CORRECTION OF ERRORS AND UNCERTAINTY IN THE MEASUREMENTS OF CO<sub>2</sub> TURBULENT FLUX

Wang Ying; Bian Lingen; Chen Zhigang

Vol.15, NO.2, 2004

Article Contents

Article Navigation > Journal of Applied Meteorological Science > 2004 > 15(2): 234-244

Wang Ying, Bian Lingen, Chen Zhigang. Correction of errors and uncertainty in the measurements of CO2 turbulent flux. J Appl Meteor Sci, 2004, 15(2): 234-244.

Citation:

Wang Ying, Bian Lingen, Chen Zhigang. Correction of errors and uncertainty in the measurements of CO₂ turbulent flux. J Appl Meteor Sci, 2004, 15(2): 234-244.

Wang Ying, Bian Lingen, Chen Zhigang. Correction of errors and uncertainty in the measurements of CO2 turbulent flux. J Appl Meteor Sci, 2004, 15(2): 234-244.

Citation:

Wang Ying, Bian Lingen, Chen Zhigang. Correction of errors and uncertainty in the measurements of CO₂ turbulent flux. J Appl Meteor Sci, 2004, 15(2): 234-244.

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CORRECTION OF ERRORS AND UNCERTAINTY IN THE MEASUREMENTS OF CO₂ TURBULENT FLUX

1.
Meteorological Center of Guangdong Weather Bureau , Guangzhou 510080
2.
Chinese Academy of Meteorological Sciences , Beijing 100081

Received Date: 2002-09-22
Rev Recd Date: 2003-03-10
Publish Date: 2004-04-30

Abstract

Abstract

The lack of unanimous opinion in spectral correction of energy and carbon dioxide eddy covariance flux error caused the difficulties not only in intercomparison of results derived form the different experiments, but also in synthesis data for global models. Two kinds of spectral methods used to correct sensor error were introduced. The influence of two-dimension and triple–dimension air current on CO₂ flux was discussed. Meanwhile, Error encountered in processing data and problems of measurement CO₂ flux in nighttime were investigated.
- Eddy covariance;
- Long-term flux data;
- Carbon balance

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References(32)

Figures and Tables

图 1 2000年1月两天和的比和垂直压力通量的时间序列(引自Leuning,R,1992) ^[3]

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图 2 一阶滤波器和线性滤波器的位相比较^[3]

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图 3 夜间观测的CO₂ 通量与摩擦速度(u^*)的相关性^[3]

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图 4 储量修正的CO₂ 通量与摩擦速度的关系^[3]

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