert erosion & transportation
Aeolian Erosional Landforms
- Deflation hollows & Pediplains
- Mushroom/Table/Pedestal rocks
Aeolian Depositional Landforms
- Barchans & Seif dunes
- Transverse/Longitudinal dunes
Glaciers & Glacial Processes
- Glacier movement & Erosion
- Transportation & Deposition
Glacial Erosional Landforms
- Cirques & Tarn lakes
- Arêtes & Serrated ridges
Glacial Depositional Landforms
- Moraines & Eskers
- Outwash plains & Drumlins
Waves & Coastal Processes
- Erosion, transport, deposition
- High rocky vs Low sedimentary coasts
Coastal Erosional Landforms
- Cliffs & Wave-cut terraces
- Caves, Arches, Stacks
Coastal Depositional Landforms
- Beaches & Coastal dunes
- Bars, Barrier bars, Spits
WORLD L — MOUNTAINS, PLATEAUS & GLOBAL LANDFORMS
WORLD M TO Q — ATMOSPHERE, WEATHER & CLIMATE
REALM 62
Composition of Atmosphere
- Gases & Water vapour
- Dust particles
- Importance of constituents
Structure of Atmosphere
- Troposphere to Exosphere
- Altitude–temperature relationship
Insolation & Solar Radiation
- Aphelion & Perihelion
- Angle of Sun's rays & Day length
- Atmospheric transparency
Heat Balance & Earth's Budget
- Conduction, Convection, Advection
- Albedo & Macro budget
- Shortwave vs Longwave radiation
Temperature Distribution
- Global Jan/July distribution
- Annual/seasonal ranges
- Inversion of temperature
Atmospheric Pressure
- Vertical/Horizontal distribution
- Sea-level pressure
- Pressure belts
Winds & Forces
- Pressure Gradient & Coriolis Force
- Frictional Force
- Wind velocity & direction
Cyclonic/Anticyclonic Circ.
- Cyclones & Anticyclones
- Surface convergence/divergence
General Circulation
- Hadley, Ferrel, Polar Cells
- Seasonal migration of belts
Seasonal & Local Winds
- Land & Sea breeze
- Mountain & Valley winds
Air Masses & Fronts
- Source regions & Characteristics
- Warm, Cold, Occluded fronts
Atmospheric Moisture
- Evaporation & Condensation
- Absolute vs Relative humidity
- Saturation & Dew point
Dew, Frost, Fog & Mist
- Condensation conditions
- Visibility impacts
Clouds
- Cirrus, Cumulus, Stratus, Nimbus
- Vertical development
Precipitation
- Rainfall, Snowfall, Sleet, Hail
- Precipitation mechanisms
Types & Distribution of Rainfall
- Convectional & Orographic
- Cyclonic & Monsoonal
Tropical Cyclones
- Conditions for formation
- Structure & Path
- Arabian Sea cyclones
Temperate Cyclones
- Air masses & Fronts
- Origin, Life cycle & Weather
Jet Streams
- Permanent & Temporary jets
- Weather influence & Aviation
Polar Vortex
- Formation & Behaviour
- Weather influence & Ozone
ENSO & Indian Ocean Dipole
- El Niño & La Niña
- Walker circulation
- Indian monsoon connection
Global Climate Systems I
- Equatorial & Monsoon
- Savanna & Hot/Mid-latitude desert
Global Climate Systems II
- Mediterranean & Steppe
- China, British, Siberian, Laurentian
- Arctic/polar climate
WORLD R TO T — HYDROLOGY, OCEANS & BIOGEOGRAPHY
REALM 85
Hydrological Cycle
- Evaporation & Condensation
- Precipitation & Runoff
- Infiltration & Groundwater
Relief of Ocean Floor
- Continental shelf & slope
- Deep-sea plain
- Oceanic trenches/deeps
Minor Ocean-Floor Relief
- Mid-ocean ridges & Seamounts
- Guyots & Submarine canyons
- Atolls
Ocean Temperature
- Surface vs Vertical distribution
- Thermocline layer
- Horizontal temperature gradients
Ocean Salinity & Density
%
- Factors affecting salinity
- Horizontal/Vertical distribution
- Temperature–salinity relationship
Ocean Waves
- Water-particle motion
- Wave energy & propagation
Tides
- Sun–Moon–Earth gravity
- Spring & Neap tides
- Tidal currents
Ocean Currents
- Primary & Secondary forces
- Surface vs Deep-water
- Warm vs Cold currents
Major Ocean Currents
- Atlantic, Pacific, Indian Ocean
- Arctic/Antarctic circulation
Ocean Currents & Climate
- Rainfall & Deserts
- Fisheries & Upwelling
- Weather moderation
AMOC Circulation
- Thermohaline circulation
- Deep-water formation
- Ocean conveyor & Climate
Ocean Deposits
- Terrigenous & Pelagic deposits
- Sources & Distribution
Ocean Resources
- Deep-sea minerals & Energy
- Biotic resources & Fisheries
Deep Ocean Mission
- Deep-sea exploration
- Marine technology & Research
UNCLOS & Maritime Zones
- Territorial waters & EEZ
- High seas jurisdiction
Soil Formation
- Parent material, Climate, Organisms
- Relief & Time factors
Soil Profile & Class.
- O, A, B, C horizons
- Soil properties
Soil Erosion & Conservation
- Water & Wind erosion causes
- Soil management & degradation
Natural Vegetation & Biomes
- Forests, Grasslands, Deserts
- Tundra & Climate relationships
Forest Geography
- Forest cover & classification
- Ecological/Economic significance
Deforestation
- Tropical & Temperate
- Causes & Consequences
Forest Conservation
- Afforestation & Reforestation
- Social/Agroforestry & Miyawaki
The Physical System Complete
Physical Geography is the ultimate study of Earth's operating system. From the deep tectonic convection shaping the lithosphere, to the atmospheric engines driving global climate, to the relentless geomorphic sculpting by water and ice, this matrix maps the mechanical reality of our planet.
LITHOSPHERE → ATMOSPHERE → HYDROSPHERE → BIOSPHERE