Föroreningstransport i den omättade zonen under olika nederbördsscenarion / Unsaturated solute transport under different rainfall scenarios
Pollutant transport in the unsaturated soil zone is a potential threat to surface and ground water resources. The intensity and volume of rainfall are the parameters that decide how fast and deep the pollutants will be transported. Climate models predict a future rainfall climate with higher total volume and higher intensities. In the present study […]
Climate model precipitation in hydrological impact studies: limitations and possibilities / Nederbörd från klimatmodeller i hydrologiska effektstudier: begränsningar och möjligheter
Hydrology is strongly precipitation-dependent and hence hydrological modeling and forecasting requires accurate precipitation input for good performance. Hydrological climate change impact assessment thus requires good estimates of future precipitation. Climate modeling is the main means of estimating future precipitation, but it is seldom possible to directly use the precipitation output from climate models for meaningful […]
Future projections of nutrient fluxes to Lake Mälaren / Framtida projektioner av närsaltflöden till Mälaren
Two climate projections are used as forcing data in a hydrological model for the Lake Mälaren catchment, in order to evaluate the expected impact on nutrient fluxes (nitrogen and phosphorus) into the lake. Lake Mälaren comprises a large lake system, discharging into the Baltic Sea through the city of Stockholm, Sweden. Being a major fresh-water […]
Large-scale effects of climate change on water resources in Sweden and Europe / Storskaliga effekter av klimatförändring på vattenresurser i Sverige och Europa
According to the future scenarios from global and regional climate models, the climate change will profoundly affect hydrological processes at different scales in time and space. This paper presents results from a new generation of hydrological climate change impact studies, combining new methods for downscaling and bias correction of climate projections with new methods for […]
Dissemination and end-user interactions of climate change impact on water resources / Spridning av resultat och användarkontakter för klimatförändringens påverkan på vattenresurser
During three years there have been continuous activities on dissemination of results from the Swedish research project HYDROIMPACTS2.0, including dialogues and outreach to stakeholders and end users. Besides the traditional dissemination towards the academic community (e.g. scientific papers and conference contributions), the project included various web-based tools to facilitate hydrological climate change impact assessment as […]
Potentials for numerical models in water management recommendations for local water management with stakeholder involvement / Möjligheter för numeriska modeller inom vattenförvaltning Rekommendationer för lokal vattenförvaltning med aktörssamverkan
The outcomes from two Swedish IHP workshops on the use of numerical models in water management are presented. The workshops involved researchers and modellers from various parts of Europe and representatives from the Swedish water management sector. Recommendations of good practices in the use of models, with emphasis on local water management and stakeholder involvement […]
Hydraulic flocculation with up-flow roughing filters for pre-treatment of surface water prior to conventional rapid sand filtration / Hydraulisk flockning med uppströmsförfilter för förbehandling av ytvatten före konventionell snabbsandfiltrering
Hydraulic flocculation has been used in many different ways in drinking water treatment for many years. In this paper, the results of experimental work using an up-flow roughing filter for hydraulic flocculation prior to treatment with conventional rapid sand filtration are presented. The objective was to evaluate optimum flocculation conditions with up-flow roughing filtration and […]
Effects of sugarcane expansion on runoff and evapotranspiration in the Rio Grande basin, Brazil / Effekter av sockerrörsplantagers utbredning på avrinning och avdunstning i Rio Grandes avrinningsområde i Brasilien
The demand for biofuel has increased in recent years as more countries desire to reduce their dependence on fossil fuels. Therefore, the amount of sugarcane plantations has rapidly increased in Brazil, one of the largest producers of ethanol from sugarcane in the world. This increase raises concerns of what effects this replacement of native vegetation […]
Effekter orsakade av extrema vattenstånd och vågor i Lundåkrabukten – situationen idag och i ett framtida scenario / Impact of extreme sea levels and waves in the bay of Lundåkra – present situation and future scenarios
We are living in a time where we are being frequently reminded of the threat of a drastic climate change. Understanding the complexity of the climate remains a major challenge when trying to predict the consequences of this change. Nevertheless, there are today enough results from numerous studies to create a reasonable idea of possible […]