Damage 2,026 Dams 1,220 Dansgaard-Oeschger cycles 275 Data acquisition 264 Data bases 747 Data centers 309 Data management 202 Data processing 5,498 Data transmission 328 Dates 2,521 Debris 356 Debris flows 471 Decadal variations 266 Decomposition 309 Deep Sea Drilling Project 201 Deep-sea environment 468 Deep-water environment 182 Defects 134 Deformation 2,443 DEFORMATION 158 Deglaciation 2,945 Degradation 1,471 Degree days 225 Deicers 195 Deltaic environment 141 Deltas 382 Density 1,167 Density (mass/volume) 1,363 Denudation 188 Depletion 183 Deposition 661 Depositional environment 1,885 Depth 1,346 Depth hoar 116 Desalting 120 Deserts 379 Desert soils 136 Desiccation 182 Design 5,805 DESIGN 125 Design criteria 1,167 Detection 942 Deuterium 230 Deuterium oxide ice 146 Development 204 Devensian 145 Devonian 140 D/H 456 Diagenesis 362 Diamictite 194 Diamicton 296 Diatoms 1,334 Dicotyledoneae 272 Dictionaries 117 Dielectric properties 695 Diesel engines 137 Diet 508 Diffusion 382 Digital cartography 136 Digital data 350 Digital simulation 878 Digital terrain models 968 Dikes 185 Dinoflagellata 261 Diomedeidae 133 Diptera 158 Discharge 1,353 Discontinuous permafrost 406 Dislocations (materials) 152 Dispersions 178 Dissolved materials 864 Dissolved oxygen 174 Distribution 2,305 Diurnal variations 1,059 Diving 194 DNA 500 Doped ice 168 Drainage 1,503 Drainage basins 1,310 Drains 180 Dredging 190 Drift 2,814 DRIFT 163 Drift stations 429 Drill core analysis 1,254 Drilling 1,617 DRILLING 227 Drilling fluids 202 Drills 179 Dronning Maud Land 168 Drops (liquids) 169 Drought 166 Drumlins 358 Drying 148 Dry valleys 126 Dunes 182 Dust 911 Dynamic loads 475 Dynamic properties 272 Dynamics 955