DAL — Data Access Language (DAL)Apple's former standard to allow applications to communicate with relational databases. DAL is middleware on a network.
DALR — dry adiabatic lapse rate (DALR)The rate at which the temperature of a parcel of dry air decreases as the parcel is lifted in the atmosphere. The dry adiabatic lapse rate is 5.
dB — Decibel (dB)A standard unit for measuring the loudness or intensity of sound. In general, a sound doubles in loudness with every increase of 10 decibels.
dBA — Decibel, A-weighted (dBA)A measurement of sound approximating the sensitivity of the human ear and used to characterize the intensity or loudness of a sound.
DBI — Database integrator (DBI)ARC/INFO software's link to relational database management systems (RDBMS). DBI enables ARC/INFO users to access existing commercial databases and take…
DCP — Data Collection Platform (DCP)An electronic device that connects to a river or rainfall gage that records data from the gage and at pre-determined times transmits that data through a…
DCS — GOES Data Collection System (DCS)A data collection system under NESDIS which is comprised of the DCPs, and the NESDIS Command and Data Acquisition (CDA) System components.
DCW — "Digital Chart of the World" (DCW)The first 1:1,000,000-scale digital basemap of the world. The DCW contains topologically based vector data digitized from the U.S.
DDE — Dynamic Data Exchange (DDE)An IAC protocol developed by Microsoft for Windows-based applications. DDE allows one application to send messages to, and get information from, other…
DDG — distillers dried grains (DDG)The dried grain byproduct of the grain fermentation process, which may be used as a high-protein animal feed.
DDL — Data definition language (DDL)SQL statements that can be used either interactively or within programming language source code to define databases and their components.
DEC — Declarations (DEC) PageUsually the first page of an insurance policy, it contains the full legal name of your insurance company, your name and address, the policy number…
DED — Data Element Dictionary (DED)The Data Element Dictionary (DED) is a table in which the data element that you are searching for is located.
DEM — Digital Elevation Model (DEM)A digital representation of a continuous variable over a two- dimensional surface by a regular array of z values referenced to a common datum.
DEM — USGS Digital Elevation Model (DEM)A digital elevation model produced by the Survey Branch of the United States Department of the Interior, consisting of a regular array of elevations…
DGM — Digital Geospatial Metadata (DGM)DGM was approved in June 1994 by the Federal Geographic Data Committee (FGDC). DGM describes the specifications for the content, quality, condition, and…
DHS — Department of Homeland Security (DHS)DHS is comprised of three main organizations responsible for immigration policies, procedures, implementation and enforcement of U.S. laws, and more.
DKIM — DomainKeys Identified Mail (DKIM)A standard that email senders use to sign their messages. ISPs use those signatures to verify that messages are legitimate.
DLG — Digital Line Graph (DLG)Digital Line Graph files from the U.S. Geological Survey (USGS), including data from the base map categories such as transportation, hydrography…
DML — Data manipulation language (DML)SQL statements that can be used either interactively or within programming language source code to access and retrieve data stored in a database…
DMS — Data Management System (DMS)Controls the data flow and minimizes data loss. Its primary functions are data collection, storage, and processing.
DNA — Deoxyribonucleic Acid (DNA)a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses.
DNI — Direct Normal Insolation (DNI)Sunlight that directly strikes a surface. DNI does not include refracted sunlight that strikes clouds, dust, or the ground first.
DNS — Domain Name System (DNS)Hierarchical distributed database used for name/address translation and client-server rendezvous.
DOD — Department of Defense (DOD)The mission of the Department of Defense (DOD) is to provide the military forces needed to deter war and to protect the security of our country.
DOE — Department of Energy (DOE)In 1989, the Department of Energy (DOE) created the Office of Environmental Management (EM) to mitigate the risks and hazards posed by the legacy of…
DOJ — U.S. Department of Justice (DOJ)DOJ is the United States federal executive department responsible for the enforcement of the law and administration of justice.
DOL — Department of Labor (DOL)A cabinet level unit/ministry of the U.S. government that has responsibility for labor issues.
DOT — Department of Transportation (DOT)Established by an act of Congress on October 15, 1966, the Department of Transportation's (DOT) mission is to serve the United States by ensuring a fast…
DPR — Daily periodic rate (DPR)DPR stands for “Daily Periodic Rate.” This is a daily interest rate. The daily periodic rate or DPR for a given balance is equal to the APR on that…
DQPR — Data Quality Problem Report (DQPR)An ARM infrastructure problem report issued to site operators by the Data Quality Office, instrument mentors, and/or site scientists to report a problem…
DQR — Data Quality Report (DQR)Used to identify and document problems with ARM systems, physical infrastructure, or instruments.
DR — Disaster Recovery (DR)An architecture is a prevention mechanism that scales up immediately and enable a rapid failover in case of a failure in users’ critical IT systems.
DSM — Demand-Side Management (DSM)The process of managing the consumption of energy, generally to optimize available and planned generation resources.
DSP — Division of Science and Policy (DSP)The office within HRSA's HIV/AIDS Bureau that administers the Part F (SPNS) Program, HIV/AIDS evaluation studies, policy, and data reporting.
DTI — Debt-to-income (DTI)a comparison or ratio of gross income to housing and other expenses or debts the homeowner owes.
DTI — Debt-to-Income Ratio (DTI)The percentage of a consumer's monthly gross income that goes toward paying debts. Generally, the higher the ratio, the higher the perceived risk.
DWOPER — Dynamic Wave Routing Model (DWOPER)A computerized hydraulic routing program whose algorithms incorporate the complete one-dimensional equations of unsteady flow originally developed by…
DXF — Data Exchange Format (DXF)A format for storing vector data in ASCII or binary files. Used by AutoCAD and other CAD software for data interchange.