Claudia Baittinger

Claudia Baittinger
  • Curator at The National Museum of Denmark

About

38
Publications
22,857
Reads
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1,809
Citations
Current institution
The National Museum of Denmark
Current position
  • Curator
Additional affiliations
January 2001 - present
The National Museum of Denmark
Position
  • Curator

Publications

Publications (38)
Article
Full-text available
With ongoing global warming, increasing water deficits promote physiological stress on forest ecosystems with negative impacts on tree growth, vitality, and survival. How individual tree species will react to increased drought stress is therefore a key research question to address for carbon accounting and the development of climate change mitigati...
Article
growth rings during the mid-sixth century due to drastic climate changes caused by two or more large volcanic eruptions in AD 536 and AD 539/540. We explored the influence of these climate changes on tree-ring growth and felling activity of Danish oak trees (Quercus sp.) between AD 300 and AD 800. In total, 654 wooden samples from archaeological ex...
Article
Tree-ring chronologies around the Northern Hemisphere have revealed the formation of extremely narrow growth rings during the mid-sixth century due to drastic climate changes caused by two or more large volcanic eruptions in AD 536 and AD 539/540. We explored the influence of these climate changes on tree-ring growth and felling activity of Danish...
Article
Full-text available
The future performance of the widely abundant European beech (Fagus sylvatica L.) across its ecological amplitude is uncertain. Although beech is considered drought-sensitive and thus negatively affected by drought events, scientific evidence indicating increasing drought vulnerability under climate change on a cross-regional scale remains elusive....
Article
This study investigates solar variability between 650 CE and 1900 based on new and published ¹⁴C records with a time resolution of two years or higher. The new high-resolution ¹⁴C data presented here are derived from Danish oak and span the period 1058–1250 CE. We determine the durations of past solar minima and periods with moderate solar activity...
Article
Full-text available
It is often argued that the repetitive removal of branches to improve the quantity and the quality of wood, i.e. woodland management, has been practiced in Europe from the Mesolithic and/or Neolithic onwards. The Neolithic pile dwelling of Alvastra in Sweden has been mentioned in textbooks as a classical example of this practice. The conclusion abo...
Article
Full-text available
Although variations in building activity are a useful indicator of societal well-being and demographic development, historical datasets for larger regions and longer periods are still rare. Here, we present 54,045 annually precise dendrochronological felling dates from historical construction timber from across most of Europe between 1250 and 1699...
Article
Full-text available
Viking Age ring fortresses were some of the largest construction projects in Danish prehistory. In this article we reconstruct the amount of turf and timber used in the construction of the Borgring ring fortress and estimate the resource area needed to supply the building materials. Using REVEALS pollen data modelling, we quantify the regional oak...
Article
We present a new biennial record of radiocarbon ( ¹⁴ C) measured in Danish oak. The new record covers the years 1251–1378 CE, thereby spanning the Grand Solar Minimum known as the Wolf Minimum. Two oak samples from every other year were measured at the AMS facility at Aarhus University (Denmark), resulting in an average precision of 1.4‰ for the re...
Article
Single-year measurements of radiocarbon ( ¹⁴ C) in tree rings have led to the discovery of rapid cosmic-ray events as well as longer lasting anomalies, which have given new insights into the Sun’s behavior in the past. Here, we present two new single-year ¹⁴ C records based on Danish oak that span the periods AD 692–790 and 966–1057, respectively,...
Article
It is often presumed that woodland management, i.e. pollarding and coppicing, was practised in prehistory, but the precise beginning and the details of such practices in the past are unknown. This is because, in contrast to historical times, from which written and iconographic sources are available, prehistoric archaeological sites rarely yield dir...
Presentation
Full-text available
Alvastra, a Neolithic wetland site in Sweden, is sometimes presented as an example of a site where people practiced coppicing in the Neolithic. On which evidence is this hypothesis based, and what do the wood data tell when we look at these from a new perspective?
Chapter
Full-text available
Hvor gammelt er det? Det er normalt det første spørgsmål der stilles i forbindelse med en bygnings-arkæologisk undersøgelse. Det var nu ikke det spørgsmål, der blev stillet, da det blev besluttet at gennemføre dendrokronologiske undersøgelser (årringsdateringer) i gamle huse i Hidra. Ifølge traditionen er flere huse flyttet til herredet fra for eks...
Article
Full-text available
Several aspects concerning the origin and nature of grand solar minima remain unclear, and more high‐resolution ¹⁰Be and ¹⁴C records are needed to improve our understanding of these phenomena. Here, we report 137 new high‐precision, annually resolved radiocarbon concentrations based on oak from the Danish dendrochronology. The new record covers a p...
Article
Using a combination of microscopic examination and electronic scanning and printing, we analyzed the impacts of early spring snow cover extent and temperature during the growing season on the annual radial growth in arctic willow (Salix arctica Pallas) in the Zackenberg valley, High Arctic Northeast Greenland. So far, only little dendroclimatologic...
Poster
Full-text available
Wood used in construction and boat building, in domestic productions or as a fuel resource in for medieval North European societies.
Poster
Full-text available
Svalbard is a Norwegian archipelago in the Arctic Ocean. It has a rich cultural heritage, and visitors will find traces of human activity everywhere. There is little soil, so even the oldest traces are exposed. Cultural remains are found in coastal areas all around the archipelago. The artifacts in Svalbard are vulnerable treasures preserved well i...
Article
Full-text available
Arctic terrestrial ecosystems are heterogeneous because of the strong influences of microtopography, soil moisture and snow accumulation on vegetation distribution. The interaction between local biotic and abiotic factors and global climate patterns will influence species responses to climate change. Salix arctica (Arctic willow) is a structuring s...
Article
Full-text available
Climate model projections suggest widespread drying in the Mediterranean Basin and wetting in Fennoscandia in the coming decades largely as a consequence of greenhouse gas forcing of climate. To place these and other “Old World” climate projections into historical perspective based on more complete estimates of natural hydroclimatic variability, we...
Research
Full-text available
Dendrochronological and wood anatomical examination of finds from historical shipwrecks etc. found on the shores of Svalbard, now kept in the Svalbard Museum in Longyearbyen - Material from wooden shipwrecks and other objects
Article
Rapid climate warming in the tundra biome has been linked to increasing shrub dominance. Shrub expansion can modify climate by altering surface albedo, energy and water balance, and permafrost yet the drivers of shrub growth remain poorly understood. Dendroecological data consisting of multi-decadal time series of annual shrub growth provide an und...
Technical Report
Full-text available
Wood anatomical research done on samples submitted autumn 2014 by Snorre Haukalid, Sysselmannen på Svalbard.
Article
Full-text available
Dendroclimatological reconstructions may be influenced by intraspecific variation in radial growth caused by plant gender and ecotypic differentiation. We examined the growth response of the High Arctic Salix arctica to interannual variation in snow precipitation in Zackenberg, NE Greenland. Tree ring examinations revealed a consistent response of...
Article
Full-text available
Part of a large male woolly mammoth (Mammuthus primigenius) was preserved in permafrost in northern Yakutia. It was radiocarbon dated to ca. 18,500 14C yr BP (ca. 22,500 cal yr BP). Dung from the lower intestine was subjected to a multiproxy array of microscopic, chemical, and molecular techniques to reconstruct the diet, the season of death, and t...
Article
Full-text available
In this study, we investigated whether dendrochronology can be used to determine the felling dates and origin of the trees that were used as wooden pile foundations under historic buildings. Dating and dendroprovenancing of the timber was possible for eight out of nine buildings. This is due mainly to the availability of newly constructed tree-ring...
Article
Using a combination of microscopic examination and electronic scanning and printing, we analyzed the impacts of early spring snow cover extent and temperature during the growing season on the annual radial growth in arctic willow (Salix arctica Pallas) in the Zackenberg valley, High Arctic Northeast Greenland. So far, only little dendroclimatologic...
Article
Full-text available
Part of a large male woolly mammoth (Mammuthus primigenius) was preserved in permafrost in northern Yakutia. It was radiocarbon dated to ca. 18,500 14 C yr BP (ca. 22,500 cal yr BP). Dung from the lower intestine was subjected to a multiproxy array of microscopic, chemical, and molecular techniques to reconstruct the diet, the season of death, and...

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