File:Bourré (Loir-et-Cher) (10139308564).jpg

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Description	Le barrage de Vallagon refait à neuf. Il s'agit d'un barrage à aiguilles. Le barrage attendait sa réfection depuis 2006. La commune de Bourré ne pouvant assumer seule les réparations, il a fallut attendre l'aide du Syndicat du Cher canalisé. La réfection de 6 autres barrages, que la crue en 2012 avait balayés, devrait suivre. La réfection du barrage de Vallagon était la plus périlleuse. Avant Vallagon, le Cher dévale sur 15 km sans barrage, donc sans régulation possible. La réfection du barrage était donc conditionnée par la météo. Rien que pour Vallagon, il a fallut transporter 10 tonnes de matériel. Le principe du barrage mobile à aiguilles a été mis au point par l'ingénieur François Poirée en 1830. La retenue est assurée par des centaines de barres en bois dont le haut forme une poignée. Les aiguilles appuient en bas sur une saillie du radier au fond de l'eau. Le haut des aiguilles porte sur une série de fermettes en fer. reliées par une passerelle. L'hiver, les aiguilles sont retirées et les fermettes mobiles couchées au fond de la rivière.
Date	Taken on 27 September 2013, 15:07
Source	Bourré (Loir-et-Cher)
Author	Daniel Jolivet

Camera location	47° 20′ 42.78″ N, 1° 12′ 43.66″ E	View this and other nearby images on: OpenStreetMap	47.345216; 1.212127

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This image was originally posted to Flickr by sybarite48 at https://flickr.com/photos/26082117@N07/10139308564 (archive). It was reviewed on 16 November 2017 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

16 November 2017

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:20, 16 November 2017		4,928 × 3,264 (9.76 MB)	Thesupermat2 (talk \| contribs)	Transferred from Flickr via Flickr2Commons

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Metadata

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	PENTAX
Camera model	PENTAX K-5 II
Author	JOLIVET Daniel
Copyright holder	JOLIVET Daniel
Exposure time	1/200 sec (0.005)
F-number	f/11
ISO speed rating	200
Date and time of data generation	15:07, 27 September 2013
Lens focal length	55 mm
Latitude	47° 20′ 42.78″ N
Longitude	1° 12′ 43.66″ E
Altitude	46 meters above sea level
Short title	Bourré (Loir-et-Cher)
Image title	Le barrage de Vallagon refait à neuf.Il s'agit d'un barrage à aiguilles.Le barrage attendait sa réfection depuis 2006. La commune de Bourré ne pouvant assumer seule les réparations, il a fallut attendre l'aide su Syndicat du Cher canalisé.La réfection de 6 autres barrages, que la crue en 2012 avait balayés, devrait suivre.La réfection du barrage de Vallagon était la plus périlleuse. Avant Vallagon, le Cher dévale sur 15 km sans barrage, donc sans régulation possible. La réfection du barrage était donc conditionnée par la météo.Rien que pour Vallagon, il a fallut transporter 10 tonnes de matériel.
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop Elements 9.0 Macintosh
File change date and time	20:21, 6 October 2013
Y and C positioning	Co-sited
Exposure Program	Shutter priority
Exif version	2.3
Date and time of digitizing	15:07, 27 September 2013
Meaning of each component	Y Cb Cr does not exist
APEX exposure bias	0
Metering mode	Pattern
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
Focal length in 35 mm film	82 mm
Scene capture type	Standard
Contrast	Hard
Saturation	Normal
Sharpness	Hard
Subject distance range	Distant view
GPS time (atomic clock)	13:07
Satellites used for measurement	10
Receiver status	Measurement in progress
Measurement mode	3-dimensional measurement
Speed unit	Kilometers per hour
Speed of GPS receiver	0.02
Reference for direction of movement	True direction
Direction of movement	326.61
Reference for direction of image	True direction
Direction of image	175.8
Geodetic survey data used	WGS-84
GPS date	27 September 2013
GPS tag version	2.3.0.0
Width	4,928 px
Height	3,264 px
Pixel composition	RGB
Number of components	3
Supported Flashpix version	1
Image width	4,928 px
Image height	3,264 px
APEX shutter speed	7.643856
APEX aperture	6.918863
Name of GPS processing method	GPS
Bits per component	8 8 8
Date metadata was last modified	19:19, 7 October 2013
Writer	Jolivet daniel
Unique ID of original document	xmp.did:0580117407206811871FFB6E6A5F2293
Copyright status	Copyright status not set
IIM version	2

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File:Bourré (Loir-et-Cher) (10139308564).jpg

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