{"id":"W2166165736","doi":"10.1073/pnas.0708986104","title":"An atmospheric perspective on North American carbon dioxide exchange: CarbonTracker","year":2007,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Atmospheric and Environmental Gas Dynamics","field":"Environmental Science","cited_by":1229,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"","keywords":"Carbon sink; Carbon cycle; Environmental science; Biosphere; Sink (geography); Atmospheric sciences; Taiga; Carbon dioxide; Boreal; Atmosphere (unit); Deciduous; Climatology; Biosphere model; Carbon dioxide in Earth's atmosphere; Trace gas; Climate change; Ecosystem; Ecology; Meteorology; Geology; Geography; Oceanography; Forestry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01143731936803368,"score_gpt":0.262689666404397,"score_spread":0.2512523470363633,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}