This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.
You can find the current article at its original source at http://www.bbc.co.uk/news/24074367
The article has changed 6 times. There is an RSS feed of changes available.
| Version 1 | Version 2 |
|---|---|
| Mount McKinley 83ft shorter than previously thought | Mount McKinley 83ft shorter than previously thought |
| (34 minutes later) | |
| The highest peak in North America has shrunk in stature, according to new data released by US geographers. | The highest peak in North America has shrunk in stature, according to new data released by US geographers. |
| Mount McKinley, located in the US state of Alaska, measured 83ft (25.29m) shorter than previously understood. | Mount McKinley, located in the US state of Alaska, measured 83ft (25.29m) shorter than previously understood. |
| The mountain now measures at 20,237ft. It was was last officially measured in 1952, researchers said. | The mountain now measures at 20,237ft. It was was last officially measured in 1952, researchers said. |
| The US Geological Survey speculated the reduced height could be the result of more accurate measurement technology, or "climate differences". | The US Geological Survey speculated the reduced height could be the result of more accurate measurement technology, or "climate differences". |
| The US Geological Survey released the data as part of the agency's effort to update all of Alaska's topographic maps. | The US Geological Survey released the data as part of the agency's effort to update all of Alaska's topographic maps. |
| The new measurement was taken in 2012 using Interferometric Synthetic Aperture Radar, a technology designed to digitally track small geographic forms. | The new measurement was taken in 2012 using Interferometric Synthetic Aperture Radar, a technology designed to digitally track small geographic forms. |
| The 1952 measurement put the peak at 20,320ft, a figure that has remained on topographic maps since. | The 1952 measurement put the peak at 20,320ft, a figure that has remained on topographic maps since. |
| Mount McKinley, a popular mountaineering destination also known as Denali, is located in Denali National Park in the US state of Alaska. |