File:Headward erosion-1.JPG
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English: The headward erosion continues despite the presence of the forest. The eucalyptus tree with its root in air has a near 40 centimeters diameter. The presence of lenticular beds of mud in the arenite, forces the underground water flows horizontally, increasing the erosion rate. From Casa Branca, Brazil. (pt): A boçoroca ṕrogride apesar da luxuriante vegetação. Os troncos dos eucaliptos ao fundo tem quase 40 cm de diâmetro. Notar sinais de tunelamento na parede da boçoroca. Neste local o emboçorocamento é potencializado pela presença de níveis lenticulares argilosos intercalados no arenito intemperizado. Estes interceptam a água subterrânea aumentando o fluxo lateral. |
| Date | |
| Source | Own work |
| Author | Eurico Zimbres Zimbres |
| Permission (Reusing this file) |
Free for all use. Attribute it to Eurico Zimbres |
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I, the copyright holder of this work, hereby publish it under the following license:
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:04, 12 January 2009 | | 2,112 × 2,816 (1.64 MB) | Zimbres (talk | contribs) | {{Information |Description={{en|1=The headward erosion continues despite the presence of the forest. The eucalyptus tree with its root in air has a near 40 centimeters diameter. The presence of lenticular beds of mud in the arenite, forces the underground |
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