Publications

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

2020, Tu, Q., Hase, F., Blumenstock, T., Kivi, R., Heikkinen, P., Sha, M. K., Raffalski, U., Landgraf, J., Lorente, A., Borsdorff, T., Chen, H., Dietrich, F., and Chen, J., Intercomparison of atmospheric CO2 and CH4 abundances on regional scales in boreal areas using Copernicus Atmosphere Monitoring Service (CAMS) analysis, COllaborative Carbon Column Observing Network (COCCON) spectrometers, and Sentinel-5 Precursor satellite observations, Atmospheric Measurement Techniques, 13, 4751–4771, https://doi.org/10.5194/amt-13-4751-2020
Tags: CH4, CO2, FTIR, Model

2020, Safieddine, S., Marie Bouillon, Ana-claudia Paracho, Julien Jumelet, Florent Tence, et al, Antarctic ozone enhancement during the 2019 sudden stratospheric warming event, Geophysical Research Letters, 47 (14), e2020GL087810, https://doi.org/10.1029/2020GL087810
Tags: Lidar, Ozone, SSW, UVVis

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, 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

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, Denton, M.H., Kivi R, Ulich T, Rodger C.J, Clilverd M.A, Denton J.S, Lester M, Observed response of stratospheric and mesospheric composition to sudden stratospheric warmings, Journal of Atmospheric and Solar-Terrestrial Physics, 191, https://doi.org/10.1016/j.jastp.2019.06.001
Tags: Sonde, SSW

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