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Eng ID Term Definition
2501
Intergovernmental Oceanographic Commission (IOC)
Established within UNESCO to promote the scientific investigation of the oceans through the concerted action of Member States.
2502
interior orientation
See ORIENTATION.
2503
interior perspective centre
See PERSPECTIVE CENTRE.
2504
interlines (of sounding)
Those SOUNDING LINES running between the normally spaced lines usually when the BOTTOM is known or suspected to be irregular or if more deta... more
Those SOUNDING LINES running between the normally spaced lines usually when the BOTTOM is known or suspected to be irregular or if more detailed information about the sea bottom relief is required.
2505
internal waters
Waters on the landward side of the baseline of the territorial sea and landlocked waters within the state.
2506
internal wave
See WAVE.
2507
International Association for the Physical Sciences of the Ocean (IAPSO)
Promotes the study of scientific problems relating to the ocean and interactions at its boundaries.
2508
International Association of Geodesy (IAG)
One asso­ciation of IUGG.
2509
International Association of Geomagnetism and Aeronomy (IAGA)
Promotes international coordination of efforts to further the sciences of geomagnetism and aeronomy.
2510
International Association for Hydraulic Research (IAHR)
Stimulates and promotes hydraulic research, both basic and applied, in all its aspects.
2511
International Association of Lighthouse Authorities (IALA)
Association of authorities responsible for the provision or maintenance of lighthouses and other aids to marine navigation.
2512
International Association of Meteorology and Atmospheric Physics (IAMAP)
Promotes meteorological research and investigation including all aspects of atmosphe­ric physics, particularly in those fields which requir... more
Promotes meteorological research and investigation including all aspects of atmosphe­ric physics, particularly in those fields which require international cooperation.
2513
International Association of Scientific Hydrology (IASH)
Promotes and develops the study of hydrology; initiates, facilitates and coordinates research on such hydrological problems requiring intern... more
Promotes and develops the study of hydrology; initiates, facilitates and coordinates research on such hydrological problems requiring international cooperation.
2514
International Association of Seismology and Physics of the Earth's Interior (IASPEI)
Develops the study of seismology and physics of the earth's interior in the economic, social and scientific aspects.
2515
International Association of Theoretical and Applied Limnology (IAL)
Furthers the progress of theoretical and applied limnology by holding congresses, by pu­blishing the proceedings of the congresses, and by p... more
Furthers the progress of theoretical and applied limnology by holding congresses, by pu­blishing the proceedings of the congresses, and by providing a sound foundation of methods and techni­ques of limnological investigations.
2516
International Association of Volcanology and Chemistry of the Earth's Interior (IAV)
Promotes research in all matters relating to volcanic activity; coordina­tes research in mineralogy, chemistry and physical chemi­stry for t... more
Promotes research in all matters relating to volcanic activity; coordina­tes research in mineralogy, chemistry and physical chemi­stry for the benefit of volcanologists.
2517
International Atomic Time
See ATOMIC TIME: INTERNATI­ONAL.
2518
International Bureau of Weights and Measures (IBWM)
Establishment of international standards and of measurement scales of physical sizes; determination of fundamental physical constants.
2519
International Cartographic Association (ICA)
Advances the study of cartographic problems; instigates cartographic research involving cooperation between nati­ons.
2520
International (INT) Chart
A nautical chart with limits and scale in conformity with an internationally agreed scheme of such charts; carries the INT number of that sh... more
A nautical chart with limits and scale in conformity with an internationally agreed scheme of such charts; carries the INT number of that sheet; conforms to the Chart Specifications of the IHO.