Blar i NGU Open Archive på emneord "METODE"
Viser treff 1-20 av 59
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A turbidimetric method for the determination of small amounts of sulphur in limestone and dolomite.
(NGU (270), Journal article, 1971)It has been observed thaat on applying the combustion method to the determination of small amounts of sulphur in limestone and dolomite the bulk of sulphur may remain in the sample when no oxygen stream is used, and that ... -
Aktsomhetskart jord- og flomskred: Metodeutvikling og landsdekkende modellering
(NGU-Rapport (2014.019), Report, 2014)Denne tekniske rapporten beskriver metoden som ble utviklet for å utarbeide aktsomhetskart for jordskred og små og mellomstore flomskred i Norge. Rapporten oppsummerer metodeutviklingen, beskriver basisdataene, de utførte ... -
Aktsomhetskart steinsprang og jordskred for Askøy kommune; test av metoder på høgoppløselig terrengmodell
(NGU-Rapport (2010.007), Report, 2011)Aktsomhetskart for jordskred og steinsprang er utarbeid for Askøy kommune. Arbeidet er utført som metodeutprøving i samband med at NGU utarbeider aktsomhetskart med nasjonal dekning. For steinsprang er det benyttet samme ... -
An assessment of scale, sampling effort and confidence for maps based on visual and acoustic data in MAREANO
(NGU-Rapport (2015.043), Report, 2015)MAREANO has mapped Norwegian waters for ten years, and produced several map series at different scales addressing bathymetry, geology, biology and pollution. There has been an increasing demand to document the confidence ... -
Analyse av gull i vann. Metodebeskrivelse og resultater fra Raitevarre.
(NGU-Rapport (89.118), Report, 1989)Litteraturstudier har gitt rimelig forklaringer på hvordan gull kan mobili- seres i grunn- og overflatevann. Metoder for preparerings- og analyse- prosedyrer er vurdert, tilpasset og utprøvd med hell. Konsentrereing med ... -
Assessment Methodologies for Soil/Groundwater Contamination at Former Military Bases in Lithuania
(NGU-Rapport (96.146), Report, 1997)A total of 421 military units were built at 275 sites in Lithuania during the years of Soviet occupation. These units had an important influence on the environment of the country as many of the sites were contaminated by ... -
Assessment Methodologies for Soil/Groundwater Contamination at Former Military Bases in Lithuania. Part two: A Demonstration of Radiological Decommissioning for the Lithuanian Military Base: Pajuoste
(NGU-Rapport (96.147), Report, 1997)An international team consisting of scientists from the Geological Survey of Lithuania, the Geological Survey of Norway, the Canadian Department of National Defence and the Norwegian Defence Research Establishment were ... -
Assessment of AUV-borne acoustic and optical sensors for seabed and biotope mapping in MAREANO
(NGU-Rapport (2018.021), Report, 2018)MAREANO (NGU, Kartverket and HI) in collaboration with FFI conducted a survey using the autonomous underwater vessel (AUV) HUGIN HUS to assess the suitability and advantages of AUV-borne acoustic and optical tools for ... -
Bruk av kulemølle og micro-Deval for tilslagsmateriale til vegformål. En vurdering av kravspesifikasjonen.
(NGU-Rapport (2014.040), Report, 2014)Norges geologiske undersøkelse (NGU) har ved etablering og ajourhold av Grus-, pukk- og steintippdatabasen utført en rekke materialtekniske analyser, både etter gamle og nå nye felles europeiske metoder, som danner grunnlag ... -
Change in chemical composition of rock samples during preparation for analysis.
(NGU (300), Journal article, 1973)It has been shown that up to 3% of the volume of rock samples may escape as clust during their preparation (crushing and grinding) for chemical analysis. The mineral and chemical composition of the escaping rock dust may ... -
Circum-Arctic Mapping Project - Gravity and magnetic maps (CAMP - GM)
(NGU-Rapport (2009.010), Report, 2010)An international effort to compile Circum-Arctic geophysical and bedrock data has been conducted by several national agencies (Russia, Sweden, Finland, Denmark, USA, Canada, Germany and Norway). This project produced an ... -
Determination of major and trace elements in rocks employing optical emission spectroscopy and X-ray fluorescence.
(NGU (322), Journal article, 1975)An optical emission spectrometric method for major element determination and an X-ray fluorescence method for the determination of trace elements are described. The first method combines a tape machine with a direct reader ... -
Elektrisk metalsmelting. Forsøk og undersøkelser utført ved marinens torpedo- og minefabrik i samarbeide med Statens Raastofkomite
(NGU (104), Journal article, 1922)Preliminary tests have been gone through with: 1. Arcfurnaces. 2. Resistance- furnaces. 3. Inductionfurnaces. 4. Electrically heated crucibles. The last type was chosen for tests on a technical scale, two 200 lbs. furnaces ... -
Environmental Variability Index (EVI) - a MAREANO methods study for guidance of sampling effort
(NGU-Rapport (2015.027), Report, 2015)MAREANO is an interdisiplinary programme mapping Norwegian offshore bathymetry, geology, biology and geochemistry. Following bathymetric mapping by the Norwegian Hydrographic Service, biological and geological sampling are ... -
Et empirisk studium av "straight-slope lengden" ved tolkning av dyp til magnetisk grunnfjell, med forslag til korreksjonsfaktorer. (Forel.res.)
(NGU-Rapport (89.170), Report, 1990)Denne rapporten omhandler bruken av \"Straight Slope\" metoden for estimering av dyp til magnetisk grunnfjell anvendt på magnetiske profildata. Det er beregnet korreksjonsfaktorer for \"Straight Slope lengden\" (SS-lengden), ... -
Evaluation of alternative bathymetry data sources for MAREANO: A comparison of Olex bathymetry and multibeam data for substrate and biotope mapping
(NGU-Rapport (2012.030), Report, 2012)The MAREANO (Marine AREA database for NOrwegian waters) seabed mapping programme generates a wide range of products, including sediment and benthic biotope maps. Production of these maps relies heavily on full-coverage ... -
Evaluation of geophysical methods for the delineation of bedrock fractures - a case history from Utengen, Hvaler, southeastern Norway
(NGU Bulletin (427), Journal article, 1995) -
Evaluation of Underwater Hyperspectral Imagery (UHI) for MAREANO
(NGU-Rapport (2015.047), Report, 2016)As part of a method development initiative in the MAREANO seabed mapping programme (www.mareano.no) a pilot survey using Underwater Hyperspectral lmagery (UHI) was undertaken in Trondheimsfjorden during December 2014. ... -
Fotogeologi
(NGU (205), Journal article, 1959)The use of air photos for geological interpretation is described. A short introduction to photogrammetry is given, and the types of instruments useful for photogeology are mentioned.