Wednesday, January 25, 2017

On its 250th anniversary, the Survey of India (SOI) to measure the height of Mount Everest


To celebrate its 250th anniversary, the Survey of India (SOI) olans to measure the height of Mount Everest. The SOI is an organization that was established in 1767 to map the subcontinent for the East India Company and it continues to remain India's principal mapping agency.
After the Nepal earthquake of 2015, there have been a speculation that the natural disaster may have moved the peak.
This has been reported in telegraphindia.com dated 25 January 2017.
The Survey of India (SOI) will make use of modern satellite-linked instruments and traditional trigonometry to determine the peak's altitude. This is currently documented through multiple surveys at 8,848 metres (29,029 feet) above sea level.
The new Everest-measurement exercise will depend on two techniques - (i) some scientists will climb the peak and use global positioning system (GPS) instruments to measure its altitude (ii) others will use high-school trigonometry techniques to measure the altitude from surrounding locations in the Himalayas.
Mount Everest was first granted the title of the world's highest peak in 1856 after nearly two years of observations by SOI scientists and others. Subsequently, many other agencies have measured the height of the mountain's peak and the value has remained constant.


Image courtesy wikimediacommons.org

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