World Library  


Add to Book Shelf
Flag as Inappropriate
Email this Book

Inferences from Co2 and Ch4 Concentration Profiles at the Zotino Tall Tower Observatory (Zotto) on Local Summer-time Ecosystem Fluxes : Volume 10, Issue 9 (23/09/2013)

By Winderlich, J.

Click here to view

Book Id: WPLBN0003990204
Format Type: PDF Article :
File Size: Pages 36
Reproduction Date: 2015

Title: Inferences from Co2 and Ch4 Concentration Profiles at the Zotino Tall Tower Observatory (Zotto) on Local Summer-time Ecosystem Fluxes : Volume 10, Issue 9 (23/09/2013)  
Author: Winderlich, J.
Volume: Vol. 10, Issue 9
Language: English
Subject: Science, Biogeosciences, Discussions
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Gerbig, C., Kolle, O., Heimann, M., & Winderlich, J. (2013). Inferences from Co2 and Ch4 Concentration Profiles at the Zotino Tall Tower Observatory (Zotto) on Local Summer-time Ecosystem Fluxes : Volume 10, Issue 9 (23/09/2013). Retrieved from http://www.ebooklibrary.org/


Description
Description: Max Planck Institute for Chemistry, P.O. Box 3060, 55020 Mainz, Germany. The Siberian region is still sparsely covered by ecosystem observatories, which motivates to exploit existing datasets to gain spatially and temporally better-resolved carbon fluxes. The Zotino Tall Tower Observatory (ZOTTO, 60°48' N, 89°21' E) observations of CO2 and CH4 mole fractions as well as meteorological parameters from six different heights up to 301 m allow for an additional estimate of surface-atmosphere fluxes of CO2 and CH4 for the Middle-Siberian region since 2009. The total carbon flux is calculated from the storage and the turbulent flux component. The gradients between the different tower levels determine the storage flux component, which dominates the local fluxes, especially during night. As a correction term, the turbulent flux component was estimated by the modified Bowen ratio method based on the sensible heat flux measurements at the top of the tower. The gained average night time fluxes (23:00 to 04:00 local time) are 2.7 ± 1.1 μmol (m2 s)−1 for CO2 and 5.6 ± 4.5 nmol (m2 s)−1 for CH4 during the summer months June-September in 2009 and 2011. During day, the method is limited due to numeric instabilities from vanishing vertical gradients; however, the derived CO2 fluxes exhibit reasonable diurnal shape and magnitude compared to the eddy covariance technique, which become available at the site in 2012. Therefore, the tall tower data facilitates the extension of the new eddy covariance flux dataset back in time. The diurnal signal of the CH4 flux is predominantly characterized by a strong morning transition, which is explained by local topographic effects.

Summary
Inferences from CO2 and CH4 concentration profiles at the Zotino Tall Tower Observatory (ZOTTO) on local summer-time ecosystem fluxes

Excerpt
Verma, S. B., Rosenberg, N. J., and Blad, B. L.: Turbulent Exchange Coefficients for Sensible Heat and Water-Vapor under Advective Conditions, J. Appl. Meteorol., 17, 330–338, 2.0.CO;2>doi:10.1175/1520-0450(1978)017<0330:TECFSH>2.0.CO;2, 1978.; Vermeulen, A. T., Hensen, A., Popa, M. E., van den Bulk, W. C. M., and Jongejan, P. A. C.: Greenhouse gas observations from Cabauw Tall Tower (1992–2010), Atmos. Meas. Tech., 4, 617–644, doi:10.5194/amt-4-617-2011, 2011.; Wang, W. G., Davis, K. J., Cook, B. D., Yi, C. X., Butler, M. P., Ricciuto, D. M., and Bakwin, P. S.: Estimating daytime CO2 fluxes over a mixed forest from tall tower mixing ratio measurements, J. Geophys. Res.-Atmos., 112, D10308, doi:10.1029/2006JD007770, 2007.; Werner, C., Davis, K., Bakwin, P. S., Yi, C., Hurst, D. F., and Lock, L.: Regional-scale measurements of CH4 exchange from a tall tower over a mixed temperate/boreal lowland and wetland forest, Glob. Change Biol., 9, 1251–1261, doi:10.1046/j.1365-2486.2003.00670.x, 2003.; Winderlich, J., Chen, H., Gerbig, C., Seifert, T., Kolle, O., Lavrič, J. V., Kaiser, C., Höfer, A., and Heimann, M.: Continuous low-maintenance CO2/CH4/H2O measurements at the Zotino Tall Tower Observatory (ZOTTO) in Central Siberia, Atmos. Meas. Tech., 3, 1113–1128, doi:10.5194/amt-3-1113-2010, 2010.; Winderlich, J.: Setup of a CO2 and CH4 measurement system in Central Siberia and modeling of its results, Technical Report Vol. 26, ISSN 1615–7400, Max-Planck-Institut für Biogeochemie, Jena, 2012.; Acevedo, O. C., Moraes, O. L. L., Da Silva, R., Fitzjarrald, D. R., Sakai, R. K., Staebler, R. M., and Czikowsky, M. J.: Inferring nocturnal surface fluxes from vertical profiles of scalars in an Amazon pasture, Glob. Change Biol., 10, 886–894, doi:10.1111/j.1529-8817.2003.00755.x, 2004.; Arshinov, M., Belan, B., Davydov, D., Inouye, G., Krasnov, O., Maksyutov, S., Machida, T., Fofonov, A., and Shimoyama, K.: Spatial and temporal variability of CO2 and CH4 concentrations in the surface atmospheric layer over West Siberia, Atmos. Ocean. Opt., 22, 84–93, doi:10.1134/S1024856009010126, 2009.; Aubinet, M., Berbigier, P., Bernhofer, C. H., Cescatti, A., Feigenwinter, C., Granier, A., Grunwald, T. H., Havrankova, K., Heinesch, B., Longdoz, B., Marcolla, B., Montagnani, L., and Sedlak, P.: Comparing CO2 storage and advection conditions at night at different carboeuroflux sites, Bound.-Lay. Meteorol., 116, 63–94, doi:10.1007/s10546-004-7091-8, 2005.; Aubinet, M.: Eddy covariance CO2 flux measurements in nocturnal conditions: An analysis of the problem, Ecol. Appl., 18, 1368–1378, doi:10.1890/06-1336.1, 2008.; Aubinet, M., Feigenwinter, C., Heinesch, B., Bernhofer, C., Canepa, E., Lindroth, A., Montagnani, L., Rebmann, C., Sedlak, P., and Van Gorsel, E.: Direct advection measurements do not help to solve the night-time CO2 closure problem: Evidence from three different forests, Agr. Forest Meteorol., 150, 655–664, doi:10.1016/j.agrformet.2010.01.016, 2010.; Aubinet, M., Vesala, T., and Papal

 

Click To View

Additional Books


  • An Experimental Study on the Effects of ... (by )
  • Methanotrophic Activity and Bacterial Di... (by )
  • Landscape-scale Changes in Forest Canopy... (by )
  • Seasonal Contribution of Terrestrial Org... (by )
  • Synergistic Effects of Iron and Temperat... (by )
  • Phosphorus Recycling in Sediments of the... (by )
  • The Shift of Microbial Population Compos... (by )
  • Stable Isotopes as Ecological Tracers: a... (by )
  • Air-sea Exchange of Co2 at a Northern Ca... (by )
  • Photosynthesis–irradiance Responses in t... (by )
  • Interactive Effects of Belowground Organ... (by )
  • Does Soil Moisture Overrule Temperature ... (by )
Scroll Left
Scroll Right

 



Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.