File:倉敷市 用水路-10 下庄地区(旧・庄村).jpg
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Summary
editDescription倉敷市 用水路-10 下庄地区(旧・庄村).jpg |
日本語: 川幅の広い基幹水路が、直角に曲がっている荒れた水路を掘り下げて、大規模な改修工事中の風景。
基本的には、画像の左下角側(南側)から流れて右上角側の石垣(宅地跡)にぶつかり、左上角側(西側)に流れているので、石垣の右下側護岸には長年に渡り相当な水圧が掛かり続けていた。 この影響で通常の水田がある右下側護岸は、従来からの木杭と薄板の仮設護岸でしのいでいたものの、水流の関係で特に損傷が激しい部分は、市役所より希望者に支給され続けていた補修用板が、平成の中ごろより従来の厚みと比べて半分程度となった粗末な支給資材で補修しても、複雑な水流で直ぐに朽ちると言いう状況が続いていた。 またこの水路は、北部の上東地区へ送水する複数の基幹水路の一部でもあり、土砂流入による水量の不安定を防ぐためなどの特殊事情により、特に崩落の激しい右側中央上からの部分的に数メートル区間に渡って矢板(鉄板の杭)を打ち込んで、応急的に護岸崩落を防いでいた。 なお、矢板の裏側(水田側)は、川底を一時的に掘り下げた影響で矢板が水路側へ倒れないように、鎖で水田側へ引っ張って補強している。 |
Date | 2014年4月22日撮影。 |
Source | Own work |
Author | 農業土木通信員 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:20, 14 September 2021 | 2,560 × 1,920 (1.64 MB) | 農業土木通信員 (talk | contribs) | Uploaded own work with UploadWizard |
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Metadata
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Camera manufacturer | CASIO COMPUTER CO.,LTD. |
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Camera model | EX-H10 |
Exposure time | 1/100 sec (0.01) |
F-number | f/3.2 |
ISO speed rating | 64 |
Date and time of data generation | 17:41, 22 April 2014 |
Lens focal length | 4.3 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | 1.00 |
File change date and time | 17:41, 22 April 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 17:41, 22 April 2014 |
Meaning of each component |
|
Image compression mode | 4.9833333333333 |
APEX exposure bias | 0 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 24 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |