Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. physical sciences concepts

Narrower term/s

• tides[+]
  • tidal waves [NP]
• seasons[+]
  • autumn
  • spring (season)
  • summer (season)
  • winter
• natural events [NP][+]
  • avalanches
  • floods (natural events)
  • storms [+]
    • cyclones [+]
      • hurricanes
      • tornadoes
      • typhoons
    • duststorms
    • ice storms
    • monsoons
    • sandstorms
    • snowstorms [+]
      • blizzards
    • thunderstorms
    • windstorms
    • hailstorms
  • earth movements [+]
    • earthquakes
    • landslides
    • mudflows
    • frost heaves
    • subsidences
    • continental drift
    • volcanic eruptions
    • mass wasting [+]
      • solifluction
  • meteors (events) [+]
    • bolides
  • waves (natural events) [+]
    • tidal waves
  • rainbows
  • eclipses (astronomical) [+]
    • solar eclipses
    • lunar eclipses
  • natural phenomena
  • extinctions (natural events)
  • ice ages
  • warming periods (global events)
  • aṣṭagraha
• [weather and related phenomena][+]
  • climate [+]
    • desert climate
    • polar climate
    • temperate climate
    • tropical climate
    • paleoclimate
    • subtropical climate
  • weather
  • dew point
  • drought
  • precipitation [+]
    • hail
    • rain
    • snow (precipitation)
    • sleet
    • drizzles
    • neblinas
  • fog
  • frost
  • wind (weather phenomena) [+]
    • north wind
    • south wind
    • west wind
    • east wind
  • lightning
  • dew
  • microclimate
  • currents (weather phenomena) [+]
    • El Niño (oceanic current)
• sea level
• times of day[+]
  • day (daylight hours)
  • night
  • dawn (time of day)
  • dusk
  • morning
  • afternoon
  • noon
  • evening
  • sunrise
  • sunset
• earth features[+]
  • sky (earth feature)
  • clouds [+]
    • cirrus clouds
    • cirrostratus clouds
    • cirrocumulus clouds
    • altostratus clouds
    • altocumulus clouds
    • nimbostratus clouds
    • cumulus clouds
    • stratus clouds
    • cumulonimbus clouds
    • stratocumulus clouds
  • physical features [+]
    • undersea features [+]
      • undersea landforms [NP] [+]
      • man-made undersea features [+]
    • former physical features
    • sections of physical features
    • hydrographic features [+]
      • bodies of water (natural) [NP] [+]
      • man-made hydrographic features [+]
    • hypsographic features [+]
      • terrestrial features (natural) [+]
      • man-made hypsographic features [+]
    • vegetation features [+]
      • plant communities (natural) [NP] [+]
      • man-made vegetation features [+]
    • lost physical features
  • earth (features)
• biomes[+]
  • freshwater biomes
  • marine biomes
  • desert biomes
  • forest biomes [+]
    • rainforest biomes
    • coniferous forest biomes
    • temperate deciduous forests biomes
  • grassland biomes
  • tundra biomes
  • shrubland biomes
• environment (earth sciences concept)

Anotations

Scope note:

Concepts related to the study of the Earth, including geologic, atmospheric, and hydrologic concepts.