BOREAS 1994 Boreal Soil Methane and Carbon Dioxide Flux Measurements

Methane and carbon dioxide dark chamber flux measurements were collected at four Northern Study Area sites in the boreal forest during the 1994 summer field campaign. The BOREAS TGB-01 team gathered gas samples from soil chambers approximately every seven days from May 16 to September 13, 1994, to examine trace gas exchange between the atmosphere and soils. This dataset originates from the NASA-led Boreal Ecosystem-Atmosphere Study.

Use Cases

• Analyzing seasonal trends in soil CO2 and CH4 emissions from different boreal forest stand types (Old Jack Pine, Young Jack Pine, Old Black Spruce, Beaver Pond).
• Calibrating or validating terrestrial biogeochemistry models with in-situ soil flux measurements.
• Comparing trace gas exchange rates between upland forest soils and wetland (Beaver Pond) sites.
• Studying the impact of forest age and species on soil-atmosphere gas dynamics.

Strengths

• Data collection covers a full summer field season, from May 16 to September 13, 1994.
• Measurements were taken at four distinct boreal forest sites, allowing for site-to-site comparison.
• Focuses on two key greenhouse gases (CH4 and CO2) using standardized dark chamber methods.

Limitations

• Key structural details like row count, file size, and specific column names are unavailable across all sources.
• A conflict exists in the 'last updated' metadata, with one source listing 1994 and another listing 2026.
• The sampling frequency of approximately every 7 days may not capture higher-frequency diurnal or event-driven flux variations.

Provenance

Source

BOREAS TGB-01 team, National Aeronautics and Space Administration

Collection Method

Dark chamber flux measurements with gas samples extracted and analyzed at a lab facility.

Time Range

1994-05-16 to 1994-09-13

Freshness

2026-03-13 05:24:07.127390

Geography

Northern Study Area (NSA) of the Boreal Ecosystem-Atmosphere Study, including Old Jack Pine, Young Jack Pine, Old Black Spruce, and Beaver Pond sites.