Publications

2020, Hagen, J., Luder, Andres; Murk, Axel; Kämpfer, Niklaus, Frequency-Agile FFT Spectrometer for Microwave Remote Sensing Applications., Atmosphere, 11(5), 490, https://doi.org/10.3390/atmos11050490
Tags: Microwave, Wind

2020, Maillard-Barras, E., Haefele, A., Nguyen, L., Tummon, F., Ball, W. T., Rozanov, E. V., Rüfenacht, R., Hocke, K., Bernet, L., Kämpfer, N., Nedoluha, G., and Boyd, I., Study of the dependence of stratospheric ozone long-term trends on local solar time, Atmospheric Chemistry and Physics, 20, 8453–8471, https://doi.org/10.5194/acp-20-8453-2020
Tags: Diurnal, Microwave, Ozone, Trends

2020, Nedoluha, G.E., et al., Initial Results and Diurnal Variations Measured by a new Microwave Stratospheric ClO Instrument at Mauna Kea, Journal of Geophysical Research, https://doi.org/10.1029/2020JD033097
Tags: ClO, Diurnal, Microwave

2020, Byrne, B., J. Liu, M. Lee, I. Baker, K. W. Bowman, N. M. Deutscher, D. G. Feist, D. W. T. Griffith, L. T. Iraci, M. Kiel, J. S. Kimball, C. E. Miller, I. Morino, N. C. Parazoo, C. Petri, C. M. Roehl, M. K. Sha, K. Strong, V. A. Velazco, P. O. Wennberg, D. Wunch, Improved constraints on northern extratropical CO2 fluxes obtained by combining surface-based and space-based atmospheric CO2 measurements, Journal of Geophysical Research: Atmospheres, 125, e2019JD032029, https://doi.org/10.1029/2019JD032029
Tags: CO2, FTIR, Satellite

2020, Reuter, M., M. Buchwitz, O. Schneising, S. Noël, H. Bovensmann, J.P. Burrows, H. Boesch, A. Di Noia, J. Anand, R.J. Parker, P. Somkuti, L. Wu, O.P. Hasekamp, I. Aben, A. Kuze, H. Suto, K. Shiomi, Y. Yoshida, I. Morino, D. Crisp, C. O'Dell, J. Notholt, C. Petri, T. Warneke, V. Velazco, N.M. Deutscher, D.W.T. Griffith, R. Kivi, D. Pollard, F. Hase, R. Sussmann, Y.V. Té,K. Strong, S. Roche, M.K. Sha, M. De Mazière, D.G. Feist, L.T. Iraki, C. Roehl, C. Retscher, and D. Schepers, Ensemble-based satellite-derived carbon dioxide and methane column-averaged dry-air mole fraction data sets (2003–2018) for carbon and climate applications, Atmospheric Measurement Techniques, 13, 789-819, https://doi.org/10.5194/amt-13-789-2020
Tags: CH4, CO2, FTIR, Satellite

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, 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, 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, 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