(1630, 1637, 1807, 8408) Health impact Human impact (1834, 7938) Spatial decision support systems (1918, 6309) Megacities and urban environment (0345, 0478, 0493) Exposure Resilience Risk (8488) Sustainable development Vulnerability Disaster relief Disaster resilience Disaster risk analysis and assessment (6304, 8488) Disaster risk communication Disaster management Economic impacts of disasters Remote sensing and disasters (1243, 1640, 1855, 3360, 8485) Disaster policy (6300, 6620) Disaster mitigation (6309, 7914) Early warning systems Emergency management (6344) Preparedness and planning (6334) Microzonation and macrozonation Community management Emergency response and evacuations (1964) Recovery and reconstruction after disaster Contingency planning International organizations and natural disasters Interaction between science and disaster management authorities Sociology of disasters (1974) Psychology of disasters Miscellaneous NONLINEAR GEOPHYSICS (3200, 4307, 6944, 7839) Bifurcations and attractors Cascades Chaos (7805) Critical phenomena Complex systems Emergent phenomena Fractals and multifractals Nonlinear differential equations Nonlinear maps Nonlinear waves, shock waves, solitons (0689, 2487, 3280, 3285, 4275, 6934, 7851, 7852) Pattern formation Phase transitions Probability distributions, heavy and fat-tailed (3265) Renormalization group methods Scaling: spatial and temporal (1872, 1988, 3265, 3270, 4277, 7857) Self-organized criticality Self-organization Turbulence (3379, 4568, 7863) Instruments and techniques General or miscellaneous OCEANOGRAPHY: GENERAL Analytical modeling and laboratory experiments Arctic and Antarctic oceanography (9310, 9315) Benthic boundary layers Climate and interannual variability (1616, 1635, 3305, 3309, 4513) Coastal processes Continental shelf and slope processes (3002) Coral reef systems (4916) Descriptive and regional oceanography Diurnal, seasonal, and annual cycles (0438) Equatorial oceanography Estuarine processes (0442) Limnology (0458, 1845, 4942) Marginal and semi-enclosed seas Marine meteorology Marine pollution (0345, 0478) Numerical modeling (0545, 0560, 1952) Ocean acoustics Ocean data assimilation and reanalysis (3225) Ocean observing systems Ocean predictability and prediction (3238, 4315) Ocean optics (0649) Physical and chemical properties of seawater Physical and biogeochemical interactions Remote sensing and electromagnetic processes (0689, 2487, 3285, 4455, 6934) Time series experiments (1872, 1988, 3270, 4475) Upwelling and convergences (4964) Water masses Instruments and techniques General or miscellaneous OCEANOGRAPHY: PHYSICAL Air/sea interactions (0312, 3339) Capillary waves Coriolis effects Currents Decadal ocean variability (1616, 1635, 3305, 4215) Deep recirculations Eastern boundary currents Eddies and mesoscale processes ENSO (4922) Fine structure and microstructure Fronts and jets General circulation (1218, 1222) Hydrodynamic modeling Hydrography and tracers Ice mechanics and air/sea/ice exchange processes (0700, 0750, 0752, 0754) Internal and inertial waves Nearshore processes Ocean fog Ocean influence of Earth rotation (1223) Overflows Planetary waves Sea level: variations and mean (1222, 1225, 1641) Sediment transport (1862) Surface waves and tides (1222) Topographic/bathymetric interactions Tsunamis and storm surges (4302, 4304) Turbulence, diffusion, and mixing processes (4490) Upper ocean and mixed layer processes Western boundary currents Instruments and techniques General or miscellaneous OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL (0460) Aerosols (0305, 4906) Analytical chemistry Anoxic environments (0404, 1803, 4834, 4902) Benthic processes, benthos (0408) Biogeochemical cycles, processes, and modeling (0412, 0414, 0793, 1615, 4912) Carbon cycling (0428) Chemical speciation and complexation Chemical tracers Chemosynthesis Colloids Ecological prediction Ecosystems, structure, dynamics, and modeling (0439) Food webs, structure, and dynamics (0491) Gases Geochemistry Higher trophic levels Hydrothermal systems (0450, 1034, 3017, 3616, 8135, 8424) Hypoxic environments (0404, 4802) Marine inorganic chemistry (1050)