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Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.
There are 14 mountains over 8,000 metres (26,247 ft), which are often referred to as the Eight-thousanders. (Some people have claimed there are six more 8,000m peaks in Nepal, making for a total of 20. [1])
Countries and territories shaded by average elevation. Country. Elevation. Afghanistan. 1,884 m (6,181 ft) [ 2 ] Albania. 708 m (2,323 ft) [ 3 ] Algeria. 800 m (2,625 ft)
Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320". In metre altitudes the format is Flight Level xx000 metres. Flight levels are usually designated in writing as FLxxx , where xxx is a two- or three-digit number indicating the pressure altitude in units of 100 feet (30 m).
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres (100m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
The closest sea to Mount Everest's summit is the Bay of Bengal, almost 700 km (430 mi) away. So to approximate a climb of the entire height of Mount Everest, one would need to start from this coastline, a feat accomplished by Tim Macartney-Snape's team in 1990. Climbers usually begin their ascent from base camps above 5,000 m (16,404 ft).
The valley of the Bukhtarma, which has a length of 320 km (200 mi), also has its origin at the foot of the Belukha and the Kuitun peaks, and as it falls some 1,500 m (4,900 ft) in about 3,000 km (1,900 mi), from an alpine plateau at an elevation of 1,900 m (6,200 ft) to the Bukhtarma fortress (345 m (1,132 ft)), it offers the most striking ...
Makrynoros ( Greek: Μακρυνόρος) is a forested mountain range dominating the northern part of Aetolia-Acarnania in western Greece. Its highest elevation is about 900 m. Its length is approximately 25 to 30 km from north to south and its width is approximately 10 km from east to west. It lies to the east of the Ambracian Gulf, east of ...