Annual CO2 emission from forest floors predicted by simulation models including climate change

Patrick W. Flanagan; L. T. Ramsey; E. Kostlan

doi:10.1117/12.163523

2 November 1993 Annual CO₂ emission from forest floors predicted by simulation models including climate change

Patrick W. Flanagan, L. T. Ramsey, E. Kostlan

Proceedings Volume 2049, Atmospheric Radiation; (1993) https://doi.org/10.1117/12.163523
Event: High Latitude Optics, 1993, Tromso, Norway

Abstract

From May 20 to November 5, 1980 hourly temperature and daily moisture measurements were made in the L, F, H, and A1 horizons of a birch forest in Alaska. Laboratory measurements of respiration were made on the same forest floor horizons under varying conditions of temperature and moisture. From the respiration's responses to temperature and moisture variation we simulated mathematically how a natural forest floor emits CO₂ and how these emissions change with varying climate. The simulation accounted for 79 -90% of the sum of the squared differences of the mean for each moisture-temperature bin and the overall mean of such bin means. When the response model was applied to the field data of moisture and temperature to estimate a seasonal respiration of CO₂, the estimates were in excellent agreement with independent field measurements of the season's CO₂ respiration. The climate of the F, H, and A1 horizons was also simulated mathematically as determined by the climate of the L horizon. The two models were tandemed to provide a new estimate of the season's total CO₂ emission. Again, there was excellent agreement with the observed respiration.

Citation Download Citation

Patrick W. Flanagan, L. T. Ramsey, and E. Kostlan "Annual CO₂ emission from forest floors predicted by simulation models including climate change", Proc. SPIE 2049, Atmospheric Radiation, (2 November 1993); https://doi.org/10.1117/12.163523

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