Adrian Stott wrote: > "Ron Jones" <[email protected]> > wrote: > >> When we had the GRP cruiser (moored on the Stort), that used to get >> frozen in most years (so near London and so cold...). > > Almost all river navigations include lengths of channel through which > no (significant) flow of the river passes (lock cuts, etc.). These > are almost as liable to freeze as lengths of canal -- in fact, many > are in effect lengths of canal. A large proportion of the Stort > navigation consists of such lengths. > > I've seen the cut below Hertford lock freeze only once in the >15 > years I have moored downstream of it. However, I've never seen a > flowing section of the Lea freeze. > > It is possible for a river to freeze, though -- well, at least the > surface of it. Even the Thames through London once used to (before > the old London Bridge, which used to obstruct the flow significantly, > was replaced). As a possibly slightly extreme example, the > (navigable) Yukon River freezes every winter. It is quite impressive > (visually and aurally) when "the ice goes out" on it, which is when > the ice breaks up and moves downstream in the spring, normally in > April, I think. It is all over in a surprisingly short time. > > Adrian > > > Adrian Stott > 07956-299966 > > > ------------------------------------
The Chena River in Fairbanks, Alaska. This picture was taken at the end of August, within a month this will be an ice road across the frozen river. http://www.tuesdaynightclub.co.uk/Stuffimages/Chena.JPG -- Neil Arlidge - NB Earnest Follow the travels of TNC, now in Ireland http://www.tuesdaynightclub.co.uk/tour.html
