File:Moon jellyfishes disturbing the top water layer of Gullmarn fjord 1.jpg
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![File:Moon jellyfishes disturbing the top water layer of Gullmarn fjord 1.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Moon_jellyfishes_disturbing_the_top_water_layer_of_Gullmarn_fjord_1.jpg/800px-Moon_jellyfishes_disturbing_the_top_water_layer_of_Gullmarn_fjord_1.jpg)
Size of this preview: 800 × 599 pixels. Other resolutions: 320 × 240 pixels | 640 × 479 pixels | 1,024 × 767 pixels | 1,280 × 959 pixels | 2,560 × 1,917 pixels | 4,384 × 3,283 pixels.
Original file (4,384 × 3,283 pixels, file size: 5.89 MB, MIME type: image/jpeg)
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Summary
DescriptionMoon jellyfishes disturbing the top water layer of Gullmarn fjord 1.jpg |
English: Moon jellyfishes (Aurelia aurita) disturbing the top water layer of Gullmarn fjord at Sämstad, Lysekil Municipality, Sweden. The photo was taken on a calm, sunny morning after a rain, so it's likely that the layer is warmer water with some freshwater added. In this case that would make a thermocline coincide with a halocline and resulting in a very thin but visible pycnocline. This difference in density and the altered refractive index is what makes the water look "oily". The jellies are quite small and young, about 5–6 cm (2.0–2.4 in) in diameter, and since they are just below the surface and stirring up the pycnocline beneath them, that would make the layer of warmer freshwater on the fjord about 6–8 cm (2.4–3.1 in) thick at the time. |
Date | |
Source | Own work |
Author | W.carter |
Camera location | 58° 25′ 23.36″ N, 11° 34′ 57.44″ E ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Some debris in the water, mostly flies, seeds and plant parts, have been removed.
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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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 |
Captions
Moon jellyfishes (Aurelia aurita) disturbing the top water layer of Gullmarn fjord at Sämstad, Lysekil Municipality, Sweden.
Items portrayed in this file
depicts
58°25'23.362"N, 11°34'57.443"E
2 May 2020
0.01 second
109.3 millimetre
125
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:13, 14 July 2020 | ![]() | 4,384 × 3,283 (5.89 MB) | commons>W.carter | Uploaded own work with UploadWizard |
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Metadata
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Camera manufacturer | Panasonic |
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Camera model | DMC-FZ1000 |
Exposure time | 1/100 sec (0.01) |
F Number | f/4 |
ISO speed rating | 125 |
Date and time of data generation | 08:16, 2 May 2020 |
Lens focal length | 109.3 mm |
Width | 5,472 px |
Height | 3,648 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop 21.2 (Windows) |
File change date and time | 13:43, 14 July 2020 |
Exposure Program | Aperture priority |
Exif version | 2.31 |
Date and time of digitizing | 08:16, 2 May 2020 |
APEX shutter speed | 6.643856 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 679 |
DateTimeDigitized subseconds | 679 |
Color space | sRGB |
Focal plane X resolution | 4,145.4545593262 |
Focal plane Y resolution | 4,145.4545593262 |
Focal plane resolution unit | 3 |
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 | 300 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Serial number of camera | F961511170128 |
Date metadata was last modified | 15:43, 14 July 2020 |
Unique ID of original document | 21F804EFD27AD77BEE63C0E09B6C481F |
IIM version | 4 |