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Radiokohlenstoff und Tracer für fossiles CO2 Publikationen

Neueste Veröffentlichungen:

2024

  • Steiner, M., Peters, W., Luijkx, I., Henne, S., Chen, H., Hammer, S., & Brunner, D. (2024). European CH 4 inversions with ICON-ART coupled to the CarbonTracker Data Assimilation Shell. Atmospheric Chemistry and Physics, 24(4), 2759-2782. 

    https://doi.org/10.5194/acp-24-2759-2024

  • Vogel, F., & Hammer, S. (2024). Ingeborg Levin (1953—2024). Science, 383(6690), 1417-1417. 

    https://doi.org/10.1126/science.ado8559

  • Maier, F., Rödenbeck, C., Levin, I., Gerbig, C., Gachkivskyi, M., & Hammer, S. (2024). Potential of 14 C-based vs. Δ CO-based Δ ffCO 2 observations to estimate urban fossil fuel CO 2 (ffCO 2) emissions. Atmospheric Chemistry and Physics, 24(14), 8183-8203. 

    https://doi.org/10.5194/acp-24-8183-2024

  • Maier, F., Levin, I., Conil, S., Gachkivskyi, M., Denier van der Gon, H., & Hammer, S. (2024). Uncertainty in continuous Δ CO-based Δ ffCO 2 estimates derived from 14 C flask and bottom-up Δ CO/Δ ffCO 2 ratios. Atmospheric Chemistry and Physics, 24(14), 8205-8223. 

    https://doi.org/10.5194/acp-24-8205-2024

  • Graven, H. D., Warren, H., Gibbs, H. K., Khatiwala, S., Koven, C., Lester, J., ... & Wieder, W. (2024). Bomb radiocarbon evidence for strong global carbon uptake and turnover in terrestrial vegetation. Science, 384(6702), 1335-1339. 

    https://doi.org/10.1126/science.adl4443

  • Chanca, I., Levin, I., Trumbore, S., Macario, K., Lavric, J., Quesada, C. A., ... & Sierra, C. (2024). How long does carbon stay in a near-pristine central Amazon forest? An empirical estimate with radiocarbon. EGUsphere, 2024, 1-23. 

    https://doi.org/10.5194/egusphere-2024-883

  • Machado, L. A. T., Kesselmeier, J., Botia, S., Van Asperen, H., de Araújo, A. C., Artaxo, P., Edtbauer, A., Ferreira, R., Harder, H., Jones, S., Dias-Júnior, C. Q., Haytzmann, G. G., Quesada, C. A., Komiya, S., Lavric, J., Lelieveld, J., Levin, I., Nölscher, A., Pfannerstill, E., Pöhlker, M., Pöschl, U., Ringsdorf, A., Rizzo, L., Yáñez-Serrano, A. M., Trumbore, S., Valenti, W. I. D., Vila-Guerau de Arellano, J., Walter, D., Williams, J., Wolff, S., and Pöhlker, C (2024): How Rainfall Events Modify Trace Gas Concentrations in Central Amazonia, EGUsphere [preprint], 

    https://doi.org/10.5194/egusphere-2023-2901

  • Papale, D., and Coauthors (2024): Standards and Open Access are the ICOS Pillars: Reply to “Comments on ‘The Integrated Carbon Observation System in Europe’”, Bull. Amer. Meteor. Soc., 104, 953–955, 

    https://doi.org/10.1175/BAMS-D-23-0216.1

2023

  • Zazzeri, G., Graven, H., Xu, X., Saboya, E., Blyth, L., Manning, A.J., Chawner, H., Wu, D. and Hammer, S. (2023): Radiocarbon measurements reveal underestimated fossil CH4 and CO2 emissions in London. Geophysical Research Lett. 50, 

    https://doi.org/10.1029/2023GL103834

  • Karstens, U. and Levin, I. (2023): Update and evaluation of a process-based radon flux map for Europe (V1.0). ICOS RI, 

    https://hdL.handle.net/11676/8PqEdm7ARD6aPepClmktPm2K

  • Rödenbeck, C., Adcock, K. E., Eritt, M., Gachkivsky, M., Gerbig, C., Hammer, S., Jordan, A., Keeling, R. F., Levin, I., Maier, F., Manning, A. C., Moossen, H., Munassar, S., Pickers, P. A., Rothe, M., Tohjima, Y., and Zaehle, S. (2023): The suitability of atmospheric oxygen measurements to constrain Western European fossil-fuel CO2 emissions and their trends, Atmos.Chem.Phys., 23, 15767-15782, 

    https://doi.org/10.5194/acp-23-15767-2023

  • Steiner, M., Peters, W., Luijkx, I., Henne, S., Chen, H., Hammer, S., and Brunner, D. (2023): European CH4 inversions with ICON-ART coupled to CarbonTracker Data Assimilation Shell, EGUsphere [preprint], 

    https://doi.org/10.5194/egusphere-2023-853

  • Hammer, S., Levin, I. (2023): Atmosphere Thematic Centre, ICOS-CAL-FCL (2023). Atmospheric CH4 product, Heidelberg (30.0 m), 1996-01-01–2023-03-31, European ObsPack, 

    https://hdl.handle.net/11676/iHEvIV3yodKr7xb0fvQXxUrf

  • Worthy, D. E. J., Rauh, M. K., Huang, L., Vogel, F. R., Chivulescu, A., Masarie, K. A., Langenfelds, R. L., Krummel, P. B., Allison, C. E., Crotwell, A. M., Madronich, M., Pétron, G., Levin, I., Hammer, S., Michel, S., Ramonet, M., Schmidt, M., Jordan, A., Moossen, H., Rothe, M., Keeling, R., and Morgan, E. J. (2023): Results of a Long-Term International Comparison of Greenhouse Gas and Isotope Measurements at the Global Atmosphere Watch (GAW) Observatory in Alert, Nunavut, Canada, Atmos. Meas. Tech., 16, 5909–5935, 

    https://doi.org/10.5194/amt-16-5909-2023

  • Ramonet, M., Chatterjee, A., Ciais, P., Levin, I., Sha, M., Steinbacher, M., and Sweeney, C. (2023): CO2 in the atmosphere: growth and trends since 1850. In Oxford Research Encyclopedia of Oxford Research Encyclopedia of Climate Science. Oxford University Press. 

    https://doi.org/10.1093/acrefore/9780190228620.013.863

  • Maier, F., Levin, I., Gachkivskyi, M., Rödenbeck, C. and Hammer, S. (2023): Estimating regional fossil-fuel CO2 concentrations from 14CO2 observations: Challenges and uncertainties. Phil. Trans. R. Soc. A 381:20220203. 

    https://doi.org/10.1098/rsta.2022.0203

2022

  • Levin, I. and Hammer, S. (2022): Supplementary data to Levin et al. (2022), Continuous measurements of 14C in atmospheric CO2 at Cape Grim, 1987-2016. 

    https://doi.org/10.18160/8F31-EQDJ

  • Apadula, F., Arnold, S., Bergamaschi, P., Biermann, T., Blanc, P.-E., Brunner, D., Chen, H., Chmura, L., Colomb, A., Conil, S., Couret, C., Cristofanelli, P., De Mazière, M., Delmotte, M., Emmenegger, L., Forster, G., Frumau, A., Gerbig, C., Gheusi, F., Hammer, S., Haszpra, L., Hatakka, J., Heliasz, M., Heltai, D., Henne, S., Hensen, A., Hermansen, O., Hoheisel, A., Kneuer, T., Komínková, K., Kubistin, D., Laurent, O., Laurila, T., Lehner, I., Lehtinen, K., Leskinen, A., Leuenberger, M., Levin, I., Levula, J., Lindauer, M., Lopez, M., Lund Myhre, C., Lunder, C., Mammarella, I., Manca, G., Manning, A., Marek, M., Marklund, P., Martin, D., Meinhardt, F., Mölder, M., Müller-Williams, J., Narbaud, C., Necki, J., O'Doherty, S., Ottosson-Löfvenius, M., Philippon, C., Piacentino, S., Pichon, J.-M., Pitt, J., Platt, S.M., Plaß-Dülmer, C., Ramonet, M., Rivas-Soriano, P., Scheeren, B., Schmidt, M., Schumacher, M., Sha, M.K., Smith, P., Spain, G., Steinbacher, M., Sørensen, L.L., Trisolino, P., Vermeulen, A., Vítková, G., Xueref-Remy, I., Yver-Kwok, C., di Sarra, A., ICOS Atmosphere Thematic Centre, ICOS Flask And Calibration Laboratory (FCL), ICOS Central Radiocarbon Laboratory (CRL), ICOS ERIC (2022): European atmospheric CO2 and CH4 Mole Fraction data product 2022. 

    https://doi.org/10.18160/1RE0-2GKH

  • Maier, F., Gerbig, C., Levin, I., Super, I., Marshall, J., and Hammer, S. (2022): 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

  • Levin, I., Hammer, S., Kromer, B., Preunkert, S., Weller, R., and Worthy, D.E. (2022): Radiocarbon in tropospheric carbon dioxide, Radiocarbon, Vol 64, Nr 4, 2022, p 781–791. 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, 

    https://doi.org/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. 

    https://doi.org/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

  • Levin, I. and Hammer, S. (2021): 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

  • 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, Cham, Switzerland, 509-532. 

    https://doi.org/10.1007/978-3-030-52171-4_17

  • 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. (2020): A dedicated flask sampling strategy developed for ICOS stations based on CO2 and CO measurements and STILT footprint modelling, Atmos. Chem. Phys., 11161-11180, 

    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. Yver Kwok (2020): The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO2 measurements. Philos. T. R. Soc. B 375: 20190513, 

    https://dx.doi.org/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. (2020): Inter-comparison study of atmospheric 222Rn and 222Rn progeny monitors. Atmos. Meas. Tech., 13, 2241–2255, 

    https://doi.org/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, 

    https://doi.org/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., 

    https://doi.org/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, 

    https://doi.org/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, 

    https://doi.org/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 

    https://doi.org/10.5194/amt-11-1549-2018

  • Major, I., Haszpra, L., Rinyu, L., Futó, I., Bihari, Á., Hammer, S., Jull, A.J.T., and Molnár, M. (2018): Temporal Variation of Atmospheric Fossil and Modern CO2 Excess at a Central European Rural Tower Station between 2008 and 2014.Radiocarbon, 60(5), 1285-1299 

    https://doi.org/10.1017/RDC.2018.79

  • Palonen, V., Pumpanen, J., Kulmala, L., Levin, I., Heinonsalo, J. and Vesala, T. (2018): Seasonal and diurnal variations in atmospheric and soil air 14CO2 in a boreal Scots Pine forest. Radiocarbon, 60(1), 283-297, 

    https://doi.org/10.1017/RDC.2017.95

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, 

    https://doi.org/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, 

    https://doi.org/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, 

    https://doi.org/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, 

    https://doi.org/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. (2017): A European - wide 222Radon and 222Radon progeny comparison study [Dataset], 2017,  

    https://doi.org10.1158/data/10098

  • Hammer, S. and Levin, I. (2017): Monthly mean atmospheric Δ12CO2 at Jungfraujoch and Schauinsland from 1986 to 2016 [Dataset], 

    https://doi.org10.11588/data/10100

  • 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. 

    https://doi.org/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, 

    https://doi.org/10.5194/acp-17-10753-2017

  • Hammer, S., Friedrich, R., Kromer, B., Cherkinsky, A., Lehman, S. J., Meijer, H. A., Nakamura, T., Palonen, V., Reimer, R.W,, Smith, A.M., Southon, J.R., Szidat, S., Turnbull, J., and Uchida; M. (2017): Compatibility of atmospheric 14CO2 measurements: Comparing the Heidelberg low-level counting facility to international accelerator mass spectrometry (AMS) laboratories. Radiocarbon, 59(3), 875-883, 

    https://doi.org/10.1017/RDC.2016.62

 

 

English

Dr. Samuel Hammer