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Section S S index 341-349 of 1376 terms
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shield—See rain-gauge shield, radiation shield.
shimal—Same as shamal.
shimmer—See scintillation.
shine—A general term for a dry heiligenschein, moist heiligenschein, or sylvanshine.
ship motion—The complex motion imparted to a ship upon encountering waves. All the motions can be regarded as combinations of three oscillations about horizontal or vertical axes (roll, pitch, and yaw), and three linear displacements of the center of gravity (heave, surge, and sway).
ship report—The encoded and transmitted report of a marine weather observation by a ship at sea.
ship routing—Advice to shipping companies and ship captains of the best routes to be taken between any two ports by a particular ship. Criteria for selection include avoidance of navigational hazards such as fog or ice, fuel economy, and avoidance of damage to ship or cargo (e.g., from a major storm).
ship synoptic code—A synoptic code for communicating marine weather observations. It is a modification of the international synoptic code. Abbreviated forms of the ship synoptic code are 1) abbreviated ship code, 2) short ship code, and 3) lightship code.
shoal—Shallow water usually associated with the presence of sand bars below the surface. Sometimes these sand bars are exposed during low tides.
shoaling—The increase in the wave height of wind waves in shallow water because of the divergence in wave group velocity. This happens when the depth decreases near the coast.
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