The Black Death (1349-1350 in Norway) is often cited as the cause of a severe population decline and building hiatus in the middle of the 14th century. This paper analyses this hypothesis by matching the Black Death with human and environmental impacts on tree-ring growth. The number of buildings...
Author(s)
Thun, T.; Svarva, H.
Publisher
Elsevier GmbH, München, Germany
Citation
Dendrochronologia, 2018, 47, pp 23-29
This study presents the results of dendrochronological and dendroclimatological research of Betula pubescens from four sites in northern Norway (Kvaløya Island, Tromsøya Island and Storelva Valley), which provided a 193-year chronology. Our results highlight the importance of the site selection in...
Author(s)
Opała, M.; Migała, K.; Owczarek, P.
Publisher
De Gruyter Open, Warsaw, Poland
Citation
Polish Polar Research, 2016, 37, 4, pp 457-476
Old trees are important for biodiversity, and the process of their identification is a critical process in their conservation. However, determining the tree age by core extraction, ring counts, and eventually, cross-dating by means of dendrochronology is labor-intensive and expensive. Here we...
Author(s)
Handegard, E.; Gjerde, I.; Bollandsås, O. M.; Storaunet, K. O.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Scandinavian Journal of Forest Research, 2021, 36, 7/8, pp 550-562
Results of the tree-ring dating of samples from the three Russian settlements of the 18th century (Bjornbeinflyene, Palffyodden, and Schonningholmane) at Svalbard are presented. The present study is a development of a previous work (Chochorowski and Krapiec, 2017). These stations were discovered...
Author(s)
Shumilov, O. I.; Kasatkina, E. A.; Krapiec, M.; Chochorowski, J.; Szychowska-Krapiec, E.
Publisher
Elsevier GmbH, Munich, Germany
Citation
Dendrochronologia, 2020, 62,
Sub-annual measurements, eight increments per year, of cellulose in a Scots pine tree growing in central Norway are presented as a proxy for tropospheric 14CO2 at biweekly to monthly resolution. The results are validated by comparison to direct atmospheric measurements in the years 1959-1965, and a ...
Author(s)
Svarva, H.; Grootes, P.; Seiler, M.; Stene, S.; Thun, T.; Værnes, E.; Nadeau, M. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Radiocarbon, 2019, 61, 6, pp 1765-1774
Despite the spatially homogenous summer temperature pattern in Fennoscandia, there are large spreads among the many existing reconstructions, resulting in an uncertainty in the timing and amplitude of past changes. Also, there has been a general bias towards northernmost Fennoscandia. In an attempt ...
Author(s)
Linderholm, H. W.; Björklund, J.; Seftigen, K.; Gunnarson, B. E.; Fuentes, M.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Climate Dynamics, 2015, 45, 3/4, pp 933-947
Long time series of primary production are rarely available, restricting our mechanistic understanding of vegetation and ecosystem dynamics under climate change. Dendrochronological tools are increasingly used instead, particularly in the Arctic-the world's most rapidly warming biome. Yet,...
Author(s)
Moullec, M. le; Buchwal, A.; Wal, R. van der; Sandal, L.; Hansen, B. B.
Publisher
Wiley, Oxford, UK
Citation
Journal of Ecology (Oxford), 2019, 107, 1, pp 436-451
Tree-ring maximum latewood density (MXD) records from Fennoscandia have been widely used to infer regional- and hemispheric-scale mean temperature variability. Here, we explore if MXD records can also be used to infer past variability of summer temperature extremes across Fennoscandia. The first...
Author(s)
Zhang Peng; Ionita, M.; Lohmann, G.; Chen DeLiang; Linderholm, H. W.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Climate Dynamics, 2017, 49, 7/8, pp 2721-2736
Nineteen Norwegian grain chests made of Scots pine (Pinus sylvestris L.) were analyzed by measuring tree-ring widths on photographs and scanned pictures. Seventeen of the chests were successfully dated by dendrochronology. Two of the dates are corrections of an earlier dating; the ages of these two ...
Author(s)
Thun, T.; Svarva, H.
Publisher
Elsevier GmbH, München, Germany
Citation
Dendrochronologia, 2016, 37, pp 89-95
Tundra vegetation dynamics are an excellent indicator of Arctic climate change. In many places in the Arctic, greening of tundra has been observed since the 1980s due to rapid increases in temperature. However, in some areas the opposite process has taken place in connection with a reduction in...
Author(s)
Owczarek, P.; Opała-Owczarek, M.; Migała, K.
Publisher
IOP Publishing Ltd, Bristol, UK
Citation
Environmental Research Letters, 2020, 16, 1,