Volume Volume2\Physical Geography
Entry# 972. On the alterations, caused in the courses of rivers by their confluence (972-974).
Contents: Vol. 1 | Vol. 2
When a smaller river pours its waters into a larger one, and that
larger one flows from the opposite direction, the course of the
smaller river will bend up against the approach of the larger river;
and this happens because, when the larger river fills up all its bed
with water, it makes an eddy in front of the mouth of the other
river, and so carries the water poured in by the smaller river with
its own. When the smaller river pours its waters into the larger
one, which runs across the current at the mouth of the smaller
river, its waters will bend with the downward movement of the larger
river. Footnote: In the original sketches the word _Arno_ is
written at the spot here marked _A_, at _R. Rifredi_, and at _M.
Mugnone_.
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