51 uppsatser · sida 2 av 4
En studie om Sverige, Danmark, Frankrike och Tyskland
To guarantee protection of our drinking water, water catchment protections are established. These are divided into three different zones and in the first zone it is most likely that an activity, such as agriculture, will contaminate the water resource. Hence the activities are …
… in soil, to a depth of 40 cm, in a coniferous forest in the Stubbetorp catchment area in south-east Sweden. Also, the spatial distribution of the two forms of chlorine was determined. Soil samples were collected at 49 of the nodes in a grid with approximately 105 m between the …
… applied are the mean depth and area of the lake. The length and size on the catchment area are the factors that have been used on streams. The classification is issued from biological, chemical and hydromorphological elements. The biological elements in both lakes and streams …
Design för optimal hydrologi och kväverening
… 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 design characteristics and can be used for wetland engineering such as …
spårämnesförsök i en isälvsavlagring
… acquire good knowledge about possible travel time from different points in the catchment area to the well. Often, simple analytical methods are used for estimating travel times and the assumption is made that the hydraulic conductivity is relatively homogenous within the …
… parameters of which in particular the lake morphometry and the land use in the catchment of the lake influenced the climatic sensitivity of the lake to climatic change.
hur kunskap förvaltas och används i tillståndsprocesser
… associated with high uncertainty of how much of the supplied nitrogen from the catchment is transported with the water versus and how much is lost due to denitrification, sedimentation or uptake by plants. This report is an interdisciplinary survey of Nitrogen discharge …
studie av påverkande faktorer
… filters have been studied. The colour of the raw water from Sjöbysjön and its catchment area has increased since the beginning of the 90-ies and also the bio volume has increased in the lake. The contents of aluminium before the slow sand filters are far higher than the contents …
… The three different GIS-analyses includes calculation of pollution load in a catchment area, estimation of the visual impact from planned buildings and generation of alternative locations for underwater pipes. These analyses have been applied on one ongoing EIA for a freight …
Bedömning av sulfidmalmgruvan Enåsens eventuella påverkan på sjöns vattenkvalitet
… Ensjön is contaminated with water from the mine waste. No other sources in the catchment area can be the source of the enriched amounts of heavy metals. Focus should in further work be put upon finding the exact source of leakage from the mining area.
-bedömning av dagvattenkvalitet
… nearby area the pollutions that comes with the stormwater is a variety. The catchment area of Lyviken is approxiametely 2 000 000 m2 and the quality of the stormwater differs a lot, depending on where it comes from. The conclusion of this study is that there were not any …
En studie om förskolors läsvanor och användning av biblioteket i ett mångkulturellt område
… were sent out to each section of the municipal preschools within the catchments area of the local public library in a multicultural suburb of Uppsala. Three short interviews were carried out with staff at the local and main library branches, as well as library staff at 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 wetlands created to remove nutrients. The surface area should exceed 0,5 hectare and the inlet-nitrogen …
… thesis aims to estimate the acidity status and impact of acidification on 24 catchments upstream liming dispensers, which is part of the liming activities at the County of Dalarna.The acidity status of the streams was classified according to the Swedish Environmental Protection …
… investigation was to compare metal content in surface water in the areaand its catchments between year 2010 and 2003, also to make calculation of specific runoffand metal load, furthermore determine the recipients in the area. Surface water samplingwhere preformed at the same …
