File:Mammothterracetrees.jpg

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Camera location44° 58′ 22″ N, 110° 42′ 17″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
Description
English: Dead trees in the terraces of Mammoth Hot Springs, Yellowstone National Park, Wyoming, US. These trees grew during inactivity of the mineral-rich springs, and were killed when calcium carbonate carried by spring water clogged the vascular systems of the trees. The same process also effectively preserves the trees by preventing decay. (A 2×1 panorama).
Français : Arbres morts sur les terrasses de Mammoth Hot Springs, dans le parc national de Yellowstone, dans le Wyoming (États-Unis). Ces arbres ont poussé avant que la source ne les atteigne, puis ont été tués quand la calcite transportée par l'eau a obstrué leurs vaisseaux. Ce même processus préserve le bois du pourrissement. Panorama issu de 2 clichés.
Date
Source Own work
Author Thegreenj


Photo by Thegreenj

Camera: Canon Digital Rebel XT (350D)
Lens: Canon EF 50mm f/2.5 Compact Macro
Focal length: 50mm (80mm in 35mm equivalent)
Aperture: f/ 8
Exposure time: 1/500 s.
ISO: 100
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Captions

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inception

3 June 2008

coordinates of the point of view

44°58'22.001"N, 110°42'16.999"W

exposure time

0.002 second

focal length

50 millimetre

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current06:09, 10 June 2008Thumbnail for version as of 06:09, 10 June 20081,600 × 1,655 (1.27 MB)CarolSpearsEXIF

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Metadata

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Camera manufacturer Canon
Camera model Canon EOS DIGITAL REBEL XT
Exposure time 1/500 sec (0.002)
F Number f/8
ISO speed rating 100
Date and time of data generation 08:54, 3 June 2008
Lens focal length 50 mm
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used GIMP 2.5.0
File change date and time 11:09, 9 June 2008
Y and C positioning Centered
Exposure Program Manual
Exif version 2.21
Date and time of digitizing 08:54, 3 June 2008
Meaning of each component
  1. Y
  2. Cb
  3. Cr
  4. does not exist
APEX shutter speed 8.9657897949219
APEX aperture 6
APEX exposure bias 0
Flash Flash did not fire, compulsory flash suppression
Supported Flashpix version 0,100
Color space sRGB
Focal plane X resolution 3,954.233409611
Focal plane Y resolution 3,958.7628865979
Focal plane resolution unit inches
Custom image processing Normal process
Exposure mode Manual exposure
White balance Auto white balance
Scene capture type Standard