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Chapter 10: Geomorphic Work
The amount of work done by geomorphic processes is a key geomorphic concept which led to magnitude frequency concepts, followed by power as the rate of doing work. Associated concepts focused upon energy expenditure and usage, including efficiency, entropy and least work principle, with maximum efficiency at one extreme and minimum power expenditure at the other. Progress of such ideas regarding the significance of energy expenditure developed in the 1960s and 1970s has been the subject for further attention in the 21st century, especially as applied to river systems.
When we use equipment and machines as part of our everyday lives we automatically think about their efficiency and operating cost, but can such concepts be applied to natural systems? Appreciating ...