File:Kelvinsche Schiffswelle (Wattenmeer).jpg
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[edit]DescriptionKelvinsche Schiffswelle (Wattenmeer).jpg |
Deutsch: Als Kelvinsche Schiffswellen bezeichnet man das V-förmige Wellenmuster, das fahrende Schiffe typischerweise hinter sich her ziehen. Das Bild hier entstand bei einer Fahrt von Wangerooge nach Harlesiel, von Bord des Schiffes aus gemacht. Man blickt nahe an der Küste (nahe am Hafen) Richtung Osten über das flache Watt. Klassischerweise ist die Wellenfront geradlinig. Die gebogene Form hier im Bild kommt wahrscheinlich durch die unterschiedlichen Wassertiefen nahe dem Ufer zustande. Je flacher das Wasser, desto langsamer die Welle. Der physikalische Effekt dahinter ist die Beugung. Das Phänomen aus etwas mehr Nähe zeigt ein anderes Bild. |
Date | |
Source | Own work |
Author | Rhetos |
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[edit]I, the copyright holder of this work, hereby publish it under the following license:
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:28, 6 August 2023 | 4,000 × 2,248 (3.55 MB) | Rhetos (talk | contribs) | Uploaded own work with UploadWizard |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Panasonic |
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Camera model | DMC-TZ71 |
Author | |
Exposure time | 1/1,600 sec (0.000625) |
F-number | f/3.9 |
ISO speed rating | 80 |
Date and time of data generation | 12:44, 20 July 2023 |
Lens focal length | 7.8 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Ver.1.0 |
File change date and time | 12:44, 20 July 2023 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 12:44, 20 July 2023 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3.9296875 APEX (f/3.9) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 47 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
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20 July 2023
0.000625 second
3.9
7.8 millimetre
image/jpeg
3,727,360 byte
2,248 pixel
4,000 pixel
e24241f37c67f252d5ad83d0ca3b3c9254bee4c1
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