Uppsatser om water quality

238 uppsatser · sida 7 av 16

Utvärdering av öppna dikens status och funktion

en förstudie i Västmanlands län

Examensarbete, grundnivå · SLU

… ditch problems and propose practical actions for improved ditch stability and water quality. The MADRAS surveys were conducted in two main ditches that drains 2900 hectares of land on the northern shores of Mälaren. In the study measurements of the ditch cross-sections were also …

Annons

Utveckling i Ammerån

att skapa ett hållbart fiske med hög kvalitet

Kandidatuppsats · Mittuniversitetet

… where man simply excavated and dug out of the river into a canal with even waterflow and also blew away a lot of rock. The other reason is forestry industrialization from the late 1950?s and onwards which meant that many of the trout’s spawning creeks where destroyed. Also the …

Turbiditet i dricksvatten

mätningar i Luleå kommuns <br /> distributionssystem

Examensarbete, avancerad nivå · Luleå

Turbiditet är ett mått på partikelinnehåll i dricksvatten samt ett sätt att beskriva vattenkvaliteten. Vattentäkten i Gäddvik, Luleå kommun, har periodvis hög turbiditet. Syftet med examensarbetet är att utreda orsaker till turbiditet i dricksvatten, från Gäddviks vattentäkt …

Grundvattenmodellering i Badelundaåsen

Examensarbete, avancerad nivå · Uppsala universitet

… have been plans to establish a shared facility in Lennheden to extract groundwater from the Badelunda esker to provide drinking water for the cities of Borlänge and Falun. The city of Falun is dissatisfied with the quality of its drinking water and the city of Borlänge is …

Green feed in the marine fish farming

how to communicate water benchmarks to stakeholders

Magisteruppsats · SLU

… (2008); breeding, rearing, and harvesting of plants and animals in all kind of water environments, including but not limited to ponds, rivers, lakes, and the ocean. According to Shamshak & Anderson (2008, p. 74) aquaculture has over the past 20 years been the fastest growing …

Sjöundersökning av Naalojärvi

Kandidatuppsats · Högskolan i Halmstad

… finer fractions of waste rock, tailings, must be separated from the process water by sedimentation in a system of ponds, with several sub basins. Because of the permanent sedimentation the capacity of this system is limited, therefore LKAB wants to expand the surface of the …

Sticklingsetablering av Sedum spp. för gröna tak

biokol som organiskt material i substrat

Kandidatuppsats · SLU

… green roof industry. The substrate has been treated with different amounts of water. One serie of treatments did not get any water after planting, the other serie got watered three times during the experiment. As a reference the commercial used substrate, roof soil, where used …

Förändringar i markanvändning över tid och dess påverkan på vattenkvalitet

Kandidatuppsats · Södertörns högskola

The EU Water Framework Directive has led that management follows the boundaries of natural catchments. The Swedish waters suffer from a nutrient overload that originates mainly from diffuse sources such as agriculture and the subcatchment of Hackstabäcken in Vallentuna Kommun …

Textilindustrins avloppsvatten och avloppsslam ur ett miljöperspektiv

Underlag för internationella riktlinjer inom projektet Sweden Textile Water Initiative

Magisteruppsats · Högskolan i Halmstad

The aim of my thesis is to obtain knowledge of textile wastewater and textile sludge from an environmental perspective, which can be used as a basis for the ”Sweden Textile Water Initiative” guidelines for a sustainable sludge management. In my study I have mainly focused on …

Bakteriell produktion i humösa istäckta sjöar i norra Sverige

Kandidatuppsats · Umeå universitet

… to compare these production measures with values measured from summer and open water conditions in three humic lakes situated in northern Sweden. Another purpose of this study was to 3) examine whether clear-cutting significantly affected bacterial production or water chemistry …

Skattning av den integrerade hydrauliska konduktivitetens variation kring Tunåsens infiltrationsanläggning

En utredning av påverkan från möjliga osäkerheter i befintlig information

Examensarbete, avancerad nivå · Uppsala universitet

… of uncertainties in existing information Almost half of Sweden’s drinking water volume is produced from groundwater. The main fraction of this is extracted from eskers, some of which allow for very large extraction rates. Despite this, the groundwater volume is not sufficient in …

Falu gruva och hållbar utveckling

Kandidatuppsats · Uppsala universitet

… was to improve the sewage plant in Främby by con-necting the contaminated water from the mining area with the waste water though a chemical treatment. In the year 1987 the treatment successfully began and the same year the Swedish government financed a delegation, called …