File:Submarine-Karst-spring Kiveri Argolis-Gulf Peloponnese.jpg
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[edit]DescriptionSubmarine-Karst-spring Kiveri Argolis-Gulf Peloponnese.jpg |
Deutsch: Große submarine Karstquelle „Dini“ beim Ort „Kiveri“, Ostküste des Peloponnes am Argolischen Golf. Das Süßwasser stammt aus dem Plateau (500 – 700 m) des hochgradig verkarsteten Kalkgebirges des nordöstlichen Peloponnes. Die Quelle am Ende eines großen Karstgangs wurde schon 1972 durch einen 150 m langen Ringwall vor der Vermischung mit Meerwasser geschützt hat. Steuerbare Wehre halten bei schwankendem Schüttungsvolumen den Süßwasserspiegel stets so weit oberhalb des Salzwasser-Meeresspiegels (mehrere Meter), dass das physikalisch dichtere, Salzwasser sich nicht mit dem Süßwasser vermischt. Die hohe Jahresdurchschnittsschüttung von 10 m3/s hat je nach Wassermenge nur sensationelle 0.3g/l bis 2,5g/l Chloride! Das Wasser wird über eine ca. 15 km lange Betonrinne statt exzessiver Entnahme des inzwischen versalzenden Brunnenwassers zur Bewässerung in die fruchtbare „Argos-Ebene“ (hinten noch erkennbar) gepumpt. English: Submarine karst spring “Kiveri”, east coast of the Peloponnese, Argolic Gulf. Precipitation water of the plateau (500-700 m) of the karstified limestone mountains of the Northeastern Peloponnese collects gradually in huge conduits, which run towards the Argolic Coast. The spring’s fresh water was barred already in 1972 by a 150 m long barrage. Gated weirs always maintain the fresh water table higher (since sea water is physically denser), to prevent the saline sea water from mixing with the fresh water. In the immense average annual discharge of 10 3/s there is only 0.3 to 2.5 gr/l Chloride! Along a ca. 15 km long water chute the fresh water is guided to the fertile Argos plain, where it replaces the irrigation by boreholes, whose water is very saline from excessive usage. |
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Source | Own work |
Author | Ustill |
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current | 17:18, 16 December 2016 | ![]() | 1,800 × 1,200 (1.67 MB) | Ulrichstill (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 350D DIGITAL |
Author | allwikiaulrich-tichy.de |
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Exposure time | 1/160 sec (0.00625) |
F-number | f/11 |
ISO speed rating | 100 |
Date and time of data generation | 11:19, 26 April 2007 |
Lens focal length | 45 mm |
Online copyright statement | https://commons.wikimedia.org/wiki/File:Submarine-Karst-spring_Kiveri_Argolis-Gulf_Peloponnese.jpg |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 14 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS5 Windows |
File change date and time | 22:33, 20 October 2016 |
Exif version | 2.21 |
Date and time of digitizing | 11:19, 26 April 2007 |
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APEX aperture | 6.9188690185547 |
APEX exposure bias | −0.66666666666667 |
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Focal plane resolution unit | inches |
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Exposure mode | Auto bracket |
White balance | Auto white balance |
Scene capture type | Standard |
Rating (out of 5) | 0 |
Date metadata was last modified | 00:33, 21 October 2016 |
Special instructions | selec ebene ganz oben mit Inhalt von img mit kon4: h+50, k+0
elec back-moutains weika3:farbsätt saett-70; h+10,k+60 selec Meer,erwei1 weika3: h-20k+60 selec büsche unten hinten erwei1 weika2: h+50, k+50 selec büsche unten vorne weika2: h+60,k+60 selec büsche oberh str weika2: h+30,k+90 selec sand vorne weika5: h+10,k+60 |
Unique ID of original document | xmp.did:35760882C596E611932AB64AFF102632 |
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IIM version | 51,032 |