Eutrophication because of heightened phosphorus and nitrogen input into freshwater ecosystems is an increasing problem, while at the same time phosphorus availability for agricultural purposes is decreasing on a high pace. B-Ware Research Centre and Radboud University Nijmegen developed a novel biocascade …

In 2006 a mud volcano erupted in Sidoarjo, a town south of East Java’s industrial hub, Surabaya. The volcano has continued to produce mud until the present day (2016) resulting in a mud depot of over 500 hectares. The mud has caused damage to the people living in the area and continues to bring destruction …

Intertidal areas in the Netherlands suffer from divers pressures in the delta. The Western Scheldt has an open connection to the sea. This system is in use for the Port of Antwerp, for which dredging is required. Therefore, Rijkswaterstaat has to compensate natural areas, among which intertidal areas. Area …

Floating wetland treatment systems (FWTS) are an innovative stormwater treatment technology currently being trialled on a larger scale in Australia. FWTS provide support for selected plant species to remove pollutants from stormwater discharged into a water body. The plant roots provide large surface …

Storm sewers are known to significantly contribute to annual pollutant loads to receiving water bodies. The storm sewers of the city of Almere discharge the stormwater of 1384 ha of impervious area via 700 storm sewer outfalls (SSOs) to the local receiving water system. This water system suffers from …

Posidonia oceanica is a species of seagrass endemic to the Mediterranean Sea where it grows either in patchy patterns or forms extensive meadows, at up to 50m of depth. The species has great ecological and economical value. It provides a habitat and nursing ground for many marine fauna species and fixates …

The goal of this thesis has been to test Phoslock® as an artificial tracer that can be used as a time marker in the sediment. The application of Phoslock® is a method to restore a lake by removing phosphate from water. Phoslock® consists of bentonite and lanthanum. It was decided to test Phoslock® because …

The Barsnesfjord is located near the small town of Sogndal in Western Norway. A 9 m deep sill separates the periodically anoxic, 82 m deep Barsnesfjord from the oxic, 260 m deep Sogndalsfjord. On this 9 m deep sill the Loftesnes Bridge was built in 1958 and connects Sogndal with Loftesnes. Starting in …

Stormwaters, flowing into storm sewers, are known to significantly increase the annual pollutant loads entering urban receiving waters and this results in significant degradation of the receiving water quality. Knowledge of the characteristics of stormwater pollution enables urban planners to incorporate …

Permeable pavements are specifically designed to promote the infiltration of stormwater through the paving surface in order to reduce run-off volumes and to improve water quality by removing sediment and other pollutants. However, research has shown that permeable pavements can become clogged over time …