File:Iceberg A-68(a) MOD 45167693.jpg
Original file (3,600 × 1,757 pixels, file size: 1.25 MB, MIME type: image/jpeg)
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Summary
DescriptionIceberg A-68(a) MOD 45167693.jpg |
English: Pictured is A-68(a) one of the largest ever recorded icebergs floating near the island of South Georgia, South Atlantic.
Iceberg A-68(a) is the largest section of A68 an iceberg which calved from the Larsen C Ice Shelf on the Antarctic Peninsula in July 2017. Unlike other large icebergs, A68a is considered unusually ‘thin’, with its submerged depth presumed to be no more than 200 metres. This means it has the potential to drift near South Georgia’s coast prior to any grounding. It has already entered the 1.24million km2 Marine Protected Area which surrounds South Georgia and the South Sandwich Islands, sparking concerns regarding the threat it could pose to the wildlife. Ice debris has already started to break away, caused by A68a drifting through warmer waters near the South Orkney islands. To aide with the collation of information, an RAF ATLAS based at RAF Mount Pleasant is to provide reconnaissance of the iceberg, providing a closer look at a level not always achievable through satellite imagery. The sorties aim to gather data in the form of imagery stills, video footage and observations from the crew, focussing on any obvious large fissures or potential fault lines along the edge and middle of the iceberg.
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Date | |
Source | |
Author | Cpl Phil Dye RAF |
Permission (Reusing this file) |
Images are downloadable at high resolution, made available at http://www.defenceimagery.mod.uk for reuse under the OGL (Open Government License). |
Licensing
This file is licensed under the Open Government Licence version 1.0 (OGL v1.0).
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Attribution:Photo: Cpl Phil Dye RAF/MOD | |
You are free to:
See the Open Government Licence page on Meta-Wiki for more information. http://NationalArchives.gov.uk/doc/open-government-licence/version/1/ OGL v1.0 Open Government License version 1.0 true truehttp://NationalArchives.gov.uk/doc/open-government-licence/version/1/ OGL v1.0 Open Government License version 1.0 true true |
Items portrayed in this file
depicts
18 November 2020
0.0003125 second
7.1
190 millimetre
400
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:30, 17 March 2021 | 3,600 × 1,757 (1.25 MB) | Fæ | MOD Cpl Phil Dye RAF / http://www.defenceimagery.mod.uk/fotoweb/fwbin/download.dll/45153802.jpg |
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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 | Canon |
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Camera model | Canon EOS 5D Mark IV |
Author | Cpl Phil Dye RAF |
Exposure time | 1/3,200 sec (0.0003125) |
F-number | f/7.1 |
ISO speed rating | 400 |
Date and time of data generation | 13:21, 18 November 2020 |
Lens focal length | 190 mm |
Short title |
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Copyright holder |
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Image title |
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Headline | Iceberg A-68(a) |
Credit/Provider | UK Ministry of Defence 2021 |
Source | RAF |
Usage terms |
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City shown | South Atlantic |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Camera Raw 10.4 (Macintosh) |
File change date and time | 12:36, 20 November 2020 |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 08:42, 28 October 2020 |
Shutter speed | 11.643856 |
APEX aperture | 5.655638 |
Exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeDigitized subseconds | 33 |
Color space | sRGB |
Focal plane X resolution | 1,866.6666564941 |
Focal plane Y resolution | 1,866.6666564941 |
Focal plane resolution unit | 3 |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Image width | 3,600 px |
Image height | 1,757 px |
Serial number of camera | 173056003203 |
Date metadata was last modified | 22:30, 17 March 2021 |
Rating (out of 5) | 1 |
Keywords |
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Category | MOD |
Writer | Harland Quarrington |
Contact information |
http://www.defenceimagery.mod.uk/fotoweb/ContactUs.fwx Photographic Section Mount Pleasant Complex, , BFPO 655 Falkland Islands |
Copyright status | Copyrighted |
Province or state shown | South Atlantic |
Country shown | South Atlantic |
Code for country shown | UK |
Sublocation of city shown | Royal Air Force |
IIM version | 2 |
Fixture name | Free |