Finnish Tree Ring Chronology for Paleoclimate Reconstruction

Tree ring width data from a Pinus sylvestris (Scots pine) site in Lieksa, Finland, provides a climate proxy record. The chronology spans 395 years, from 33 BC to 362 AD, based on calendar years before present. This archived dataset is maintained by NOAA's World Data Service for Paleoclimatology.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing the annual tree ring width series.
• Calibrate and validate climate models using the high-resolution, annually-dated proxy data from 33 BC to 362 AD.
• Study ecological responses to historical climate events by examining growth patterns in the Pinus sylvestris chronology.
• Perform cross-dating with other regional tree ring chronologies to build a more extensive climate network.

Strengths

• Time series covers a continuous 395-year period from 33 BC to 362 AD.
• Data originates from a single, well-defined species (Pinus sylvestris) and location (Lieksa, Finland).
• Dataset is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• The dataset's last update was in 1983, potentially lacking modern reanalysis or methodological improvements.
• Geographic coverage is limited to a single site in Finland, reducing regional representativeness.
• Specific measurement parameters and sample depths are unknown without accessing full metadata.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.

Collection Method

Tree ring core samples analyzed to produce a width chronology.

Time Range

362 to -33 calendar years BP (33 BC to 362 AD).

Freshness

null

Geography

Lieksa, Finland, Scandinavia.