File:Tufa Screen at Janet's Foss - geograph.org.uk - 503641.jpg
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Tufa_Screen_at_Janet's_Foss_-_geograph.org.uk_-_503641.jpg (640 × 480 pixels, file size: 155 KB, MIME type: image/jpeg)
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[edit]DescriptionTufa Screen at Janet's Foss - geograph.org.uk - 503641.jpg |
English: Tufa Screen at Janet's Foss Low water flow facilitated this close up of the tufa screen at Janet's Foss. The information board explains that moss growing on the rock becomes calcified with limestone (calcium carbonate) deposited from the water, then more moss grows, and so on. The tufa is extremely fragile and should not be touched. |
Date | |
Source | From geograph.org.uk |
Author | John S Turner |
Attribution (required by the license) InfoField | John S Turner / Tufa Screen at Janet's Foss / |
InfoField | John S Turner / Tufa Screen at Janet's Foss |
Camera location | 54° 03′ 56.5″ N, 2° 08′ 10″ W ![]() ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Object location | 54° 03′ 56.5″ N, 2° 08′ 10″ W ![]() ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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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 John S Turner 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: John S Turner
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:45, 5 February 2011 | ![]() | 640 × 480 (155 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Tufa Screen at Janet's Foss Low water flow facilitated this close up of the tufa screen at Janet's Foss. The information board explains that moss growing on the rock becomes calcified with limeston |
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Camera manufacturer | Canon |
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Camera model | Canon DIGITAL IXUS 500 |
Exposure time | 1/320 sec (0.003125) |
F-number | f/2.8 |
Date and time of data generation | 17:01, 1 May 2007 |
Lens focal length | 7.40625 mm |
File change date and time | 17:01, 1 May 2007 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 17:01, 1 May 2007 |
Image compression mode | 3 |
APEX shutter speed | 8.3125 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Center weighted average |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Color space | sRGB |
Focal plane X resolution | 9,159.0106007067 |
Focal plane Y resolution | 9,169.8113207547 |
Focal plane resolution unit | inches |
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 |
Scene capture type | Standard |