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  Three years of aircraft-based trace gas measurements over the Fyodorovskoye southern taiga forest, 300 km north-west of Moscow

Ramonet, M., Ciais, P., Nepomniachii, I., Sidorov, K., Neubert, R. E. M., Langendörfer, U., et al. (2002). Three years of aircraft-based trace gas measurements over the Fyodorovskoye southern taiga forest, 300 km north-west of Moscow. Tellus, Series B - Chemical and Physical Meteorology, 54(5), 713-734. doi:10.1034/j.1600-0889.2002.01358.x.

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 Creators:
Ramonet, M., Author
Ciais, P., Author
Nepomniachii, I., Author
Sidorov, K., Author
Neubert, R. E. M., Author
Langendörfer, U., Author
Picard, D., Author
Kazan, V., Author
Biraud, S., Author
Gusti, M., Author
Kolle, O.1, Author              
Schulze, E.-D.2, Author              
Lloyd, J.3, Author              
Affiliations:
1Service Facility Field Measurements & Instrumentation, O. Kolle, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497769              
2Department Biogeochemical Processes, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497751              
3Research Group Carbon-Change Atmosphere, Dr. J. Lloyd, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497762              

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Free keywords: Carbon isotopic ratio; atmospheric CO2; dioxide; hydrocarbons; siberia; network; budgets; methane; layers; cycle
 Abstract: As part of the EUROSIBERIAN CARBONFLUX project, regular measurements have been performed in the lower troposphere over a southern taiga forest area in Fyodorovskoye, Western Russia (56degrees28'N, 32degrees56'E). Up to 70 flights have been made between May 1998 and December 2000, plus additional intensive campaigns to study the diurnal variability of atmospheric trace gases within the boundary layer. We sampled flasks between 100 and 3000 m for analysis Of CO2, delta(13)C and delta(18)O in CO2, CH4 and CO. In addition, in-situ CO2, relative humidity, pressure and temperature were performed for a better description of the vertical variability and accurate determination of the boundary layer height. The peak-to-peak amplitude of the seasonal cycle of atmospheric CO2 within the boundary layer of 26.5 ppm is about twice the one observed in the free troposphere (14.6 ppm). The spring draw down Of CO2 also occurs one month earlier than in the free troposphere aloft. There is also an increase by factor of two in the vertical variability of CO2 within the free troposphere between summer and winter, which may be related to the variability of advection and mixing. Linear regression analysis applied to flask measurements of CO, CH4 and delta(13)C versus CO2 in the free troposphere indicates that industrial emissions over Europe are a dominant source of synoptic variability in wintertime in air masses reaching Fyodorovskoye. On the other hand, the variability of trace gases in the boundary layer observed during intensive campaigns is consistent with the patterns of proximate sources over the underlying southern taiga landscape at Fyodorovskoye.

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 Dates: 2002
 Publication Status: Published in print
 Pages: -
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 Rev. Type: -
 Identifiers: Other: BGC0526
DOI: 10.1034/j.1600-0889.2002.01358.x
PII: 398
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Title: Tellus, Series B - Chemical and Physical Meteorology
Source Genre: Journal
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Publ. Info: Copenhagen : Swedish Geophysical Society :
Pages: - Volume / Issue: 54 (5) Sequence Number: - Start / End Page: 713 - 734 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/954925506308
ISSN: 0280-6509