Glossary: I

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  1. A satellite instrument that measures and maps the Earth and its atmosphere. Imager data are converted by computer into pictures. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  2. Latin for 'in original place.' Refers to measurements made at the actual location of the object or material measured. Compare remote sensing. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  3. One of the six Keplerian elements, it indicates the angle of the orbit plane to the central body's equator. See Keplerian elements for diagram. The elliptical path of a satellite orbit lies in a plane known as the orbital plane. The orbital plane...
  4. All of the means and mechanisms for data receipt, processing, storage, retrieval, and analysis. Information Systems can be designed for storage and dissemination of a variety of data products--including primary data sets and both intermediate and...
  5. Infrared is electromagnetic radiation whose wavelength spans the region from about 0.7 to 1000 micrometers (longer than visible radiation, shorter than microwave radiation). Remote sensing instruments work by sensing radiation that is naturally...
  6. National Institute for Space Research in Brazil
  7. The International Geosphere-Biosphere Programme (IGBP) is an interdisciplinary scientific activity established and sponsored by the International Council for Science (ICSU). The program was instituted by ICSU in 1986, and the IGBP Secretariat was...
  8. The International System of Units prescribes the symbols and prefixes shown in the table to form decimal multiples and submultiples of SI units. The following examples illustrate the use of these prefixes: 0.000,001 meters = 1 micrometer = 1°m 1000...
  9. A discontinuous belt of thunderstorms paralleling the equator and marking the convergence of the northern and southern hemisphere surface trade winds. See El Niño's Extended Family. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  10. Lines drawn on a weather map joining places of equal barometric pressure. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  11. Of or indicating equality of temperature. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  12. Lines connecting points of equal temperature on a weather map. Source: NASA (http://earthobservatory.nasa.gov/Glossary)
  13. Indian Space Research Organisation
  14. ITU
    International Telecommunication Union