| Alps | |
| Range | |
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| Countries | Austria, France, Germany, Switzerland, Italy, Slovenia, Liechtenstein |
|---|---|
| Highest point | Mont Blanc (Italian: Monte Bianco) |
| - elevation | 4,808 m (15,774 ft) |
| - coordinates | |
 Relief of the Alps
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The Alps (French: Alpes; German: Alpen; Italian: Alpi; Romansh: Alps; Slovene: Alpe) is the name for one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east, through Italy, Switzerland, Liechtenstein and Germany to France in the west. The word "Alps" was taken via French from Latin Alpes (meaning "the Alps"), which may be influenced by the Latin words albus (white) or altus (high) or more likely a Latin rendering of a Celtic or Ligurian original.
The highest mountain in the Alps is Mont Blanc, at 4,808 metres (15,774 ft), on the Italian-French border. All the main peaks of the Alps can be found in the list of mountains of the Alps and list of Alpine peaks by prominence.
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Geography
Subdivision
The Alps are generally divided into the Western Alps and the Eastern Alps. The division is along the line between Lake Constance and Lake Como, following the Rhine. The Western Alps are higher, but their central chain is shorter and curved; they are located in Italy, France and Switzerland. The Eastern Alps (main ridge system elongated and broad) belong to Austria, Germany, Italy, Liechtenstein, Slovenia and Switzerland.
The highest peak of the Western Alps is Mont Blanc, at 4,808 metres (15,774 ft). The highest peak of the Eastern Alps is Piz Bernina, at 4,049 metres (13,284 ft). The Dufourspitze, 4,634 metres (15,203 ft) and Ortler[1], 3,905 metres (12,812 ft), are respectively the second.
The Eastern Alps are commonly subdivided according to the different lithology (rock composition) of the more central parts of the Alps and the groups at its northern and southern fringes:
- Northern Limestone Alps (from the Wienerwald to Bregenzerwald),including the Flyschzone. peaks up to 3,000 metres (9,840 ft)
- Central Eastern Alps (Austria, Switzerland), peaks up to 4,050 metres (13,290 ft)
- Southern Limestone Alps.
The border between the Central Alps and the Southern Limestone Alps is the Periadriatic Seam. The Northern Limestone Alps are separated from the Central Eastern Alps by the Grauwacken Zone
The Western Alps are commonly subdivided with respect to geography:
- Ligurian Alps
- Maritime Alps
- Cottian Alps
- Dauphiné Alps
- Graian Alps
- Chablais Alps
- Pennine Alps
- Bernese Alps
- Lepontine Alps
- Glarus Alps
- Appenzell Alps.
Series of lower mountain ranges run parallel to the main chain of the Alps, including the French Prealps. (See Alpine geography.)
The geologic subdivision is different and makes no difference between the Western and Eastern Alps: Helveticum in the north, Penninicum and Austroalpine system in the centre and south of the Periadriatic seam the Southern Alpine system and parts of the Dinarides (see Alpine Geology). Geographically, the Jura mountains do not belong to the Alps; geologically, however, they do.
Main chain
The main chain of the Alps follows the watershed from the Mediterranean Sea to the Wienerwald, passing over many of the highest and most famous peaks in the Alps. From the Colle di Cadibona to Col de Tende it runs westwards, before turning to the north-west and then, near the Colle della Maddalena, to the north. Upon reaching the Swiss border, the line of the main chain heads approximately east-north-east, a heading it follows until its end near Vienna.
Principal passes
The Alps do not form an impassable barrier; they have been traversed for war and commerce, and later by pilgrims, students and tourists. Crossing places by road, train or foot are called passes. These are depressions in the mountains to which a valley leads from the plains and hilly pre-mountainous zones.
Four-thousanders
- See also: List of Alpine Four-thousanders
The Union Internationale des Associations d'Alpinisme (UIAA) has defined a list of 82 "official" Alpine 4,000 metres (13,123 ft) summits. The list contains in fact many subpeaks with little prominence, but important for mountaineering. Here are the twelve four-thousanders with at least 1 km prominence.
| Name | Height (metres, feet) | Range |
|---|---|---|
| Mont Blanc | 4,810 m (15,781 ft) | Graian Alps |
| Dufourspitze | 4,634 m (15,203 ft) | Pennine Alps |
| Dom | 4,545 m (14,911 ft) | Pennine Alps |
| Weisshorn | 4,505 m (14,780 ft) | Pennine Alps |
| Matterhorn | 4,478 m (14,692 ft) | Pennine Alps |
| Grand Combin | 4,314 m (14,154 ft) | Pennine Alps |
| Finsteraarhorn | 4,273 m (14,019 ft) | Bernese Alps |
| Aletschhorn | 4,192 m (13,753 ft) | Bernese Alps |
| Barre des Écrins | 4,102 m (13,458 ft) | Dauphiné Alps |
| Gran Paradiso | 4,061 m (13,323 ft) | Graian Alps |
| Piz Bernina | 4,049 m (13,284 ft) | Bernina Range |
| Weissmies | 4,023 m (13,199 ft) | Pennine Alps |
The first person to climb all the major four-thousanders was Karl Blodig around 1900.
Climate
The Alps are a classic example of what happens when a temperate area at lower altitude gives way to higher elevation terrain. Elevations around the world which have cold climates similar to those found in polar areas have been called alpine. A rise from sea level into the upper regions of the atmosphere causes the temperature to decrease. The effect of mountain chains on prevailing winds is to carry warm air belonging to the lower region into an upper zone, where it expands in volume at the cost of a proportionate loss of heat, often accompanied by the precipitation of moisture in the form of snow or rain.
Political and cultural history
Little is known of the early dwellers in the Alps, save from the scanty accounts preserved by Roman and Greek historians and geographers. A few details have come down to us of the conquest of many of the Alpine tribes by Augustus. Also, recent research into Mitochondrial DNA indicates that MtDNA Haplogroup K very likely originated in or near the southeastern Alps approximately 12-15,000 years ago.
During the Second Punic War in 218 BC, The Carthaginian general Hannibal successfully crossed the alps along with an army numbering 38,000 infantry, 8,000 cavalry, and 37 war elephants.[2] This was one of the most celebrated achievements of any military force in ancient warfare[citation needed].
Much of the Alpine region was gradually settled by Germanic tribes (Langobards, Alemanni, Bavarii) from the 6th to the 13th centuries, the latest expansion corresponding to the Walser migrations.
It is not until the final breakup of the Carolingian Empire in the 10th and 11th centuries that it becomes possible to trace out the local history of the Alps.
Exploration
The higher regions of the Alps were long left to the exclusive attention of the people of the adjoining valleys, even when Alpine travellers (as distinguished from Alpine climbers) began to visit these valleys. The two men who first explored the regions of ice and snow were H.B. de Saussure (1740-1799) in the Pennine Alps, and the Benedictine monk of Disentis, Placidus a Spescha (1752-1833), most of whose ascents were made before 1806, in the valleys at the sources of the Rhine.
Travel and tourism
The Alps are popular both in summer and in winter as a destination for sightseeing and sports. Winter sports (alpine and Nordic skiing, tobogganing, snowshoeing, ski tours) can be practised in most regions from December to April. In summer the Alps are popular with hikers, mountain bikers, paragliders, mountaineers, while many alpine lakes attract swimmers, sailors and surfers. The lower regions and larger towns of the Alps are well served by motorways and main roads, but higher passes and by-roads can be treacherous even in summer. Many passes are closed in winter. A multitude of airports around the Alps (and some within), as well as long-distance rail links from all neighbouring countries, afford large numbers of travellers easy access from abroad. The Alps typically sees more than 100 million visitors a year.
Flora
A natural vegetation limit with altitude is given by the presence of the chief deciduous trees—oak, beech, ash and sycamore maple. These do not reach exactly to the same elevation, nor are they often found growing together; but their upper limit corresponds accurately enough to the change from a temperate to a colder climate that is further proved by a change in the wild herbaceous vegetation. This limit usually lies about 1,200 metres (3,940 ft) above the sea on the north side of the Alps, but on the southern slopes it often rises to 1,500 metres (4,920 ft), sometimes even to 1,700 metres (5,580 ft).
This region is not always marked by the presence of the characteristic trees. Human interference has nearly exterminated them in many areas, and, except for the beech forests of the Austrian Alps, forests of deciduous trees are rarely found. In many districts where such woods once existed, they have been replaced by the Scots pine and Norway spruce, which are less sensitive to the ravages of goats who are the worst enemies of such trees.
Above the forestry, there is often a band of short pine trees (Pinus mugo), which is in turn superseded by dwarf shrubs, typically Rhododendron ferrugineum (on acid soils) or Rhododendron hirsutum (on alkaline soils). Above this is the alpine meadow, and even higher, the vegetation becomes more and more sparse. At these higher altitudes, the plants tend to form isolated cushions. In the Alps, several species of flowering plants have been recorded above 4,000 metres (13,120 ft), including Ranunculus glacialis, Androsace alpina and Saxifraga biflora.
_Pinus_mugo_mugo.jpg) mountain pine |
 rusty-leaved Alpenrose |
 Edelweiss |
 stemless gentian |
 Alpine dwarf orchid |
 Alpine pasque-flower |
 Alpine rock-jasmine (Androsace alpina) |
 glacier buttercup |
Fauna
Species common to the Alps. These are most numerous in the 15% of the Alps that are protected in parks and reserves.[citation needed]
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See also
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External links
- Satellite photo of the Alps, taken on 31 August 2005 by MODIS aboard Terra
- (Italian) Images from the Alps Many images from Alps, landscape, flowers and wildlife.
- 360° Panoramic Views in Alps
- A virtual visit of Western Alps with 360° panoramic images
- A online picture collection of the Alps More than 2000 pictures of climbing, backcountry skiing, hiking, landscape
- Photos - Italian Alps - Santa Catarina
- (English) Photos of alpin swiss landscapes and wildlife (Valais)
- Discover wildlife of the Alps with 60 representative photos
References
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