APPENDIX TO PACS 91-94, 96: GEOPHYSICS

91. Solid Earth physics
91.10.-v Geodesy and gravity (see also 91.50.Kx Gravity and isostasy—in Marine geology and geophysics; 91.45.gh—in geophysics appendix)
91.10.By Mathematical geodesy; general theory
91.10.Da Cartography
91.10.Fc Space and satellite geodesy; applications of global positioning systems
91.10.Jf Topography; geometric observations
91.10.Kg Crustal movements and deformation
91.10.Lh Photogrammetry
91.10.Nj Rotational variations; polar wobble (see also 92.10.Iv Ocean influence of Earth’s rotation)
91.10.Op Gravity anomalies; time variable gravity
91.10.P- Geodetic techniques; gravimetric measurements and instruments
91.10.pa Atmospheric monitoring with geodetic techniques
91.10.pc Ocean monitoring with geodetic techniques
91.10.Qm Harmonics of the gravity potential field; geopotential theory and determination
... ... ...Rheology of lithosphere and mantle, see 91.32.De, 91.32.Gh
91.10.Sp Satellite orbits
91.10.Tq Earth tides
91.10.Vr Ocean/Earth/atmosphere/hydrosphere/cryosphere interactions; mass balance
91.10.Ws Reference systems
91.10.Xa Global change from geodesy
91.25.-r Geomagnetism and paleomagnetism; geoelectricity (see also 91.50.Iv Marine magnetics and electromagnetics)
91.25.Cw Origins and models of the magnetic field; dynamo theories
91.25.Dx Archeomagnetism
91.25.Ey Interactions between exterior sources and interior properties
91.25.F- Rock and mineral magnetism (see also 91.60.Pn Magnetic and electrical properties—in Physical properties of rocks and minerals)
91.25.fa Biogenic magnetic minerals
91.25.fd Environmental magnetism
91.25.G- Spatial variations in geomagnetism
91.25.ga Harmonics and anomalies
91.25.gj Attributed to seafloor spreading
91.25.L- Time variations in geomagnetism
91.25.lc Rapid time variations
91.25.lf Diurnal to decadal
91.25.lj Secular and longer
91.25.Mf Magnetic field reversals: process and timescale
91.25.N- Paleomagnetism
91.25.nc Paleointensity
91.25.nf Applied to tectonics: regional; global
91.25.nj Applied to geologic processes
91.25.nn Paleomagnetic secular variation
91.25.Ph Magnetostratigraphy
91.25.Qi Geoelectricity, electromagnetic induction, and telluric currents
91.25.Rt Magnetic anomalies; modeling and interpretations
91.25.St Magnetic fabrics and anisotropy
91.25.Th Reference fields: regional; global
91.25.Ux Remagnetization
91.25.Wb Geomagnetic induction
91.25.Xg Geomagnetic excursion
91.25.Za Core processes
91.30.-f Seismology
91.30.Ab Theory and modeling, computational seismology
91.30.Bi Seismic sources (mechanisms, magnitude, moment frequency spectrum)
91.30.Cd Body wave propagation
91.30.Dk Seismicity (see also 91.45.gd—in geophysics appendix)
91.30.Fn Surface waves and free oscillations
91.30.Ga Subduction zones (see also 91.40.Rs—in Volcanology; 91.45.Hc—in Tectonophysics; 91.50.Wy—in Marine geology and geophysics; 91.67.fc—in geophysics appendix)
91.30.Hc Mid-ocean ridges (see also 91.40.St—in Volcanology; 91.50.Rt—in Marine geology and geophysics; 91.67.ff—in geophysics appendix)
91.30.Iv Transform faults
91.30.Jk Tomography in seismology (see also 91.35.Pn Tomography of the Earth's interior)
91.30.Mv Strong motions and shock waves
91.30.Nw Tsunamis (see also 92.10.hl—in geophysics appendix)
91.30.P- Earthquakes
91.30.pa Dynamics and mechanics
91.30.pb Ground motions and engineering seismology
91.30.pc Magnitudes and parameters
91.30.pd Hazard assessment, forecasting, and prediction
91.30.Rz Nuclear explosion seismology
91.30.Tb Volcano seismology
91.30.Uv Core and mantle seismology
91.30.Vc Continental crust seismology
91.30.Wx Lithosphere seismology (see also 91.45.gf—in geophysics appendix)
91.30.Ye Oceanic crust seismology
91.30.Za Paleoseismology
91.32.-m Rheology of the Earth
91.32.Ac General aspects
91.32.De Crust and lithosphere
91.32.Gh Mantle
91.32.Jk Friction of fault zones
91.35.-x Earth's interior structure and properties
91.35.Cb Models of interior structure
91.35.Dc Heat flow; geothermy (see also 91.50.Ln Heat flow (benthic)—in Marine geology and geophysics)
91.35.Ed Structure of the Earth's interior below the upper mantle
91.35.Gf Structure of the crust and upper mantle
91.35.Lj Composition and state of the Earth's interior (see also 91.67.gb—in geophysics appendix)
... ... ...Geochronology, see 91.80.+d; 91.80.-d in geophysics appendix
91.35.Pn Tomography of the Earth's interior (see also 91.30.Jk Tomography in seismology)
91.40.-k Volcanology (see also 91.30.Tb Volcano seismology)
91.40.Ac Geochemical modeling
91.40.Bp Tephrochronology; ash deposits
91.40.Dr Atmospheric effects (see also 92.60.Mt Particles and aerosols—in Meteorology)
91.40.Ft Eruption mechanisms
91.40.Ge Hydrothermal systems (see also 91.67.Jk—in Geochemistry; 92.05.Lf—in oceanography)
91.40.Hw Lava rheology and morphology
91.40.Jk Magma migration
91.40.La Physics and chemistry of magma bodies
91.40.Pc Thermodynamics in volcanology
91.40.Qa Reactions and phase equilibria (see also 91.67.De—in Geochemistry)
91.40.Rs Subduction zone processes (see also 91.30.Ga—in Seismology; 91.45.Hc—in Tectonophysics; 91.50.Wy—in Marine geology; 91.67.fc—in geophysics appendix)
91.40.St Mid-oceanic ridge processes (see also 91.30.Hc—in Seismology; 91.50.Rt—in Marine geology; 91.67.ff—in geophysics appendix)
91.40.Ta Intra-plate processes (see also 91.50.Tb—in Marine geology; 91.67.fh—in geophysics appendix)
91.40.Uc Volcanoclastic deposits
91.40.Vg Volcanic gases
91.40.Wx Calderas
91.40.Yt Remote sensing of volcanoes (see also 93.85.Pq)
91.40.Zz Volcano monitoring; volcanic hazards and risks
... ... ...Planetary volcanism, see 96.12.Xy
91.45.-c Tectonophysics
91.45.Bg Planetary interiors (see also 96.12.Pc—in Planetology of solid surface planets; 96.15.Nd—in Planetology of fluid planets)
91.45.C- Continental tectonics
91.45.ca General aspects
91.45.cc Orogenic belts
91.45.cf Continental margins and continental cratons
91.45.ch Continental neotectonics
91.45.cj Extensional, tectonics (rift basins)
91.45.cn Strike-slip tectonics
91.45.D- Plate tectonics
91.45.dc Plate boundaries: general aspects
91.45.df Plate motions: general aspects
91.45.dg Plate motions: past
91.45.dk Plate motions: present and recent
91.45.Fj Convection currents and mantle plumes
91.45.G- Dynamics and mechanics of tectonics
91.45.gd Seismotectonics (see also 91.30.Dk Seismicity)
91.45.gf Lithospheric dynamics; flexure (see also 91.30.Wx Lithosphere seismology; 91.32.De Crust and lithosphere, rheology of)
91.45.gh Gravity and tectonics
91.45.Hc Subduction and obduction zone processes (see also 91.30.Ga—in Seismology; 91.40.Rs—in Volcanology)
91.45.Jg Hot spots, large igneous provinces, and flood basalt volcanism
91.45.Kn Core processes
91.45.Nc Evolution of the Earth
91.45.Qv Tomography of plate tectonics (see also 91.30.Jk—in Seismology)
91.45.Rg Heat generation and transport
... ... ...Folds and folding, see 91.55.Hj
... ... ...Fractures and faults, see 91.55.Jk
91.45.Wa Volcanic arcs
91.45.X- Stresses in tectonophysics
91.45.xa General aspects
91.45.xc Crust and lithosphere (see also 91.30.Wx Lithosphere seismology)
91.45.xf Deep-seated stresses
... ... ...Hydrothermal systems, see 91.40.Ge
... ... ...Planetary tectonics, see 96.12.Xy
... ... ...Pluton emplacement, see 91.55.Sn
... ... ...Rheology of the Earth, see 91.32.-m
91.50.-r Marine geology and geophysics
91.50.Ac Back-arc basin processes
91.50.Bd Continental shelf and slope processes
91.50.Cw Beach and coastal processes
91.50.Ey Seafloor, morphology, geology, and geophysics (see also 92.10.Oc Benthic boundary layers, ocean bottom processes—in oceanography)
91.50.Ga Bathymetry, seafloor topology
91.50.Hc Gas and hydrate systems (see also 92.20.Uv—in oceanography)
91.50.Iv Marine magnetics and electromagnetics
91.50.Jc Marine sediments, turbidity currents—processes and transport (see also 91.65.Ti—in petrology; 91.67.Ty—in Geochemistry; 92.10.Wa and 92.20.Vn—in oceanography; 92.40.Gc—in hydrology; 91.80.Wx—in geophysics appendix)
91.50.Kx Gravity and isostasy
91.50.Ln Heat flow (benthic)
91.50.Nc Littoral processes
91.50.Ps Marine hydrogeology
91.50.Qr Micropaleontology
91.50.Rt Mid-ocean ridge processes (see also 91.30.Hc—in Seismology; 91.40.St—in Volcanology; 91.67.ff—in geophysics appendix)
91.50.Sn Ocean drilling (see also 93.85.Tf Oil prospecting, pipelines, and conduits)
91.50.Tb Oceanic hotspots and intra-plate volcanism (see also 91.40.Ta—in Volcanology; 91.67.fh—in geophysics appendix)
91.50.Uv Oceanic plateaus and fracture zone processes
91.50.Vx Ophiolites
91.50.Wy Subduction zone processes
91.50.Xz Submarine landslides
91.50.Yf Submergence instruments, ROV, AUV, Submersibles, and ocean observatories
91.55.-y Structural geology
91.55.Ax Mechanics, theory and modeling
91.55.Bc Continental neotectonics
91.55.De Diapir and diapirism
91.55.Fg Dynamics and mechanics of faulting (see also 91.32.Jk Friction of fault zones, rheology of)
91.55.Hj Folds and folding
91.55.Jk Fractures and faults (see also 91.50.Uv Oceanic plateaus and fracture zone processes)
91.55.Ln Kinematics of crustal and mantle deformation
91.55.Mb High strain deformation zones
91.55.Nc Local crustal structure; regional crustal structure
91.55.Pq Melanges
91.55.Qr Mesoscopic fabrics
91.55.Sn Pluton emplacement
91.55.Tt Role of fluids
91.55.Uv Remote sensing in structural geology
... ... ...Rheology of the Earth, see 91.32.-m
91.60.-x Physical properties of rocks and minerals (for rheological properties of geological materials, see 83.80.Nb)
91.60.Ba Elasticity, fracture, and flow
91.60.Dc Plasticity, diffusion, and creep
91.60.Ed Crystal structure and defects, microstructure
91.60.Fe Equations of state
91.60.Gf High-pressure behavior
91.60.Hg Phase changes
91.60.Ki Thermal properties
91.60.Lj Acoustic properties
91.60.Mk Optical properties
91.60.Np Permeability and porosity
91.60.Pn Magnetic and electrical properties (see also 91.25.F- Rock and mineral magnetism)
... ... ...Environmental magnetism, see 91.25.fd
91.60.Qr Wave attenuation
91.60.Tn Transport properties
91.62.-g Biogeosciences (see also 91.67.Uv Organic and biogenic geochemistry; 91.80.Kc Chemical and biological geochronology; 92.20.J- Biology of the ocean)
91.62.Bf Agricultural systems
91.62.De Anoxic and hypoxic environments (see also 92.20.Hs and 92.20.Ox—in Chemical and biological oceanography)
91.62.Fc Astrobiology and extraterrestrial materials (see also 96.55.+z Astrobiology and astrochemistry of the Solar system and interplanetary space)
91.62.Gk Biodiversity
91.62.Jf Bioremediation
91.62.Kt Biogeochemical kinetics
91.62.La Carbon cycling, nitrogen cycling (see also 92.20.Xy—in Oceanography)
91.62.Mn Ecosystems, structure and dynamics, plant ecology
91.62.Np Evolutionary geobiology
91.62.Pq Geomicrobiology
91.62.Qs Nutrients and nutrient cycling
91.62.Rt Land pollution, soil pollution
91.62.Ty Natural hazards
91.62.Uv Life in extreme environments
91.62.Xy Biosphere/atmosphere interactions
91.65.-n Mineralogy and petrology
91.65.An Mineral and crystal chemistry
... ... ...Geochemical cycles, see 91.67.Nc
91.65.Cq Igneous petrology
91.65.Dt Isotopic composition (see also 91.67.Qr Radiogenic isotope geochemistry; 91.67.Rx Stable isotope geochemistry)
91.65.Ej Extrusive structures and rocks
... ... ...Low temperature geochemistry, see 91.67.Vf
91.65.Gk Intrusive structures and rocks
... ... ...Organic geochemistry, see 91.67.Uv
91.65.Jn Layered magma chambers
91.65.Kf Metamorphic petrology
91.65.Lc Pressure-temperature-time paths
91.65.My Fluid flow
... ... ...Trace elements, see 91.67.Pq
91.65.Pj Ultra-high pressure metamorphism
91.65.Qr Ultra-high temperature metamorphism
91.65.Rg Mineral occurrences and deposits
91.65.Sn Meteorite mineralogy and petrology
91.65.Ti Sedimentary petrology (see also 91.50.Jc—in marine geology; 91.67.Ty—in Geochemistry; 92.10.Wa and 92.20.Vn—in oceanography; 92.40.Gc—in hydrology; 91.80.Wx—in geophysics appendix)
... ... ...Major element composition, see 91.67.Pq
91.67.-y Geochemistry (see also 92.20.Cm Chemistry of the ocean; 92.40.Bc Chemistry of fresh water; 92.60.Ls Ion chemistry of the atmosphere; 91.62.Kt, 91.80.Kc, and 92.20.C- in geophysics appendix)
91.67.Bc Geochemical modeling
91.67.De Reactions and phase equilibria (see also 91.40.Qa—in Volcanology)
91.67.F- Geochemical processes
91.67.fc Subduction zone (see also 91.30.Ga—in Seismology; 91.45.Hc—in Tectonophysics; 91.50.Wy—in Marine geology)
91.67.ff Mid-oceanic ridge (see also 91.30.Hc—in Seismology; 91.40.St—in Volcanology; 91.50.Rt—in Marine geology)
91.67.fh Intra-plate (see also 91.40.Ta—in Volcanology; 91.50.Tb—in Marine geology)
91.67.fk Alteration and weathering
91.67.fm Mantle
91.67.G- Chemical composition
91.67.gb Earth's core (see also 91.35.Lj)
91.67.gd Continental crust
91.67.gf Oceanic crust
91.67.gh Hydrosphere
91.67.gj Biosphere
91.67.gl Mantle
91.67.gn Meteorites
91.67.gp Aerosols and particles (see also 92.20.Bk—in oceanography; 92.30.Ef—in Paleoceanography; 92.60.Mt—in meteorology)
91.67.Jk Geochemistry of hydrothermal systems (see also 91.40.Ge—in Volcanology; 92.05.Lf—in oceanography)
... ... ...Physics and chemistry of magma bodies, see 91.40.La
91.67.Nc Geochemical cycles (see also 92.20.Sg Biogeochemical cycles—in oceanography; 92.60.hn—in meteorology; 92.30.Gh—in geophysics appendix)
91.67.Pq Major and trace element geochemistry (see also 92.20.Wx Trace elements—in chemical and biological oceanography)
91.67.Qr Radiogenic isotope geochemistry (see also 91.65.Dt Isotopic composition—in Mineralogy and petrology; 92.20.Td Radioactivity and radioisotopes—in oceanography)
91.67.Rx Stable isotope geochemistry (see also 91.65.Dt Isotopic composition—in Mineralogy and petrology)
91.67.St Fluid and melt inclusion geochemistry
91.67.Ty Sedimentary geochemistry (see also 91.50.Jc—in marine geology; 91.65.Ti—in Mineralogy and petrology; 92.10.Wa and 92.20.Vn—in oceanography; 92.40.Gc—in hydrology; 91.80.Wx—in geophysics appendix)
91.67.Uv Organic and biogenic geochemistry
91.67.Vf Low-temperature geochemistry
91.70.-c Information related to geologic time
91.70.B- Cenozoic
91.70.bc Neogene
91.70.bg Paleogene
91.70.D- Mesozoic
91.70.db Cretaceous
91.70.de Jurassic
91.70.dg Triassic
91.70.F- Paleozoic
91.70.fb Permian
91.70.fd Carboniferous
91.70.ff Devonian
91.70.fh Silurian
91.70.fk Ordovician
91.70.fn Cambrian
91.70.H- Precambrian
91.70.hc Proterozoic
91.70.hf Archean
91.80.-d Geochronology (see also 92.30.Hj Dendrochronology—in Paleoceanography)
91.80.Cb Quarternary geochronology
91.80.Ef Sidereal geochronology
91.80.Hj Radioisotope geochronology, isotopic disequilibrium dating
91.80.Kc Chemical and biological geochronology
91.80.Mn Geomorphological geochronology
91.80.Pq Correlative geochronology
91.80.Rx Thermochronology
91.80.St Tephrochronology (see also 91.40.Bp Tephrochronology; ash deposits—in Volcanology)
91.80.Uv Cosmogenic-nuclide exposure dating
91.80.Vw Extinct radionuclide geochronology
91.80.Wx Sedimentary geochronology (see also 91.50.Jc—in Marine geology; 91.65.Ti—in Mineralogy and petrology; 91.67.Ty—in Geochemistry; 92.10.Wa and 92.20.Vn—in oceanography; 92.40.Gc—in Hydrology)
91.90.+p Other topics in solid Earth physics (restricted to new topics in section 91)
92. Hydrospheric and atmospheric geophysics
92.05.-x General aspects of oceanography
92.05.Bc Analytical modeling and laboratory experiments
92.05.Df Climate and inter-annual variability (see also 92.60.Ry Climatology, climate change and variability—in meteorology; 92.70.Gt Climate dynamics—in Global change)
92.05.Ek Long term variability; Heinrich events
92.05.Fg Diurnal, seasonal and annual cycles
92.05.Hj Physical and chemical properties of seawater (salinity, density, temperature)
92.05.Jn Ocean energy extraction
92.05.Lf Hydrothermal systems (see also 91.40.Ge—in Volcanology; 91.67.Jk—in Geochemistry)
92.10.-c Physical oceanography
92.10.A- Circulation and currents
92.10.ab General circulation
92.10.ad Deep water formation and circulation
92.10.af Thermohaline convection
92.10.ah Ocean currents; Eastern boundary currents, Western boundary currents
92.10.ak Eddies and mesoscale processes
92.10.am El Nino Southern Oscillation (see also 92.30.La—in Paleoceanography)
... ... ...Physical properties of seawater, see 92.05.Hj
... ... ...Capillary waves, see 92.10.hd—in geophysics appendix
92.10.Dh Deep ocean processes
92.10.Ei Coriolis effects
92.10.Fj Upper ocean and mixed layer processes
92.10.H- Ocean waves and oscillations
92.10.hb Surface waves and tides
92.10.hd Capillary waves
92.10.hf Planetary waves, Rossby waves
92.10.hh Kelvin waves
92.10.hj Internal and inertial waves
92.10.hk Seiches
92.10.hl Tsunamis (see also 91.30.Nw—in Seismology)
92.10.hp Sea level variations (see also 92.70.Jn Oceans, sea level change—in Global change)
92.10.Iv Ocean influence of Earth's rotation
... ... ...Seiches, see 92.10.hk—in geophysics appendix
92.10.Kp Sea–air energy exchange processes (see also 92.60.Cc—in meteorology)
92.10.Lq Turbulence, diffusion, and mixing processes in oceanography
92.10.Ns Fine structure and microstructure in oceanography
92.10.Oc Benthic boundary layers, ocean bottom processes (see also 91.50.Ey Sea floor, morphology, geology, and geophysics—in marine geology)
92.10.Rw Sea ice (mechanics and air/sea/ice exchange processes)
92.10.Sx Coastal, estuarine, and near shore processes (see also 91.50.Cw Beach and coastal processes—in marine geology)
92.10.Ty Fronts and jets
92.10.Ua Overflows
92.10.Vz Underwater sound (see also 43.30.+m; 43.30.-k—in acoustics appendix)
92.10.Wa Sediment transport (see also 91.50.Jc—in marine geology; 91.65.Ti—in Mineralogy and petrology; 91.67.Ty—in Geochemistry; 92.20.Vn in Chemical oceanography; 92.40.Gc—in Hydrology; 91.80.Wx—in geophysics appendix)
92.10.Xc Ocean fog
92.10.Yb Hydrography (for ocean parameter estimation by acoustical methods, see 43.30.Pc—in acoustics appendix)
92.10.Zf Upwelling and convergences (see also 92.30.Vn—in geophysics appendix)
... ... ...Marine geology and geophysics, see 91.50.-r
92.20.-h Chemical and biological oceanography
92.20.Bk Aerosols (see also 92.60.Mt—in meteorology; 91.67.gp and 92.30.Ef—in geophysics appendix)
92.20.C- Chemistry of the ocean
92.20.cb Chemical speciation and complexation, chemosynthesis
92.20.cd Chemical tracers
92.20.cf Marine organic chemistry
92.20.cg Marine inorganic chemistry
92.20.ch Photochemistry, photosynthesis
92.20.cj Oxidation and reduction reactions
92.20.cn Analytical chemistry
92.20.cp Natural products chemistry
... ... ...Ocean energy extraction, see 92.05.Jn
92.20.Hs Anoxic environments (see also 91.62.+g Biogeosciences; 91.62.De—in geophysics appendix)
92.20.Iv Benthic processes, sea-bottom processes (see also 91.50.Ey—in marine geology; 92.10.Oc—in oceanography; 92.40.Gc—in hydrology)
92.20.J- Biology of the ocean (see also 91.62.-g Biogeosciences; 92.40.vj Cryobiology—in Hydrology)
92.20.jb Bacteria, microbiology and microbial ecology (see also 91.62.Kt geomicrobiology)
92.20.jd Symbiosis
92.20.jf Phytoplankton
92.20.jh Zooplankton
92.20.jj Sorptive scavenging
92.20.jm Population dynamics and ecology
92.20.jp Ecosysystems, structure, dynamics and modeling
92.20.jq Foodwebs: structure and dynamics
92.20.ju Nutrients and nutrient cycling
92.20.Ny Marine pollution
92.20.Ox Hypoxic environment (see also 91.62.De—in geophysics appendix)
... ... ...Bacteria, see 92.20.jb—in geophysics appendix
... ... ...Plankton, see 92.20.jf and 92.20.jh—in geophysics appendix
92.20.Sg Biogeochemical cycles (see also 91.67.Nc—in Geochemistry; 92.60.hn—in meteorology; 92.30.Gh—in geophysics appendix)
92.20.Td Radioactivity and radioisotopes (see also 91.65.Dt Isotopic composition—in Mineralogy and petrology; 91.67.Qr Radiogenic isotope geochemistry)
92.20.Uv Gases in chemical oceanography (see also 91.50.Hc Gas and hydrate systems—in marine geology)
92.20.Vn Sedimentation (see also 91.50.Jc—in marine geology; 91.65.Ti—in petrology; 91.67.Ty—in Geochemistry; 92.10.Wa—in oceanography; 92.40.Gc—in hydrology; 91.80.Wx—in geophysics appendix)
92.20.Wx Trace elements (see also 91.67.Pq Major and trace element geochemistry)
92.20.Xy Carbon cycling (see also 91.62.La—in geophysics appendix)
92.30.-m Paleoceanography
92.30.Bc Abrupt climate change, stadial-interstadial transitions (see also 92.60.Ry—in meteorology; 92.70.Gt and 92.70.Kb—in Global change)
92.30.De Anthropogenic effects (see also 92.40.Aa —in Hydrology)
92.30.Ef Atmospheric transport and circulation, aerosols (see also 91.67.gp—in Geochemistry; 92.20.Bk—in oceanography; 92.30.Ef—in Paleoceanography; 92.60.hk and 92.60.Mt—in meteorology)
92.30.Gh Biogeochemical cycles (see also 91.67.N—in Geochemistry; 92.20.Sg—in oceanography; 92.60.hn—in meteorology)
92.30.Hj Corals
92.30.Iv Continental climate records
92.30.Jh Dendrochronology
92.30.La El Nino Southern Oscillation (see also 92.10.am—in oceanography)
92.30.Mc Glacial and interglacial oceanography, ice cores (see also 92.40.vb and 92.40.vm—in Hydrology and glaciology)
92.30.Np Greenhouse gases (see also 92.70.Mn Impacts of global change; global warming)
92.30.Pq Insolation forcing
92.30.Qr Micropaleontology
92.30.Rx Paleoecology
92.30.St Paleocene/Eocene thermal maximum
92.30.Tq Sea surface temperature
92.30.Uv Thermohaline convection
92.30.Vn Upwelling (see also 92.10.Zf—in oceanography)
92.30.Wx Palynology, pollen, spores and other palynomorphs, living or fossil
92.30.Xy Speleothems, stalagmites, stalactites
92.40.-t Hydrology and glaciology; cryosphere (see also 92.70.Ha—in Global change)
92.40.Aa Anthropogenic effects (see also 92.30.De—in geophysics appendix)
92.40.Bc Chemistry of fresh water
92.40.Cy Modeling; general theory
92.40.De Drought
92.40.E- Precipitation (see also 92.60.jf—in meteorology)
92.40.ed Snow
92.40.eg Rain, hail
92.40.Gc Erosion and sedimentation; sediment transport (see also 91.50.Jc—in marine geology; 91.65.Ti—in Mineralogy and petrology; 91.67.Ty—in Geochemistry; 92.10.Wa and 92.20.Vn—in oceanography; 91.80.Wx—in geophysics appendix)
92.40.Ha Debris flow and landslides
92.40.Iv Desertification
92.40.Je Evapotranspiration (see also 92.60.jc Evaporation—in geophysics appendix)
92.40.K- Ground water
92.40.kc Ground water quality
92.40.ke Ground water transport
92.40.kh Aquifers
92.40.kj Groundwater/surface water interactions
92.40.km Groundwater hydrology
92.40.kp Groundwater hydraulics
92.40.Lg Soil moisture and temperature
... ... ...Limnology, see 92.40.qj—in geophysics appendix
92.40.Oj Eco-hydrology; plant ecology
92.40.P- Geomorphology
92.40.pg Fluvial
92.40.pj Hillslope
92.40.Q- Surface water, water resources
92.40.qc Surface water quality
92.40.qf Water supply, reservoirs
92.40.qh Rivers
92.40.qj Lakes, limnology
92.40.qn Ponds
92.40.qp Floods, runoff, and stream flow
92.40.V- Glaciology (see also 92.30.Mc—in Paleoceanography)
92.40.vk Glaciers
92.40.vr Icebergs
92.40.vs Permafrost, frozen ground
92.40.vt Tundra
92.40.vu Cryobiology
92.40.vv Ice cores, ice sheets, ice shelves
92.40.vw Snow melt, avalanches
92.40.vx Sea ice
92.40.We Hydrologic cycles and budgets
92.40.Xx Irrigation; dams
92.40.Yy Wetlands
92.40.Zg Hydrometeorology, hydroclimatology
92.60.-e Properties and dynamics of the atmosphere; meteorology (see also 92.40.Zg Hydrometeorology, hydroclimatology)
92.60.Aa Modeling and model calibration (see also 92.70.Np Global climate modeling)
92.60.Bh General circulation
92.60.Cc Ocean/atmosphere interactions, air/sea constituent fluxes (see also 92.10.Kp—in oceanography)
92.60.Fm Boundary layer structure and processes
92.60.Gn Winds and their effects
92.60.H- Atmospheric composition, structure, and properties
92.60.ha Exospheric composition and chemistry
92.60.hb Thermospheric composition and chemistry, energy deposition
92.60.hc Mesospheric composition, energy deposition, constituent transport and chemistry
92.60.hd Stratospheric composition and chemistry
92.60.hf Tropospheric composition and chemistry, constituent transport and chemistry
92.60.hg Constituent sources and sinks
92.60.hh Acoustic gravity waves, tides, and compressional waves
92.60.hk Convection, turbulence, and diffusion (see also 92.30.Ef—in geophysics appendix)
92.60.hn Geochemical cycles (see also 91.67.Nc—in Geochemistry; 92.20.Sg—in oceanography; 92.30.Gh—in geophysics appendix)
92.60.hv Pressure, density, and temperature
92.60.hw Airglow and aurorae (see also 94.20.Ac Auroral ionosphere; 94.30.Aa Auroral phenomena in magnetosphere)
92.60.hx Other upper atmospheric phenomena: red sprites; blue jets; atmospheric gamma ray and intense VHF emissions
92.60.Iv Paleoclimatology (see also 92.70.Gt Climate dynamics—in Global change)
92.60.J- Water in the atmosphere
92.60.jc Evaporation (see also 92.40.Je Evapotranspiration—in Hydrology)
92.60.jf Precipitation (see also 92.40.E- in Hydrology)
92.60.jk Humidity
92.60.Kc Land/atmosphere interactions
92.60.Ls Ion chemistry of the atmosphere
92.60.Mt Particles and aerosols (see also 92.20.Bk—in oceanography; 91.67.gp and 92.30.Ef—in geophysics appendix)
92.60.N- Cloud physics and chemistry
92.60.nc Cloud optics
92.60.nf Cloud/radiation interaction
92.60.Ox Tropical meteorology
92.60.Pw Atmospheric electricity, lightning
92.60.Qx Storms
92.60.Ry Climatology, climate change and variability (see also 92.70.Gt and 92.70.Kb—in Global change; 92.30.Bc—in geophysics appendix)
92.60.Sz Air quality and air pollution (see also 07.88.+y Instruments for environmental pollution measurements)
92.60.Ta Electromagnetic wave propagation
92.60.Uy Polar meteorology
92.60.Vb Radiative processes, solar radiation
92.60.Wc Weather analysis and prediction
92.60.Xg Stratosphere/troposphere interactions
92.60.Zc Volcanic effects
92.70.-j Global change
92.70.Aa Abrupt/rapid climate change
92.70.Bc Land/atmosphere interactions
92.70.Cp Atmosphere
92.70.Er Biogeochemical processes
92.70.Gt Climate dynamics (see also 92.60.Ry—in meteorology; 92.30.Bc—in geophysics appendix)
92.70.Ha Cryospheric change
92.70.Iv Geomorphology and weathering (see also 92.40.Gc Erosion and sedimentation; sediment transport; 92.40.Pb—in hydrology; 92.40.P- in geophysics appendix)
92.70.Jw Oceans, sea level change (see also 92.10.hp—in geophysics appendix)
92.70.Kb Regional climate change (see also 92.60.Ry—in meteorology; 92.30.Bc—in geophysics appendix)
92.70.Ly Water cycles
92.70.Mn Impacts of global change; global warming (see also 92.30.Np—in geophysics appendix)
92.70.Np Global climate modeling
92.70.Pq Earth system modeling
92.70.Qr Solar variability impact
92.70.St Land cover change
92.90.+x Other topics in hydrospheric and atmospheric geophysics (restricted to new topics in section 92)
93. Geophysical observations, instrumentation, and techniques
93.30.-w Information related to geographical regions
93.30.Bz Africa
93.30.Ca Antarctica
93.30.Db Asia
93.30.Fd Australia
93.30.Ge Europe
93.30.Hf North America
93.30.Jg South America
93.30.Kh Large islands (e.g., Greenland)
93.30.Li Arctic Ocean
93.30.Mj Atlantic Ocean
93.30.Nk Indian Ocean
93.30.Pm Pacific Ocean
93.30.Qn Southern Ocean
93.30.Rp Regional seas
93.30.Sq Polar regions
93.30.Tr Temperate regions
93.30.Vs Tropical regions
93.55.+z International organizations, national and international programs
... ... ...Data acquisition and storage, see 93.85.Bc
93.85.-q Instruments and techniques for geophysical research: Exploration geophysics (see also 91.50.Ga Bathymetry, seafloor topology; 91.50.Yf Submergence instruments, ROV, AUV, submersibles, and ocean observatories—in marine geology; 92.10.Yb Hydrography—in oceanography)
93.85.Bc Computational methods and data processing, data acquisition and storage
93.85.De Exploration of continental structures
93.85.Fg Downhole methods
93.85.Hj Gravity methods
93.85.Jk Magnetic and electrical methods
93.85.Ly Exploration of oceanic structures
93.85.Np Radioactivity methods
93.85.Pq Remote sensing in exploration geophysics (see also 91.40.Yt—in Volcanology; 91.55.Uv—in Structural geology)
93.85.Rt Seismic methods
93.85.Tf Oil prospecting, pipelines, and conduits (see also 91.50.Sn Ocean drilling)
93.90.+y Other topics in geophysical observations, instrumentation, and techniques (restricted to new topics in section 93)
94. Physics of the ionosphere and magnetosphere
94.05.-a Space plasma physics (see also 96.50.-e Interplanetary physics)
94.05.Bf Plasma interactions with dust and aerosols
94.05.Dd Radiation processes
94.05.Fg Solitons and solitary waves
94.05.Hk Spacecraft/atmosphere interactions
94.05.Jq Spacecraft sheaths, wakes, and charging
94.05.Lk Turbulence
94.05.Pt Wave/wave, wave/particle interactions
94.05.Rx Experimental techniques and laboratory studies (see also 52.72.+v in physics of plasmas)
94.05.S- Space weather
94.05.sj Space radiation environment
94.05.sk Impacts on humans
94.05.sp Solar effects
94.05.sq Engineering for hazard mitigation
94.05.st Satellite drag
94.05.sx Forecasting
... ... ...Physics of the neutral atmosphere, see 92.60.-e
94.05.sy Impacts on technological systems
94.20.-y Physics of the ionosphere (for ionospheres of the planets, see 96.35.Kx; for radiowave propagation, see 41.20.Jb in electromagnetism; see also section 52 Physics of plasmas and electric discharges)
94.20.Ac Auroral ionosphere (see also 92.60.hw Airglow and aurorae—in meteorology; 94.30.Aa Auroral phenomena in magnetosphere)
94.20.Bb Wave propagation (see also 94.30.Tz—in Physics of the magnetosphere)
94.20.Cf Ionospheric modeling and forecasting
94.20.D- Ionospheric structure, composition
94.20.de D region
94.20.dg E region
94.20.dj F region
94.20.dk Polar cap ionosphere
94.20.dl Topside region
94.20.dm Mid-latitude ionosphere
94.20.dt Equatorial ionosphere
94.20.dv Ion chemistry and composition; ionization mechanisms
94.20.Fg Plasma temperature and density
... ... ...Plasmasphere, see 94.30.cv
94.20.Qq Particle precipitation (see also 94.30.Ny—in Physics of the magnetosphere)
... ... ...Interactions between waves and particles, see 94.20.W-
94.20.Ss Electric fields; current system
94.20.Tt Ionospheric soundings; active experiments
94.20.Vv Ionospheric disturbances, irregularities, and storms
94.20.W- Ionospheric dynamics and interactions
94.20.wc Plasma motion; plasma convection; particle acceleration
94.20.wf Plasma waves and instabilities
94.20.wg Ionosphere/atmospheric interactions
94.20.wh Ionosphere/magnetosphere interactions
94.20.wj Wave/particle interactions
94.20.wl Plasma interactions with dust and aerosols
94.20.wq Solar radiation and cosmic ray effects
94.20.ws Electromagnetic wave propagation
94.20.Xa Meteor-trail physics
94.30.-d Physics of the magnetosphere
94.30.Aa Auroral phenomena in magnetosphere (see also 94.20.Ac Auroral ionosphere)
94.30.Bg Magnetospheric modeling and forecasting
94.30.C- Magnetospheric configuration and dynamics
94.30.cb Inner magnetosphere
94.30.cf Outer magnetosphere
94.30.cg Magnetospheric cusp
94.30.ch Magnetopause
94.30.cj Magnetosheath
94.30.cl Magnetotail
94.30.cp Magnetic reconnection
94.30.cq MHD waves, plasma waves, and instabilities
94.30.cs Plasma motion; plasma convection
94.30.ct Plasma sheet
94.30.cv Plasmasphere
94.30.cx Polar cap phenomena
94.30.Hn Energetic trapped particles
94.30.Kq Electric fields, field-aligned currents and current systems, and ring currents
94.30.Lr Magnetic storms, substorms
94.30.Ms Magnetic pulsations
94.30.Ny Energetic particle precipitation (see also 94.20.Qq—in Physics of the ionosphere)
94.30.Tz Electromagnetic wave propagation (see also 94.20.Bb—in Physics of the ionosphere)
94.30.V- Magnetosphere interactions
94.30.vb Magnetosphere/ionosphere interactions (see also 94.20.wj—in Physics of the ionosphere)
94.30.vd Magnetosphere interactions with satellites and rings
94.30.vf Solar wind/magnetosphere interactions
94.30.vh Interactions with interplanetary space
94.30.Xy Radiation belts
94.80.+g Instrumentation for space plasma physics, ionosphere, and magnetosphere
94.90.+m Other topics in space plasma physics, physics of the ionosphere and magnetosphere (restricted to new topics in section 94)
96. Solar system; planetology
96.10.+i General; solar nebula; cosmogony
96.12.-a Planetology of solid surface planets (see also 96.15.-g Planetology of fluid planets; 96.30.Bc Comparative planetology)
96.12.Bc Origin and evolution
96.12.De Orbital and rotational dynamics
96.12.Fe Gravitational fields
96.12.Hg Magnetic field and magnetism
96.12.J- Atmospheres
96.12.ja Aurorae and airglow
96.12.jc Composition and chemistry
96.12.je Evolution
96.12.jg Structure and dynamics
96.12.ji Ionospheres
96.12.jk Magnetospheres
96.12.jm Meteorology
96.12.K- Surfaces
96.12.ka Hydrology and fluvial processes
96.12.kc Surface materials and properties
96.12.ke Impact phenomena, cratering
96.12.kg Erosion, weathering
96.12.ki Glaciation
96.12.Ma Composition
96.12.Pc Interiors
96.12.Qr Polar regions
96.12.St Heat flow
96.12.Uv Rings and dust
96.12.Wx Interactions with particles and fields
96.12.Xy Tectonics, volcanism
96.15.-g Planetology of fluid planets (see also 96.12.-a Planetology of solid surface planets; 96.30.Bc Comparative planetology)
96.15.Bc Origin and evolution
96.15.De Orbital and rotational dynamics
96.15.Ef Gravitational fields
96.15.Gh Magnetic field and magnetism
96.15.H- Atmospheres
96.15.hb Aurorae
96.15.he Composition and chemistry
96.15.hg Evolution
96.15.hj Structure and dynamics
96.15.hk Ionospheres
96.15.hm Magnetospheres
96.15.hp Meteorology
96.15.Kc Composition
96.15.Lb Surfaces
96.15.Nd Interiors
96.15.Pf Physical properties of materials
96.15.Qr Impact phenomena
96.15.St Tori and exospheres
96.15.Uv Rings and dust
96.15.Vx Interactions with particles and fields
96.15.Wx Tidal forces
96.15.Xy Polar regions
96.20.-n Moon
96.20.Br Origin and evolution
96.20.Dt Features, landmarks, mineralogy, and petrology
96.20.Jz Gravitational field, selenodesy, and magnetic fields
96.20.Ka Impacts, cratering
96.25.-f Planetology of comets and small bodies
96.25.Bd Origin and evolution
96.25.De Orbital and rotational dynamics
96.25.F- Atmospheres
96.25.fa Aurorae, airglow and x-ray emission
96.25.fc Composition and chemistry
96.25.ff Evolution
96.25.fh Structure and dynamics
96.25.H- Composition
96.25.hc Dust, erosion, and weathering
96.25.hf Ice
96.25.hj Surfaces and interiors
96.25.hn Physical and chemical properties of materials
96.25.J- Ionospheres
96.25.jf Composition and chemistry
96.25.jh Evolution
96.25.jk Structure and dynamics
96.25.Ln Magnetic fields and magnetism
96.25.Nc Gravitational fields
96.25.Pq Impact phenomena
96.25.Qr Interactions with solar wind plasma and fields
96.25.St Plasma and MHD instabilities
96.25.Tg Radiation and spectra
96.25.Vt Satellites
96.25.Xz Volcanism
96.30.-t Solar system objects
96.30.Bc Comparative planetology (see also 96.12.-a Planetology of solid surface planets; 96.15.-g Planetology of fluid planets)
96.30.C- Comets (see also 96.25.-f Planetology of comets and small bodies)
96.30.cb Dust tails and trails
96.30.cd Interiors
96.30.Dz Mercury
96.30.Ea Venus
96.30.Gc Mars
96.30.Hf Martian satellites
96.30.Kf Jupiter
96.30.L- Jovian satellites
96.30.lb Io
96.30.ld Europa
96.30.lf Ganymede
96.30.lh Callisto
96.30.Mh Saturn
96.30.N- Saturnian satellites
96.30.nd Titan
96.30.Pj Uranus
96.30.Qk Uranian satellites
96.30.Rm Neptune
96.30.Sn Pluto
96.30.Td Neptunian satellites
96.30.Up Plutonian satellites
96.30.V- Dust, extraterrestrial materials
96.30.vx Interplanetary material
96.30.vy Interstellar material
96.30.Wr Planetary rings
96.30.Xa Kuiper belt, trans-Neptunian objects
96.30.Ys Asteroids, meteoroids
96.30.Za Meteors, meteorites and tektites (see also 91.65.Sn Meteorite mineralogy and petrology; 94.20.Xa Meteor-trail physics; 91.67.gn—in geophysics appendix)
... ... ...Planetary, asteroid, cometary, and satellite characteristics and properties, see 96.12.-a, 96.15.-g, and 96.25.-f
... ... ...Cosmic rays, see 96.50.S-
96.50.-e Interplanetary physics (see also 94.05.-a Space plasma physics)
96.50.Bh Interplanetary magnetic fields
96.50.Ci Solar wind plasma; sources of solar wind
96.50.Dj Interplanetary dust and gas
96.50.Ek Heliopause and solar wind termination
96.50.Fm Planetary bow shocks; interplanetary shocks
... ... ...Comets, see 96.30.Cw; 96.30C- in geophysics appendix
96.50.Hp Oort cloud
... ... ...Kuiper belt, see 96.30.Xa
... ... ...Meteors, meteoroids, and meteor streams, see 96.30.Za
... ... ...Meteorites, micrometeorites, and tektites, see 96.30.Za
96.50.Pw Particle acceleration
96.50.Qx Corotating streams
96.50.Ry Discontinuities
96.50.S- Cosmic rays (see also 94.20.wq Solar radiation and cosmic ray effects)
96.50.sb Composition, energy spectra and interactions
96.50.sd Extensive air showers
96.50.sf Interactions with terrestrial matter
96.50.sh Interplanetary propagation and effects
96.50.Tf MHD waves; plasma waves, turbulence
96.50.Uv Ejecta, driver gases, and magnetic clouds
96.50.Vg Energetic particles
96.50.Wx Solar cycle variations
96.50.Xy Heliosphere/ interstellar medium interactions
96.50.Ya Pickup ions
96.50.Zc Neutral particles
96.55.+z Astrobiology and astrochemistry of the Solar system and interplanetary space (see also 91.62.Fc—in geophysics appendix)
96.60.-j Solar physics
96.60.Bn Diameter, rotation, and mass
96.60.Fs Composition
96.60.Hv Electric and magnetic fields, solar magnetism
96.60.Iv Magnetic reconnection
96.60.Jw Solar interior
96.60.Ly Helioseismology, pulsations, and shock waves
96.60.Mz Photosphere
96.60.Na Chromosphere
96.60.P- Corona
96.60.pc Coronal holes
96.60.pf Coronal loops, streamers
96.60.ph Coronal mass ejection
96.60.Q- Solar activity (see also 92.70.Qr—in Global change)
96.60.qd Sun spots, solar cycles
96.60.qe Flares
96.60.qf Prominence eruptions
96.60.T- Solar electromagnetic emission
96.60.tg Radio emission
96.60.th Visible emission
96.60.tj Ultraviolet emission
96.60.tk X-ray and gamma-ray emission
96.60.Ub Solar irradiance
96.60.Vg Particle emission, solar wind (see also 94.30.vf—in geophysics appendix)
96.60.Xy Transition region
96.90.+c Other topics on the Solar system and planetology (restricted to new topics in section 96)