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The density of air is mainly determined by temperature and water vapor content, the density of sea water by temperature and salinity, and the density of lake water by temperature. Where stratification occurs, there may be thin layers in which temperature or some other property changes more rapidly with height or depth than the surrounding fluid.
North Atlantic Tracks for the westbound crossing of February 24, 2017, with the new reduced lateral separation minima (RLAT) Tracks shown in blue. The North Atlantic Tracks, officially titled the North Atlantic Organised Track System (NAT-OTS), are a structured set of transatlantic flight routes that stretch from eastern North America to western Europe across the Atlantic Ocean, within the ...
The launch of GOES-N, which was renamed GOES-13 after attaining orbit. The Geostationary Operational Environmental Satellite (GOES), operated by the United States' National Oceanic and Atmospheric Administration (NOAA)'s National Environmental Satellite, Data, and Information Service division, supports weather forecasting, severe storm tracking, and meteorology research.
The National Environmental Satellite, Data, and Information Service (NESDIS) was created by the National Oceanic and Atmospheric Administration (NOAA) to operate and manage the United States environmental satellite programs, and manage the data gathered by the National Weather Service and other government agencies and departments.
A NOAA Lockheed WP-3D Orion used for hurricane reconnaissance missions.. The Office of Marine and Aviation Operations (OMAO) is a division of the National Oceanic and Atmospheric Administration (NOAA) which operates a wide variety of specialized ships and aircraft to carry out the environmental and scientific missions of NOAA.
[4] The numbering of the vertical grid goes from the bottom waters upward to the air-water interface: the bottom water level is level 1 and the topmost surface water level is the highest number (such as level 20). With a coupled sediment module, the numbering of the sediment seabed levels goes from the sediment-water interface downward: the ...
Oceanic is an American manufacturer of scuba gear. It was founded by Bob Hollis in 1972 and is based in San Leandro , California , United States. [ 1 ] Its products include dive computers , rebreathers and a novel diving mask incorporating a heads-up-display of information.
NOAA also publish a Diving Standards and Safety Manual (NDSSM), which describes the minimum safety standards for their diving operations. Several editions of the diving manual have been published, and several editors and authors have contributed over the years. The book is widely used as a reference work by professional and recreational divers.