Blar i Master's theses (IMV) på utgivelsesdato
Viser treff 61-80 av 130
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Potential of rainwater harvesting in Nepal : a case study
(Master thesis, 2016-08-11)This paper gives an overview of RWHS in urban Kathmandu valley (27°32’13”- 27°49’10” N 85°11’31” & 85°31’38” E). The rainwater collection is during monsoon season (June-August) and some amount of water can be collected by ... -
Raingarden hydraulic conditions and functioning under variable precipitation scenarios
(Master thesis, 2016-08-11)Stormwater can have several serious impacts on public health, infrastructure and landscape of cities. Two of the main negative impacts of urban stormwater are floods and water pollution. Raingardens are bio-retention systems ... -
Veisalts påvirkning på kloridkonsentrasjoner i sjøørretførende elver og bekker i Østfold og Akershus
(Master thesis, 2016-08-11)Siden 1960-70 tallet har veisalting blitt benyttet for å opprettholde tilstrekkelig, trafikksikker vei-standard i Norge. Hovedformålene med veisalt er smelting (avisning) av vei og å unngå kompakte-ring av snø i veibanen. ... -
Performance evaluation of water and wastewater treatment plant in Kathmandu Valley
(Master thesis, 2016-11-17)In this work, assessments of technology of the water and wastewater treatment plants including constructed wetlands in Kathmandu valley are presented. There are nine water treatment plants among which two are not in ... -
Mekanisk jordløsning i eng i Nærbø og Orkdal
(Master thesis, 2016-11-22)I Norge har det vært gjort lite forskning på jordløsning i eng og interessen for kunnskap om jordløsning i denne vekstkulturen er stor. Denne oppgaven ble til igjennom forskningsprosjektet Agropro, og har som mål å ... -
Infiltrasjon for lokal overvannsdisponering (LOD) : vurdering av metoder for å måle infiltrasjon på lokal tomt
(Master thesis, 2017)Urbanisering og klimaendringer gir mer overvann Urbanisering og fortetting i byene, fører til at andelen tette flater øker. Dette hindrer regnvann i å infiltrere (trenge ned) i grunnen. I tillegg gir klimaendringene mer ... -
Long-term development in Lake Øyeren studied by paleolimnological method
(Master thesis, 2017)Lake Øyeren is a freshwater lake in SE-Norway that is located in the lower part of the river Glomma, having a large drainage area. In the northern part of the lake, river Glomma and two smaller rivers have built up the ... -
Wetland treatment of hospital wastewater in Far Western Nepal including a knowledge attitude and practice (KAP) study on sanitation
(Master thesis, 2017)Decentralized wastewater treatment systems are a technological approach to sanitation that often is easy to operate, cheap to construct and require little maintenance. Combining this with ecological sanitation which consider ... -
Uranium and toxic metal uptake by the earthworm Eisenia hortensis in contaminated soils
(Master thesis, 2017)Earthworms are present in nearly every terrestrial ecosystem worldwide and play an important role in the transport and availability of nutrients and other elements in soil. Even more ubiquitous than earthworms are naturally ... -
Survey of onsite wastewater treatment systems in Kristiansand municipality Norway : pollutants removal performance and solutions : performance analysis based on Web-GIS model
(Master thesis, 2017)In Norway, 16% of the population lives in rural areas where centralized infrastructure for wastewater treatment is neither cost effective and nor sustainable due to topography and long distance to connect a treatment ... -
Arsen (As), brom (Br) og bly (Pb) i morsmelk og urin blant ammende mødre bosatt i Oslo, Norge : interaksjoner som påvirker nivået
(Master thesis, 2017)Morsmelk er den ideelle næringen for optimal vekst, helse og utvikling for små barn, men det kan også være en kilde til miljøgifter. På grunn av rask vekst, umodne nyrer samt lever, og et nervesystem under utvikling, er ... -
Separation and quantification of microplastics from beach and sediment samples using the Bauta microplastic-sediment separator
(Master thesis, 2017)Microplastic pollution is a topic of scientific interest globally. The environmental impacts caused by microplastics have spurred research focusing on separation and quantification of microplastics from soil and sediments ... -
A five year performance evaluation of on-site wastewater treatment at Høyås farm, Ås, Norway
(Master thesis, 2017)To prevent contamination of surface and groundwater sources, municipalities in Norway maintain strict regulations to control the discharge of treated wastewater. Municipalities with local codes set phosphorus (P) effluent ... -
The effect of freezing and thawing on transport of pesticides through macroporous soils and the potential risk towards the aquatic environment
(Master thesis, 2017)Pesticides and their metabolites can leach rapidly through agricultural soils through macropores, be transported further into surface waters and potentially cause negative effects in aquatic organisms. Cold climate with ... -
Frå jord til bord : følgjer tungmetallet med i kornet? : om type jord, pH, organisk materiale og bindingsstyrke i jorda påverkar opptaket av As, Cd, Ni, Pb og U i korn
(Master thesis, 2017)Somme jordbruksområde inneheld mykje alunskifer, ein bergart som gjev opphav til fruktbart jordsmonn, men det har høgare tungmetallkonsentrasjonar enn andre jordsmonn. Tungmetall kan vere skadelege for menneske, til dømes ... -
Changes in speciation and kinetics of Po-210 in produced water from oil industry when it is mixed with seawater
(Master thesis, 2017)Petroleum production on the Norwegian continental shelf is accompanied by the production of the largest by volume waste stream called produced water. Produced water discharged to the North Sea can contain elevated level ... -
Paleolimnologiske undersøkelser i innsjøene Floen og Bjørkelangen : sammenligning av sedimentkjerner for å undersøke i hvilken grad menneskelig aktivitet og klima har påvirket vannkvaliteten
(Master thesis, 2017)Tidligere resultater fra paleolimnologisk metode viser at flere innsjøer på Østlandet har en økning i trofi, som har økt i takt med menneskelig aktivitet og urbanisering i nedbørsfeltet. Denne hypotesen stemmer ikke for ... -
Historisk utvikling i vannkvalitet : paleolimnologiske undersøkelser i Tunevannet
(Master thesis, 2017)Paleolimnologiske undersøkelser kan bidra til å øke kunnskapsgrunnlaget for vurdering av vannkvalitet iht. vanndirektivet. Sedimentundersøkelser kan gi referansetilstand (”upåvirket” tilstand) og dagens tilstand i en og ... -
Paleolimnological investigation in Øvre Heimdalsvatn : natural and anthropogenic influences during the late holocene
(Master thesis, 2017)Knowledge-based water management requires a thorough understanding of previous lake conditions. Paleolimnological methods utilizes lake sediments as an important tool to obtain this knowledge. To gain a realistic view of ... -
«Don't feed Kea» : perceptions of feeding Kea (Nestor Notabilis) amongst visitors to Arthur's Pass, New Zealand
(Master thesis, 2017)The population status of Kea (Nestor Notabilis) was in 2017 changed from Vulnerable to Endangered on the IUCN Red List of Endangered Species after a rapid decline of 50-80% in the last three generations. Feeding of Kea is ...