File:Loch Mhor no more - geograph.org.uk - 193094.jpg
Loch_Mhor_no_more_-_geograph.org.uk_-_193094.jpg (640 × 424 pixels, file size: 57 KB, MIME type: image/jpeg)
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Summary
editDescriptionLoch Mhor no more - geograph.org.uk - 193094.jpg |
English: Loch Mhor no more. Loch Farraline and Loch Garth were two separate lochs in Strath Errick until 1896 when the British Aluminium Co raised the level of the larger Loch Garth just sufficiently to merge the two lochs into one much larger loch which they rather imaginatively named Loch Mhor.
BACo used a series of tunnels and pipes to bring the water down to Foyers on Loch Ness. This gave them a workable head of water of around 180mts, enough to run a conventional hydro electric scheme. The electricity generated was used to power the smelter and was the first large scale use of Hydro electric in Britain. The smelter at Foyers closed in the late 1960s and the North of Scotland Hydro Electric Board took over the scheme. They uprated it to a Pumped Storage Scheme to produce power for the National Grid. They also increased the water catchment area by diverting another river, the Fechlin, into the loch. Although Foyers can be run as a conventional hydro power station its real value is as an emergency boost to the national grid during peak demand times. It is also an emergency standby which can be used to provide power for a short time if a major power station goes off line without warning. Like Cruachan and Dinorwig the power station at Foyers can go from zero to full power in less than 120 seconds. The water released can then be pumped back up during the night when demand for electricity is low or the loch can just be allowed to refill naturally, probably a bit of both. When the water is released then briefly Loch Mhor once more becomes two lochs again and this area that was once grazing land between the two lochs becomes exposed mudflats with a river flowing through. |
Date | |
Source | From geograph.org.uk |
Author | Jim Bain |
Attribution (required by the license) InfoField | Jim Bain / Loch Mhor no more / |
InfoField | Jim Bain / Loch Mhor no more |
Camera location | 57° 15′ 06″ N, 4° 24′ 40″ W | View this and other nearby images on: OpenStreetMap | 57.251600; -4.411000 |
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Object location | 57° 15′ 22″ N, 4° 24′ 22″ W | View this and other nearby images on: OpenStreetMap | 57.256100; -4.406000 |
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Licensing
editThis image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Jim Bain and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:16, 31 January 2010 | 640 × 424 (57 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Loch Mhor no more. Loch Farraline and Loch Garth were two separate lochs in Strath Errick until 1896 when the British Aluminium Co raised the level of the larger Loch Garth just sufficiently to merg |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D50 |
Exposure time | 1/200 sec (0.005) |
F-number | f/10 |
Date and time of data generation | 15:55, 25 June 2006 |
Lens focal length | 18 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.00 |
File change date and time | 15:55, 25 June 2006 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 15:55, 25 June 2006 |
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3.6 APEX (f/3.48) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Landscape |
Contrast | Normal |
Saturation | Normal |
Sharpness | Hard |
Subject distance range | Unknown |