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  1. Employees

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Norsk

Helene Løvstrand Svarva

Helene Løvstrand Svarva

Associate Professor
NTNU University Museum

helene.svarva@ntnu.no
+4773593307 +4745616923 Gamle fysikk, 164A, Gløshaugen, Sem Sælands vei 5
Publications Media

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2023

  • Rzadeczka-Juga, Izabela; Nadeau, Marie-Josee; Juga, Pjotr; Zurbach, Damaris; Grootes, Pieter M; Svarva, Helene Løvstrand. (2023) Unravelling the history of a venetian antiphonary. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Seiler, Martin Thomas; Grootes, Pieter M; Svarva, Helene Løvstrand; Nadeau, Marie-Josee. (2023) The Radiocarbon Sample Archive of Trondheim. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article

2022

  • Ljungqvist, Fredrik Charpentier; Seim, Andrea; Tegel, Willy; Krusic, Paul J.; Baittinger, Claudia; Belingard, Christelle. (2022) Regional Patterns of Late Medieval and Early Modern European Building Activity Revealed by Felling Dates. Frontiers in Ecology and Evolution
    Academic article

2021

  • Svarva, Helene Løvstrand. (2021) Klimarekonstruksjon og proveniens av gammelt bygningsmateriale fra Vestlandet.
    Popular scientific chapter/article

2019

  • Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar. (2019) The 1953-1965 rise in atmospheric bomb 14C in central Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée. (2019) Radiocarbon calibration around AD 1900 from Scots pine (Pinus sylvestris) tree rings from northern Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi. (2019) Status Report of the Trondheim Radiocarbon Laboratory. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article

2018

  • Thun, Terje; Svarva, Helene Løvstrand. (2018) Tree-ring growth shows that the significant population decline in Norway began before the Black Death. Dendrochronologia
    Academic article
  • Svarva, Helene Løvstrand; Thun, Terje; Kirchhefer, Andreas; Nesje, Atle. (2018) Little Ice Age summer temperatures in Western Norway from a 700-year tree-ring chronology. The Holocene
    Academic article
  • Svarva, Helene Løvstrand; Thun, Terje. (2018) Dendrokronologisk analyse av kornkistene i Romsdal.
    Popular scientific chapter/article

2016

  • Thun, Terje; Stornes, Jan Michael; Bartholin, Thomas Seip; Svarva, Helene Løvstrand. (2016) Dendrochronology brings new life to the stave churches. Dating and material analysis. Pax Forlag
    Academic chapter/article/Conference paper
  • Thun, Terje; Stornes, Jan Michael; Bartholin, Thomas Seip; Svarva, Helene Løvstrand. (2016) Dendrokronologi gir stavkirkene nytt liv. Datering og materialanalyse. Pax Forlag
    Academic chapter/article/Conference paper
  • Thun, Terje; Svarva, Helene Løvstrand. (2016) Dendrochronological analysis of 19 Norwegian grain chests. Dendrochronologia
    Academic article

2015

  • Nadeau, Marie-Josée; Værnes, Einar; Svarva, Helene Løvstrand; Larsen, Eiliv; Gulliksen, Steinar; Klein, Matthias. (2015) Status of the "new" AMS facility in Trondheim. Nuclear Instruments and Methods in Physics Reseach B
    Academic article
  • Cook, Edward R.; Saeger, Richard; Kushnir, Yochanan; Briffa, Keith R.; Büntgen, Ulf; Frank, David. (2015) Old World megadroughts and pluvials during the Common Era. Science Advances
    Academic article

Journal publications

  • Rzadeczka-Juga, Izabela; Nadeau, Marie-Josee; Juga, Pjotr; Zurbach, Damaris; Grootes, Pieter M; Svarva, Helene Løvstrand. (2023) Unravelling the history of a venetian antiphonary. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Seiler, Martin Thomas; Grootes, Pieter M; Svarva, Helene Løvstrand; Nadeau, Marie-Josee. (2023) The Radiocarbon Sample Archive of Trondheim. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Ljungqvist, Fredrik Charpentier; Seim, Andrea; Tegel, Willy; Krusic, Paul J.; Baittinger, Claudia; Belingard, Christelle. (2022) Regional Patterns of Late Medieval and Early Modern European Building Activity Revealed by Felling Dates. Frontiers in Ecology and Evolution
    Academic article
  • Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar. (2019) The 1953-1965 rise in atmospheric bomb 14C in central Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée. (2019) Radiocarbon calibration around AD 1900 from Scots pine (Pinus sylvestris) tree rings from northern Norway. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi. (2019) Status Report of the Trondheim Radiocarbon Laboratory. Radiocarbon: An International Journal of Cosmogenic Isotope Research
    Academic article
  • Thun, Terje; Svarva, Helene Løvstrand. (2018) Tree-ring growth shows that the significant population decline in Norway began before the Black Death. Dendrochronologia
    Academic article
  • Svarva, Helene Løvstrand; Thun, Terje; Kirchhefer, Andreas; Nesje, Atle. (2018) Little Ice Age summer temperatures in Western Norway from a 700-year tree-ring chronology. The Holocene
    Academic article
  • Thun, Terje; Svarva, Helene Løvstrand. (2016) Dendrochronological analysis of 19 Norwegian grain chests. Dendrochronologia
    Academic article
  • Nadeau, Marie-Josée; Værnes, Einar; Svarva, Helene Løvstrand; Larsen, Eiliv; Gulliksen, Steinar; Klein, Matthias. (2015) Status of the "new" AMS facility in Trondheim. Nuclear Instruments and Methods in Physics Reseach B
    Academic article
  • Cook, Edward R.; Saeger, Richard; Kushnir, Yochanan; Briffa, Keith R.; Büntgen, Ulf; Frank, David. (2015) Old World megadroughts and pluvials during the Common Era. Science Advances
    Academic article

Part of book/report

  • Svarva, Helene Løvstrand. (2021) Klimarekonstruksjon og proveniens av gammelt bygningsmateriale fra Vestlandet.
    Popular scientific chapter/article
  • Svarva, Helene Løvstrand; Thun, Terje. (2018) Dendrokronologisk analyse av kornkistene i Romsdal.
    Popular scientific chapter/article
  • Thun, Terje; Stornes, Jan Michael; Bartholin, Thomas Seip; Svarva, Helene Løvstrand. (2016) Dendrochronology brings new life to the stave churches. Dating and material analysis. Pax Forlag
    Academic chapter/article/Conference paper
  • Thun, Terje; Stornes, Jan Michael; Bartholin, Thomas Seip; Svarva, Helene Løvstrand. (2016) Dendrokronologi gir stavkirkene nytt liv. Datering og materialanalyse. Pax Forlag
    Academic chapter/article/Conference paper

Media

2023

  • Academic lecture
    Svarva, Helene Løvstrand. (2023) Dendrokronologi på stavkirkene - metoder og resultater. Arendal Fylkeskommune Nordisk dendrokonferanse 2023 2023-10-18 - 2023-10-20
  • Academic lecture
    Svarva, Helene Løvstrand. (2023) Byggestansen på 1300-tallet. Arendal Fylkeskommune Nordisk dendrokonferanse 2023 2023-10-18 - 2023-10-20
  • Lecture
    Svarva, Helene Løvstrand. (2023) Karbondatering og dendrokronologi. Universitetet i Bergen UiB archaeology fieldcourse 2023-04-13 -
  • Lecture
    Svarva, Helene Løvstrand. (2023) Dendrochronology - methods and applications. Institutt for Biologi NTNU BI8031 2023-03-14 -

2022

  • Popular scientific lecture
    Seiler, Martin; Svarva, Helene Løvstrand; Khumalo, Wendy. (2022) Radioaktivitet som datostempel – bli med på radiokarbonlaboratoriet. NTNU Researchers' Night 2022 , Trondheim 2022-09-30 -
  • Academic lecture
    Nadeau, Marie-Josee; Petersen, Anna Helena; Sæhle, Ingeborg; Svarva, Helene Løvstrand; Seiler, Martin Thomas. (2022) A case of mysterious identity: one of the earliest churches of medieval Trondheim, Norway. Laboratory for Ion Beam Physics, ETH Zürich 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences , Zürich 2022-09-11 - 2022-09-16
  • Poster
    Nadeau, Marie-Josee; Zurbach, Damaris; Rzadeczka-Juga, Izabela; Opheim-Larsen, K; Svarva, Helene Løvstrand; Seiler, Martin Thomas. (2022) Viking or hippie? A leather bag found in a bog in southern Norway. Laboratory for Ion Beam Physics, ETH Zürich 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences , Zürich 2022-09-11 - 2022-09-16
  • Poster
    Khumalo, Wendy Hlengiwe; Svarva, Helene Løvstrand; Zurbach, Damaris; Nadeau, Marie-Josee. (2022) Squeaky clean cellulose for different applications. 24th Radiocarbon – 10th 14C & Archaeological International Conferences 2022-09-10 - 2022-09-16
  • Poster
    Seiler, Martin; Rzadeczka-Juga, Izabela; Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Khumalo, Wendy; Nadeau, Marie-Josée. (2022) Variation of 14C results from different samples in an archaeological context. Laboratory for Ion Beam Physics, ETH Zürich 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences , Zürich 2022-09-11 - 2022-09-16
  • Academic lecture
    Svarva, Helene Løvstrand; Grootes, P M; Seiler, Martin; Nadeau, Marie-Josee. (2022) Sub-annual 14C in Norwegian trees for the period 1951-1965 - influence by location?. ETH 24th Radiocarbon Conference. 10th 14C & Archaeology Conference , Zurich 2022-09-11 - 2022-09-16
  • Lecture
    Svarva, Helene Løvstrand. (2022) Dendrokronologi - metode og anvendelse. Karmøy kommune Fagdag dendrokronologi , Skudeneshavn 2022-09-28 - 2022-09-29
  • Lecture
    Svarva, Helene Løvstrand. (2022) Dendrokronologi: Metode - anvendelse. Valdres Folkemuseum Kurs i dendro-undersøking , Valdres 2022-08-25 - 2022-08-26
  • Academic lecture
    Rzadeczka-Juga, Izabela; Zurbach, Damaris; Juga, Pjotr; Nadeau, Marie-Josee; Svarva, Helene Løvstrand; Seiler, Martin Thomas. (2022) Unraveling the history of a Venetian antiphonary. Laboratory for Ion Beam Physics, ETH Zürich 24th Radiocarbon and 10th Radiocarbon & Archaeology Conferences , Zürich 2022-09-11 - 2022-09-16

2021

  • Lecture
    Thun, Terje; Svarva, Helene Løvstrand. (2021) Dendrokronolgi - metode og anvendelse. Kunsthistorie studier 2021-09-28 - 2021-09-28
  • Academic lecture
    Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Nadeau, Marie-Josée. (2021) Modelling the contribution of carbon sources from sub-annual 14C measurements in tree rings. Institute of Physics – Centre for Science and Education at S 3rd International Radiocarbon in the Environment Conference 2021-07-05 - 2021-07-09
  • Lecture
    Seiler, Martin; Svarva, Helene Løvstrand. (2021) 14C datering og dendrokronologi. Lærerutdanning studier 2021-11-02 - 2021-11-02
  • Poster
    Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Zurbach, Damaris; Nadeau, Marie-Josée. (2021) Cleaning efficiency of cellulose pretreatment for high-precision radiocarbon measurements. The Australian Nuclear Science and Technology Organisation The 15th Iinternational Conference on Accelerator Mass Spectrometry 2021-11-15 - 2021-11-19
  • Lecture
    Svarva, Helene Løvstrand. (2021) Karbondatering - prøveuttak, forbehandling og resultater. UiB Feltarkeologi masterstudenter UiB 2021-04-23 - 2021-04-23
  • Academic lecture
    Seiler, Martin; Svarva, Helene Løvstrand; Nadeau, Marie-Josée. (2021) Radiocarbon Measurement of Precipitated Atmospheric Samples from 1960-1980. Institute of Physics - Silesian University of Technology 3rd International Radiocarbon in the Environment Conference , Gliwice/online 2021-07-05 - 2021-07-09
  • Popular scientific lecture
    Seiler, Martin; Svarva, Helene Løvstrand. (2021) Fra utgraving til laboratoriet: Datering av arkeologiske gjenstander. NTNU Researchers' night 2021 , Trondheim 2021-09-24 -

2020

  • Popular scientific lecture
    Svarva, Helene Løvstrand. (2020) Årringer og klima. Prestegårdslåna ved Kristine Kaasa Moe Fagdag på Melhus Prestegårdslåna , Prestegårdslåna på Melhus, Trøndelag 2020-09-04 - 2020-09-04

2019

  • Interview
    Tveter, Nina Elisabeth; Nilsen, Kjersti; Thun, Terje; Svarva, Helene Løvstrand. (2019) Stavkirkene i Norge er eldre enn antatt. Gemini Gemini [Business/trade/industry journal] 2019-10-31
  • Interview
    Svarva, Helene Løvstrand; Thun, Terje; Arntsen, Øyvind. (2019) Historisk klimakrise og årringer. Museum NRK P2 Museum NRK P2 [Radio] 2019-10-12
  • Popular scientific lecture
    Seiler, Martin; Svarva, Helene Løvstrand; Værnes, Einar; Nadeau, Marie-Josée. (2019) Hvor gammelt er egentlig materialet? – Besøk radiokarbonlaboratoriet. NTNU Researchers' Night 2019 , Trondheim 2019-09-27 - 2019-09-27
  • Lecture
    Svarva, Helene Løvstrand. (2019) National Laboratory for Age Determination. NTNU Vitenskapsmuseet Torsdagsseminar Naturhistorie 2019-11-21 - 2019-11-21
  • Lecture
    Svarva, Helene Løvstrand. (2019) Radiocarbon in the atomic age. NTNU Vitenskapsmuseet Kvikklunsj 2019-09-16 - 2019-09-16

2018

  • Popular scientific lecture
    Svarva, Helene Løvstrand. (2018) The annual rings of trees. Norsk Botanisk Forening Trøndelagsavdelinga Medlemsmøte Norsk Botanisk Forening Trøndelagsavdelinga 2018-11-05 - 2018-11-05
  • Poster
    Værnes, Einar; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin. (2018) δ13C measurements on HOxII reduced by TOR. NTNU Vitenskapsmuseet 23rd International Radiocarbon Conference , Trondheim 2018-06-17 - 2018-06-22
  • Poster
    Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi. (2018) Status Report of the Trondheim Radiocarbon Laboratory. Nasjonallaboratoriene for datering, NTNU 23rd International Radiocarbon Conference , Trondheim 2018-06-17 - 2018-06-22
  • Academic lecture
    Svarva, Helene Løvstrand; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin; Stene, Sølvi. (2018) The 1952-1965 rise in atmospheric bomb 14C in a Trondheim tree. NTNU 23rd International Radiocarbon Conference , Trondheim 2018-06-17 - 2018-06-22
  • Poster
    Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Nadeau, Marie-Josée; Seiler, Martin. (2018) Radiocarbon calibration around 1900 AD and a Scots pine tree (Pinus Sylvestris L.) from Northern Norway. NTNU 23rd International Radiocarbon Conference , Trondheim 2018-06-17 - 2018-06-22

2017

  • Popular scientific lecture
    Svarva, Helene Løvstrand. (2017) 600 years of summer temperatures in western Norway. NTNU Vitenskapsmuseet Kvikklunsj , Kalvskinnet 2017-11-27 - 2017-11-27
  • Poster
    Svarva, Helene Løvstrand; Thun, Terje. (2017) Climate signals in tree rings from Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies Karst.) in southern and central Norway. University of Tartu EuroDendro2017 , Tartu 2017-09-06 - 2017-09-10
  • Academic lecture
    Svarva, Helene Løvstrand. (2017) Dendroclimatology in western Norway. University of Tartu EuroDendro 2017 , Tartu 2017-09-06 - 2017-09-10
  • Poster
    Svarva, Helene Løvstrand; Nadeau, Marie-Josée. (2017) An inconsistency in the radiocarbon calibration curve around 1900 AD and its relevance to the estimation of marine reservoir ages for the Norwegian Sea. MTA Atomki Debrecen 2nd Radiocarbon in the Environment Conference , Debrecen 2017-07-03 - 2017-07-07

2016

  • Poster
    Svarva, Helene Løvstrand; Anjar, Johanna; Larsen, Eiliv; Nadeau, Marie-Josée; Seiler, Martin; Værnes, Einar. (2016) Trondheim radiocarbon laboratory - performance results and future plans. The Geological Society of Finland 32nd Nordic Geological Winter Meeting , Helsinki 2016-01-13 - 2016-01-15
  • Poster
    Svarva, Helene Løvstrand; Thun, Terje. (2016) Climate signals in tree-rings from the Norwegian stave churches. The Geological Society of Finland 32nd Nordic Geological Winter Meeting , Helsinki 2016-01-13 - 2016-01-15

2014

  • Popular scientific lecture
    Svarva, Helene Løvstrand. (2014) Furuskogen som "gjenoppstod" i Jotunheimen. Norsk Botanisk Forening Medlemsmøte Norsk Botanisk Forening , Suhmhuset, NTNU Vitenskapsmuseet 2014-10-06 - 2014-10-06
  • Lecture
    Nadeau, Marie-Josée; Vaernes, Einar; Svarva, Helene Løvstrand; Larsen, Eiliv; Gulliksen, Steinar; Klein, Matthias. (2014) Status of the “new” AMS facility in Trondheim. AMS 13th International Conference , Aix-en-Provence 2014-08-24 - 2014-08-29
  • Lecture
    Svarva, Helene Løvstrand. (2014) Karbon-14 datering. Museumsnettverket for tradisjonelt håndverk Bygningsvernkongressen 2014 , Norsk folkemuseum, Oslo 2014-09-03 - 2014-09-05

2013

  • Academic lecture
    Svarva, Helene Løvstrand. (2013) Dendroklimatologi i Norge: Klimatisk informasjon i årringer fra gran og furu. NTNU Vitenskapsmuseet Kvikklunsj , Suhmhuset 2013-09-27 - 2013-09-27
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