Blar i Published externally på forfatter "Haanes, Hallvard"
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Distribution of natural and anthropogenic radionuclides in sediments from the Vefsnfjord, Norway
Heldal, Hilde Elise; Helvik, Lena; Haanes, Hallvard; Volynkin, Andrey Sergeevich; Jensen, Henning; Lepland, Aivo (Peer reviewed; Journal article, 2021)Areas in central Norway were heavily contaminated with fallout from the Chernobyl accident in 1986. In this study, we assess 137Cs in surface sediments and sediment cores collected in the Vefsnfjord in Nordland county. ... -
Geochronology of sediment cores from the Vefsnfjord, Norway
Heldal, Hilde Elise; Helvik, Lena; Appleby, Peter G.; Haanes, Hallvard; Volynkin, Andrey Sergeevich; Jensen, Henning; Lepland, Aivo (Peer reviewed; Journal article, 2021)The sedimentary environment is a repository and carrier for a variety of pollutants, and sediment transport from land to coastal areas is an important environmental process. In the present study, we use 210Pb/226Ra and ... -
Increased barium levels in recent marine sediments from the Norwegian and Barents Seas suggest impact of hydrocarbon drilling and production
Haanes, Hallvard; Jensen, Henning; Lepland, Aivo; Heldal, Hilde Elise (Peer reviewed; Journal article, 2023)Barium (Ba) in recent marine sediments can originate from natural and anthropogenic sources including discharges from the oil and gas industry. In this study, we use data from the Norwegian and Barents Seas to assess whether ...