The AmeriFlux Network of Long-Term CO{sub 2} Flux Measurement Stations: Methodology and Intercomparability

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Description

A portable flux measurement system has been used within the AmeriFlux network of CO{sub 2} flux measurement stations to enhance the comparability of data collected across the network. No systematic biases were observed in a comparison between portable system and site H, LE, or CO{sub 2} flux values although there were biases observed between the portable system and site measurement of air temperature and PPFD. Analysis suggests that if values from two stations differ by greater than 26% for H, 35% for LE, and 32% for CO{sub 2} flux they are likely to be significant. Methods for improving the intercomparability ... continued below

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Hollinger, D. Y. & Evans, R. S. May 20, 2003.

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A portable flux measurement system has been used within the AmeriFlux network of CO{sub 2} flux measurement stations to enhance the comparability of data collected across the network. No systematic biases were observed in a comparison between portable system and site H, LE, or CO{sub 2} flux values although there were biases observed between the portable system and site measurement of air temperature and PPFD. Analysis suggests that if values from two stations differ by greater than 26% for H, 35% for LE, and 32% for CO{sub 2} flux they are likely to be significant. Methods for improving the intercomparability of the network are also discussed.

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OSTI as DE00836564

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  • Other Information: PBD: 20 May 2003

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  • Report No.: NONE
  • Grant Number: AI02-96ER62274
  • DOI: 10.2172/836564 | External Link
  • Office of Scientific & Technical Information Report Number: 836564
  • Archival Resource Key: ark:/67531/metadc781019

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  • May 20, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 4, 2016, 7:29 p.m.

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Hollinger, D. Y. & Evans, R. S. The AmeriFlux Network of Long-Term CO{sub 2} Flux Measurement Stations: Methodology and Intercomparability, report, May 20, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc781019/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.