Earth science Terms Beginning with H:
- Haanel depth rule
- haar
- Habit
- haboob
- hadal
- Hade
- Hadean
- Hadley cell
- haff
- Haidingerite
- hail stage
- hailstone
- Hair-Salt
- hairstone
- halcyon days
- haldenhang
- half tide
- half-arc angle
- Half-Life
- half-tide level
- Halides
- Halite
- hall
- Hallian
- Halloysite
- halmeic
- halmyrogenic
- halmyrolysis
- halo
- halo ore
- halocline
- halogenic
- halokinesis
- halomorphic
- Halotrichite
- hamada
- Hamilton Period
- hanger
- hanging
- hanging glacier
- hanging side
- Hanging Valley
- hanging wall
- harbor
- harbor reach
- hard freeze
- hard frost
- hard rime
- hard rock
- Hard Water
- hardening
- Hardness
- hardpan
- Harlech Group
- Harlechian
- harmatan
- harmattan
- harmetan
- harmonic folding
- harmonic prediction
- harmonic tide plane
- Harmotome
- hartite
- haster
- Hastings Sands
- Hatchettine
- haud
- Hauerite
- Hausmannite
- Hauterivian
- Hauyne
- havgul
- havgula
- havgull
- haycock
- haze
- haze droplet
- haze factor
- haze horizon
- haze layer
- haze level
- haze line
- hazel sandstone
- head
- head erosion
- heading side
- heading wall
- headland
- headwall
- headward erosion
- headwater erosion
- Headwater(s)
- headwaters
- heat balance
- heat budget
- heat equator
- Heat Flow
- heat flow province
- heat island effect
- heat lightning
- heat low
- heat storage
- heat thunderstorm
- heat wave
- heating degree-day
- Heave
- Heaviside layer
- heavy floe
- heavy ice
- heavy ion
- hedreocraton
- height of tide
- height pattern
- height-change chart
- height-change line
- Helderbergian
- helicitic fold
- helictite
- heliosphere
- heliotropic wind
- helm wind
- Helmert's formula
- Helminthite
- Helvine
- Hemachate
- Hematite
- hemicone
- Hemimorphite
- hemipelagic region
- hemipelagic sediment
- hemipelagite
- hemisphere
- hemispheric wave number
- Hemist
- Hepatite
- Hercynian geosyncline
- Hercynian orogeny
- Herderite
- Hertzian fracture
- hervidero
- heterochronism
- heterogeneous reservoir
- heterosphere
- Hettangian
- Heulandite
- Hexagonal
- hexagonal column
- hexagonal platelet
- hexahedrite
- hiatus
- hibernal
- Hibernian orogeny
- Hiddenite
- hiemal climate
- hieroglyph
- high
- high aloft
- high clouds
- high foehn
- high fog
- high index
- high plain
- high tide
- high water
- high-altitude station
- high-angle fault
- high-energy environment
- high-level anticyclone
- high-level cyclone
- high-level ridge
- high-level thunderstorm
- high-level trough
- high-pressure area
- high-rank coal
- high-temperature grain boundary migration (GBM) recrystallisation
- high-volatile bituminous coal
- high-water full and change
- high-water inequality
- high-water line
- high-water lunitidal interval
- high-water platform
- high-water quadrature
- high-water springs
- high-water stand
- higher high water
- higher low water
- highland
- highland climate
- highland glacier
- highland ice
- hill
- hill creep
- hillock
- hillside creep
- Hilt's law
- hinge fault
- hinge line
- hinterland
- Hisingerite
- historical climate
- historical geology
- Histosol
- Hitch
- hoar crystal
- hoarfrost
- hofmannite
- Hogback
- Holocene
- holomictic lake
- Holosiderite
- holostratotype
- Homilite
- homobront
- homocline
- homogeneous atmosphere
- homologous
- homologous temperature
- homopause
- homosphere
- honeycomb formation
- hook
- Hopeite
- horizon
- horizon distance
- horizontal displacement
- horizontal fold
- horizontal intensity
- horizontal pressure force
- horizontal separation
- horn
- Horn Mercury
- Horn Quicksilver
- Horn Silver
- Hornblende
- Hornfels
- Hornito
- Hornstone
- horse
- horse latitudes
- horseback
- horseshoe bend
- horseshoe lake
- horsetail ore
- Horst
- Horton number
- host rock
- hot belt
- Hot Spot
- Hot Spring
- hot wave
- hot wind
- hourly observation
- howardite
- huangho deposit
- Hubbard Glacier
- human geography
- Humboldt Current
- Humboldt Glacier
- humic
- humic coal
- humic-cannel coal
- humid climate
- humidity
- humidity coefficient
- humidity index
- humidity mixing ratio
- humidity province
- humification
- humin
- Humite
- hummock
- hummocked ice
- hummocky
- Humod
- humodurite
- humogelite
- Humox
- Humult
- Humus
- Huronian
- hurricane
- hurricane band
- hurricane monitoring buoy
- hurricane radar band
- hurricane surge
- hurricane tide
- hurricane warning
- hurricane watch
- hurricane wave
- hurricane wind
- hurricane-force wind
- Hyacinth
- hyaline
- Hyalite
- hyalobasalt
- hyaloclastite
- Hyalophane
- hyalopsite
- hydatogenesis
- Hydraulic Conductivity
- hydraulic current
- hydraulic discharge
- hydraulic gradient
- hydraulic profile
- hydraulic ratio
- Hydrocarbon
- hydrocast
- Hydroelectric power
- hydrogeochemistry
- hydrogeology
- Hydrograph
- hydrographic basin
- hydrographic cruise
- hydrographic survey
- hydrographic table
- hydrography
- hydrolaccolith
- hydrolithic weakening
- hydrologic accounting
- Hydrologic Cycle
- hydrologic sequence
- hydrologist
- Hydrology
- Hydrolysis
- hydrolyzate
- Hydromagnesite
- hydrometamorphism
- hydrometeor
- hydrometeorology
- Hydromica
- Hydromica Schist
- hydromorphic
- Hydrophane
- hydrosphere
- hydrostatic approximation
- hydrostatic assumption
- hydrostatic pressure
- hydrostatic stability
- hydrostatic state of strain
- hydrostatic state of stress
- Hydrothermal
- hydrothermal alteration
- hydrothermal deposit
- Hydrothermal Deposits
- Hydrothermal Metamorphism
- hydrothermal solution
- hydrothermal synthesis
- Hydrothermal Vein
- hydrothermal vent
- hydrous mica
- Hydrozincite
- hyetal coefficient
- hyetal equator
- hyetal region
- hyetograph
- hyetography
- hyetology
- hygrokinematics
- hygrology
- hygroscopic coefficient
- hygroscopic water
- hyperacoustic zone
- hyperbolic distribution method
- hyperpycnal inflow
- hypersaline
- Hypersthene
- hypidiomorphic
- Hypocenter
- Hypogene
- hypolimnion
- hypomagma
- hypopycnal inflow
- hypothermal
- Hypsithermal
- hypsography
- hypsometric formula