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Calf Top
Calf Top is a mountain in the western part of the Yorkshire Dales, England. It is located in the county of Cumbria, although Lancashire and North Yorkshire are not far away. Calf Top is a dominating profile in the view from many of the smaller hills to its west, such as Lambrigg Fell and Hutton Roof Crags. Calf Top is separated from its neighbours, Great Coum and Aye Gill Pike by the deep trench of Barbondale, meaning that although it is lower than most of the hills in its region, it has high relative height and is a Marilyn. Status as a mountain The height was formerly shown on Ordnance Survey maps as 609 metres. The closeness of this figure to the threshold of used in the United Kingdom to separate mountains and hills led to the summit being surveyed using precision GPS and levelling equipment. The height was found to be 609.58 ± 0.1 m, or fractionally below 2,000 feet. The result was discussed with the authors of the Nuttalls, Hewitts and Deweys who all agreed th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whernside
Whernside is a mountain in the Yorkshire Dales in Northern England. It is the highest of the Yorkshire Three Peaks, the other two being Ingleborough and Pen-y-ghent. It is the highest point in the ceremonial county of North YorkshireMickle Fell in southern Teesdale is the highest point within the boundaries of the historic county of Yorkshire. and the historic West Riding of Yorkshire with the summit lying on the county boundary with Cumbria. It is the fifteenth most prominent hill in England. In shape Whernside forms a long ridge, running roughly north-north-east to south-south-west. The mountain is north west of Ingleton and north of Horton-in-Ribblesdale. Name The name, first recorded in 1208 as ''Querneside'', is of Old English origin. It is derived from ''cweorn'' 'quern' or 'millstone' and ''sīde'' 'hillside', so means "hillside where millstones are found". The name is of the same origin as Great Whernside, to the east, with which it is sometimes confused. Ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Relative Height
In topography, prominence (also referred to as autonomous height, relative height, and shoulder drop in US English, and drop or relative height in British English) measures the height of a mountain or hill's summit relative to the lowest contour line encircling it but containing no higher summit within it. It is a measure of the independence of a summit. A peak's ''key col'' (the highest col surrounding the peak) is a unique point on this contour line and the ''parent peak'' is some higher mountain, selected according to various criteria. Definitions The prominence of a peak may be defined as the least drop in height necessary in order to get from the summit to any higher terrain. This can be calculated for a given peak in the following way: for every path connecting the peak to higher terrain, find the lowest point on the path; the ''key col'' (or ''key saddle'', or ''linking col'', or ''link'') is defined as the highest of these points, along all connecting paths; the prom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marilyns Of England
This is a list of Marilyn hills and mountains in the United Kingdom, Isle of Man and Ireland by height. Marilyns are defined as peaks with a prominence of or more, regardless of height or any other merit (e.g. topographic isolation, as used in Munros). Thus, Marilyns can be mountains, with a height above , or relatively small hills. there were 2,011 recorded Marilyns. Definition The Marilyn classification was created by Alan Dawson in his 1992 book ''The Relative Hills of Britain''. The name Marilyn was coined by Dawson as a punning contrast to the ''Munro'' classification of Scottish mountains above , but which has no explicit prominence threshold, being homophonous with (Marilyn) '' Monroe''. The list of Marilyns was extended to Ireland by Clem Clements. Marilyn was the first of several subsequent British Isles classifications that rely solely on prominence, including the P600s, the HuMPs, and the TuMPs. Topographic prominence is a more difficult to estimate than to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountains And Hills Of Cumbria
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least 300 metres (1,000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges. Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orthometric Height
The orthometric height is the vertical distance ''H'' along the plumb line from a point of interest to a reference surface known as the ''geoid'', the vertical datum that approximates mean sea level. Orthometric height is one of the scientific formalizations of a laypersons' "height above sea level", along with other types of heights in Geodesy. In the US, the current NAVD88 datum is tied to a defined elevation at one point rather than to any location's exact mean sea level. Orthometric heights are usually used in the US for engineering work, although dynamic height may be chosen for large-scale hydrological purposes. Heights for measured points are shown on National Geodetic Survey data sheets, data that was gathered over many decades by precise spirit leveling over thousands of miles. Alternatives to orthometric height include dynamic height and normal height, and various countries may choose to operate with those definitions instead of orthometric. They may also adopt slightl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geoid
The geoid () is the shape that the ocean surface would take under the influence of the gravity of Earth, including gravitational attraction and Earth's rotation, if other influences such as winds and tides were absent. This surface is extended through the continents (such as with very narrow hypothetical canals). According to Carl Friedrich Gauss, Gauss, who first described it, it is the "mathematical figure of the Earth", a smooth but irregular surface whose shape results from the uneven distribution of mass within and on the surface of Earth. It can be known only through extensive gravitational measurements and calculations. Despite being an important concept for almost 200 years in the history of geodesy and geophysics, it has been defined to high precision only since advances in satellite geodesy in the late 20th century. All points on a geoid surface have the same geopotential (the sum of gravitational energy, gravitational potential energy and centrifugal force, centrifug ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ordnance Datum Newlyn
Ordnance may refer to: Military and defense *Materiel in military logistics, including weapons, ammunition, vehicles, and maintenance tools and equipment. **The military branch responsible for supplying and developing these items, e.g., the United States Army Ordnance Corps *Artillery, often in a formal name, e.g., "Ordnance Survey". *Artillery shells, specifically unexploded ordnance. *Aircraft ordnance, weapons carried by and used by an aircraft. Places *Ordnance, Oregon, a former community near the Umatilla Chemical Depot *Ordnance Island, formerly a Royal Army Ordnance Corps depot, in St. George's Town, Bermuda Maps-related *Ordnance datum (from use in ballistics), a vertical datum used as the basis for deriving altitudes on maps *Ordnance Survey, the national mapping agency for Great Britain See also *Ordnance Corps (other) Ordnance Corps may refer to: *Royal Australian Army Ordnance Corps, the Corps within the Australian Army concerned with explosives and salv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Britain
Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is dominated by a maritime climate with narrow temperature differences between seasons. The 60% smaller island of Ireland is to the west—these islands, along with over 1,000 smaller surrounding islands and named substantial rocks, form the British Isles archipelago. Connected to mainland Europe until 9,000 years ago by a landbridge now known as Doggerland, Great Britain has been inhabited by modern humans for around 30,000 years. In 2011, it had a population of about , making it the world's third-most-populous island after Java in Indonesia and Honshu in Japan. The term "Great Britain" is often used to refer to England, Scotland and Wales, including their component adjoining islands. Great Britain and Northern Ireland now constitute the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hewitt (hill)
This is a list of Hewitt mountains in England, Wales and Ireland by height. Lists of mountains and hills in the British Isles#Hewitts, Hewitts are defined as "Hills in England, Wales and Ireland over two thousand" feet in height, the general requirement to be called a Lists of mountains and hills in the British Isles#Elevation, "mountain" in the British Isles, and with a prominence above ; a mix of imperial measures, imperial and metric system, metric thresholds. The Hewitt classification was suggested by Alan Dawson in his 1992 book, "The Relative Hills of Britain". Dawson originally called his Hewitts "Sweats", from "Summits - Wales and England Above Two thousand", before settling on the label Hewitt. In a series of three booklets edited by Dave Hewitt, the list of English Hewitts was published in 1997, and the list of Welsh Hewitts was also published in 1997, and the list of Irish Hewitts was published in 1998. Hewitts were designed to address one of the criticisms of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuttall (hill)
This is a list of Nuttall mountains in England and Wales by height. Nuttalls are defined as peaks above in height, the general requirement to be called a "mountain" in the British Isles, and with a prominence above ; a mix of imperial and metric thresholds. The Nuttall classification was suggested by Anne and John Nuttall in their 1990 two–volume book, "The Mountains of England and Wales". The list was updated with subsequent revised editions by the Nuttalls. Because of the prominence threshold of only , the list is subject to ongoing revisions. In response, Alan Dawson introduced the Hewitts, with a higher prominence threshold of . This was the prominence threshold that the UIAA set down in 1994 for an "independent" peak. In 2010, Dawson replaced his Hewitts with the fully "metric" Simms, consisting of a height threshold of , and a prominence threshold of . However, both the Nuttall and Hewitt classifications have become popular with peak baggers, and both remain in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and Northern Ireland. The United Kingdom includes the island of Great Britain, the north-eastern part of the island of Ireland, and many smaller islands within the British Isles. Northern Ireland shares a land border with the Republic of Ireland; otherwise, the United Kingdom is surrounded by the Atlantic Ocean, the North Sea, the English Channel, the Celtic Sea and the Irish Sea. The total area of the United Kingdom is , with an estimated 2020 population of more than 67 million people. The United Kingdom has evolved from a series of annexations, unions and separations of constituent countries over several hundred years. The Treaty of Union between the Kingdom of England (which included Wales, annexed in 1542) and the Kingdom of Scotland in 170 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hutton Roof Crags
Hutton Roof Crags is a hill in south-eastern Cumbria in north-west England, located near to the village of Hutton Roof. It has extensive areas of limestone pavement as well as grassland and woodland. The hill forms the Hutton Roof Crags Site of Special Scientific Interest and is part of the Morecambe Bay Pavements Special Area of Conservation. A significant proportion of the UK's of limestone pavement is to be found on Hutton Roof Crags and the neighbouring Farleton Knott. Although part of the hill is grass grazed by sheep, and part is forested, much remains open common land, and it is here that most of the limestone pavement is to be found. However, much has been removed over the years for many purposes including building, agricultural fertiliser, and production of millstones, but is now protected by law and it is an offence to remove any. The limestone is over thick, and was laid down during the Carboniferous period some 350 million years ago. The limestone pavements her ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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