File:Cerrigypenrhyn and the Dyfi Estuary - geograph.org.uk - 907239.jpg
Cerrigypenrhyn_and_the_Dyfi_Estuary_-_geograph.org.uk_-_907239.jpg (640 × 480 pixels, file size: 208 KB, MIME type: image/jpeg)
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DescriptionCerrigypenrhyn and the Dyfi Estuary - geograph.org.uk - 907239.jpg |
English: Cerrigypenrhyn and the Dyfi Estuary The spit at Ynyslas, north of Borth, forms part of the Dyfi National Nature Reserve. It is a good example of a sand spit built upon a gravel base, but it is also important because it is possible to show that a similar feature has been in existence here since about 6500 BP (Before Present). The southern part of the spit is dominated by a shingle ridge upon which there has been some accumulation of sand. The central part of the spit is dominated by vegetated dunes, whereas the northern end forms a low sandy flat upon which there are some small vegetated dunes. The behaviour of the spit seems to be related not only to the general tendency in Cardigan Bay for sediment to move northwards, but also to the patterns of water movement within the lower Dyfi estuary. http://www.jncc.gov.uk/pdf/gcrdb/GCRsiteaccount1887.pdf |
Date | |
Source | From geograph.org.uk |
Author | OLU |
Camera location | 52° 31′ 47″ N, 4° 03′ 06″ W | View this and other nearby images on: OpenStreetMap | 52.529800; -4.051600 |
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Object location | 52° 31′ 51″ N, 4° 03′ 04″ W | View this and other nearby images on: OpenStreetMap | 52.530700; -4.051200 |
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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 OLU 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: OLU
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:04, 21 February 2011 | 640 × 480 (208 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Cerrigypenrhyn and the Dyfi Estuary The spit at Ynyslas, north of Borth, forms part of the Dyfi National Nature Reserve. It is a good example of a sand spit built upon a gravel base, but it is also |
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Camera manufacturer | SONY |
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Camera model | DSC-H1 |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/4 |
ISO speed rating | 64 |
Date and time of data generation | 17:34, 2 August 2008 |
Lens focal length | 17 mm |
Orientation | 0 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Picasa 3.0 |
File change date and time | 17:34, 2 August 2008 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 17:34, 2 August 2008 |
Image compression mode | 8 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Color space | Uncalibrated |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique image ID | 70860885537019c7c8c0daeba41f9a80 |