Science / Tides and Currents / Tide Reducers: Height corrections for reducing soundings to chart datum (MLLW). A tide reducer represents the height of the water level at a given place and time relative to chart datum. Tide reducers are obtained f MORE
Entertainment / Music / Dissonance: Harsh, discordant, and lack of harmony. Also a chord that sounds incomplete until it resolves itself on a harmonious chord. MORE
Science / Tides and Currents / Tidal Zoning: The practice of dividing hydrographic survey area into discrete zones or sections, each one possessing similar tidal characteristics. One set of tide reducers is assigned to each zone. Tide reducers a MORE
Science / Tides and Currents / Chart Datum: The datum to which soundings on a chart are referred. It is usually taken to correspond to a low-water elevation, and its depression below mean sea level is represented by the symbol Z;. Since 1980, c MORE
Science / Weather / Vertical Wind Profile: A series of wind direction and wind speed measurements taken at various levels in the atmosphere that show the wind structure of the atmosphere over a specific location. Obtained through a rawinsonde MORE
Science / Weather / Vertical Temperature Profile: A series of temperature measurements taken at various levels in the atmosphere that show the thermal structure of the atmosphere over a specific location. Obtained through a rawinsonde sounding or com MORE