A palaeotemperature record for the Finnish Lakeland based on microdensitometric variations in tree rings

Dendroclimatic signals deduced from riparian versus upland forest interior pines in North Karelia, Finland

(2013) Samuli Helama et al.   ECOLOGICAL RESEARCH

Quantifications of dendrochronological information from contrasting microdensitometric measuring circumstances of experimental wood samples

(2012) S. Helama et al.   APPLIED RADIATION AND ISOTOPES

Persistence matters: Estimation of the statistical significance of paleoclimatic reconstruction statistics from autocorrelated time series

(2012) Marc Macias-Fauria et al.   DENDROCHRONOLOGIA

Fusing pollen-stratigraphic and dendroclimatic proxy data to reconstruct summer temperature variability during the past 7.5 ka in subarctic Fennoscandia

(2012) Samuli Helama et al.   JOURNAL OF PALEOLIMNOLOGY

Orbital forcing of tree-ring data

(2012) Jan Esper et al.   Nature Climate Change

Causes and Consequences of Past and Projected Scandinavian Summer Temperatures, 500–2100 AD

(2011) Ulf Büntgen et al.   PLoS One

Radiodensitometric-dendroclimatological conifer chronologies from Lapland (Scandinavia) and the Alps (Switzerland)

(2010) Fritz Hans Schweingruber et al.   BOREAS

Improving a tree-ring reconstruction from west-central Scandinavia: 900 years of warm-season temperatures

(2010) Björn E. Gunnarson et al.   CLIMATE DYNAMICS

Sub-Milankovitch solar forcing of past climates: Mid and late Holocene perspectives

(2010) S. Helama et al.   GEOLOGICAL SOCIETY OF AMERICA BULLETIN

Tree rings of Scots pine (Pinus sylvestris L.) as a source of information about past climate in northern Poland

(2010) Marcin Koprowski et al.   INTERNATIONAL JOURNAL OF BIOMETEOROLOGY

Palaeoclimatological and palaeolimnological records from fossil midges and tree-rings: the role of the North Atlantic Oscillation in eastern Finland through the Medieval Climate Anomaly and Little Ice Age

(2010) Tomi P. Luoto et al.   QUATERNARY SCIENCE REVIEWS

Reconciling pollen-stratigraphical and tree-ring evidence for high- and low-frequency temperature variability in the past millennium

(2010) Samuli Helama et al.   QUATERNARY SCIENCE REVIEWS

Unprecedented low twentieth century winter sea ice extent in the Western Nordic Seas since A.D. 1200

(2009) M. Macias Fauria et al.   CLIMATE DYNAMICS

Multicentennial megadrought in northern Europe coincided with a global El Niño–Southern Oscillation drought pattern during the Medieval Climate Anomaly

(2009) Samuli Helama et al.   GEOLOGY

Annual and seasonal mean temperatures in Finland during the last 160 years based on gridded temperature data

(2009) Hanna Tietäväinen et al.   INTERNATIONAL JOURNAL OF CLIMATOLOGY

Summer temperature variations in Lapland during the Medieval Warm Period and the Little Ice Age relative to natural instability of thermohaline circulation on multi-decadal and multi-centennial scales

(2009) Samuli Helama et al.   JOURNAL OF QUATERNARY SCIENCE

Dendrochronological investigation of wood extractives

(2009) Samuli Helama et al.   WOOD SCIENCE AND TECHNOLOGY

Torneträsk tree-ring width and density ad 500–2004: a test of climatic sensitivity and a new 1500-year reconstruction of north Fennoscandian summers

(2008) Håkan Grudd   CLIMATE DYNAMICS

A multiproxy reconstruction of spring temperatures in south-west Finland since 1750

(2008) Jari Holopainen et al.   CLIMATIC CHANGE

X-ray microdensitometry applied to subfossil tree-rings: growth characteristics of ancient pines from the southern boreal forest zone in Finland at intra-annual to centennial time-scales

(2008) Samuli Helama et al.   VEGETATION HISTORY AND ARCHAEOBOTANY