Port economics

Bibliographic data

Monograph

Identifikator:: 173564191X

URN:: urn:nbn:de:zbw-retromon-111718

Document type:: Monograph

Author:: Cunningham, Brysson http://d-nb.info/gnd/1055472266

Title:: Port economics

Place of publication:: London [usw.]

Publisher:: Pitman

Year of publication:: 1926

Scope:: IX, 134 S

Digitisation:: 2020

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: Chapter I. Ports and harbours

Collection:: Economics Books

PORT ECONOMICS Then, many rivers are afflicted at their mouths with what are termed Bars, i.e. ridges of material which are due to various causes, some of them obscure, resulting in a diminution of depth of water at the very threshold of the port. Immense sums of money have been expended in dredging operations at notable ports throughout the world with a view to the removal of these bars, or, at any rate, to a lowering of their crests. At Liverpool, since the year 1890, when dredging operations were commenced, no less than 400 million tons of sand have been removed from the bar of the Mersey and the approach channels to the port; the operation is necessarily continuous, since the bar tends to reform. At the mouths of the Mississippi, of the Danube, of the Volga and other rivers, extensive dredging has been necessary for the same reason. At other river mouths, where bars are not definitely in evidence, there are shoals and banks of mud and sand which impede the channels and dredging has frequently to be resorted to for their removal. The entrances to the ports of London, New York and Hamburg may be quoted as examples. All these considerations go to show that no situation of a port from a physical point of view can be considered as altogether perfect, and in each case the best has to be made of the circumstances which obtain. HINTERLANDS But the outstanding fact is, that the ports have their inception and tend to develop, solely in accordance with the dictates of trade requirements, along the line of recognized traffic routes, and no amount of convenience and suitability will originate and foster a port where the inducement of trade is lacking. There are plenty of harbours and coastal inlets where ports could be established with the requisite degree of shelter and accommodation, were it not that the absence of conditions favourable to trade militate against the attraction of shipping. I2

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