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Also amphidrome and tidal node. A geographical location where there is little or no tide, i.e. where the tidal amplitude is zero or nearly zero because the height of sea level does not change appreciably over time (meaning there is no high tide or low tide), and around which a tidal crest circulates once per tidal period (approximately every 12 hours). Tidal amplitude increases, though not ...
Old Down, hamlet near Olveston and Tockington in South Gloucestershire, England; Otterham Down, village and a civil parish in north Cornwall, England; Overton Down, a long-term project in experimental archaeology in Wiltshire, England; Park Gate Down, stretch of chalk downland near Elham in East Kent, England
This page was last edited on 1 September 2024, at 05:07 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This page was last edited on 25 November 2024, at 07:51 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
For movements around the globe, like air or sea navigation, the frames are defined as tangent to the lines of geographical coordinates: East–west tangent to parallels, North–south tangent to meridians, and; Up–down in the direction normal to the oblate spheroid used as Earth's ellipsoid, which does not generally pass through the center of ...
The term 'downs' is from Old English dūn, meaning 'hill'.The word acquired the sense of 'elevated rolling grassland' around the 14th century. [7] These hills are prefixed 'south' to distinguish them from another chalk escarpment, the North Downs, which runs roughly parallel to them about 30 mi (48 km) away on the northern edge of the Weald.
Narrowing down geography to a few key ... the term place in geography includes all spatial ... using a grid system on his maps and adopting a length of 56.5 ...
A geographical mile is defined to be the length of one minute of arc along the equator (one equatorial minute of longitude) therefore a degree of longitude along the equator is exactly 60 geographical miles or 111.3 kilometers, as there are 60 minutes in a degree. The length of 1 minute of longitude along the equator is 1 geographical mile or 1 ...