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Quality control of CarboEurope flux data, part 1: coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems

(2008) BIOGEOSCIENCES. 5(2). p.433-450
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Abstract
We applied a site evaluation approach combining Lagrangian Stochastic footprint modeling with a quality assessment approach for eddy-covariance data to 25 forested sites of the CarboEurope-IP network. The analysis addresses the spatial representativeness of the flux measurements, instrumental effects on data quality, spatial patterns in the data quality, and the performance of the coordinate rotation method. Our findings demonstrate that application of a footprint filter could strengthen the CarboEurope-IP flux database, since only one third of the sites is situated in truly homogeneous terrain. Almost half of the sites experience a significant reduction in eddy-covariance data quality under certain conditions, though these effects are mostly constricted to a small portion of the dataset. Reductions in data quality of the sensible heat flux are mostly induced by characteristics of the surrounding terrain, while the latent heat flux is subject to instrumentation-related problems. The Planar-Fit coordinate rotation proved to be a reliable tool for the majority of the sites using only a single set of rotation angles. Overall, we found a high average data quality for the CarboEurope-IP network, with good representativeness of the measurement data for the specified target land cover types.
Keywords
EDDY COVARIANCE MEASUREMENTS, WATER-VAPOR, BOUNDARY-LAYER, HEAT-FLUX, TURBULENCE STATISTICS, CORRELATION SYSTEMS, STOCHASTIC-MODELS, SONIC ANEMOMETER, SURFACE FLUXES, CARBON-DIOXIDE

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MLA
Göckede, M et al. “Quality Control of CarboEurope Flux Data, Part 1: Coupling Footprint Analyses with Flux Data Quality Assessment to Evaluate Sites in Forest Ecosystems.” BIOGEOSCIENCES 5.2 (2008): 433–450. Print.
APA
Göckede, M., Foken, T., Aubinet, M., Aurela, M., Banza, J., Bernhofer, C., Bonnefond, J., et al. (2008). Quality control of CarboEurope flux data, part 1: coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems. BIOGEOSCIENCES, 5(2), 433–450.
Chicago author-date
Göckede, M, T Foken, M Aubinet, M Aurela, J Banza, C Bernhofer, JM Bonnefond, et al. 2008. “Quality Control of CarboEurope Flux Data, Part 1: Coupling Footprint Analyses with Flux Data Quality Assessment to Evaluate Sites in Forest Ecosystems.” Biogeosciences 5 (2): 433–450.
Chicago author-date (all authors)
Göckede, M, T Foken, M Aubinet, M Aurela, J Banza, C Bernhofer, JM Bonnefond, Y Brunet, A Carrarra, R Clement, E Dellwik, J Elbers, W Eugster, J Fuhrer, A Granier, T Grünwald, B Heinesch, IA Janssens, A Knohl, R Koeble, T Laurilla, B Longdoz, G Manca, M Marek, T Markkanen, J Mateus, G Matteucci, M Mauder, M Migliavacca, S Minerbi, J Moncrieff, L Montagnani, E Moors, J-M Ourcival, D Papale, J Pereira, K Pilegaard, G Pita, S Rambal, C Rebmann, A Rodrigues, E Rotenberg, MJ Sanz, P Sedlak, G Seufert, L Siebicke, JF Sousanna, R Valantini, T Vesala, Hans Verbeeck, and D Yakir. 2008. “Quality Control of CarboEurope Flux Data, Part 1: Coupling Footprint Analyses with Flux Data Quality Assessment to Evaluate Sites in Forest Ecosystems.” Biogeosciences 5 (2): 433–450.
Vancouver
1.
Göckede M, Foken T, Aubinet M, Aurela M, Banza J, Bernhofer C, et al. Quality control of CarboEurope flux data, part 1: coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems. BIOGEOSCIENCES. 2008;5(2):433–50.
IEEE
[1]
M. Göckede et al., “Quality control of CarboEurope flux data, part 1: coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems,” BIOGEOSCIENCES, vol. 5, no. 2, pp. 433–450, 2008.
@article{709382,
  abstract     = {We applied a site evaluation approach combining Lagrangian Stochastic footprint modeling with a quality assessment approach for eddy-covariance data to 25 forested sites of the CarboEurope-IP network. The analysis addresses the spatial representativeness of the flux measurements, instrumental effects on data quality, spatial patterns in the data quality, and the performance of the coordinate rotation method. Our findings demonstrate that application of a footprint filter could strengthen the CarboEurope-IP flux database, since only one third of the sites is situated in truly homogeneous terrain. Almost half of the sites experience a significant reduction in eddy-covariance data quality under certain conditions, though these effects are mostly constricted to a small portion of the dataset. Reductions in data quality of the sensible heat flux are mostly induced by characteristics of the surrounding terrain, while the latent heat flux is subject to instrumentation-related problems. The Planar-Fit coordinate rotation proved to be a reliable tool for the majority of the sites using only a single set of rotation angles. Overall, we found a high average data quality for the CarboEurope-IP network, with good representativeness of the measurement data for the specified target land cover types.},
  author       = {Göckede, M and Foken, T and Aubinet, M and Aurela, M and Banza, J and Bernhofer, C and Bonnefond, JM and Brunet, Y and Carrarra, A and Clement, R and Dellwik, E and Elbers, J and Eugster, W and Fuhrer, J and Granier, A and Grünwald, T and Heinesch, B and Janssens, IA and Knohl, A and Koeble, R and Laurilla, T and Longdoz, B and Manca, G and Marek, M and Markkanen, T and Mateus, J and Matteucci, G and Mauder, M and Migliavacca, M and Minerbi, S and Moncrieff, J and Montagnani, L and Moors, E and Ourcival, J-M and Papale, D and Pereira, J and Pilegaard, K and Pita, G and Rambal, S and Rebmann, C and Rodrigues, A and Rotenberg, E and Sanz, MJ and Sedlak, P and Seufert, G and Siebicke, L and Sousanna, JF and Valantini, R and Vesala, T and Verbeeck, Hans and Yakir, D},
  issn         = {1726-4170},
  journal      = {BIOGEOSCIENCES},
  keywords     = {EDDY COVARIANCE MEASUREMENTS,WATER-VAPOR,BOUNDARY-LAYER,HEAT-FLUX,TURBULENCE STATISTICS,CORRELATION SYSTEMS,STOCHASTIC-MODELS,SONIC ANEMOMETER,SURFACE FLUXES,CARBON-DIOXIDE},
  language     = {eng},
  number       = {2},
  pages        = {433--450},
  title        = {Quality control of CarboEurope flux data, part 1: coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems},
  volume       = {5},
  year         = {2008},
}

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