Abbreviation Definition
A&PAnalysis and Prediction
A/OGCMCoupled Atmosphere/Ocean General Circulation Model
AAAssistant Administrator
AAAGAtlantic Arc Aquaculture Group
AAASAmerican Association for the Advancement of Science
AABWAntArctic Bottom Water
AAIWAntarctic Intermediate Water
AAMAtmospheric Angular Momentum
AAOEAirborne Antarctic Ozone Experiment
AAOTAcqua Alta Oceanographic Tower
AAPBAerobic Anoxyenic Phototrophic Bacteria
AARCArctic Antarctic Research Center
AARIArctic and Antarctic Research Institute
AARSAutomated Aircraft Reporting System
AASAdvanced Automation System
AASAmerican Astrophysical Society
AASEAirborne Arctic Stratospheric Expedition
AASRAnnual Aquaculture Statistical Report
ABAsymmetric Balance
ABISSAutomated Benthic Image Scaling System

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