1999-4

Historically people and institutional actors have always joined together to manage water problems in a situation of water scarcity. Examples of river basin administrations in China, Germany, England and Wales and France are given in this paper. It is noted that the French water management system has become the model for the EU Commission Proposal […]

The activities at the Department of Water Resources Engineering (previously the Department of Hydraulics) from 1966-1988 was characterized by a socially a ware attitude to water issues. There were obvious reasons for such an approach. The department launched its activties in the midst of global concerns for the lack of adequate water resources to meet […]

During the past century human activides have at least doubled the rate ofnitrogen fixation in the global landbased nitrogen cycle. Besides being beneficial to human societal development, this has many deleterious consequences for the environment. As part ofthe responses to the call for world-wide acrion on the problems with nitrogen, this paper focuses on the […]

Bivalves were used as environmental biomonitors by studying the growth rate and the structure of their shells, as well as by analysing elemental distribution in the shells. Information about water chemistry, temperature and pH, precipitarion, food supply and other environmental paramerers are stored in the bivalve shells. To be able to disclose the environmenral archives […]

VBB VIAK has developed a useful planning tool for stormwater management. It is presented in a GIS format with links to spreadsheet models in Excel and/or databases in Access. RunofFwater flows and pollutant loads are calculated in the watershed management model Stormtac. Data from Stormtac, together wkh exisung measurements and sampling data, are exported into […]