Statistical evaluation of wave conditions in a deltaic area

Coastal engineering problems concerning wind waves and swell can be solved with the aid of hydraulic or mathematical models. The irregular wave field i.e. the state of the sea surface can be described in a sufficient way for engineering problems either by parameters such as significant wave height and mean wave period, or in the form of power...

Bed-load transportmeter for find sand "Sphinx"

A new bed-load transportmeter has been designed particularly for very fine bed material (below 400 micron). The basic conception is the same as for the so-called Delft-bottle used for measuring transport by turbulent suspension. The instrument is of the flow-through type. The flow enters through a narrow and relatively high nozzle and is...

Theoretical considerations on the motion of salt and fresh water

This paper gives a survey of the theoretical investigations in Holland on the motion of salt and fresh water in estuaries, locks, etc. The insight gained is set forth, and also questions yet unsolved are mentioned. First the long wave phenomena in the interface of two sharply separated liquids are treated, and in connection herewith, the cases...

Onderzoek betreffende den invloed van golfbewegingen en langsstroomingen in kanaalpanden, welke aansluiten aan sluizen met groot verval, in het bijzonder tengevolge van de vlugge vulling en lediging van deze kunstwerken

Metingen uitgevoerd in de Twenthekanalen en op het Amsterdam-Rijnkanaal naar translatiegolven veroorzaakt door het openen en sluiten van sluizen in deze kanalan. Theoretische achtergrond en toetsing van deze methode aan meetgegevens. Opm.: alleen in dit jaar zijn de papers ook allemaal in het Nederlands verschenen. Het originele paper is in het...