AAFC]]>'> DNA]]>'> HDP]]>'> ICSU]]>'> IGAC]]>'> IGBP]]>'> ISO]]>'> NSF]]>'> PAGES]]>'> PDF]]>'> TIGER]]>'> http://www.deklim.de/seiten/dek-frame-en.asp]]>'> http://www.deuqua.de]]>'> http://www.bgc-jena.mpg.de/]]>'> http://xtreme.gsfc.nasa.gov/dis/]]>'> http://www.meteo.fr/cnrm/igbp/]]>'> http://www.usgs.gov/doi/doi.html]]>'> http://www.doi.org]]>'> http://www.dri.edu]]>'> http://www.ducks.org/]]>'> ]> District Attorney (US) Distributed Active Archive Center decide-announce-defend, a process of decision-making in the government sphere prefix for radiocarbon dates produced at Dalhousie University, Halifax, Nova Scotia (Canada) diatom accumulation rate Direct Aeorosol Radiative Forcing (&IGAC; activity) dubnium, a transition metallic element depth below datum, referencing system used in archaeology depth below surface, referencing system used in archaeology Dictrict of Columbia, USA direct current Devonian-Carboniferous transition detrended correspondence analysis, a multivariate statistical method dichlorodiphenyl dichloroethylene dichlorodiphenyl trichloroethane, an insecticide thawing degree days &ISO; country code for Germany Delaware (US state) documentary (written) evidence direct evidence Deposition of Biogeochemically Important Trace Species (&IGAC; activity) Dynamique et Chimie de l'Atmosphère en Forêt Equatoriale (&IGAC; activity) Dutch Elm Disease German Climate Research Program (Deutsches Klimaforschungsprogamm). See &LINK001; digital elevation model Real Time Forest Fetection System for Brazil, a remote sensing operation Deutsche Quatärvereinigung (German Quaternary Association). See &LINK002; discriminant function analysis, a multivariate statistical method Department of Fisheries and Oceans (Canada, Federal) deep-seated gravitational slope deformations Dynamic Global Vegetation Model(s) deuterium/hydrogen ratio docosahexaenoic acid, an omega-3 fatty acid essential for optimal brain development diaphorase (enzyme, focus in genetic studies) Department of Indian Affairs and Northern Development (Canada, Federal) dissolved inorganic carbon differential interference contrast, a technique in microscopy prefix for radiocarbon dates produced by Radioisotopes Laboratory, Dicar Corporation, Cleveland, Ohio (USA) digital image correction system DIRTMAP differential interferometric synthetic aperture radar data and information system (under &IGBP; and &HDP;). See &LINK004; and &LINK005; diffuse idiopathic skeletal hyperostosis, a painful skeletal pathology associated with over-eating an international program on biodiversity science, sponsored by &ICSU; See http://www.icsu.org/diversitas &ISO; country code for Djibouti December, January, and February, i.e., winter months in the northern hemisphere &ISO; country code for Denmark ratio of D (alloisoleucine) / L (isoleucine) in amino acid racemization. Dominion Land Survey (Canada) &ISO; country code for Dominica disaster monitoring Disater Monitoring Constellation, a group of satellites operated by different countries acting as a network and which provide imagery of large areas to help with disaster identification and response efforts dimethylsulphide deoxyribonucleic acid Decade of North American Geology (project) Department of National Defence (Canada, department subsequently re-named) do not know deoxynucleotide triphosphates, chemicals used in molecular genetics does not work did not work &ISO; country code for Dominican Republic Dansgaard-Oeschger events Department of Agriculture (US, Federal agency) dissolved organic carbon Department of Defense (US, Federal agency) Department of Energy (US, Federal agency) Department of the Environment (Canada, Federal) Department of the Interior (US, Federal agency). See &LINK006; digital object identifier, used for &PDF; versions of on-line documents, especially papers from electronic versions of journals. See &LINK007; Dynamic Global Phytogeography Model (model used by &TIGER;) dissolved organic matter département d'outre-mer, or overseas department. Overseas administrative unit of France Department of State (US, Federal agency) Drilling, Observation, and Sampling of the Earth's Continental Crust (private non-profit corporation funded by &NSF;, USA) Department of Transportation (US, federal) dead oil viscosity day of year Dinosaur Park Formation, a Campanian (Late Cretaceous) rock sequence, particularly well exposed in the Dinosaur Provincial Park area of Alberta, Canada, that has yielded many dinosaur forssils Drought Preparedness Partnership, initiative under &AAFC; Dinosaur Provincial Park, Alberta, Canada Democratic Republic of the Congo dense rock equivalent Desert Research Institute, Reno, Nevada, USA. See &LINK008; depositional remanent magnetization, a term used in palaeomagnetic studies dust storm darmstadtium, a transition metallic element Deep Sea Drilling Project digital surface model Denmark Strait overflow water differential thermal analysis digital terrain models diurnal (daily) temperature range Ducks Unlimited. See &LINK009; dorsal view (orientation of a specimen) distal view (of a specimen) dust veil index, used for assessing the impact of volcanic eruptions on climate dry weight Deep Western Boundary Current, an ocean current off the east coast of New Zealand dry weight equivalent dysprosium, a transition metallic element &ISO; country code for Algeria disturbed zone