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2023
1 Mathisen, Kjell Marius; Thun, Terje; Svarva, Helene Løvstrand.
Nye dendrokronologiske dateringer fra Gudbrandsdalen og Valdres. Årbok - Foreningen til norske fortidsminnesmerkers bevaring 2023 s. 229-241
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2 Rzadeczka-Juga, Izabela; Nadeau, Marie-Josee; Juga, Pjotr; Zurbach, Damaris Charlotte Marie; Grootes, Pieter M; Svarva, Helene Løvstrand; Seiler, Martin Thomas.
Unravelling the history of a venetian antiphonary. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2023 s. -
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3 Santos, Guaciara M.; Leong, Christopher A.; Grootes, Pieter Meiert; Seiler, Martin Thomas; Svarva, Helene Løvstrand; Nadeau, Marie-Josee.
RADIOCARBON STEP-COMBUSTION OXIDATION METHOD and FTIR ANALYSIS of TRONDHEIM CaCO<inf>3</inf>PRECIPITATES of ATMOSPHERIC CO<inf>2</inf>SAMPLES: FURTHER INVESTIGATIONS and INSIGHTS. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2023 s. 1-13
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4 Seiler, Martin Thomas; Grootes, Pieter M; Svarva, Helene Løvstrand; Nadeau, Marie-Josee.
The Radiocarbon Sample Archive of Trondheim. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2023 s. -
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5 Svarva, Helene Løvstrand.
Byggestansen på 1300-tallet. Nordisk dendrokonferanse 2023; 2023-10-18 - 2023-10-20
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6 Svarva, Helene Løvstrand.
Dendrochronology - methods and applications. BI8031; 2023-03-14
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7 Svarva, Helene Løvstrand.
Dendrokronologi på stavkirkene - metoder og resultater. Nordisk dendrokonferanse 2023; 2023-10-18 - 2023-10-20
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8 Svarva, Helene Løvstrand.
Karbondatering og dendrokronologi. UiB archaeology fieldcourse; 2023-04-13
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2022
9 Khumalo, Wendy Hlengiwe; Svarva, Helene Løvstrand; Zurbach, Damaris; Nadeau, Marie-Josee.
Squeaky clean cellulose for different applications. 24th Radiocarbon – 10th 14C & Archaeological International Conferences; 2022-09-10 - 2022-09-16
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10 Ljungqvist, Fredrik Charpentier; Seim, Andrea; Tegel, Willy; Krusic, Paul J.; Baittinger, Claudia; Belingard, Christelle; Bernabei, Mauro; Bonde, Niels; Borghaerts, Paul; Couturier, Yann; Crone, Anne; van Daalen, Sjoerd; Daly, Aoife; Doeve, Petra; Domínguez-Delmás, Marta; Edouard, Jean-Louis; Frank, Thomas; Ginzler, Christian; Grabner, Michael; Gschwind, Friederike M.; Haneca, Kristof; Hansson, Anton; Herzig, Franz; Heussner, Karl-Uwe; Hofmann, Jutta; Houbrechts, David; Kaczka, Ryszard J.; Kolář, Tomáš; Kontic, Raymond; Kyncl, Tomáš; Labbas, Vincent; Lagerås, Per; Le Digol, Yannick; Le Roy, Melaine; Leuschner, Hanns Hubert; Linderson, Hans; Ludlow, Francis; Marais, Axel; Mills, Coralie M.; Neyses-Eiden, Mechthild; Nicolussi, Kurt; Perrault, Christophe; Pfeifer, Klaus; Rybníček, Michal; Rzepecki, Andreas; Schmidhalter, Martin; Seifert, Mathias; Shindo, Lisa; Spyt, Barbara; Susperregi, Josué; Svarva, Helene Løvstrand; Thun, Terje; Walder, Felix; Ważny, Tomasz; Werthe, Elise; Westphal, Thorsten; Wilson, Rob; Büntgen, Ulf.
Regional Patterns of Late Medieval and Early Modern European Building Activity Revealed by Felling Dates. Frontiers in Ecology and Evolution 2022 ;Volum 9. s. -
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11 Nadeau, Marie-Josee; Petersen, Anna Helena; Sæhle, Ingeborg; Svarva, Helene Løvstrand; Seiler, Martin Thomas.
A case of mysterious identity: one of the earliest churches of medieval Trondheim, Norway. 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences; 2022-09-11 - 2022-09-16
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12 Nadeau, Marie-Josee; Zurbach, Damaris; Rzadeczka-Juga, Izabela; Opheim-Larsen, K; Svarva, Helene Løvstrand; Seiler, Martin Thomas.
Viking or hippie? A leather bag found in a bog in southern Norway. 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences; 2022-09-11 - 2022-09-16
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13 Rzadeczka-Juga, Izabela; Zurbach, Damaris; Juga, Pjotr; Nadeau, Marie-Josee; Svarva, Helene Løvstrand; Seiler, Martin Thomas; Grootes, Pieter Meiert.
Unraveling the history of a Venetian antiphonary. 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences; 2022-09-11 - 2022-09-16
MUS NTNU Untitled
 
14 Seiler, Martin; Rzadeczka-Juga, Izabela; Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Khumalo, Wendy; Nadeau, Marie-Josée.
Variation of 14C results from different samples in an archaeological context. 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences; 2022-09-11 - 2022-09-16
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15 Seiler, Martin; Svarva, Helene Løvstrand; Khumalo, Wendy.
Radioaktivitet som datostempel – bli med på radiokarbonlaboratoriet. Researchers' Night 2022; 2022-09-30
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16 Svarva, Helene Løvstrand.
Dendrokronologi - metode og anvendelse. Fagdag dendrokronologi; 2022-09-28 - 2022-09-29
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17 Svarva, Helene Løvstrand.
Dendrokronologi: Metode - anvendelse. Kurs i dendro-undersøking; 2022-08-25 - 2022-08-26
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18 Svarva, Helene Løvstrand; Grootes, P M; Seiler, Martin; Nadeau, Marie-Josee.
Sub-annual 14C in Norwegian trees for the period 1951-1965 - influence by location?. 24th Radiocarbon Conference. 10th 14C & Archaeology Conference; 2022-09-11 - 2022-09-16
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2021
19 Seiler, Martin; Svarva, Helene Løvstrand.
Fra utgraving til laboratoriet: Datering av arkeologiske gjenstander. Researchers' night 2021; 2021-09-24
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20 Seiler, Martin; Svarva, Helene Løvstrand.
14C datering og dendrokronologi. Lærerutdanning studier; 2021-11-02 - 2021-11-02
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21 Seiler, Martin; Svarva, Helene Løvstrand; Nadeau, Marie-Josée.
Radiocarbon Measurement of Precipitated Atmospheric Samples from 1960-1980. 3rd International Radiocarbon in the Environment Conference; 2021-07-05 - 2021-07-09
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22 Svarva, Helene Løvstrand.
Karbondatering - prøveuttak, forbehandling og resultater. Feltarkeologi masterstudenter UiB; 2021-04-23 - 2021-04-23
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23 Svarva, Helene Løvstrand.
Klimarekonstruksjon og proveniens av gammelt bygningsmateriale fra Vestlandet. I: Årbok 2020 fra Det Kongelige Norske Videnskabers Selskab. Norge: Skipnes Kommunikasjon AS 2021 ISBN 978-82-93175-64-3.
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24 Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Nadeau, Marie-Josée.
Modelling the contribution of carbon sources from sub-annual 14C measurements in tree rings. 3rd International Radiocarbon in the Environment Conference; 2021-07-05 - 2021-07-09
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25 Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Zurbach, Damaris; Nadeau, Marie-Josée.
Cleaning efficiency of cellulose pretreatment for high-precision radiocarbon measurements. The 15th Iinternational Conference on Accelerator Mass Spectrometry; 2021-11-15 - 2021-11-19
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26 Thun, Terje; Svarva, Helene Løvstrand.
Dendrokronolgi - metode og anvendelse. Kunsthistorie studier; 2021-09-28 - 2021-09-28
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2020
27 Svarva, Helene Løvstrand.
Årringer og klima. Fagdag på Melhus Prestegårdslåna; 2020-09-04 - 2020-09-04
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2019
28 Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi; Svarva, Helene Løvstrand; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée.
Status Report of the Trondheim Radiocarbon Laboratory. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2019 ;Volum 61.(6) s. 1963-1972
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29 Seiler, Martin; Svarva, Helene Løvstrand; Værnes, Einar; Nadeau, Marie-Josée.
Hvor gammelt er egentlig materialet? – Besøk radiokarbonlaboratoriet. Researchers' Night 2019; 2019-09-27 - 2019-09-27
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30 Svarva, Helene Løvstrand.
National Laboratory for Age Determination. Torsdagsseminar Naturhistorie; 2019-11-21 - 2019-11-21
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31 Svarva, Helene Løvstrand.
Radiocarbon in the atomic age. Kvikklunsj; 2019-09-16 - 2019-09-16
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32 Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée.
The 1953-1965 rise in atmospheric bomb 14C in central Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2019 ;Volum 61.(6) s. 1765-1774
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33 Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée.
Radiocarbon calibration around AD 1900 from Scots pine (Pinus sylvestris) tree rings from northern Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research 2019 ;Volum 61.(6) s. 1775-1784
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34 Svarva, Helene Løvstrand; Thun, Terje; Arntsen, Øyvind.
Historisk klimakrise og årringer. Museum NRK P2 [Radio] 2019-10-12
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35 Tveter, Nina Elisabeth; Nilsen, Kjersti; Thun, Terje; Svarva, Helene Løvstrand.
Stavkirkene i Norge er eldre enn antatt. Gemini [Fagblad] 2019-10-31
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2018
36 Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi; Svarva, Helene Løvstrand; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée.
Status Report of the Trondheim Radiocarbon Laboratory. 23rd International Radiocarbon Conference; 2018-06-17 - 2018-06-22
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37 Svarva, Helene Løvstrand.
The annual rings of trees. Medlemsmøte Norsk Botanisk Forening Trøndelagsavdelinga; 2018-11-05 - 2018-11-05
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38 Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar.
Radiocarbon calibration around 1900 AD and a Scots pine tree (Pinus Sylvestris L.) from Northern Norway. 23rd International Radiocarbon Conference; 2018-06-17 - 2018-06-22
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39 Svarva, Helene Løvstrand; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar; Grootes, Pieter Meiert.
The 1952-1965 rise in atmospheric bomb 14C in a Trondheim tree. 23rd International Radiocarbon Conference; 2018-06-17 - 2018-06-22
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40 Svarva, Helene Løvstrand; Thun, Terje.
Dendrokronologisk analyse av kornkistene i Romsdal. I: Fra samlingene. Molde: Romsdalsmuseet 2018 ISBN 978-82-90251-96-8.
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41 Svarva, Helene Løvstrand; Thun, Terje; Kirchhefer, Andreas; Nesje, Atle.
Little Ice Age summer temperatures in Western Norway from a 700-year tree-ring chronology. The Holocene 2018 ;Volum 28.(10) s. 1609-1622
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42 Thun, Terje; Svarva, Helene Løvstrand.
Tree-ring growth shows that the significant population decline in Norway began before the Black Death. Dendrochronologia 2018 ;Volum 47. s. 23-29
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43 Værnes, Einar; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin; Stene, Sølvi; Svarva, Helene Løvstrand; Thun, Terje.
δ13C measurements on HOxII reduced by TOR. 23rd International Radiocarbon Conference; 2018-06-17 - 2018-06-22
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2017
44 Svarva, Helene Løvstrand.
Dendroclimatology in western Norway. EuroDendro 2017; 2017-09-06 - 2017-09-10
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45 Svarva, Helene Løvstrand.
600 years of summer temperatures in western Norway. Kvikklunsj; 2017-11-27 - 2017-11-27
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46 Svarva, Helene Løvstrand; Nadeau, Marie-Josée.
An inconsistency in the radiocarbon calibration curve around 1900 AD and its relevance to the estimation of marine reservoir ages for the Norwegian Sea. 2nd Radiocarbon in the Environment Conference; 2017-07-03 - 2017-07-07
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47 Svarva, Helene Løvstrand; Thun, Terje.
Climate signals in tree rings from Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies Karst.) in southern and central Norway. EuroDendro2017; 2017-09-06 - 2017-09-10
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2016
48 Svarva, Helene Løvstrand; Anjar, Johanna; Larsen, Eiliv; Nadeau, Marie-Josée; Seiler, Martin; Værnes, Einar.
Trondheim radiocarbon laboratory - performance results and future plans.. 32nd Nordic Geological Winter Meeting; 2016-01-13 - 2016-01-15
NGU NTNU Untitled
 
49 Svarva, Helene Løvstrand; Thun, Terje.
Climate signals in tree-rings from the Norwegian stave churches. 32nd Nordic Geological Winter Meeting; 2016-01-13 - 2016-01-15
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50 Thun, Terje; Stornes, Jan Michael; Bartholin, Thomas Seip; Svarva, Helene Løvstrand.
Dendrochronology brings new life to the stave churches. Dating and material analysis. I: Preserving the stave churches. Craftmanship and research. Pax Forlag 2016 ISBN 978-82-75-74113-2. s. 91-116
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