File:Grand bras fleuve Sénégal en crue arrière-plan Île de Saint Louis- Quartier Nord.jpg
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DescriptionGrand bras fleuve Sénégal en crue arrière-plan Île de Saint Louis- Quartier Nord.jpg |
Français : La Langue de Barbarie est une mince flèche de sable de quelques centaines de mètres de large qui a la vocation de protéger la cité de l’assaut des vagues. Malheureusement elle empêche une évacuation rapide des eaux du fleuve lors des crues. De ce fait, la cité était soumise à des inondations fluviales récurrentes en fin de saison des pluies. L’ouverture artificielle d’une brèche, 7 kilomètres au sud de la ville, suite à la crue d’octobre 2003, a radicalement changé l’inondabilité de la cité.
English: The Langue de Barbarie is a thin sand spit a few hundred meters wide which is designed to protect the city from the onslaught of wave. Unfortunately it prevents a rapid evacuation of water from the river during floods. As a result, the city was subject to recurrent river flooding at the end of the rainy season. The artificial opening of a breach, 7 kilometers south of the city, following the October 2003 flood, radically changed the city’s flooding. |
Date | |
Source | Own work |
Author | NGALANDOUSSAN |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:49, 22 October 2021 | 4,000 × 3,000 (4.78 MB) | NGALANDOUSSAN (talk | contribs) | Uploaded own work with UploadWizard |
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Camera manufacturer | NIKON |
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Camera model | COOLPIX S9100 |
Exposure time | 1/1,600 sec (0.000625) |
F-number | f/4.6 |
ISO speed rating | 160 |
Date and time of data generation | 12:10, 14 September 2020 |
Lens focal length | 12.3 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | COOLPIX S9100V1.0 |
File change date and time | 12:10, 14 September 2020 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 12:10, 14 September 2020 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3.7 APEX (f/3.61) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
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 | 68 mm |
Scene capture type | Portrait |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
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