Damage 1,998 Dams 1,280 Dansgaard-Oeschger cycles 295 Data 390 Data acquisition 329 Data bases 815 Data centers 280 Data management 212 Data processing 5,857 Data transmission 311 Dates 4,081 Debris 480 Debris flows 633 Decadal variations 264 Decomposition 274 Deep Sea Drilling Project 535 Deep-sea environment 634 Deep-water environment 210 Defects 132 Deformation 3,019 DEFORMATION 138 Deglaciation 3,979 Degradation 1,447 Degree days 193 Deicers 201 Deltaic environment 197 Deltas 355 Density 1,304 Density (mass/volume) 1,452 Denudation 256 Depletion 191 Deposition 1,098 Depositional environment 2,249 Depth 1,549 Deserts 378 Desiccation 182 Design 5,880 Design criteria 1,114 Detection 998 Detritus 170 Deuterium 379 Deuterium oxide ice 144 Development 266 Devensian 191 Devonian 284 D/H 632 Diabase 179 Diagenesis 462 Diamictite 274 Diamicton 459 Diatoms 1,788 Dicotyledoneae 343 Dielectric properties 683 Diesel engines 137 Diet 509 Diffusion 416 Digital cartography 155 Digital data 360 Digital simulation 983 Digital terrain models 1,041 Dikes 417 Dinoflagellata 339 Diomedeidae 133 Diptera 164 Discharge 1,617 Discontinuous permafrost 270 Dispersions 170 Displacements 201 Dissolved materials 870 Dissolved oxygen 180 Distribution 2,949 Diurnal variations 1,101 Diving 194 DNA 502 Doped ice 166 Drainage 1,602 Drainage basins 1,589 Drainage patterns 169 Drains 178 Dredging 191 Drift 2,876 DRIFT 162 Drift stations 416 Drill core analysis 541 Drilling 1,720 DRILLING 219 Drilling fluids 195 Drills 175 Dronning Maud Land 168 Drops (liquids) 169 Drought 180 Drumlins 438 Drying 150 Dry Valley Drilling Project 187 Dry valleys 240 Dunes 244 Dust 940 Dynamic loads 438 Dynamic properties 298 Dynamics 1,120