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Immagine a colori naturali del nord-est dell'Italia (Regione Friuli-Venezia Giulia) che mostra i torrenti
Cellina e Meduna ed il fiume Tagliamento. I letti ghiaiosi di questi corsi d'acqua contrastano con il terreno circostante, rendendoli immediatamente riconoscibili. Il Cellina ed il Meduna formano
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shape. When a river receives more sediment than it can move effectively, the river changes shape, often carving braided channels. Upstream from the
Cellina, Meduna, and Tagliamento Rivers, the mountain basin is seismically active and prone to landslides. As a result, heavy sediment loads often reach
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belong to cultivated fields. The crops mingle with settlements, some of them quite close to river channels. Some hydrologists have expressed concern about continued development on this floodplain because flood damage has occurred fairly frequently, just as the fertile soils have attracted
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alla loro confluenza la grande V sulla sinistra. Il grande accumulo di materiale ghiaioso è dovuto anche all'instabilità idrogeologica e tettonica dei bacini montani di questi fiumi: nel caso del
Tagliamento di conseguenza si è sviluppata una morfologia fluviale a canali intrecciati (
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192:). La dinamica naturale qui visibile è messa a rischio dalla costruzione di dighe (principalmente nel caso del Cellina), dal prelievo di ghiaia, dal trattenimento dei sedimenti a monte, e dallo sviluppo di coltivazioni ed insediamenti all'interno dell'alveo naturale.
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161:-coated riverbeds contrast sharply with the surrounding landscape, highlighting the river contours. The Cellina and Meduna Rivers converge in the south, forming a giant
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719:{{Information |Description={{en|1=Natural-colour image of north-eastern Italy showing parts of the Cellina, Meduna, and Tagliamento rivers. The
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joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Image captured by the
Thematic Mapper on NASA’s Landsat 5 satellite. Data provided by the United States Geological Survey.
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Natural-colour image of north-eastern Italy showing parts of the
Cellina, Meduna, and Tagliamento rivers. The
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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The following pages on the
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states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."
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these rivers, all three of which have braided channels. Around the rivers, rectangular shapes of
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723:-coated riverbeds contrast sharply with the surrounding landscape, highlighting the
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Click on a date/time to view the file as it appeared at that time.
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The NASA website hosts a large number of images from the
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
