Peer-reviewed publications since 1994:

2022

• Maier, F., Gerbig, C., Levin, I., Super, I., Marshall, J., and Hammer, S.: Effects of point source emission heights in WRF–STILT: a step towards exploiting nocturnal observations in models, Geosci. Model Dev., 15, 5391–5406, https://doi.org/10.5194/gmd-15-5391-2022, 2022.

2021

• Levin, I., Hammer, S., Kromer, B., Preunkert, S., Weller, R., and Worthy, D.E.: Radiocarbon in tropospheric carbon dioxide, Radiocarbon, First View, 1-11. DOI: https://doi.org/10.1017/RDC.2021.102, 2021.
• Levin, I, Hammer S. 2021. Supplementary data to Levin et al. (2021), Radiocarbon in global tropospheric carbon dioxide, ICOS-ERIC Carbon Portal, doi:10.18160/K6P6-WBH5.
• Hua, Q., Turnbull, J.C., Santos, G.M., Rakowski, A.Z., Ancapuchún, De Pol Holz, R., Hammer, S., Lehmann, S.J., Levin, I., Miller, J.B., Palmer, J.G. and Turney, C.S.M. 2021. Atmospheric radiocarbon for the period of 1950 - 2019, Radiocarbon, 1-23. doi:10.1017/RDC.2021.95
• Heiskanen, J., Brümmer, C., Buchmann, N., Calfapietra, C., Chen, H., Gielen, B., Gkritzalis, T., Hammer, S., Hartman, S., Herbst, M., Janssens, I. A., Jordan, A., Juurola, E., Karstens, U., Kasurinen, V., Kruijt, B., Lankreijer, H., Levin, I., Linderson, M.-L., Loustau, D., Merbold, L., Lund Myhre, K., Papale, D., Pavelka, M., Pilegaard, K., Ramonet, M., Rebmann, C., Rinne, J., Rivier, L., Saltikoff, E., Sanders, R., Steinbacher, M., Steinhoff, T., Watson, A., Vermeulen, A. T., Vesala, T., Vítková, G., and Kutsch, W. 2021. The Integrated Carbon Observation System in Europe, Bulletin of the American Meteorological Society.; https://doi.org/10.1175/BAMS-D-19-0364..
• Levin, I., Karstens, U., Hammer, S., DellaColetta, J., Maier, F., and Gachkivskyi, M. 2021. Limitations of the Radon Tracer Method (RTM) to estimate regional Greenhouse Gases (GHG) emissions – a case study for methane in Heidelberg, Atmos. Chem. Phys., 21, 17907–17926, https://doi.org/10.5194/acp-21-17907-2021, 2021.
• Levin, I. and Hammer, S.: Supplementary data to Levin et al. (2021), Limitations of the Radon Tracer Method (RTM) to estimate regional Greenhouse Gases (GHG) emissions – a case study for methane in Heidelberg, ICOS-ERIC Carbon Portal [data set], https://doi.org/10.18160/WGS0-F7DY, 2021.
• Levin, I. and Cuntz, M. 2021. Measurement of stable isotopes in carbon dioxide, methane, and water vapor. In: Foken T. (ed), Handbook of Atmospheric Measurements. Springer Nature, Switzerland, 509-532. https://doi.org/10.1007/978-3-030-52171-4_17, 2021.
• Kromer, B., Levin, I., Lindauer, S., Jähne, B., Münnich, M., Platt, U. and Schlosser, P. 2021. Karl Otto Münnich (1925-2003): In Memoriam, Radiocarbon, https://www.doi.org/10.1017/RDC.2021.38.

2020

• Levin, I., Karstens, U., Eritt, M., Maier, F., Arnold, S., Rzesanke, D., Hammer, S., Ramonet, M., Vítková, G., Conil, S., Heliasz, M., Kubistin, D., and Lindauer, M.: A dedicated flask sampling strategy developed for ICOS stations based on CO₂ and CO measurements and STILT footprint modelling, Atmos. Chem. Phys., 11161-11180, 2020, https://doi.org/10.5194/acp-20-11161-2020.
• Ramonet, M., P. Ciais, F. Apadula, J. Bartyzel , A. Bastos, P. Bergamaschi, P. E. Blanc, D. Brunner, L. C. d. Torchiaro, F. Calzolari, H. Chen, L. Chmura, A. Colomb, S. Conil, P. Cristofanelli, E. Cuevas, R. Curcoll, M. Delmotte, A. d. Sarra, L. Emmenegger, G. Forster, A. Frumau, C. Gerbig, F. Gheusi, S. Hammer, L. Haszpra, J. Hatakka, L. Hazan, M. Heliasz, S. Henne, A. Hensen, O. Hermansen, P. Keronen, R. Kivi, K. Kominkova, D. Kubistin, O. Laurent, T. Laurila, J. Lavric, I. Lehner, K.E.J. Lehtinen, A. Leskinen, M. Leuenberger, I. Levin, M. Lindauer, M. Lopez, C. L. Myhre, I. Mammarella, G. Manca, A. Manning, M. V. Marek, P. Marklund, D. Martin, F. Meinhardt, N. Mihalopoulos, M. Molder, J. A. Morgui, J. Necki, S. O'Doherty, C. O'Dowd, M. Ottosson, C. Philippon, S. Piacentino, J. M. Pichon, C. Plass-Duelmer, A. Resovsky, L.Rivier, X. Rodó, M.K. Sha, H. Scheeren, D. Sferlazzo, T. G. Spain, K. M. Stanley, M. Steinbacher, P. Trisolano, A. Vermeulen, G. Vítková, D. Weyrauch, I. Xueref-Remy, K. Yala and C. Y. Kwok (2020): The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO₂ measurements. Phil. Trans. of the Royal Soc. B, accepted. doi:10.1098/rstb.2019.0513.
• Grossi, C., Chambers, S. D., Llido, O., Vogel, F. R., Kazan, V., Capuana, A., Werczynski, S., Curcoll, R., Delmotte, M., Vargas, A., Morguí, J.-A., Levin, I., and Ramonet, M.: Inter-comparison study of atmospheric ²²²Rn and ²²²Rn progeny monitors. Atmos. Meas. Tech., 13, 2241–2255, 2020, doi:10.5194/amt-13-2241-2020

2019

• Nisbet, E. G., Manning, M. R., Dlugokencky, E. J., Fisher, R. E., Lowry, D., Michel, S. E., C. Lund Myhre, C., Platt, S.M., Allen, G., Bousquet, P., Brownlow, R., Cain, M., France, J.L., Hermansen, O., Hossaini1, R., Jones, A.E., Levin, I., Manning, A.C., Myhre, G., Pyle, J.A., Vaughn, B.H., Warwick, N.J., and White, J.W.C., 2019. Very strong atmospheric methane growth in the 4 years 2014–2017: Implications for the Paris Agreement. Global Biogeochemical Cycles, 33; doi:10.1029/2018GB006009.

2018

• Bergamaschi, P., Karstens, U., Manning, A., Saunois, M., Tsuruta, A., Berchet, A., Vermeulen, A., Arnold, T., Janssens-Maenhout, G., Hammer, S., Levin, I., Schmidt, M., Ramonet, M., Lopez, M., Lavric, J., Aalto, T., Chen, H., Feist, D.G., Gerbig, C., Haszpra, L., Hermansen, O., Manca, G., Moncrieff, J., Meinhardt, F., Necki, J., Galkowski, M., O'Doherty, S., Paramonova, N., Scheeren, H., Steinbacher, M., and Dlugokencky, E., 2018. Inverse modelling of European CH₄ emissions during 2006-2012 using different inverse models and reassessed atmospheric observations, Atmos. Chem. Phys., doi:10.5194/acp-18-901-2018.
• Umezawa, T., Brenninkmeijer, C. A. M., Röckmann, T., van der Veen, C., Tyler, S. C., Fujita, R., Morimoto, S., Aoki, S., Sowers, T., Schmitt, J., Bock, M., Beck, J., Fischer, H., Michel, S. E., Vaughn, B. H., Miller, J. B., White, J. W. C., Brailsford, G., Schaefer, H., Sperlich, P., Brand, W. A., Rothe, M., Blunier, T., Lowry, D., Fisher, R. E., Nisbet, E. G., Rice, A. L., Bergamaschi, P., Veidt, C., and Levin, I., 2018. Interlaboratory comparisons of δ¹³C and δD measurements of atmospheric CH₄ for combined use of datasets from different laboratories. Atmos. Meas. Tech., 11, 1207–1231, 2018, doi:10.5194/amt-11-1207-2018.
• Kuderer, M., Hammer, S., and Levin, I., 2018. The influence of ¹⁴CO₂ releases from regional nuclear facilities at the Heidelberg ¹⁴CO₂ sampling site (1986–2014). Atmos. Chem. Phys., 18, 7951–7959, 2018; doi:10.5194/acp-18-7951-2018.
• Griffith, D. W., Pohler, D., Schmitt, S., Hammer, S., Vardag, S., and Platt, U. (2018). Long open-path measurements of greenhouse gases in air using near-infrared Fourier transform spectroscopy. Atmos. Meas. Tech., 11, 1549–1563
• Major, I., Haszpra, L., Rinyu, L., Futó, I., Bihari, Á., Hammer, S., Jull, A.J.T., and Molnár, M. (2018). XTemporal Variation of Atmospheric Fossil and Modern CO 2 Excess at a Central European Rural Tower Station between 2008 and 2014. Radiocarbon, 60(5), 1285-1299.

2017

• Levin, I., Schmithüsen, D. and Vermeulen, A. 2017. Assessment of ²²²Radon progeny loss in long tubing based on static filter measurements in the laboratory and in the field. Atmos. Atmos. Meas. Tech., 10, 1313–1321, doi:10.5194/amt-10-1313-2017.
• Prokopiou, M., P. Martinerie, C. J. Sapart, E. Witrant, G. A. Monteil, K. Ishijima, S. Bernard, J. Kaiser, I. Levin, T. Sowers, T. Blunier, D. Etheridge, E. Dlugokencky, R. S. W. van de Wal, and T. Röckmann, 2017. Constraining N₂O emissions since 1940 using firn air isotope measurements in both hemispheres. Atmos. Chem. Phys., 17, 4539–4564, doi:10.5194/acp-17-4539-2017.
• Orr, J. C., Najjar, R.G., Aumont, O., Bopp, L., Bullister, J.C., Danabasoglu, D, Doney, S.C., Dunne, J.P., Dutay, J.-C., Graven, H., Griffies, S.M., John, J.G., Joos, F., Levin, I., Lindsay, K., Matear, R.J., McKinley, G.A., Mouchet, A., Oschlies, A., Romanou, A., Schlitzer, R., Tagliabue, A., Tanhua, T. and Yool, A. 2017. OMIP biogeochemical protocols and diagnostics for CMIP6. Geoscientific Model Development, 10, 2169-2199, 2017, doi:10.5194/gmd-10-2169-2017.
• Schmithüsen, D., Chambers, S., Fischer, B., Gilge, S., Hatakka, J., Kazan, V., Neubert, R., Paatero, J., Ramonet, M., Schlosser, C., Schmid, S., Vermeulen, A. and Levin, I. 2017. A European-wide ²²²Radon and ²²²Radon progeny comparison study. Atm. Meas. Tech., 10, 1299–1312, 2017, doi:10.5194/amt-10-1299-2017.
• Schmithüsen, D., Chambers, S., Fischer, B., Gilge, S., Hatakka, J., Kazan, V., Neubert, R., Paatero, J., Ramonet, M., Schlosser, C., Schmid, S., Vermeulen, A., and Levin, I.: A European - wide ²²²Radon and ²²²Radon progeny comparison study [Dataset], 2017, doi:10.1158/data/10098.
• Hammer, S. and Levin, I., 2017. Monthly mean atmospheric Δ¹²CO₂ at Jungfraujoch and Schauinsland from 1986 to 2016 [Dataset], doi:10.11588/data/10100.
• Palonen, V., Pumpanen, J., Kulmala, L., Levin, I., Heinonsalo, J. and Vesala, T., 2017. Seasonal and diurnal variations in atmospheric and soil air ¹⁴CO₂ in a boreal Scots Pine forest. Radiocarbon in press, doi:10.1017/rdc.2017.95.
• Graven, H., Allison, C. E., Etheridge, D. M., Hammer, S., Keeling, R. F., Levin, I., Meijer, H. A. J., Rubino, M., Tans, P. P., Trudinger, C. M., Vaughn, B. H. and White, J. W. C., 2017. Compiled records of carbon isotopes in atmospheric CO₂ for historical simulations in CMIP6. Geoscientific Model Development, 10, No 12, 4405-4417. doi:10.5194/gmd-10-4405-2017.
• Berhanu, T. A., Szidat, S., Brunner, D., Satar, E., Schanda, R., Nyfeler, P., Battaglia, M., Steinbacher, M., Hammer, S., Leuenberger, M., 2017. Estimation of the fossil fuel component in atmospheric CO₂ based on radiocarbon measurements at the Beromünster tall tower, Switzerland. Atmos. Chem. Phys. 17, 10753-10766, doi:10.5194/acp-17-10753-2017.
• Hammer, S., Friedrich, R., Kromer, B., Cherkinsky, A., Lehman, S. J., Meijer, H. A., ... and Southon, J. R. (2017). Compatibility of atmospheric 14 CO 2 measurements: Comparing the Heidelberg low-level counting facility to international accelerator mass spectrometry (AMS) laboratories. Radiocarbon, 59(3), 875-883.
• Berhanu, T., Szidat, S., Brunner, D., Satar, E., Schanda, R., Nyfeler, P., ... Hammer S. and Leuenberger, M. (2017). Estimation of the fossil fuel component in atmospheric CO₂ based on radiocarbon measurements at the Beromünster tall tower, Switzerland. Atmospheric chemistry and physics, 17(17), 10753-10766.

2016

• Schäfer, H., Mikaloff Fletcher, S.E., Veidt, C., Lassey, K.R., Brailsford, G.W., Bromley, T.M., Dlugokencky, E.J., Michel, S.E., Miller, J.B. Levin, I., Lowe, D.C., Martin, R.J., Vaughn, B.H. and White, J.W.C. 2016. A 21^st century shift from fossil-fuel to biogenic methane emissions indicated by ¹³CH₄. Science in press.
• Vardag. S. D., Hammer, S. and Levin, I. 2016. Evaluation of four years continuous δ¹³C(CO₂) data using a running Keeling approach. Biogeosciences 13, 4237–4251, doi:10.5194/bg-13-4237-2016.
• Koffi, E. N., Bergamaschi, P., Karstens, U., Krol, M., Segers, A., Schmidt, M., Levin, I. Vermeulen, A.T., Fisher, R.E., Kazan, V., Klein Baltink, H., Lowry, D., Manca, G., Meijer, H.A.J., Moncrieff, J., Pal, S., Ramonet, M. and Scheeren, H.A. Evaluation of the boundary layer dynamics of the TM5 model. Geosci. Model Dev., 9, 3137–3160, doi:10.5194/gmd-9-3137-2016.

2015

• Elsaesser, C., D. Wagenbach, I. Levin, A. Stanzick, M. Christl., A. Wallner, S. Kipfstuhl, I.K. Seierstad, H. Wershofen and J. Dibb, 2015. Simulating ice core ¹⁰Be on the glacial-interglacial timescale. Clim. Past, 11, 115-133, https://doi.org/10.5194/cp-11-115-2015.
• Vardag, S.N., S. Hammer, M. Sabasch, D. W. T. Griffith, and I. Levin, 2015. First continuous measurements of δ¹⁸O-CO₂ in air with a Fourier transform infrared spectrometer. Atmos. Meas. Tech., 8, 579-592, 2015, https://doi.org/10.5194/amt-8-579-2015.
• Vardag, S.N., C. Gerbig, G. Janssens-Maenhout and I. Levin, 2015. Estimation of continuous anthropogenic CO₂: model-based evaluation of CO₂, CO, δ¹³C(CO₂) and Δ¹⁴C(CO₂) tracer methods. Atmos. Chem. Phys., 15, 12705-12729, 2015, doi:10.5194/acp-15-12705-2015.
• Karstens, U., C. Schwingshackl, D. Schmithüsen, and I. Levin, 2015. A process-based ²²²radon flux map for Europe and its comparison to long-term observations. Atmos. Chem. Phys., 15, 2015, doi:10.5194/acp-15-1-2015.
• Laeng, A., J. Plieninger, T. von Clarmann, U. Grabowski, G. Stiller, E. Eckert, N. Glatthor, F. Haenel, S. Kellmann, M. Kiefer, A. Linden, S. Lossow, L. Deaver, A. Engel, M. Hervig, I. Levin, M. McHugh, S. Noël, G. Toon, and K. Walker, 2015. Validation of MIPAS IMK/IAA methane profiles. Atm. Meas. Tech., doi:10.5194/amtd-8-5565-2015.

2014

• Ghysels, M., Gomez, L., Cousin, J., Tran, H., Amarouche, N., Engel, A., Levin, I., and Durry, G., 2014. Temperature dependences of air-broadening, air-narrowing and line-mixing coefficients of the methane v3 R(6) manifold lines - Application to in-situ measurements of atmospheric methane. Journal of Quantitative Spectroscopy and Radiative Transfer, in press.
• Weller, R., I. Levin, D. Schmithüsen, M. Nachbar, J. Asseng and D. Wagenbach, 2014. On the variability of atmospheric ²²²Rn activity concentrations measured at Neumayer, coastal Antarctica. Atmos. Chem. Phys., 14, 3843-3853, doi:10.5194/acp-14-3843-2014.
• Vardag, S. N., S. Hammer, S. O'Doherty, T. G. Spain, B. Wastine, A. Jordan and I. Levin, 2014. Comparisons of continuous atmospheric CH₄, CO₂ and N₂O measurements - results from a travelling instrument campaign at Mace Head. Atmos. Chem. Phys., 14, 8403-8418, 2014, doi:10.5194/acp-14-8403-2014.
• Kretschmer, R., Gerbig, C., Karstens, U., Biavati, G., Vermeulen, A., Vogel, F., Hammer S. and Totsche, K. U. (2014). XImpact of optimized mixing heights on simulated regional atmospheric transport of CO2.Kretschmer, R., Gerbig, C., Karstens, U., Biavati, G., Vermeulen, A., Vogel, F., Hammer S. & Totsche, K. U. (2014). Impact of optimized mixing heights on simulated regional atmospheric transport of CO2. Atmospheric Chemistry and Physics, 14(14), 7149-7172. Atmospheric Chemistry and Physics, 14(14), 7149-7172.

2013

• Hall, B.D., A. Engel, J. Mühle, J. W. Elkins, F. Artuso, E. Atlas, M. Aydin, D. Blake, E-G. Brunke, S. Chiavarini, P. J. Fraser, J. Happell, P. B. Krummel, I. Levin, M. Loewenstein, M. Maione, S. A. Montzka, S. O'Doherty, S. Reimann, G. Rhoderick, E. S. Saltzman, H. E. Scheel, L. P. Steele, M. K. Vollmer, R. F. Weiss, D. Worthy, and Y. Yokouch, 2013. Results from the International Halocarbons in Air Comparison Experiment (IHALACE). Atmos. Meas. Tech., 7, 469-490, doi:10.5194/amt-7-469-2014.
• Hammer, S., Griffith, D. W. T., Konrad, G., Vardag, S., Caldow, C., and Levin, I., 2013. Assessment of a multi-species in situ FTIR for precise atmospheric greenhouse gas observations, Atmos. Meas. Tech., 6, 1153-1170.
• Hammer, S., G. Konrad, A.T. Vermeulen, O. Laurent, M. Delmotte, A. Jordan, L. Hazan, S. Conil, and I. Levin, 2013. Feasibility study of using a "travelling" CO₂ and CH₄ instrument to validate continuous in-situ measurement stations. Atmos. Meas. Tech. 6, 1201-1216.
• Levin, I., B. Kromer, and S. Hammer, 2013. Atmospheric ¹⁴CO₂ trend in Western European background air from 2000 to 2012. Tellus B, 65, 20092.
• Vogel, F.R., Thiruchittampalam, B., Theloke, J., Kretschmer, R., Gerbig, C., Hammer, S. and Levin, I., 2013. Can we assess a fine-grained emission model using high-resolution atmospheric transport modeling and regional fossil fuel CO₂ observations? Tellus 65B, 18681.
• Petrenko, V.V., Martinerie, P., Novelli, P., Etheridge, D.E., Levin, I., Wang, Z., Blunier, T, Chappellaz, J., Kaiser, J., Lang, P., Steele, L.P., Hammer, S., Mak, J., Langenfelds, R.L., Schwander, J., Severinghaus, J.P., Witrant, E., Petron, G., Battle, M.O., Forster, G., Sturges, W.T., Lamarque, J.-F., Steffen, K., White, J.W.C., 2013. A 60-year record of atmospheric carbon monoxide reconstructed from Greenland firn air. Atm. Chem. Phys., 13, 7567-7585.
• Vogel, F., Levin, I., and Worthy, D.E.J., 2013. Implications of using parameterized nuclear power plant emissions of ¹⁴CO₂ on deriving reliable estimates of fossil fuel CO₂ from atmospheric observations. In: A J T Jull & C Hatté (Eds.) Proceedings of the 21st International Radiocarbon Conference, Radiocarbon 55(2-3), 1556-1572.

2012

• Levin, I., 2012. The balance of the carbon budget. Nature 488, 35-36.
• Levin, I., Veidt, C., Vaughn, B. H., Brailsford, G., Bromley, T., Heinz, R., Lowe, D., Miller, J.B., Poß, C., and White, J.W.C., 2012. No inter-hemispheric δ¹³CH₄ trend observed Nature 486, E3-E4.
• Griffith, D. W. T., Deutscher, N. M., Caldow, C., Kettlewell, G., Riggenbach, M. and Hammer, S. (2012). A Fourier transform infrared trace gas and isotope analyser for atmospheric applications. Atmospheric Measurement Techniques, 5 (10), 2481-2498.

2011

• Weller R., Wagenbach D., Legrand M., Elsässer C., Tian-Kunze X., König-Langlo G., 2011. Continuous 25-yr aerosol records at coastal Antarctica. Part 1: inter-annual variabilty of ionic compounds and links to climate indices. Tellus B, Vol. 63. doi:10.1111/j.1600-0889.2011.00542.x.
• Elsässer C., Wagenbach D., Weller R., Auer M., Wallner A., Christl M., 2011. Continuous 25-yr aerosol records at coastal Antarctica. Part 2: variability of the radionuclides ⁷Be, ¹⁰Be and ²¹⁰Pb. Tellus B, Vol. 63. doi:10.1111/j.1600-0889.2011.00543.x.
• Levin, I., S. Hammer, E. Eichelmann, F. Vogel, 2010. Verification of greenhouse gas emission reductions: The prospect of atmospheric monitoring in polluted areas. Philosophical Transactions of the Royal Society A.

2010

• Birmili, W., T. Göbel, A. Sonntag, L. Ries, R. Sohmer, S. Gilge, I. Levin, and A. Stohl, 2010. A case of transatlantic aerosol transport detected at the Schneefernerhaus Observatory (2650 m) on the northern edge of the Alps. Meteorologische Zeitschrift. 19. 591-600.
• Vogel, F.R., S. Hammer, A. Steinhof, B. Kromer and I. Levin, 2010. Implication of weekly and diurnal ¹⁴C calibration on hourly estimates of CO-based fossil fuel CO₁₂ at a moderately polluted site in south-western Germany. Tellus B,Vol 62, 5, DOI: 10.1111/j.1600-0889.2010.99466.x
• Levin, I., Naegler, T., Heinz, R., Osusko, D., Cuevas, E., Engel, A., Ilmberger, J., Langenfelds, R.L., Neininger, B., v. Rohden, C., Steele, L.P., Weller, R. and Worthy, D.E. 2010. The global SF6 source inferred from long-term high precision atmospheric measurements and its comparison with emission inventories. Atmos. Chem. Phys. 10, 2655-2662.
• Levin, I., Naegler, T., Kromer, E., Diehl, M., Francey, R. J., Gomez-Pelaez, A.J., Schäfer, A., Steele, L. P., Wagenbach, D., Weller, R., and Worthy, D. E. 2010. Observations and modelling of the global distribution and long-term trend of atmospheric 14CO2. Tellus 62B, 26-46, doi:10.1111/j.1600-0889.2009.00446.x.
• Ciais, P., Paris, J.-D., Marland, G., Peylin, P., Piao, S., Levin, I., Pregger, T., Scholz, I., Friedrich, R., River, L., Houweling, S., and Schulze, E.-D. 2010. The European carbon balance revisited. Part 1: fossil fuel emissions. Global Change Biology. 16, 1395-1408, doi:10.1111/j.1365-2486.2009.02098.x
• Salvador, P., Artíñano, B., Pio, C., Afonso, J., Legrand, M., Puxbaum, H., and Hammer, S. (2010). Evaluation of aerosol sources at European high altitude background sites with trajectory statistical methods. Atmospheric Environment, 44(19), 2316-2329.

2009

• Schulze, E.D., Ciais, P., Luyssaert, S., Freibauer, A., Janssens, I.A., Soussana, J.F., Smith, P., Grace, J., Levin, I., Thiruchittampalam, B., Heimann, M., Dolman, A.J., Valentini, R., Bousquet, P., Peylin, P., Peters, W., Rödenbeck, C., Etiope, G., Vuichard, N., Wattenbach, M., Nabuurs, G.J., Poussi, Z., Nieschulze, J., Gash, J.H. and the CarboEurope Team 2009. Europe s Greenhouse-Gas Balance: Methane and nitrous oxide emissions compensate CO₂ sinks. Nature Geoscience 2, 842 - 850, DOI: 101038/NGEO686.
• Bergamaschi, P., Frankenberg, C., Meirink, J.F., Krol, M., Villani, M.G., Houweling, S., Dentener, F., Dlugokencky, E.J., Miller, J.B., Gatti, L.V., Engel, A. and Levin, I. 2009. Inverse modeling of global and regional CH₄ emissions using SCIAMACHY satellite retrievals. J. Geophys. Res. 114, D22301, 28 PP., 2009 doi:10.1029/2009JD012287.
• Naegler, T. and Levin, I. 2009, Observation-based global biospheric excess radiocarbon inventory 1963 - 2005. J. Geophys. Res. 114, D17302, doi:10.1029/2008JD011100.
• Naegler, T. and Levin, I. 2009, Biosphere-atmosphere gross carbon exchange flux and the δ¹³CO₂ and Δ¹⁴CO₂ disequilibria constrained by the biospheric excess radiocarbon inventory. J. Geophys. Res. 114, D17302, doi:10.1029/2008JD011116.
• Worthy, D. E. J., Chan, E., Ishizawa, M. Chan, D. Poss, C., Dlugokencky, E. J., Maksyutov, S. and Levin, I. 2009. Decreasing anthropogenic methane emissions in Europe and Siberia inferred from continuous carbon dioxide and methane observations at Alert, Canada. J. Geophys. Res. 114, D10301, DOI: 10.1029/2008JD011239.
• Hammer, S., Vogel, F., Kaul, M., and Levin, I., 2009. The H₂/CO ratio of emissions from combustion sources: Comparison of top-down with bottom-up measurements in south-west Germany. Tellus 61B, 547-555, doi: 10.1111/j.1600-0889.2009.00418.x.
• Hammer, S. and Levin, I., 2009. Seasonal variation of the molecular hydrogen uptake by soils inferred from continuous atmospheric observations in Heidelberg, south-west Germany. Tellus B, 556-565, doi: 10.1111/j.1600-0889.2009.00417.x.
• Naegler, T. 2009. Reconciliation of excess ¹⁴C-constrained global CO₂ piston velocity estimates. Tellus 61B, 372-384, doi: 10.1111/j.1600-0889.2008.00408.x.
• Schmitt, S., Hanselmann, A., Wollschläger, U., Hammer, S., and Levin, I., 2009. Investigation of parameters controlling the soil sink of atmospheric molecular hydrogen. Tellus 61B, doi:10.1111/j.1600-0889.2008.00402.x
• Engel, A., Möbius, T., Bönisch, H., Schmidt, U., Heinz, R., Levin, I., Atlas, E., Aoki, S., Nakazawa, T., Sugawara, S., Moore, F., Hurst, D., Elkins, J., Schauffler, S., Andrews, A., and Boering, K., 2009. Age of stratospheric air unchanged within uncertainties over the past 30 years. Nature Geosci. 2, doi:10.1038/NGEO388.
• May, B., Wagenbach, D., Hammer, S., Steier, P., Puxbaum, H., and Pio, C. (2009). The anthropogenic influence on carbonaceous aerosol in the European background. Tellus B: Chemical and Physical Meteorology, 61(2), 464-472.

2008

• Levin, I., Hammer, S., Kromer, B., and Meinhard, F., 2008. Radiocarbon Observations in Atmospheric CO₂: Determining Fossil Fuel CO₂ over Europe using Jungfraujoch Observations as Background. Sci. Tot. Environ., doi:10.1016/j.scitotenv.2007.10.019.
• Levin, I. and Rödenbeck, C., 2008. Can the envisaged reductions of fossil fuel CO₂ emissions be detected by atmospheric observations? Naturwissenschaften, doi:10.1007/s00114-007-0313-4.
• Hammer, S., Glatzel-Mattheier, H., Müller, L., Sabasch, M., Schmidt, M., Schmitt, S., Schönherr, C., Vogel, F., Worthy, D. E. and Levin, I. 2008 A gas chromatographic system for high-precision quasi-continuous atmospheric measurements of CO2, CH4, N2O, SF6, CO and H2

2007

• Vautard, R., Ciais, P., Fisher, R., Lowry, D., Bréon, F.-M., Vogel, F., Levin, I., Miglietta, F., and Nisbet, E., 2007. The dispersion of the Buncefield oil fire plume: An extreme accident without air quality consequences. Atmos. Environ. 41, doi:10.1016/j.atmosenv.2007.08.055.
• Levin, I. and Karstens, U., 2007. Inferring high-resolution fossil CO₂ records at continental sites from combined ¹⁴CO₂ and CO observations. Tellus 59 B (2), doi:10.1111/j.1600-0889.2006.00244.x.
• Hammer, S., Wagenbach, D., Preunkert, S., Pio, C., Schlosser, C., and Meinhardt, F. (2007). Lead‐210 observations within CARBOSOL: A diagnostic tool for assessing the spatiotemporal variability of related chemical aerosol species?. Journal of Geophysical Research: Atmospheres, 112(D23).
• Legrand, M., Preunkert, S., Oliveira, T., Pio, C. A., Hammer, S., Gelencsér, Kasper‐Giebl, A., and Laj, P. (2007). Origin of C2–C5 dicarboxylic acids in the European atmosphere inferred from year‐round aerosol study conducted at a west‐east transect. Journal of Geophysical Research: Atmospheres, 112(D23).
• Lukács, H., Gelencsér, A., Hammer, S., Puxbaum, H., Pio, C., Legrand, M., Kasper‐Giebl, A., Handler, M., Limbeck, A., Simpson, D., and Preunkert, S. (2007). Seasonal trends and possible sources of brown carbon based on 2‐year aerosol measurements at six sites in Europe. Journal of Geophysical Research: Atmospheres, 112(D23).

2006

• Gamnitzer, U., Karstens, U., Kromer, B., Neubert, R., Meijer, H., Schröder, H., and Levin, I., 2006. Carbon Monoxide: A quantitative tracer for fossil fuel CO₂? J. Geophys. Res. 111, D22302, doi:1029/2005JD006966.
• Rohs, S., Schiller, C., Riese, M., Engel, A., Schmidt, U., Wetter, T., Levin, I., Nakazawa, T., and Aoki, S., 2006. Long-term changes of methane and hydrogen in the stratosphere in the period 1978-2003 and their impact on the abundance of stratospheric water vapor. J. Geophys. Res. 111, D14315, doi:10.1029/2005JD006877.
• Naegler, T., and Levin, I., 2006. Closing the global radiocarbon budget 1945-2005. J. Geophys. Res. 111, D12311, doi:10.1029/2005JD006758.
• Naegler, T., Ciais, P., Rodgers, K., and Levin, I., 2006. Excess radiocarbon constraints on air-sea gas exchange and the uptake of CO₂ by the oceans. Geophys. Res. Lett. 33, L11802, doi:10.1029/2005GL025408.

2005

• Röckmann, T., and Levin, I., 2005. High-precision determination of the changing isotopic composition of atmospheric N₂O from 1990 to 2002. J. Geophys. Res. 110, D21304, doi:10.1029/2005JD006066.

2004

• Levin, I., and Kromer, B., 2004. The tropospheric Δ¹⁴C level in mid-latitudes of the Northern Hemisphere (1959-2003). Radiocarbon 46(3), 1261-1272.

2003

• Levin, I., Kromer, B., Schmidt, M., and Sartorius, H., 2003. A novel approach for independent budgeting of fossil fuel CO₂ over Europe by ¹⁴CO₂ observations. Geophys. Res. Lett. 30(23), 2194 doi. 10.1029/2003GL018477.
• Manning, S.W., Barbetti, M., Kromer, B., Kuniholm, P.I., Levin, I., Newton, M.W., Reimer, P.J., 2003. No systematic early bias to Mediterranean ¹⁴C ages: radiocarbon measurements from tree-ring and air samples provide tight limits to age offsets. Radiocarbon44, 739-754.
• Cuntz, M., Ciais, P. Hoffmann, G., Allison, C.E., Francey, R.J., Knorr, W., Tans, P.P., White, J.W.C., and Levin, I. 2003. A comprehensive global 3D model of d¹⁸O in atmospheric CO₂: Mapping the atmospheric signal. J. Geophys. Res. 108(D17), 4528
  pdf available from http://www.macu.de/
• Schmidt, M., Graul, R., Sartorius, H., and Levin, I. 2003. The Schauinsland CO₂ record: 30 years of continental observations and their implications for the variability of the European CO₂ budget. J. Geophys. Res. 108(D19), 4619 doi: 10.1029/2002JD003085.
• Kanzawa, H., T. Sugita, H. Nakajima, G.E. Bodeker, H. Oelhaf, M. Stowasser, G. Wetzel, A. Engel, U. Schmidt, I. Levin, G.C. Toon, B. Sen, J.-F. Blavier, S. Aoki, T. Nakazawa, K.W. Jucks, D.G. Johnson, W.A. Traub, C. Camy-Peyret, S. Payan, P. Jeseck, I. Murata, H. Fukunishi, M. von Koenig, H. Bremer, H. Kuellmann, J.H. Park, L.L. Pan, T. Yokota, M. Suzuki, M. Shiotani, and Y. Sasano, 2003. Validation and data characteristics of nitrous oxide and methane profiles observed by the Improved Limb Atmospheric Spectrometer (ILAS) and processed with the Version 5.20 algorithm. J. Geophys. Res. 108(D16), 8003
• Necki, J., M. Schmidt, K. Rozanski, M. Zimnoch, A. Korus, J. Lasa, R. Graul and I. Levin, 2003. Six-years record of atmospheric carbon dioxide and methane at a high-altitude mountain site in Poland. Tellus 55B, 94-104

2002

• Chevillard A., Ciais, P., Karstens, U., Heimann, M., Schmidt, M., Levin, I., Jacob, D. and Podzun, R. 2002. Transport of ²²²Rn using the on-line regional scale model REMO: A detailed comparison with measurements over Europe. Tellus 54B, 850-871.
• Sidorov, K., Sorgachev, A., Langendörfer, U., Lloyd, J., Nepomnjashiy, I. L.,   Vygodskaya, N. N., Schmidt, M.and Levin, I. 2002. Seasonal variability of greenhouse gases in the lower troposphere above the middle eastern European Taiga (Syktyvkar, Russia). Tellus 54B, 735-748.
• Langendörfer, U., Cuntz, M., Ciais, P., Peylin, P., Bariac, T., Milyukova, I., Kolle, O., Naegler, T. and Levin, I. 2002. Modelling of biospheric CO₂ gross fluxes via oxygen isotopes in a spruce forest canopy: A ²²²Radon-calibrated box model approach. Tellus 54B, 476-496.
• Levin, I., M. Born, M. Cuntz, U. Langendörfer, S. Mantsch, T. Naegler, M. Schmidt, A. Varlagin, S. Verclas and D. Wagenbach, 2002. Observations of atmospheric variability and soil exhalation rate of Radon-222 at a Russian forest site: Technical approach and deployment for boundary layer studies. Tellus 54B, 462-475.
• Levin, I., P. Ciais, R. Langenfelds, M. Schmidt, M. Ramonet, M. Gloor, K. Sidorov, N. Tchebakova, M. Heimann, E.D. Schulze, N.N. Vygodskaya, O. Shibistova and J. Lloyd, 2002. Three years of trace gas observations over the EuroSiberian domain derived from aircraft sampling - a concerted action. Tellus 54B, 696-712.
• Winckler, G., W. Aeschbach-Hertig, J. Holocher, R. Kipfer, I. Levin, C. Poss, G. Rehder and E. Suess, 2002. Noble Gases and radiocarbon in natural gas hydrates from Hydrate Ridge. Geophys. Res. Lett.m 29, 10, 10.1029/2001GL014013.
• Schiller, C. R. Bauer, F. Cairo, T. Deshler, A. Dörnbrack, J. Elkins, A. Engel, H. Flentje, N. Larsen, I. Levin, M. Müller, S. Oltmans, H. Ovarlez, J. Ovarlez, J. Schreiner, F. Stroh, C. Voigt and H. Vömel, 2002. Dehydration in the Arctic stratosphere during the THESEO2000 / SOLVE campaigns. J. Geophys. Res. 107, D20, doi:10.1029/2001JD000463, 2002
• Engel, A., M. Strunk, M. Müller, H.-P. Haase, C. Poss, I. Levin, U. Schmidt, 2002. Temporal development of total chlorine in the high latitude stratosphere based on reference distributions of mean age derived from CO₂ and SF₆. J. Geophys. Res. 107, D12, 10.1029/2001JD000584, 2002.

2001

• Kromer, B., S.W. Manning, P.I. Kunniholm, M.W. Newton, M. Spurk and I. Levin, 2001. Regional ¹⁴CO₂ gradients in the troposphere: magnitude, mechanisms and consequences. Science 294, 2529-2535.
• Schmidt, M., H. Glatzel-Mattheier, H. Sartorius, D.E. Worthy, and I. Levin, 2001. Western European N₂O emissions - a top down approach based on atmospheric observations. J. Geophys. Res. 106, D6, 5507-5516.

2000

• Strunk, M., A. Engel, U. Schmidt, C.M. Volk, T. Wetter, I. Levin, and H. Glatzel-Mattheier, 2000. CO₂ and SF₆ as stratospheric age tracers: consistency and the effect of mesospheric SF6-loss. Geophys. Res. Lett. 27, 3, 341-344.
• Worthy, D.E.J., I. Levin, J.F. Hopper and N.B.A. Trivett, 2000. Evidence for a link between climate change and northern wetlands methane emissions. J. Geophys. Res.105, D3, 4031-4038.
• Hesshaimer, V. and I. Levin, 2000. Revision of the stratospheric bomb ¹⁴CO₂ inventory. J. Geophys. Res.105, D9, 11,641-11,658.
• Levin, I. and V. Hesshaimer, 2000. Radiocarbon - a unique tracer of global carbon cycle dynamics. Radiocarbon 42, 69-80.
• Schüßler, W., R. Neubert, I. Levin, N. Fischer and C. Sonntag, 2000. Determination of microbial vs. root produced CO₂ in an agricultural ecosystem by means of ¹³CO₂ measurements in soil air. Tellus 52B, 909-918.

1999

• Denning, A.S., M. Holzer, K.R. Gurney, M. Heimann, R.M. Law, P.J. Rayner, I.Y. Fung, S.-M. Fan, S. Taguchi, P. Friedlingstein, Y. Balkanski, M. Maiss and I. Levin, 1999. Three-Dimensional transport and concentration of SF₆: A model intercomparison study (TransCom 2). Tellus 51B, 266-297.
• Levin, I., H. Glatzel-Mattheier, T. Marik, M. Cuntz, M. Schmidt and D.E: Worthy, 1999. Verification of German methane emission inventories and their recent changes based on atmospheric observations. J. Geophys. Res., 104, D3, 3447 - 3456.

1998

• Rohrer, F., D. Brüning, E.S. Grobler, M. Weber, D.H. Ehhalt, R. Neubert, W. Schüßler, and I. Levin, 1998. Mixing ratios and photostationary state of NO and NO₂ observed during the POPCORN field campaign at a rural site in Germany. J. Atmos. Chem. 31, 119-137.
• Worthy D.E.J., I. Levin, N.B.A. Trivett, A.J. Kuhlmann, J.F. Hopper and M.K. Ernst, 1998. Seven years of continuous methane observations at a remote boreal site in Ontario, Canada. J. Geophys. Res. 103, D103, 15 995 - 16 007.
• Kuhlmann, A.J., D. Worthy, N.B.A. Trivett and I. Levin, 1998. Methane emissions from a wetland region within the Hudson Bay Lowland: An atmospheric approach. J. Geophys. Res. 103, 16 009 - 16 016.

1997

• Levin, I. and B. Kromer, 1997. Twenty years of atmospheric ¹⁴CO₂ observations at Schauinsland station, Germany. Radiocarbon 39, 205-218.
• Kromer, B., J. Ambers, M.G.L. Baillie, P.E. Damon, V. Hesshaimer, J. Hofmann, L. Jöris, I. Levin, S. Manning, F.G. McCormac, J. van der Plicht, M. Spurk, M Stuiver and B. Weninger, 1997. Report: Summary of the Workshop "Aspects of high precision radiocarbon calibration". Radiocarbon 38, 607-610.

1996

• Schmidt, M., R. Graul, H. Sartorius, and I. Levin, 1996. Carbon dioxide and methane in continental Europe: a climatology, and ²²²Radon-based emission estimates. Tellus 48B, 457-473.
• Schrimpf, W., K. Lienaerts. K.P. Mueller, J. Rudolph, R. Neubert, W. Schuessler and I. Levin, 1996. Dry deposition of peroxyacetyl nitrate (PAN): determination of its deposition velocity at night from measurements of the atmospheric PAN and ²²²Radon concentration gradient. Geophys. Res. Lett. 23, 3599-3602.
• Levin, I. and V. Hesshaimer, 1996. Refining of atmospheric transport model entries by the globally observed passiv tracer distributions of ⁸⁵Krypton and sulfur hexafluoride (SF₆). J. Geophys. Res. 101, D11, 16745-16755.
• Marik, T. and I. Levin, 1996. A new tracer experiment to estimate the methane emissions from a dairy cow shed using sulphur hexafluoride (SF₆). Global Biogeochemical Cycles 10, 413-418.
• Maiss, M., L.P. Steele, R.J. Francey, P.J. Fraser, R.L. Langenfels, N.B.A. Trivett and I. Levin, 1996. Sulfur hexafluoride - a powerful new atmospheric tracer. Atmosph. Environment 30, 1621-1629.

1995

• Rozanski, K., I. Levin, J. Stock, R.E. Guevara Falcon and F. Rubio, 1995. Atmospheric ¹⁴CO₂ variations in the equatorial region. Radiocarbon 37, 509-515.
• Levin, I., R. Graul, and N.B.A. Trivett, 1995. Long term observations of atmospheric CO₂ and carbon isotopes at continental sites in Germany. Tellus 47B, 23-34.

1994

• Worthy, D.E.J., N.B.A. Trivett, J.F. Hopper, J.W. Bottenheim and I. Levin, 1994. Analysis of long range transport events at Alert, N.W.T., during the Polar Sunrise Experiment. J. Geophys. Res. 99, D12, 25 329-25 344.
• Hesshaimer, V., M. Heimann and I. Levin, 1994. Radiocarbon evidence for a smaller oceanic carbon dioxide sink than previously believed. Nature 370, 201-203.
• Maiss, M. and I. Levin, 1994. Global increase of SF₆ observed in the atmosphere. Geophys. Res. Lett. 21, 569-572.

Review Articles & Book Chapters:

• Levin, I. and Karstens, U. 2007. Quantifying fossil fuel CO2 over Europe. In: A. J. Dolman, A. Freibauer and R. Valentini (Eds.) Observing the Continental Scale Greenhouse Gas Balance of Europe. Springer-Verlag, Heidelberg.
• Levin, I. and V. Hesshaimer, 2000. Radiocarbon - a unique tracer of global carbon cycle dynamics. Radiocarbon 42, 69-80.

Diploma-, Master- and PhD Theses since 1996:

• Hoheisel, A., 2015, Test einer neuen Methode zur Radonflussbestimmung mit Hilfe eines Rad7-Gerätes.
  Bachelor Thesis.
• Roos, M., 2015, Atmosphärische ¹⁴CO₂- und ²²²Radon-Messungen im Rahmen von ICOS-D.
  State Examination Thesis.
• Schwingshackl, C., 2013, Experimental Validation of a Radon-222 Flux Map.
  Master Thesis.
• Elsässer, C., 2013, Exploration of 10Be ice core records using a climatological model approach: Cosmogenic production versus climate variability.
  PhD Thesis.
• Roos, M., 2013, Optimierung des Graphitisierungsprozesses zur Probenvorbereitung von 14C-Messungen mittels AMS.
  Bachelor Thesis.
• Schmithüsen, D., 2012, Atmospheric and soil flux radon measurements in Heidelberg.
  Diploma Thesis.
• Kromer, H., 2012. Untersuchung der Präzision und Reproduzierbarkeit von 14C-Messungen mit dem AMS-Beschleuniger MICADAS.
  Bachelor Thesis.
• Vardag, S.N., 2012, CO₂ source apportionment in the Heidelberg region using continuous 13CO₂ measurements.
  Master Thesis.
• Asgeirsson, B., 2012, Modelling radiocarbon and carbon cycle changes from the Last Glacial Maximum to the Holocene
  Master Thesis.
• Konrad, G., 2011, Charakterisierung eines Fourier Transform Infrarot Spektrometers zur Messung atmosphärischer Spurengase und Vergleich mit etablierten Messmethoden.
  State Examination Thesis.
• Wagner, V., 2011, Atmospheric trace gas and isotope measurements to monitor the effect of local emission changes in Isny im Allgäu.
  Diploma Thesis.
• Ripp, C., 2010. Identizierung und Abschätzung der Quellstärke lokaler und regionaler SF6-Quellen.
  Bachelor Thesis.
• Eichelmann, E., 2010, Evaluation of long-term continuous atmospheric N₂O measurements in Heidelberg.
  Diploma Thesis.
• Vogel, F., 2010, 14CO₂-calibrated carbon monoxide as proxy to estimate the regional fossil fuel CO₂ component at hourly resolution.
  PhD thesis.
• Müller, L., 2009, Setup of a combined gaschromatographic system at the stations Schauinsland and Zugspitze for monitoring atmospheric H₂ and other greenhouse gases.
  Diploma Thesis.
• Jeschka, J., 2009, Setting up a new observation site for fossil fuel CO₂ and other traces gases in Isny: A case study for long-term atmospheric monitoring.
  Diploma Thesis.
• Schillert, A., 2009, Parameters influencing the seasonality of H₂ uptake in soils.
  State Examination Thesis.
• Hanselmann, A., 2008, Field study to assess uptake and emission of trace gases from soils.
  Diploma Thesis.
• Hammer, S., 2008, Quantification of the regional H₂ sources and sinks inferred from atmospheric trace gas variability.
  PhD Thesis.
• Rentrop, M., 2007, Untersuchung natürlicher und anthropogener Quellen und Senken von Treibhausgasen im Rahmen von CarboSchools.
  State Examination Thesis.
• Kaul, M., 2007, Isotopenverhältnisse im atmosphärischen Kohlendioxid und seine Quellen im Raum Heidelberg.
  State Examination Thesis.
• Schmitt, S., 2007, Field investigation of the parameters controlling the soil sink of atmospheric molecular hydrogen.
  Diploma Thesis.
• Schönherr, C., 2005, Investigating Carbon Dioxide, Carbon Monoxide and Fossil Fuel CO₂ in Heidelberg.
  Diploma Thesis.
• Naegler, T., 2005, Simulating Bomb Radiocarbon: Consequences For The Global Carbon Cycle.
  PhD Thesis.
• Schell, S., 2004, ²²²Radon-Profil-Messungen in Süd- und Ostdeutschland, Anwendung der Radon-Tracer-Methode zur Berechnung von CO₂- und CH₄- Flüssen,
  Diploma Thesis.
• Frese, K., 2004. Auswertung flugzeuggestützter CO₂-Messungen über Europa und Sibirien,
  Diploma Thesis.
• Gamnitzer, U., 2003. Bilanzierung der Kohlendioxidemissionen in der Region Heidelberg mit Hilfe atmosphärischer CO₂-, ¹⁴CO₂- und CO-Messungen,
  Diploma Thesis.
• Poß, C., 2003. Untersuchung der Variabilität des atmosphärischen Methanhaushalts hochpolarer Breiten anhand eines regionalen Trajektorienmodells und der Messung stabiler Isotope,
  PhD Thesis.
• Cuntz, M., 2002. A comprehensive global 3D model of ¹⁸O in atmospheric CO₂,
  PhD Thesis.
• Veidt, C., 2002. Umbau und Test der Heidelberger Methan-Isotopen-Aufbereitung für die Deuterium-Analyse von Reinluftproben mit Infrarotabsorptionsspektroskopie,
  Diploma Thesis.
• Langendörfer, U., 2001. Sauerstoffisotope als Indikator für biosphärische CO₂ Bruttoflüsse - eine Machbarkeitsstudie,
  PhD Thesis.
• Schmidt, R., 2001. Entwicklung eines trajektoriengestützten Modells zur Bestimmung der Methanquellen der nördlichen Nordhemisphäre,
  Diploma Thesis.
• Salewski, W., 2001. Aufbau und Test eines automatischen Luftprobennahme-systems zur Isotopenanalyse von CO₂-Tagesgängen,
  Diploma Thesis.
• Bader, J., 2001. Gaschromatographische Messungen von atmosphärischem CH₄, CO₂, N₂O und SF₆ am Schauinsland und an der Zugspitze,
  Diploma Thesis.
• Jutzi, S., 2001. Verteilung der Boden-²²²Radon-Exhalation in Europa,
  State Examination Thesis.
• Neumann, E., 1999. Methanemissionen aus natürlichen Feuchtgebieten,
  State Examination Thesis.
• Naegler, T., 1999. Aufbau und Charakterisierung eines IR-CO₂-Monitor-Systems zur Bestimmung biosphärischer CO₂-Variabilität,
  Diploma Thesis.
• Schmidt, M., 1999. Messung und Bilanzierung anthropogener Treibhausgase in Deutschland,
  PhD Thesis.
• Poß, C., 1998. Messung stabiler Methan-Isotopomere an Quellen und Luftproben der nördlichen Nordhemisphäre,
  Diploma Thesis.
• Marik, T., 1998. Atmospheric ¹³C and D Measurements to Balance the Global Methane Budget,
  PhD Thesis.
• Neubert, R., 1998. Messung der stabilen Isotopomere des atmosphärischen Kohlendioxids,
  PhD Thesis.
• Bönisch, H., 1997. Aufbau einer teilautomatisierten Aufbereitungsapparatur für Methan aus Luftproben zur massenspektrometrischen Isotopiebestimmung,
  Diploma Thesis
• Cuntz, M., 1997. Der Heidelberger ²²²Radon-Monitor: Kalibrierung, Optimierung, Anwendung,
  Diploma Thesis.
• Glatzel-Mattheier, H., 1997. Bilanzierung von CH₄-Emissionen in Deutschland anhand atmosphärischer Messungen in Heidelberg,
  PhD Thesis.
• Hesshaimer, V., 1997. Tracing the Global Carbon Cycle with Bomb Radiocarbon,
  PhD Thesis.
• Bräunlich, M., 1996. Gaschromatographische Messungen von atmosphärischem N₂O in Heidelberger Luft,
  Diploma Thesis.