English Wikipedia - The Free Encycl...
הורד מילון זה
Waterway
A
waterway
is any
navigable
body of water
. A
shipping route
consists of one or several waterways. Waterways can include
rivers
,
lakes
,
seas
,
oceans
, and
canals
. In order for a waterway to be
navigable
, it must meet several criteria:
The waterway must be deep enough to allow the
draft
depth of the
vessels
using it;
The waterway must be wide enough to allow passage for the
beam width
of the vessels using it;
The waterway must be free of barriers to navigation such as
waterfalls
and
rapids
, or have a way around them (such as
canal locks
,
boat lifts
,etc.);
The
current
of the waterway must be mild enough to allow vessels to make headway.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License