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Assessment of winter fluxes of CO2 and CH4 in boreal forest soils of central Alaska estimated by the profile method and the chamber method: a diagnosis of methane emission and implications for the regional carbon budget

Dates

Year
2007

Citation

Kim, Yongwon, Ueyama, Masahito, Nakagawa, Fumiko, Tsunogai, Urumu, Harazono, Yoshinobu, and Tanaka, Noriyuki, 2007, Assessment of winter fluxes of CO2 and CH4 in boreal forest soils of central Alaska estimated by the profile method and the chamber method: a diagnosis of methane emission and implications for the regional carbon budget: Tellus Series B-Chemical and Physical Meteorology, v. 59, no. 2, p. 223-233.

Summary

This research was carried out to estimate the winter fluxes of CO2 and CH4 using the concentration profile method and the chamber method in black spruce forest soils in central Alaska during the winter of 2004/5. The average winter fluxes of CO2 and CH4 by chamber and profile methods were 0.24 +/- 0.06 (SE; standard error) and 0.21 +/- 0.06 gCO(2)-C/m(2)/d, and 21.4 +/- 5.6 and 21.4 +/- 14 mu gCH(4)-C/m(2)/hr. This suggests that the fluxes estimated by the two methods are not significantly different based on a one-way ANOVA with a 95% confidence level. The hypothesis on the processes of CH4 transport/production/emission in underlying snow-covered boreal forest soils is proven by the pressure differences between air and in soil at 30 [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.1111/j.1600-0889.2006.00233.x
ISSN http://sciencebase.gov/vocab/identifierScheme 0280-6509

Citation Extension

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