tidal interval

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• Tidal bore — Aegir redirects here. For the mythological figure, see Ægir. For the moon of Saturn, see Aegir (moon). The tidal bore in Upper Cook Inlet, Alaska A tidal bore (or simply bore in context, or also aegir, eagre, or eygre) is a tidal phenomenon in… …   Wikipedia

• Tidal locking — A separate article treats the phenomenon of tidal resonance in oceanography. : See the article tidal acceleration for a more quantitative description of the Earth Moon system. Tidal locking occurs when the gravitational gradient makes one side of …   Wikipedia

• Tidal wave — Tide Tide, n. [AS. t[=i]d time; akin to OS. & OFries. t[=i]d, D. tijd, G. zeit, OHG. z[=i]t, Icel. t[=i]?, Sw. & Dan. tid, and probably to Skr. aditi unlimited, endless, where a is a negative prefix. [root]58. Cf. {Tidings}, {Tidy}, {Till}, prep …   The Collaborative International Dictionary of English

• tidal day — lunar day (in describing tides, the time of rotation of the Earth with respect to the moon, or the interval between two successive upper transits of the moon over the meridian of a place. The mean lunar day is approximately 24.84 solar hours in… …   Dictionary of ichthyology

• tidal stand — an interval at high or low water where there is no observable change in the height of the tide …   Dictionary of ichthyology

• Lunitidal interval — The lunitidal interval [ [http://www.hydro.gov.au/prodserv/tides/lunitidal intervals.htm Australian Hydrographic Service definition] ] , is also called the high water interval (HWI) [ [http://tidesandcurrents.noaa.gov/datum options.html NOAA HWI… …   Wikipedia

• Lunitidal interval — Lunitidal Lu ni*tid al, a. Pertaining to tidal movements dependent on the moon. Bache. [1913 Webster] {Lunitidal interval}. See {Retard}, n. [1913 Webster] …   The Collaborative International Dictionary of English

• Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

• Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …   Universalium

• Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

• Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… …   Universalium