Nearshore currents and swimmer safety in the Netherlands

Artificial beach and foreshore nourishments, as executed widely along the Dutch coast, change the nearshore morphology and current patterns significantly. Over the last decades the size of the nourishments has increased from 0.7 x 106 m3/km to over 6 x 106 m3/km. Groynes which were present along the southern Holland coast since the 19th century...

Flooding and sediment management on the Koshi alluvial fan, Nepal

The flood of the Koshi River in 2008 is the motive to execute this study. This flood is described as one of enormous proportions, a disaster which severely influenced the life of hundred thousands of people in Nepal and millions of people in India. This study investigates the natural aggradation of the river system and the influence of the...

Preliminary study of the flushing operations of the Langmann reservoir, Austria

The Langmann reservoir is part of the hydropower system in the river Teigitsch and in the reservoir loss of storage volume occurs. The reservoir was therefore flushed, but recently no permission is granted. The reason is the high sediment concentrations that have negative effects on the downstream region. An optimization of the flushing...

The Effects of the "Ike Dike" barriers on Galveston Bay

In 2008 Hurricane Ike flooded large parts of the barrier islands in front of the Galveston Bay near Houston, Texas. The storm surge also entered the bay through the inlets causing great damage along the bay and the port of Houston. Because of the high probability that a hurricane would strike again the “Ike Dike” was developed. The concept...