File:Johnson_creek_pasture_reclamation_P2222.jpg
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Summary
DescriptionJohnson creek pasture reclamation P2222.jpg |
English: This recent rehabilitation of a portion of Johnson Creek restores bioswale and flood control functions of the land which had long been converted to pasture for cow grazing. The horizontal logs can float, but are anchored by the posts. Just-planted trees (in seedling protective tubes) will eventually stabilize the soil. The fallen trees with roots jutting into the stream are intended to enhance wildlife habitat. The meandering of the stream is enhanced here by a factor of about three times, perhaps to its original course. A kiosk will probably appear here alongside the Springwater Corridor roughly where SE 164th Ave virtually crosses. Kelley Creek merges with Johnson Creek in the background (barely visible).
Français : Réhabilitation récente d'une partie d'un cours d'eau (Johnson Creek) visant à reméandrer et renaturer le cours d'eau pour des raisons écologiques et pour mieux limiter le risque d'inondation en aval, sur une zone longtemps convertie en pâturage pour bovins. Dans ce cas, les rondins et troncs d'arbres couchés au sol peuvent flotter, mais sont ancrés par des poteaux. De nombreux plants d'arbres ont été plantés (visibles dans leurs tubes de protection) pour si nécessaire stabiliser le sol. Les arbres tombés dans l'eau en amont avec ou sans leurs racines formeront des embâcles et du bois-mort qui améliorent l'habitat faunistique. Les méandres du ruisseau ont ici été renforcés (environ d'un facteur de trois) pour ressembler au cours supposé d'origine. Le Kelley Creek fusionne avec le Johnson Creek en arrière-plan (à peine visible). |
Date | |
Source | Own work |
Author | EncMstr |
Camera location | 45° 28′ 50.3″ N, 122° 29′ 41.32″ W | View this and other nearby images on: OpenStreetMap | 45.480640; -122.494810 |
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Items portrayed in this file
depicts
22 March 2008
0.008 second
14.6 millimetre
image/jpeg
4dbe02c79ac16673f58e6dfca8a73efcd19e18b2
2,388,426 byte
2,112 pixel
2,816 pixel
45°28'50.304"N, 122°29'41.316"W
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:47, 28 March 2008 | 2,816 × 2,112 (2.28 MB) | EncMstr | {{Information |Description=This recent rehabilitation of a portion of Johnson Creek restores bioswale and flood control functions of the land which had long been converted to pasture for cow grazing. The horizontal |
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Metadata
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Camera manufacturer | PENTAX Corporation |
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Camera model | PENTAX Optio S60 |
Exposure time | 1/125 sec (0.008) |
F-number | f/7 |
ISO speed rating | 80 |
Date and time of data generation | 14:19, 22 March 2008 |
Lens focal length | 14.6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | ACD Systems Digital Imaging |
File change date and time | 16:26, 24 March 2008 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 14:19, 22 March 2008 |
Meaning of each component |
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Image compression mode | 3.9330140000861 |
Exposure bias | 0 |
Maximum land aperture | 2.8 APEX (f/2.64) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 78 |
Supported Flashpix version | 1 |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 89 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Distant view |