douglas+sea+and+swell+scale

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• Douglas sea and swell scale — ▪ Table sea swell low moderate heavy no short or long short average long short average long confused swell average swell 0 1 2 3 4 5 6 7 8 9 0 calm 00 01 02 03 04 05 06 07 08 09 1 smooth 10 11 12 13 14 15 16 17 18 19 2 slight 20 21 22 23 24 25 …   Universalium

• international sea and swell scale — noun a combined scale for recording the sea from calm to confused , and the swell from no swell to confused swell by figures 00 to 99 where the first digit represents the sea and the second digit represents the swell. Also, Douglas scale …  

• Douglas Sea Scale — The Douglas Sea Scale is a scale which measures the height of the waves and also measures the swell of the sea. The scale is very simple to follow. The Douglas Sea Scale is expressed in one of 10 degrees. Contents 1 The Scale 1.1 Wind Sea 1.2… …   Wikipedia

• Douglas scale — ▪ oceanography        Douglas sea and swell scale either of two arbitrary series of numbers from 0 to 9, used separately or in combination to define qualitatively the degree to which the ocean surface is disturbed by fresh waves (sea) generated… …   Universalium

• Douglas Scale — /ˈdʌgləs skeɪl/ (say dugluhs skayl) noun the international sea and swell scale. {from the originator, Sir Henry Percy Douglas, 1876–1939, director of British Naval Meteorological Service} …  

• Sea state — A sea state includes the height, period, and character of waves on the surface of a large body of water. The large number of variables involved in creating the sea state cannot be quickly and easily summarised, so simpler scales are used to give… …   Wikipedia

• Sea level — For the sea level change associated with the current episode of global warming, see current sea level rise. For other uses, see Sea level (disambiguation). This marker indicating the sea level is placed on the path from Jerusalem to the Dead Sea …   Wikipedia

• Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …   Wikipedia

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium

• North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium