Wind Erosion

13 11 2008

In today’s class we talked about Landscape Form and Process. The idea that our environment is constantly in flux and that everything is wearing down is a process of Landscape design. Our presenter talked about Nash’s project, Wooden Boulder. This project began in 1978 with part of a tree Nash cut into a boulder shape and it got wedged in a stream. Slowly but surely over the course of 25 years the boulder moved along the stream to another pool, then to a river where it was eventually lost. 

nash-wooden-boulder Nash with the Wooden Boulder

The point is that the boulder was broken down by weathering and erosion and many natural processes took place in order to move the boulder. The erosional agent that has the most affect on design is rain or rainfall. Helping out the rain is gravity which pulls water downhill which weathers any erodible material in its path. In a previous post of mine I talked about river erosion because it is especially important in Winnipeg. Another type of erosion though is wind erosion. Because our area isn’t that arid, wind erosion isn’t as large a factor as some other areas of the world such as deserts. It is still affecting our landscape though. Wind erosion causes soil loss, dryness and deterioration of soil structure as well as air pollution. Knowing how much wind erosion affects our landscapes is very important in terms of landscape design. 

– Kayla Schlosser

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