Browsing NIVA-rapporter by Title
Now showing items 4-23 of 7029
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A Cost-effective Strategy for Pollution Abatement in the Hernad Catchment, Hungary
(NIVA-rapport;3355, Research report, 1996)The overall aims of this study are to elaborate tools for a more cost-effective and recipient oriented water management, and to conduct a specific abatement analysis in the Hernad catchment area. The Hernad river is ... -
A coulometric Gran titration method for the determination of strong and weak acids in freshwater
(NIVA-rapport;2019, Research report, 1987)A modefied Gran titration procedure for the determination of strong and weak acids in freshwater is described. The titrations are carried out by coulometric generation of hydroxide ions in the pH range 3.6-10.3. The method ... -
A literature study of human activities and pressures as well as ecosystem component layers available for Marine Spatial Planning and mapping of cumulative impacts in Swedish marine waters
(NIVA-rapport;6997, Research report, 2016)We report a literature study on the needs for and the availability of data layers required for evidence-based Marine Spatial Planning (MSP) as well as mapping of the potential cumulative effects of multiple human activities. ... -
A mesocoms experiment on the impacts of water- and olefin-based drill cuttings on benthic communities
(NIVA-rapport;5342, Research report, 2007)A three months simulated seabed experiment on water- and olefin-based drill cuttings has been performed at NIVAs Marine Research Station at Solbergstrand. Twelve box-core samples were transferred from 200 m depth in the ... -
A mesocosm experiment on methyl mercury formation after cappingof U-864 sediments enriched with powdered algae
(NIVA-rapport;6867, Research report, 2015)A mesocosm experiment was performed on methylation of mercury in marine sediments from the wreck site at Fedje. The mercury contaminated sediment was enriched with zero, low, medium or high dose of labile organic carbon ... -
A Preliminary Feasability Report on the Vacuum Filtration of Combined Septic Tank and Raw Sludge from the Bærum Community
(NIVA-rapport;0216, Research report, 1968) -
A proposal for an administrative set up of river basin management in the Sittaung River Basin
(NIVA-rapport;7103, Research report, 2016)The purpose of this report is to present a proposal for how an administrative approach based on River Basin Management can be implemented in Myanmar. The Sittaung River Basin has been used as an example area to investigate ... -
A review of the effects on aquatic ecosystems of acid iron waste from the production of titanium dioxide by the sulphate process
(NIVA-rapport;1458, Research report, 1983)Damaging effects of acid iron waste to biota have been demonstrated in the vicinity of coastal and estuarine outfalls. The toxic properties have been confirmed in laboratory studies with algae, invertebrates and fish. So ... -
A supplement to the application for financial aid the last year of research project. Third report concerning international atomic energy agency research contract
(NIVA-rapport;0043, Research report, 1961) -
A water development programme for Western Province, Zambia. A preliminary study
(NIVA-rapport;0914, Research report, 1977)Omhandler eksisterende vannforsyning i noen by- og landområder i Zambia med forslag til utbedringer. Forslag til opplæringsprosjekt for driftspersonale. -
A Water Pricing Study for the Republic of Zambia. Appendix III Summary of Technical Findings
(NIVA-rapport;1633, Research report, 1984)A technical survey of 14 water supply schemes has been carried out. Unreliable and insufficient water supply was found at several schemes. A low cost improvement programme has been proposed -
A water pricing study for the Republic of Zambia. Summary report
(NIVA-rapport;1591, Research report, 1983)Recommendation for an appropriate water tariff policy for the Republic of Zambia -
A Water Pricing Study for the Republic of Zambia. Volume One
(NIVA-rapport;1547, Research report, 1983)Recommendation for an appropriate water tariff policy for the Republic of Zambia -
A Water Pricing Study for the Republic of Zambia. Volume Two
(NIVA-rapport;1548, Research report, 1983)Recommendation for an appropriate water tariff policy for the Republic of Zambia -
A Water Pricing Study for the Republic of Zambia. Water Use and willingness to Pay Survey in Katete and Mumbwa. Appendix I
(NIVA-rapport;1545, Research report, 1983)Recommendation for an appropriate water tariff policy for the Republic of Zambia -
A Water Pricing Study for the Republic of Zamiba. Appendix II. Water use and Willingness to Pay Survey. Northern and Luapula Provinces
(NIVA-rapport;1571, Research report, 1983)Research in connection with recommendation for an appropriate water tariff policy for the Republic of Zambia -
A/S Bleikvassli Gruber Kontroll- og overvåkingsundersøkelser 1997
(NIVA-rapport;3874, Research report, 1998)Som i tidligere år er vannkvaliten i Bleikvatn tydelig påvirket av avgansdeponeringen i Kjøkkenbukta. Sinkkonsentrasjonene utenfor Smalsundet har økt noe i den perioden deponeringen har pågått, mens blykonsentrasjonene har ... -
A/S Bleikvassli Gruber. Kontroll- og overvåkingsundersøkelser 1995. (AS Bleikvassli mines. Monitoring 1995)
(NIVA-rapport;3436, Research report, 1996)Som i tidligere år er vannkvaliteten i Bleikvatn tydelig påvirket av utslipp fra gruvevirksomheten. Tungmetallkonsentrasjonene var noe lavere i 1995 enn i 1994. Spesielt var blykonsentrasjonene lavere. Dette settes i ... -
A/S Bleikvassli Gruber. Kontroll- og overvåkingsundersøkelser i resipientene for avgang og avrenning fra gruveområdet 1985.
(NIVA-rapport;1837, Research report, 1986)Deponeringen av avgang i Kjøkkenbukta gir merkbare effekter, i første rekke redusert siktedyp og forhøyde konsentrasjoner av tungmetaller i Kjøkkenbukta. Årstidsvariasjonene er store, noe som kan ha sammenheng med at ... -
A/S Bleikvassli gruber. Kontroll- og overvåkningsundersøkelser 1994
(NIVA-rapport;3297, Research report, 1995)Som i tidligere år er den fysisk/kjemisk vannkvalitet i Bleikvatn tydelig påvirket av avgangsdeponeringen. Påvirkningen er størst inne i deponiområdet i Kjøkkenbukta. Utenfor deponiområdet (utenfor Smalsundet) er ...