Mr Taylor, Tides in the Bristol Channel 



32a 



and 3 It will be seen tliat the assumption tliat the breadth and 

 the mean depth of the channel increase uniformly from the head 

 towards the mouth is a fairly good approximation to the truth. 



10 



60 



20 30 40 50 



Miles from Portishead 

 Fi«s. 2 and 3. Dimensions of Bristol Channel. 



On looking at the sketch chart (fig. 1) it will be seen that the 

 breadth increases westward of section A, but th^t -ving to t.o 

 deep bays, Barnstaple Bay and Caermarthen Bay, it ceases to 



