Publications

2020, Oshio, H., Yukio Yoshida, Tsuneo Matsunaga, Nicholas M. Deutscher, Manvendra Dubey, David W.T. Griffith, Frank Hase, Laura T. Iraci, Rigel Kivi, Cheng Liu, Isamu Morino, Justus Notholt, Young-Suk Oh, Hirofumi Ohyama, Christof Petri, David F. Pollard, Coleen Roehl, Kei Shiomi, Ralf Sussmann, Yao Té, Voltaire A. Velazco, Thorsten Warneke, Debra Wunch, Bias correction of the ratio of total column CH4 to CO2 retrieved from GOSAT spectra, Remote Sensing, 12, 3155, https://doi.org/10.3390/rs12193155
Tags: CH4, CO2, FTIR, Satellite

2020, Ohyama, H., Isamu Morino, Voltaire A. Velazco, Theresa Klausner, Gerry Bagtasa, Matthäus Kiel, Matthias Frey, Akihiro Hori, Osamu Uchino, Tsuneo Matsunaga, Nicholas Deutscher, Joshua P. DiGangi, Yonghoon Choi, Glenn S. Diskin, Sally E. Pusede, Alina Fiehn, Anke Roiger, Michael Lichtenstern, Hans Schlager, Pao K. Wang, Charles C.-K. Cho, Maria Dolores Andrés-Hernández, and John P. Burrows, Validation of XCO2 and XCH4 retrieved from a portable Fourier transform spectrometer with those from in-situ profiles from aircraft borne instruments, Atmospheric Measurement Techniques, 13, 5149–5163, https://doi.org/10.5194/amt-13-5149-2020
Tags: CH4, CO2, FTIR, Validation

2019, Ohyama, H., et al., Interannual variation of upper stratospheric ozone in the northern midlatitudes in early winter caused by planetary waves, Journal of Geophysical Research: Atmospheres, 124(24), 14,347-14,361
Tags: Microwave, Ozone

2019, Lainer, M., Klemens Hocke, Ellen Eckert, Niklaus Kämpfer, Significant decline of mesospheric water vapor at the NDACC site near Bern in the period 2007 to 2018, Atmospheric Chemistry and Physics, 19, 6611-6620
Tags: H2O, Microwave

2019, Bernet, L., von Clarmann T., Godin-Beekmann S., Ancellet G., Maillard Barras E., Stübi R., Steinbrecht W., Kämpfer N., Hocke K., Ground-based ozone profiles over central Europe: incorporating anomalous observations into the analysis of stratospheric ozone trends, Atmospheric Chemistry and Physics, 19 (7), pp.4289-4309, https://doi.org/10.5194/acp-19-4289-2019
Tags: Microwave, Ozone, Sonde, Trends

2019, Schranz, F., Tschanz, B., Rüfenacht, R., Hocke, K., Palm, M., & Kämpfer, N., Investigation of Arctic middle-atmospheric dynamics using 3 years of H2O and O3 measurements from microwave radiometers at Ny-Ålesund, Atmospheric Chemistry and Physics, 19, 9927–9947, https://doi.org/10.5194/acp-19-9927-2019
Tags: H2O, Microwave, Ozone

2019, Zhou, X., Langerock, B., Wells, K. C., Millet, D. B., Vigouroux, C., Sha, M. K., Hermans, C., Metzger, J.-M., Kivi, R., Heikkinen, P., Smale, D., Pollard, D. F., Jones, N., Deutscher, N. M., Blumenstock, T., Schneider, M., Palm, M., Notholt, J., Hannigan, J. W., and De Mazière, M., An intercomparison of total column-averaged nitrous oxide between ground-based FTIR TCCON and NDACC measurements at seven sites and comparisons with the GEOS-Chem model, Atmospheric Measurement Techniques, 12, 1393–1408, https://doi.org/10.5194/amt-12-1393-2019
Tags: CH4, FTIR

2019, Schneising, O., M. Buchwitz, M. Reuter, H. Bovensmann, J.P. Burrows, T. Borsdorff, N.M. Deutscher, D.G. Feist, D.W.T. Griffith, F. Hase, C. Hermans, L.T. Iraci, R. Kivi, J. Landgraf, I. Morino, J. Notholt, C. Petri, D.F. Pollard, S. Roche, K. Shiomi, K. Strong, R. Sussmann, V.A. Velazco, T. Warneke, and D. Wunch, A scientific algorithm to simultaneously retrieve carbon monoxide and methane from TROPOMI onboard Sentinel-5 Precursor, Atmospheric Measurement Techniques, 12, 6771–6802, https://doi.org/10.5194/amt-12-6771-2019
Tags: Algorithm, CH4, CO, FTIR, Satellite

2019, Kivimäki, E., et al., Evaluation and Analysis of the Seasonal Cycle and Variability of the Trend from GOSAT Methane Retrievals, Remote Sensing, 11, 882, 2019
Tags: CH4, FTIR, Trends

2019, Ji, D., Zhou, M., Wang, P., Yang, Y., Wang, T., Sun, X., Hermans, C., Yao, B., and Wang, G., Deriving Temporal and Vertical Distributions of Methane in Xianghe Using Ground-based Fourier Transform Infrared and Gas-analyzer Measurements, Advances in the Atmospheric Sciences, 37(6), 597-607, https://doi.org/10.1007/s00376-020-9233-4
Tags: CH4, FTIR