Saturday, November 7, 2020

Week 3: Rivers - Brandon Thammasine

I traveled to the Manu River which located in the southeast portions of Peru. The river meanders in S-shape curves near and along the southeast border of Peru. The lands along the river are surrounded heavily by green vegetation. Nearly the whole way through the river runs green forests. Aside from the land, the river itself is a wide, brown, and slow-moving stream. The wideness and slow-moving characteristics of the river mean that the process of sediment deposition and erosion is minimal. The smooth water and wide channel make for calm water that does not move a great number of large sediment material. However, it's brown color maybe dirt and tiny sediment particles. So the Manu may be carrying a lot of material, it's just depositing it very slowly.


I could not help but notice the lush green vegetation surrounding the river. The slow-moving water may be the reason why its edges are so green. The water may be soaking into the nearby land, constantly providing it with moisture. On top of that, it's brown color may be a sign of rich soil that flows and depositions throughout the stream which feeds neighboring vegetation.

In a boat cruising the Manu River in Peru. 
Manu River. Tripadvisor. www.tripadvisor.com

The river does meander and that may be due to it sitting on a slightly level plane. If it were on a steeper slope, the river might have been straighter and maybe even narrower. Its levelness may answer the questions as to why the river is so wide, slow-moving, and meanders.

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"Lowland tropical rainforest of Manu River." Peru North. https://www.perunorth.com/manu-national-park-cloud-forest





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