Uppsatser om constructed wetland
29 uppsatser · sida 1 av 2
Magisteruppsats · Högskolan i Halmstad
… and be used in future evaluations of reduction of nutrients and design of constructed wetlands. According to the administrative board in Västra Götaland the reference wetlands should have a catchment area of about 50 hectare consisting of at least 70 % arable land, to represent …
studier av en mad vid Bornsjön
Examensarbete · SLU
… knowledge of their effectiveness in this matter is poor. In 2003 a wetland was constructed on an old meadow on the western shore of Lake Bornsjön in central Sweden. The main purpose of the wetland was to reduce the amount of phosphorus entering the lake, which is the back-up …
Design för optimal hydrologi och kväverening
Examensarbete, avancerad nivå · Uppsala universitet
… developed in the PRIMROSE project (PRocess based Integrated Management of constructed and Riverine wetlands for Optimal control of wastewater at catchment ScalE), which is financed by the EU. Analysis of the residence time distribution (RTD) is a tool for understanding wetland …
Annons
kan anlagda våtmarker med vattenrening som huvudsyfte bidra till naturvård och biologisk mångfald?
Examensarbete · SLU
… are important steps to optimize these actions. The wetland Vattenparken was constructed 1999 ? 2000 for treatment of surface water. During the construction a big effort was made to ensure the benefits for biodiversity, mainly through planting of wetland vegetation and …
Examensarbete · SLU
… objective with this project is to study nitrogen and phosphorus retention in a constructed wetland by using mass balance calculations. Continuous measurements of nutrients and water flow through the inlet and the outlet of the wetland are made. However, substantial amounts of …
Kandidatuppsats · Linköpings universitet
The aim of this study was to examine what impact restored and constructed pounds and wetlands have on waterfowls in the area of Linköping. The birdlife in five constructed wetlands werechosen to investigate if specific factors like age, size and vegetation affected the avian …
-bevarandestrategi eller riskåtgärd?
Magisteruppsats · Stockholms universitet
This study evaluates the retention of nitrogen and phosphorus in four newly constructed wetlands in the municipality of Falkenberg, Sweden. The four wetlands have been selected because they have been specifically constructed with the aim to reduce nitrogen and phosphorus in …
Kandidatuppsats · Högskolan i Halmstad
This study evaluates the retention of nitrogen and phosphorus in four newly constructed wetlands in the municipality of Falkenberg, Sweden. The four wetlands have been selected because they have been specifically constructed with the aim to reduce nitrogen and phosphorus in …
Kandidatuppsats · Södertörns högskola
… where a wetland with refine of nitrogen as a purpose can be located and constructed in the system of Forsån. By topographic studies one appropriate area where the river of Garpenberg flows past Krommetsbo is found. The potential of the area is supported by an inventory of …
Kandidatuppsats · SLU
Idag är många städer belägna längs kusten och när städerna växer innebär det att stora ytor våtmark försvinner. Våtmarker i urban miljö kan genom rätt utformning erbjuda varierade miljöer med ett antal värdefulla ekosystemtjänster. Exempel på sådana ekosystemtjänster är …
Kandidatuppsats · Linköpings universitet
… between the amount of P and sediment particle size were investigated in a constructed wetland southwest of Linköping. Furthermore, the possible correlation between clay content in the sediment and distance from the inlet was investigated. Sediment samples were collected along …
Kväve- och fosforrening i anlagda våtmarker.
Kandidatuppsats · Högskolan i Halmstad
… other parameters) andgetting a further understanding on different kinds of constructed treatment wetlands as well astheir nitrogen and phosphorus removal processes. The wastewater from the factory consistedof process water from manufacturing and water used for cleaning, no …
studier av Vattenparken i Enköpings kommun
Examensarbete · SLU
… study was to examine the amounts of heavy metals in the sediment of a wetland constructed for stormwater treatment. The wetland is called Vattenparken and is located in the city of Enköping. The heavy metals which were analysed were Pb, Cd, Ni, Zn, Cu, Cr and Hg. The total metal …
Kandidatuppsats · Södertörns högskola
… intends to find easily recognizable indicator species for water quality in the constructed wetland of Flemingsbergsviken. The study is relevant since indicator species can be difficult to determine for common people. Easily recognizable indicator species could improve dialogue …
Masteruppsats · SLU
… a high performance temperature controlled methanogenesis digester and a constructed wetland. The objective was to determine if this type of cleaning process could be used to clean wastewater from abattoirs in a satisfactory way. The indicator organisms for faecal contamination …