Articles | Volume 12, issue 12
https://doi.org/10.5194/bg-12-3899-2015
https://doi.org/10.5194/bg-12-3899-2015
Research article
 | 
26 Jun 2015
Research article |  | 26 Jun 2015

Wet-season spatial variability in N2O emissions from a tea field in subtropical central China

X. Fu, X. Liu, Y. Li, J. Shen, Y. Wang, G. Zou, H. Li, L. Song, and J. Wu

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Short summary
We examined the spatial variability in N2O emissions from a tea field in a wet season using 147 static chambers. The N2O fluxes for a 30min snapshot ranged from -1.73 to 1659.11 g N ha-1 d-1 (average flux of 102.24 g N ha-1 d-1). Cokriging with NH4Nt and NO3Nt as covariables (r=0.74 and RMSE=1.18) outperformed ordinary kriging (r=0.18 and RMSE=1.74), regression kriging with the sample position as a predictor (r=0.49 and RMSE=1.55) and cokriging with SOCt as a covariable (r=0.58 and RMSE=1.44).
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