Labels:text | screenshot | font OCR: how both floods and low water influence the deposition of sand and gravel on a riverbed. The margin illustrations show how obstacles placed in the current can have a great effect on a riverbed and the shape of its bank. C Leonardo notes how a current responds to an obstacle placed in a number of basic positions and the changes in response when the structure of the obstacle is altered. It is these responses that Leonardo hopes to take advantage of to control the shifting course and damage of rivers like the Arno.
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