publications

-- pfd files are at the bottom of this page -- these files are copyrighted -- further reproduction or electronic distribution is not permitted --

Lupascu M, JM Welker, U Seibt, X Xu, I Velicogna, DS Lindsey, CI Czimczik, The amount and timing of precipitation control the magnitude, seasonality and sources (14C) of ecosystem respiration in a polar semi-desert, NW Greenland, Biogeosciences Discussions 11, 2457-2496, doi:10.5194/bgd-11-2457-2014.

Maseyk K, JA Berry, DP Billesbach, JE Campbell, MS Torn, U Seibt, Sources and sinks of carbonyl sulfide in an agricultural field in the Southern Great Plains. in review.

Lupascu M, JM Welker, U Seibt, K Maseyk, X Xu, CI Czimczik (2014) High Arctic wetting reduces permafrost carbon feedbacks to climate warming. Nature Climate Change 4, 51–55, doi:10.1038/nclimate2058. link

Billesbach DP, JA Berry, U Seibt, K Maseyk, MS Torn, ML Fischer, JE Campbell (2014) Growing season eddy covariance measurements of carbonyl sulfide and CO2 fluxes: COS and CO2 relationships in Southern Great Plains winter wheat. Agricultural and Forest Meteorology 184, 48-55. link

Berry J, A Wolf, JE Campbell, I Baker, N Blake, D Blake, AS Denning, SR Kawa, SA Montzka, U Seibt, K Stimler, D Yakir, Z Zhu (2013) A coupled model of the global cycles of carbonyl sulfide and CO2: A possible new window on the carbon cycle. Journal of Geophysical Research: Biogeosciences 118, 842–852, doi: 10.1002/jgrg.20068. link

Eagle RA, C Risi, JL Mitchell, JM Eiler, U Seibt, JD Neelin, G Li, AK Tripati (2013) High regional climate sensitivity over continental China constrained by glacial-recent changes in temperature and the hydrological cycle. Proceedings of the National Academy of Sciences, doi: 10.1073/pnas.1213366110. link

Schmidt M, K Maseyk, C Lett, P Biron, P Richard, T Bariac, U Seibt (2012) Reducing and correcting for contamination of ecosystem water stable isotopes measured by isotope ratio infrared spectroscopy. Rapid Communications in Mass Spectrometry 26, 141—153. doi: 10.1002/rcm.5317. link

Schmidt M, K Maseyk, C Lett, P Biron, P Richard, T Bariac, U Seibt (2010) Concentration effects on laser-based δ18O and δ2H measurements and implications for the calibration of vapour measurements with liquid standards. Rapid Communications in Mass Spectrometry 24, 3553—3561. doi: 10.1002/rcm.4813. link

Seibt U, J Kesselmeier, L Sandoval-Soto, U Kuhn, JA Berry (2010) A kinetic analysis of leaf uptake of COS and its relation to transpiration, photosynthesis and carbon isotope fractionation. Biogeosciences 7, 333—341. open access link

Maseyk K, L Wingate, U Seibt, J Ghashghaie, C Bathellier, P Almeida, R Lobo de Vale, JS Pereira, D Yakir, M Mencuccini (2009) Biotic and abiotic factors affecting the d13C of soil respired CO2 in a Mediterranean oak woodland. Isotopes in Environmental and Health Studies 45, 343—359. link

Wingate L, J Ogée, M Cuntz, B Genty, I Reiter, U Seibt, D Yakir, K Maseyk, EG Pendall, MM Barbour, B Mortazavi, R Burlett, P Peylin, J Miller, M Mencuccini, JH Shim, J Hunt, J Grace (2009) The impact of soil microorganisms on the global budget of delta18O in atmospheric CO2. PNAS 106, 22411—22415. link

Lanigan G, N Betson, H Griffiths, U Seibt (2008) Carbon isotope fractionation during photorespiration and carboxylation by Senecio. Plant Physiology 148, 2013—2020. open access link

Meyer M, U Seibt, H Griffiths (2008) To concentrate or ventilate? Carbon acquisition, isotope discrimination and physiological ecology of early land plant life-forms. Philosophical Transactions R. Soc B 363, 2767—2778. doi: 10.1098/rstb.2008.0039. link

Wingate L, U Seibt, K Maseyk, P Almeida, D Yakir, JS Pereira, M Mencuccini (2008) Evaporation and carbonic anhydrase activity recorded by oxygen isotope signatures of net CO2 fluxes from a Mediterranean soil. Global Change Biology 14 (9), 2178—2193. doi: 10.1111/j.1365-2486.2008.01635.x. link

Seibt U, A Rajabi, H Griffiths, JA Berry (2008) Carbon isotopes and water use efficiency - sense and sensitivity. Oecologia 155, 441—454. doi: 10.1007/s00442-007-0932-7. link
list of parameters, additional plots, and model for download available at: Carbon isotopes and water use efficiency (updated link!)

Seibt U, L Wingate, J Berry (2007) Nocturnal stomatal conductance effects on δ18O signatures of foliage gas exchange observed in two forest ecosystems, Tree Physiology 27, 585—595. link

Wingate L, U Seibt, JB Moncrieff, PG Jarvis, J Lloyd (2007) Variations in 13C discrimination during CO2 exchange by Picea sitchensis branches in the field, Plant, Cell and Environment 30 (5), 600—616. link

Seibt U, L Wingate, J Lloyd, JA Berry (2006) Diurnally variable δ18O signatures of soil CO2 fluxes indicate carbonic anhydrase activity in a forest soil, Journal of Geophysical Research - Biogeosciences, 111, G04005, doi:10.1029/2006JG000177. link

Seibt U, L Wingate, JA Berry, J Lloyd (2006) Non-steady state effects in diurnal 18O discrimination by Picea sitchensis branches in the field, Plant, Cell & Environment 29 (5), 928—939. doi: 10.1111/j.1365-3040.2005.01474.x. link

Seibt U, WA Brand, M Heimann, J Lloyd, JP Severinghaus, L Wingate (2004) Observations of O2:CO2 exchange ratios during ecosystem gas exchange, Global Biogeochemical Cycles 18 (4), doi 10.1029/2004GB002242. link

Hoffmann G, M Cuntz, C Weber, P Ciais, P Friedlingstein, M Heimann, J Jouzel, J Kaduk, E Maier-Reimer, U Seibt, K Six (2004) A model of the Earth's Dole effect, Global Biogeochemical Cycles 18 (1), doi 10.1029/2003GB002059. link


theses

Seibt U (2003) Processes controlling the isotopic composition of CO2 and O2 in canopy air: A theoretical analysis with some observations in a Sitka spruce plantation. PhD thesis, Max Planck Institute for Biogeochemistry, Jena, & Universität Hamburg, Germany.

Seibt U (1997) Simulation of the 18O/16O composition of atmospheric oxygen. Diploma thesis (in German), Max Planck Institute for Meteorology, Hamburg, & Eberhard-Karls-Universität, Tübingen, Germany.
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Ulli Seibt,
Aug 16, 2009, 12:57 PM
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Ulli Seibt,
Aug 16, 2009, 12:57 PM
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Ulli Seibt,
Sep 19, 2010, 10:05 AM
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Ulli Seibt,
Aug 16, 2009, 12:56 PM
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Ulli Seibt,
Aug 16, 2009, 12:54 PM
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Ulli Seibt,
Aug 16, 2009, 12:54 PM
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Ulli Seibt,
Aug 16, 2009, 12:53 PM
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Ulli Seibt,
Aug 16, 2009, 12:59 PM
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Ulli Seibt,
Aug 16, 2009, 12:53 PM
Ċ
ď
Ulli Seibt,
Sep 19, 2010, 10:05 AM
Ċ
ď
Ulli Seibt,
Aug 16, 2009, 12:56 PM
Ċ
ď
Ulli Seibt,
Aug 16, 2009, 12:55 PM
Ċ
ď
Ulli Seibt,
Sep 19, 2010, 10:05 AM