Mean Sea Level (MSL): A tidal datum. The arithmetic mean of hourly heights observed over the National Tidal Datum Epoch. Shorter series are specified in the name; e.g., monthly mean sea level and yearly mean sea level.

 

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Mean Sea Level (MSL): A tidal datum. The arithmetic mean of hourly heights observed over the National Tidal Datum Epoch. Shorter series are specified in the name; e.g., monthly mean sea level and yearly mean sea level.

Sea Bands: A product resembling a bracelet that is worn on the wrists and operates via accupressure. Wearers claim that seasickness can be avoided by their use, thus eliminating the need for drugs such . . . View Full Definition

Sargasso Sea: An area of the North Atlantic Ocean between Bermuda and the Azores. It is in the middle of the North Atlantic oceanic gyre, with converging surface waters. Consequently, it has less biologic . . . View Full Definition

Sea Breeze: A diurnal coastal breeze that blows onshore, from the sea to the land. It is caused by the temperature difference when the surface of the land is warmer than the adjacent body of water. Pred . . . View Full Definition

Sea Breeze Front: A coastal phenomena, it is restricted to large bodies of water and their immediate coast lines. This is usually the landward extent of the sea breeze. Due to the imbalance of heating between . . . View Full Definition

Sea Ice: Ice that is formed by the freezing of sea water. It forms first as small crystals, thickens into sludge, and coagulates into sheet ice, pancake ice, or ice floes of various shapes and sizes.

Sea Fog: A type of advection fog which forms in warm moist air cooled to saturation as the air moves across cold water.

Root Mean Squared (RMS): A term used to indicate the average level of power that a receiver or amplifier can sustain over a given period of time. Average power ratings (ex: 100 watts RMS) provide a more realistic as . . . View Full Definition

Resistance Level: A price level above which it is supposedly difficult for a security or market to rise. Price ceiling at which technical analysts note persistent selling of a commodity or security. Antithesi . . . View Full Definition

Relative Mean Sea Level Change: A local change in mean sea level relative to a network of bench marks established in the most stable and permanent material available (bedrock, if possible) on the land adjacent to the tide . . . View Full Definition