Blar i NGU Open Archive på forfatter "Dumais, Marie-Andrée"
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A comparison of transportable and fixed calibration pads for airborne gamma-ray spectrometers
Watson, Robin.J.; Baranwal, Vikas.C.; Ofstad, Frode; Dumais, Marie-Andrée (NGU-Rapport (2024.016), Report, 2024)NGU owns and uses a set of transportable concrete calibration pads for calibration of its airborne gamma-ray spectrometers. The pads are principally designed for hand-held instruments, in contrast with larger fixed pads ... -
Coop Phase 2 Crustal Onshore-Offshore Project
Olesen, Odleiv; Baranwal, Vikas; Brönner, Marco; Dalsegg, Einar; Dumais, Marie-Andrée; Gellein, Jomar; Gernigon, Laurent; Heldal, Tom; Larsen, Bjørn Eskil; Lauritsen, Torleif; Lutro, Ole; Maystrenko, Yuriy; Nasuti, Aziz; Roberts, David; Rueslåtten, Håkon; Rønning, Jan Steinar; Slagstad, Trond; Solli, Arne; Stampolidis, Alexandros (NGU-Rapport (2015.063), Report, 2015)The Crustal Onshore-Offshore Project (Coop) is an integrated mapping and research project established to study the onshore-offshore relationships in the northeastern North Sea and Mid Norway. The Coop Phase 2 Report ... -
Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Byglandsfjorden area, Agder County
Ofstad, Frode; Kristiansen, Tom; Tassis, Georgios; Dumais, Marie-Andrée (NGU-Rapport (2022.014), Report, 2022)NGU conducted an airborne geophysical survey in Byglandsfjorden area, in Bygland, Åseral og Åmli municipalities in Agder County, as part of NGU’s general airborne mapping program. The data acquisition in Byglandsfjorden ... -
Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Selbusjøen area, Trøndelag County
Dumais, Marie-Andrée; Ofstad, Frode; Kristiansen, Tom; Mrope, Frida Mathayo (NGU-Rapport (2024.005), Report, 2024)NGU conducted an airborne geophysical survey in Selbusjøen area, in Klæbu, Trondheim, Malvik and Selbu municipalities in Trøndelag County, as part of NGU’s general airborne mapping program. The data acquisition was carried ... -
Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Verdal and Snåsa area, Trøndelag County
Ofstad, Frode; Dumais, Marie-Andrée; Tassis, Georgios; Wang, Ying (NGU-Rapport (2021.013), Report, 2022)This report describes and documents the acquisition, processing and visualization of the acquired datasets and presents them in maps. The geophysical survey consists of 8500 line-km data, covering an area of 1700 km2, ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Forollhogna area, Innlandet and Trøndelag Counties
Ofstad, Frode; Dumais, Marie-Andrée; Barnes, Pierre-Carl; Kristiansen, Tom; Mrope, Frida Mathayo (NGU-Rapport (2022.018), Report, 2023)NGU conducted an airborne geophysical survey in Forollhogna area, in Rennebu, Midtre Gauldal and Holtålen municipalities in Trøndelag County, and Tynset, Tolga and Os municipalities in Innlandet County, as part of NGU’s ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Nordland and Troms Counties
Ofstad, Frode; Dumais, Marie-Andrée; Wang, Ying; Tassis, Georgios (NGU-Rapport (2020.005), Report, 2020)NGU conducted an airborne geophysical survey in Kvæfjord area in July and August 2019.This report describes and documents the acquisition, processing and visualization of the recorded datasets. The geophysical survey results ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Okstindan and Røsvatnet area, Nordland county
Kristiansen, Tom; Stampolidis, Alexandros; Mrope, Frida Mathayo; Ofstad, Frode; Dumais, Marie-Andrée (NGU-Rapport (2022.012), Report, 2022)NGU conducted an airborne geophysical survey in Hemnes and Hattfjelldal municipalities, as part of NGU’s general airborne mapping program. The data acquisition in the Okstindan area was started and completed in August 2021. ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Røros area, Trøndelag county
Mrope, Frida Mathayo; Dumais, Marie-Andrée; Baranwal, Vikas Chand; Ofstad, Frode; Tassis, Georgios (NGU-Rapport (2021.024), Report, 2023)NGU conducted an airborne geophysical survey in Røros, Trøndelag county as part of NGU’s general airborne mapping program in 2020. This report describes and documents the acquisition, processing and visualization of the ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Trøndelag area, Trøndelag County
Mrope, Frida Mathayo; Stampolidis, Alexandros; Dumais, Marie-Andrée; Ofstad, Frode; Kristiansen, Tom; Tassis, Georgios (NGU-Rapport (2022.008), Report, 2022)NGU conducted an airborne geophysical survey in Stjørdal, Selbu, Malvik and Meråker municipalities, as part of NGU’s general airborne mapping program. This report describes and documents the acquisition, processing and ... -
Knipovich Ridge Aeromagnetic Survey 2016 : processing and interpretation
Dumais, Marie-Andrée; Olesen, Odleiv; Gernigon, Laurent; Brönner, Marco; Lim, Anna; Johansen, Ståle (NGU-Rapport (2020.030), Report, 2020)As an ultra-slow spreading ridge in an oblique system located between the Svalbard - Barents Sea and the Northeast Greenland rifted margins, the dynamics of the Knipovich Ridge opening has long been debated. Its 90-degree ... -
Proposal for a new national radon hazard map - Trøndelag test area - COOP Project
Lauritsen, Torleif; Slagstad, Trond; Olesen, Odleiv; Ofstad, Frode; Dumais, Marie-Andrée; Brönner, Marco (NGU-Rapport (2018.012), Report, 2019)This report describes the work done to produce a radon hazard map for the Trøndelag county. It is our judgement that the techniques and types of data utilized, may also be used for preparation of a new national radon hazard ... -
Reprocessing and compilation of radiometrics data from Finnmark and northern Troms
Dumais, Marie-Andrée (NGU-Rapport (2014.015), Report, 2014)As part of the MINN program (Mineral resources in North Norway), NGU needed a reprocessing of all radiometric data available from the Finnmark and northern Troms counties. It was also of interest to merge and compile these ...