Alphabetical Listing of Atmospheric Research Center Acronyms
- IMS — Information Management System
- IMSL — International Mathematical And Statistical Library
- IMSP — International Meteorological Service Program
- IMU — Inertial Measurement Unit
- INDEX — Indian Ocean Experiment
- INDOEX — Indian Ocean Experiment
- INFOTERRA — International Environmental Research And Referral Service of UNEP
- INO — Institute For Naval Oceanography
- INPA — Instituto Nacional De Pesquisas Da Amazonia
- INPE — Instituto De Pesquisas Espaciais
- INPUT — N/A
- INQUA — International Quaternary Research Association Or International Association On Quaternary Research
- INS — Inertial Navigation System
- INSAT — Indian National Satellite System
- INSTAAR — Institute For Arctic And Alpine Research
- INSTEP — Indonesian Seas Flow Through Experiment
- INSU — National Institute For Sciences of The Universe
- INTELSAT — International Telecommunications Satellite
- INTERFACE — A Common Boundary Between Software Systems Or Pieces of Equipment
- INTERNET — The Collection of All Interconnected Computer Networks Around The Globe That Use The TCP/IP Protocol
- INTEX — NASA’s Intercontinental Chemical Transport Experiment
- INU — Inertial Navigation Unit
- IOC — Intergovernmental Oceanographic Commission
- IOC — International Ozone Commission
- IOC — Inception of Contract
- IOC — Initial Operating Capability
- IOP — Intensive Observation Period
- IOS — Input/Output Subsystem
- IOS — Interplanetary Scintillation
- IP — Internet Protocol
- IPC — Institute of Paper Chemistry
- IPC — Instrument Processing Center
- IPCC — Intergovernmental Panel On Climate Change
- IPEI — Ionospheric Plasma And Electrodynamics Instrument
- IPM — Interpersonal Messaging
- IPMMI — International Photolysis Measurements And Modeling Intercomparison
- IPMP — Intellectual Property Management Program (UCAR)
- IPO — International Programs Office
- IPOC — International Partner Operations Center
- IPOMS — International Polar-Orbiting Meteorological Satellite Group
- IPS — Inches Per Second
- IPT — Integrated Product Teams
- IPU — Instrument Processor Unit
- IQSY — International Years of The Quiet Sun
- IQSY/EX — International Quiet Years of The Sun Experiments
- IR — Infrared
- IR — Infrared
- IR&D — Internal Research And Development
- IR-RAD — Infrared Radiometer
- IR-RAD — Infrared Radiometer
- IRAC — Interdepartmental Radio Advisory Committee
- IRAS — Infrared Astronomical Satellite
- IRC — International Research Council
- IRC — International Radiation Commission
- IRCAT — Infrared Radiometer To Detect (CAT) Horizontal Temperature Gradients
- IRCTR — International Research Centre For Telecommunication-transmission And RADAR
- IRD — Instrument Requirement Document
- IRD — Interface Requirements Document
- IRE — Institute of Radio Engineers
- IRH — Infrared Hygrometer
- IRI — Interagency Research Internet
- IRI — International Research Institute For Climate Prediction
- IRICP — International Research Center For Climate Prediction
- IRIG — Inertial Rate (MIT) Or Reference (NASA) Integrating Gyroscope
- IRIG — Inter-range Instrumentation Group
- IRIS — Infrared Interferometer Spectrometer
- IRIS — Incorporated Research Institutions For Seismology
- IRIS — Italian Research Interim Stage
- IRJE — Internet Remote Job Entry
- IRLS — Interrogation & Reading Location System
- IRMS — Isotope Ratio Mass Spectrometer
- IRR — Integrated Requirements Review
- IRS — Indian Remote-sensing Satellite
- IRS — Information Retrieval Service
- IS — Institute Sponsors
- ISA — Instrument Society of America
- ISAMS — Improved Stratospheric And Mesospheric Sounder
- ISAS — Institute of Space And Astronautical Science
- ISBN — International Standard Book Number
- ISCAT — Investigation of Sulfur Chemistry In Antarctic Troposphere
- ISCCP — International Satellite Cloud Climatology Program
- ISDN — Integrated Services Digital Network
- ISF — In-Situ Sensing Facility
- ISF — International Symposium On Forecasting
- ISFF — Integrated Surface Flux Facilities
- ISG — Immersion Sensing Group
- ISIS — International Satellites For Ionospheric Studies
- ISLSCP — International Satellite Land-Surface Climatology Project
- ISM — In Situ Measurements
- ISMG — International Scientific And Management Group
- ISMP — In-Situ Measurements Project
- ISMRM — Integrated Soil Moisture Retrieval Models
- ISNAR — International Service For National Agricultural Research
- ISO — International Standards Organization
- ISOC — Integrated Science Operations Center
- ISOS — International Southern Ocean Study
- ISP — Internet Service Provider
- ISPAN — Information Stream Project For AWIPS NOAAport
- ISPRA — N/A
- ISR — Individual Schedule Request