Publications

2020, Steinbrecht, W., J. Davies, D.W. Tarasick, P. von der Gathen, H. Deckelmann, N. Jepsen, R. Kivi, N. Lyall, M. Palm, J. Notholt, B. Kois, P. Oelsner, R. Dirksen, M. Allaart, A. Pieters, M. Gill, R. van Malderen, A. Del Cloo, P. Skrivankova, R. Süssmann, E. Mahieu, G. Romanens, R. Stübi, G. Ancellet, S. Godin-Beekmann, K. Strong, B. Johnson, P. Cullis, I. Petropavlovskikh, J. Hannigan, J. L. Hernandez, A. D. Rodriguez, T. Nakano, T. Leblanc, C. Torres, O. Garcia, M. Schneider, T. Blumenstock, M. Tully, N. Jones, R. Querel, D. Smale, S. Strahan, A. Inness, R. Engelen , Unusually Low Ozone in the Free Troposphere throughout late Spring and Summer 2020 in the Northern Extratropics, Geophysical Research Letters, 48, e2020GL091987, https://doi.org/10.1029/2020GL091987
Tags: Sonde, Tropospheric Ozone, Model

2020, Yang, D., et al., Toward high precision XCO2 retrievals from TanSat observations: Retrieval improvement and validation against TCCON measurements, Journal of Geophysical Research: Atmospheres, 125, e2020JD032794, https://doi.org/10.1029/2020JD032794
Tags: FTIR, XCO2

2020, Schranz, F., Hagen, J., Stober, G., Hocke, K., Murk, A., and Kämpfer, N., Small-scale variability of stratospheric ozone during the sudden stratospheric warming 2018/2019 observed at Ny-Ålesund, Svalbard, Atmospheric Chemistry and Physics, 20, 10791–10806, https://doi.org/10.5194/acp-20-10791-2020
Tags: Microwave, Ozone, SSW

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, 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, 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

2019, Mendonca, J., K. Strong, D. Wunch, G.C. Toon, D.A. Long, J.T. Hodges, V.T. Sironneau, and J.E. Franklin, Using a speed-dependent Voigt line shape to retrieve O2 from Total Carbon Column Observing Network solar spectra to improve measurements of XCO2, Atmospheric Measurement Techniques, 12, 35-50, https://doi.org/10.5194/amt-12-35-2019
Tags: FTIR, O2, XCO2

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, 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