Because of theinfluence of wind in creating current, there is a relationshipbetween this oceanic circulation and the general circulationof the atmosphere. The oceanic circulation is shown on thechart following this page (winter N. hemisphere), with thenames of the major ocean currents.
Radiological Dispersion Device. Terrorist use of a Radiological Dispersion Device (RDD) â often called âdirty nukeâ or âdirty bombâ â is considered far more likely than use of a nuclear explosive device. An RDD combines a conventional explosive device â such as a bomb â with radioactive material.
Database Description (DBD) Generation utility. Use the Database Description Generation (DBDGEN) utility to define a database so that it can be used by an application program. A database description (DBD) is a DL/I control block containing all of the database information needed by an application program. You create a database description (DBD) by coding special macro instructions. These macros become the input to the DBDGEN utility.