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![File:Cross section of a Sequoia sempervirens showing its tree rings.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cross_section_of_a_Sequoia_sempervirens_showing_its_tree_rings.jpg/553px-Cross_section_of_a_Sequoia_sempervirens_showing_its_tree_rings.jpg)
Size of this preview: 553 × 600 pixels. Other resolutions: 221 × 240 pixels | 443 × 480 pixels | 708 × 768 pixels | 944 × 1,024 pixels | 1,889 × 2,048 pixels | 3,024 × 3,279 pixels.
Original file (3,024 × 3,279 pixels, file size: 1.73 MB, MIME type: image/jpeg)
Summary
DescriptionCross section of a Sequoia sempervirens showing its tree rings.jpg |
English: Cross section of a Sequoia sempervirens (California Redwood) showing its tree rings. It lived for more than 800 years. |
Date | |
Source | Own work |
Author | Elwood P. Dowd |
Camera location | 37° 46′ 10.46″ N, 122° 27′ 59.24″ W ![]() ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
![w:en:Creative Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png)
![attribution](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
![share alike](https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Cc-sa_white.svg/24px-Cc-sa_white.svg.png)
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Captions
Cross section of a Sequoia sempervirens showing 800 years of tree rings
Items portrayed in this file
depicts
creator
some value
author name string: Elwood P. Dowd
Wikimedia username: Elwood P. Dowd
copyright status
copyrighted
copyright license
Creative Commons Attribution-ShareAlike 4.0 International
source of file
original creation by uploader
inception
16 August 2023
coordinates of the point of view
37°46'10.459"N, 122°27'59.242"W
heading: 124.0 degree
exposure time
0.008338 second
f-number
1.73
focal length
4.38 millimetre
ISO speed
28
media type
image/jpeg
instance of
photograph
checksum
f6a4559303e4ac746beeb5a1ee5e250bbfe5f680
determination method: SHA-1
data size
1,815,907 byte
height
3,279 pixel
width
3,024 pixel
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:33, 21 August 2023 | ![]() | 3,024 × 3,279 (1.73 MB) | Elwood P. Dowd | Uploaded own work with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | |
---|---|
Camera model | Pixel 6a |
Exposure time | 4,169/500,000 sec (0.008338) |
F-number | f/1.73 |
ISO speed rating | 28 |
Date and time of data generation | 15:11, 16 August 2023 |
Lens focal length | 4.38 mm |
Latitude | 37° 46′ 10.46″ N |
Longitude | 122° 27′ 59.24″ W |
Altitude | 46.5 meters above sea level |
Width | 3,024 px |
Height | 4,032 px |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | HDR+ 1.0.540104767zd |
File change date and time | 15:11, 16 August 2023 |
Subsampling ratio of Y to C |
|
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.32 |
Date and time of digitizing | 15:11, 16 August 2023 |
Meaning of each component |
|
Shutter speed | 6.91 |
APEX aperture | 1.58 |
APEX brightness | 5.32 |
Exposure bias | 0 |
Maximum land aperture | 1.58 APEX (f/1.73) |
Subject distance | 1.214 meters |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 371 |
DateTimeOriginal subseconds | 371 |
DateTimeDigitized subseconds | 371 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Close view |
Unique image ID | 0019d762f8addc9b0000000000000000 |
GPS time (atomic clock) | 22:11 |
Reference for direction of image | Magnetic direction |
Direction of image | 124 |
GPS date | 16 August 2023 |
GPS tag version | 0.0.2.2 |
Categories
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Annuals36
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Bulbs, Corms & Tubers41
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Ferns27
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Fruits3
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Garden Plants23
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Grasses26
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Herb17
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Insects1
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Mammals1
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Midwest Native Plants0
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Northeast Native Plants112
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Perennials123
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Rose1
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Shrubs47
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Trees112
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Tropical Plants53
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Upland Birds5
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Vines18
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Viola Tricolor1
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Water Gardening & Plants9
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Waterfowl0
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Wetland Birds0
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Wetland Plants4
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Wildbirds172
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Wildflowers1
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Woodland Plants29
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