File:Mudflow beneath Craig Pwllfa (2) - geograph.org.uk - 1405857.jpg
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[edit]DescriptionMudflow beneath Craig Pwllfa (2) - geograph.org.uk - 1405857.jpg |
English: Mudflow beneath Craig Pwllfa (2) A view from the source area of the recent flow looking down into the glacially excavated bowl of Cwm Pwllfa and showing the run out of the dislodged material. It amounts to perhaps 10 to 20 cubic metres of red soil, clay and boulders originally present as a shallow spur in a gullied zone beneath the main rock band. The gullying in this area suggests that this is just the latest of many many such flows which have taken place over millennia. A number of epsisodes of very heavy rain have perhaps contributed to renewed flow activity within the Brecon Beacons in the last couple of years. |
Date | |
Source | From geograph.org.uk |
Author | Alan Bowring |
Attribution (required by the license) InfoField | Alan Bowring / Mudflow beneath Craig Pwllfa (2) / |
InfoField | Alan Bowring / Mudflow beneath Craig Pwllfa (2) |
Camera location | 51° 52′ 29″ N, 3° 21′ 24″ W | View this and other nearby images on: OpenStreetMap | 51.874650; -3.356600 |
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Object location | 51° 52′ 30″ N, 3° 21′ 22″ W | View this and other nearby images on: OpenStreetMap | 51.875110; -3.356000 |
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Licensing
[edit]This 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 Alan Bowring and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Alan Bowring
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:56, 1 March 2011 | 480 × 640 (99 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Mudflow beneath Craig Pwllfa (2) A view from the source area of the recent flow looking down into the glacially excavated bowl of Cwm Pwllfa and showing the run out of the dislodged material. It amo |
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Camera manufacturer | PENTAX Corporation |
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Camera model | PENTAX Optio W10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/3.3 |
ISO speed rating | 64 |
Date and time of data generation | 15:56, 18 July 2009 |
Lens focal length | 6.3 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Optio W10 Ver 1.00 |
File change date and time | 15:56, 18 July 2009 |
Y and C positioning | Co-sited |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 38 mm |
Scene capture type | Landscape |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Close view |
Exif version | 2.2 |
Date and time of digitizing | 15:56, 18 July 2009 |
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |