All forms of hydrological prediction involve many different sources of uncertainty. Many of these sources of uncertainty involve knowledge (epistemic) uncertainties that are not necessarily easy to represent statistically. This can create problems for communication and interpretation between modeller and users when uncertain predictions are presented. One way of dealing with this problem is to […]
Författare Keith Beven, David Leedal and Ruth Alcock
Nyckelord (Keyword) flood risk mapping; communication of uncertainty; epistemic error; hydraulic models; risk-based decisions
At the Käppala wastewater treatment plant (WWTP) in Stockholm, a novel approach for dewatering of sewage sludge has been developed. As in many wastewater treatment plants the dewatering is a costly part of the treatment process. The sludge produced at the plant must be hauled to be used on farmlands and dewatering greatly reduces the […]
Författare ANDREAS THUNBERG
Nyckelord (Keyword) Kemicond, hydraulic filter press, sludge conditioning, pathogen control
The access to safe drinking water is a basic and critical component of our society. If the drinking water supply system is exposed to disturbances, it is of great importance that water suppliers are able to maintain continuity within the water distribution system. This study analyses if the emergency planning of Swedish drinking water suppliers […]
Författare JOSEFIN BARUP och SOFIE SAMUELSSON
Nyckelord (Keyword) BS 25999, Business Continuity Management, BCM, drinking water, tap water, crisis, emergency
Separate biological treatment of sludge liquor, produced when dewatering digested sludge at wastewater treatment plants, can be favourable in achieving sufficient nitrogen removal. The treatment has the potential to decrease volume requirements and electrical energy and external carbon consumption. The characteristics of sludge liquor (high temperature, high ammonium concentration, low COD:N ratio) support high autotrophic […]
Lake Poopó is a terminal lake of the Bolivian Altiplano, with high salinity and heavy anthropogenic pollution from centuries of extensive mining activity. This study aims to describe how the water quality of groundwater and surface water system in different subwater-sheds of the Lake Poopó varies with geology and hydrology. Measurements of total dissolved solids […]
Författare M. E. GARCIA, L. BENGTSSON and K. M. PERSSON
Nyckelord (Keyword) Groundwater, salinity, lake Poopo, Bolivia, acid mine tailings, water quality
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