tidal range
41Volcanic arc — Mariana Islands, an oceanic island arc A volcanic arc is a chain of volcanoes positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally they result from the subduction of an… …
42Ocean Surface Topography Mission — OSTM/Jason 2 Artist s interpretation of the Jason 2 satellite Operator NASA, CNES, NOAA, EUMETSAT Mission type Earth orbiter …
43English Channel — an arm of the Atlantic between S England and N France, connected with the North Sea by the Strait of Dover. 350 mi. (565 km) long; 20 100 mi. (32 160 km) wide. * * * or the Channel French La Manche ( The Sleeve ) Strait between southern England… …
44Indian Ocean — an ocean S of Asia, E of Africa, and W of Australia. 28,357,000 sq. mi. (73,444,630 sq. km). * * * Indian Ocean Introduction Indian Ocean Background: The Indian Ocean is the third largest of the world s five oceans (after the Pacific Ocean and… …
45Oceanic zone — Marine habitats The oceanic zone is the deep open ocean water that lies off the continental slopes Littoral zone Intertidal zone …
46Oceanography — For the scientific journal, see Oceanography (journal). Thermohaline circulation Oceanography (compound of the Greek words ωκεανός meaning ocean and γράφω meaning to write ), also called oceanology or marine science, is the branch of Earth… …
47Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …
48The Broads — Not to be confused with The Broads, Newfoundland and Labrador. A typical view of the Norfolk Broads The Broads are a network of mostly navigable rivers and lakes in the English counties of Norfolk and Suffolk. The Broads, and some surrounding… …
49Seawater — in the Strait of Malacca Seawater is water from a sea or ocean. On average, seawater in the world s oceans has a salinity of about 3.5% (35 g/L, or 599 mM). This means that every kilogram (roughly one litre by volume) of seawater has… …
50SOFAR channel — The SOFAR channel (short for Sound Frequency and Ranging channel), or deep sound channel (DSC),[1] is a horizontal layer of water in the ocean at which depth the speed of sound is minimal. The SOFAR channel acts as a waveguide for sound, and low… …
