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A B C D E F G H I J K L M N O P Q R S T U V W XYZ #
Long names are given in the original language. An English equivalent will be provided as far as it is known to GRDC. If available, an URL will be provided which will guide you to the respective external presentation, usually the Website of the organisation, programme or project. These Hyperlinks are provided as a convenience only. They imply neither responsibility for, nor approval of, the information contained in those Websites.
| NAME | North American Monsoon Experiment, joint project of CLIVAR and GEWEX |
| NAO | North Atlantic Oscillation |
| NASA | National Aeronautics and Space Administration (US) |
| NASA EOS | NASA Earth Observing System |
| NASDA | National Space Development Agency (JP) |
| NBA | Niger Basin Authority (Autorité du Bassin du Niger) |
| NBI | Nile Basin Initiative |
| NCAR | US National Center for Atmospheric Research |
| NCAR PCM | Parallel Climate Model of NCAR |
| NCEP | US National Centers for Environmental Prediction |
| NCDC | US National Climatic Data Centre |
| NDACC | Network for the Detection of Atmospheric Composition Change, hosted by NOAA, formerly NDSC |
| NDSC | Network for the Detection of Stratospheric Change, followed by NDACC |
| NEESPI | Northern Eurasia Earth Science Partnership Initiative, an external project of IGBP |
| NE FRIEND | Northern European FRIEND, followed by EURO-FRIEND |
| NERC | Natural Environment Research Council (UK) |
| NESDIS | US National Environmental Satellite, Data, and Information Service of NOAA |
| NGA | US National Geospatial-Intelligence Agency |
| NGDC | US National Geophysical Data Center of NOAA |
| NHS | National Hydrological Service |
| NIES | National Institute for Environmental Studies (JP) |
| Niger HYCOS | Niger Hydrological Cycle Observing System (Systeme d’observation du cycle hydrologique du bassin du Niger), belongs to WHYCOS |
| NIMA | US National Imagery and Mapping Agency at USGS |
| NinJo | Meteorological Workstation System, developed by a consortium of National Meteorological Services |
| NMS | National Meteorological Service |
| NMHS | National Meteorological and Hydrological Service |
| NOAA | US National Oceanic and Atmospheric Administration |
| NOKIS | Nord- und Ostseeküsteninformationssystem (German North and Baltic Sea Coastal Information System) |
| NPOESS | US National Polar-orbiting Operational Environmental Satellite System |
| NRCAN | Natural Resources Canada (Ressources naturelles Canada) |
| NSF | US National Science Foundation |
| NSIDC | US National Snow and Ice Data Centre |
| NSSTC | US National Space Science and Technology Center |
| NWIS | National Water Information System, maintained by the USGS |
| NWRI | National Water Research Institute (CA) |