Chen, T., Rossow, W. B., and Zhang, Y.: Radiative effects of cloud-type variations, J. Climate, 13, 264–286,
https://doi.org/10.1175/1520-0442(2000)013<0264:REOCTV>2.0.CO;2, 2000.
a
Cox, C. and Munk, W.: Measurement of the roughness of the sea surface from photographs of the sun’s glitter, J. Opt. Soc. Am, 44, 838–850, 1954a. a
Cox, C. and Munk, W.: Statistics of the sea surface derived from sun glitter, J. Mar. Res., 13, 198–227, 1954b. a
Dekoutsidis, G.: Contrails and contrail-cirrus clouds characteristics based on satellite images and their relation to the atmospheric conditions, in: XXXIIème Colloque International de l'AIC: Climatic Change, Variability and Climatic Risks, Association International de Climatologie,
https://doi.org/10.13140/RG.2.2.12901.42728, 2019.
a
Dekoutsidis, G., Feidas, H., and Bugliaro, L.: Contrail detection on SEVIRI images and 1-year study of their physical properties and the atmospheric conditions favoring their formation over Europe, Theor. Appl. Climatol., 151, 1931–1948,
https://doi.org/10.1007/s00704-023-04357-9, 2023.
a
Driver, O. G. A., Stettler, M. E. J., and Gryspeerdt, E.: Factors limiting contrail detection in satellite imagery, Atmos. Meas. Tech., 18, 1115–1134,
https://doi.org/10.5194/amt-18-1115-2025, 2025.
a,
b
Duda, D. P., Minnis, P., Nguyen, L., and Palikonda, R.: A case study of the development of contrail clusters over the Great Lakes, J. Atmos. Sci., 61, 1132–1146,
https://doi.org/10.1175/1520-0469(2004)061<1132:ACSOTD>2.0.CO;2, 2004.
a
Emde, C., Buras-Schnell, R., Kylling, A., Mayer, B., Gasteiger, J., Hamann, U., Kylling, J., Richter, B., Pause, C., Dowling, T., and Bugliaro, L.: The libRadtran software package for radiative transfer calculations (version 2.0.1), Geosci. Model Dev., 9, 1647–1672,
https://doi.org/10.5194/gmd-9-1647-2016, 2016.
a,
b
EUMETSAT: MTG-FCI: ATBD for Optimal Cloud Analysis Product, Doc.No.: EUM/MTG/DOC/11/0654,
https://user.eumetsat.int/s3/eup-strapi-media/pdf_mtg_atbd_oca_b1ba8fc34c.pdf (last access: 17 October 2024), 2016.
a,
b
EUMETSAT: Local GRIB tables used at EUMETSAT, Doc.No.: EUM/TSS/TEN/13/711807,
https://user.eumetsat.int/s3/eup-strapi-media/pdf_mpef_local_grib_descript_4b2b880d62.pdf (last access: 24 September 2024), 2019. a
Forster, L. and Mayer, B.: Ice crystal characterization in cirrus clouds III: retrieval of ice crystal shape and roughness from observations of halo displays, Atmos. Chem. Phys., 22, 15179–15205,
https://doi.org/10.5194/acp-22-15179-2022, 2022.
a
Fu, Q., Yang, P., and Sun, W.: An accurate parameterization of the infrared radiative properties of cirrus clouds for climate models, J. Climate, 11, 2223–2237,
https://doi.org/10.1175/1520-0442(1998)011<2223:AAPOTI>2.0.CO;2, 1998.
a,
b
Gasteiger, J., Emde, C., Mayer, B., Buras, R., Buehler, S., and Lemke, O.: Representative wavelengths absorption parameterization applied to satellite channels and spectral bands, J. Quant. Spectrosc. Ra., 148, 99–115,
https://doi.org/10.1016/j.jqsrt.2014.06.024, 2014.
a
Gettelman, A., Chen, C.-C., and Bardeen, C. G.: The climate impact of COVID-19-induced contrail changes, Atmos. Chem. Phys., 21, 9405–9416,
https://doi.org/10.5194/acp-21-9405-2021, 2021.
a
Graf, K., Schumann, U., Mannstein, H., and Mayer, B.: Aviation induced diurnal North Atlantic cirrus cover cycle, Geophys. Res. Lett., 39, L16804,
https://doi.org/10.1029/2012GL052590, 2012.
a
Haywood, J. M., Allan, R. P., Bornemann, J., Forster, P. M., Francis, P. N., Milton, S., Rädel, G., Rap, A., Shine, K. P., and Thorpe, R.: A case study of the radiative forcing of persistent contrails evolving into contrail-induced cirrus, J. Geophys. Res.-Atmos., 114,
https://doi.org/10.1029/2009JD012650, 2009, 2009.
a,
b
Hoese, D.: SatPy: A Python library for weather satellite processing, in: 99th American Meteorological Society Annual Meeting, American Meteorological Society, 99, 4.2,
https://ui.adsabs.harvard.edu/abs/2019AMS....9953332H (last access: 22 December 2025), 2019.
a,
b
Howitt, O. J., Carruthers, M. A., Smith, I. J., and Rodger, C. J.: Carbon dioxide emissions from international air freight, Atmos. Environ., 45, 7036–7045,
https://doi.org/10.1016/j.atmosenv.2011.09.051, 2011.
a
IPCC (Ed.): Climate Change 2023: Synthesis Report. Contribution of Working Groups I, II and III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change, IPCC, Geneva, Switzerland,
https://www.ipcc.ch/report/sixth-assessment-report-synthesis-report/ (last access: 25 March 2024), 2023. a
Järvinen, E., Jourdan, O., Neubauer, D., Yao, B., Liu, C., Andreae, M. O., Lohmann, U., Wendisch, M., McFarquhar, G. M., Leisner, T., and Schnaiter, M.: Additional global climate cooling by clouds due to ice crystal complexity, Atmos. Chem. Phys., 18, 15767–15781,
https://doi.org/10.5194/acp-18-15767-2018, 2018.
a,
b
Kärcher, B. and Burkhardt, U.: Effects of optical depth variability on contrail radiative forcing, Q. J. Roy. Meteor. Soc., 139, 1658–1664, 2013. a
Kärcher, B., Mayer, B., Gierens, K., Burkhardt, U., Mannstein, H., and Chatterjee, R.: Aerodynamic contrails: Microphysics and optical properties, J. Atmos. Sci., 66, 227–243, 2009. a
Lee, D. S., Fahey, D. W., Forster, P. M., Newton, P. J., Wit, R. C., Lim, L. L., Owen, B., and Sausen, R.: Aviation and global climate change in the 21st century, Atmos. Environ., 43, 3520–3537,
https://doi.org/10.1016/j.atmosenv.2009.04.024, 2009.
a
Lee, D. S., Fahey, D. W., Skowron, A., Allen, M. R., Burkhardt, U., Chen, Q., Doherty, S. J., Freeman, S., Forster, P. M., Fuglestvedt, J., Gettelman, A., De León, R. R., Lim, L. L., Lund, M. T., Millar, R. J., Owen, B., Penner, J. E., Pitari, G., Prather, M. J., Sausen, R., and Wilcox, L. J.: The contribution of global aviation to anthropogenic climate forcing for 2000 to 2018, Atmos. Environ., 244, 117834,
https://doi.org/10.1016/j.atmosenv.2020.117834, 2021.
a,
b,
c,
d
Markowicz, K. M. and Witek, M.: Sensitivity study of global contrail radiative forcing due to particle shape, J. Geophys. Res.-Atmos., 116, D23203,
https://doi.org/10.1029/2011JD016345, 2011.
a
Mecikalski, J. R., Watts, P. D., and Koenig, M.: Use of Meteosat Second Generation optimal cloud analysis fields for understanding physical attributes of growing cumulus clouds, Atmos. Res., 102, 175–190,
https://doi.org/10.1016/j.atmosres.2011.06.023, 2011.
a
Meijer, V. R., Kulik, L., Eastham, S. D., Allroggen, F., Speth, R. L., Karaman, S., and Barrett, S. R.: Contrail coverage over the United States before and during the COVID-19 pandemic, Environ. Res. Lett., 17, 034039,
https://doi.org/10.1088/1748-9326/ac26f0, 2022.
a,
b
Ortiz, I., Dimitropoulou, E., de Buyl, P., Clerbaux, N., García-Heras, J., Jafarimoghaddam, A., Brenot, H., van Gent, J., Sievers, K., Otero, E., Loganathan, P., and Manuel Soler, M.: Satellite-Based Quantification of Contrail Radiative Forcing over Europe: A Two-Week Analysis of Aviation-Induced Climate Effects, arXiv [preprint],
https://doi.org/10.48550/arXiv.2409.10166, 7 November 2024.
a
Ortiz I., García-Heras J., Jafarimoghaddam A., and Soler M.: Robust Evaluation of OpenContrails dataset using Neural Networks with Temporal Corrections via Optical Flow, IEEE Trans. Geosci. Remote Sens., 63,
https://doi.org/10.1109/TGRS.2025.3629628, 2025.
a
Pejovic, T., Noland, R. B., Williams, V., and Toumi, R.: Estimates of UK CO
2 emissions from aviation using air traffic data, Climatic Change, 88, 367–384,
https://doi.org/10.1007/s10584-007-9370-0, 2008.
a
Rädel, G. and Shine, K. P.: Radiative forcing by persistent contrails and its dependence on cruise altitudes, J. Geophys. Res.-Atmos., 113, D07105,
https://doi.org/10.1029/2007JD009117, 2008.
a,
b
Roberto, N.: Satellite analysis of cloud characteristics at different temporal and spatial scales using visible and infrared wavelengths, PhD thesis, SFERA Institutional Repository of University of Ferrara,
https://sfera.unife.it/retrieve/e309ade1-d877-3969-e053-3a05fe0a2c94/284.pdf (last access: 22 December 2025), 2010. a
Rodgers, C. D.: Inverse Methods for Atmospheric Sounding: Theory and Practice, World Scientific, River Edge, USA, ISBN 978-9810227401, 2000. a
Sanz-Morère, I., Eastham, S. D., Speth, R. L., and Barrett, S. R.: Reducing uncertainty in contrail radiative forcing resulting from uncertainty in ice crystal properties, Environ. Sci. Tech. Let., 7, 371–375,
https://doi.org/10.1021/acs.estlett.0c00150, 2020.
a
Schmetz, J., Pili, P., Tjemkes, S., Just, D., Kerkmann, J., Rota, S., and Ratier, A.: An introduction to Meteosat second generation (MSG), B. Am. Meteorol. Soc., 83, 977–992,
https://doi.org/10.1175/1520-0477(2002)083<0977:AITMSG>2.3.CO;2, 2002.
a
Schumann, U.: Formation, properties and climatic effects of contrails, C. R. Phys., 6, 549–565, 2005. a
Schumann, U. and Mayer, B.: Sensitivity of surface temperature to radiative forcing by contrail cirrus in a radiative-mixing model, Atmos. Chem. Phys., 17, 13833–13848,
https://doi.org/10.5194/acp-17-13833-2017, 2017.
a
Schumann, U., Baumann, R., Baumgardner, D., Bedka, S. T., Duda, D. P., Freudenthaler, V., Gayet, J.-F., Heymsfield, A. J., Minnis, P., Quante, M., Raschke, E., Schlager, H., Vázquez-Navarro, M., Voigt, C., and Wang, Z.: Properties of individual contrails: a compilation of observations and some comparisons, Atmos. Chem. Phys., 17, 403–438,
https://doi.org/10.5194/acp-17-403-2017, 2017.
a
Schumann, W., Stark, H., McMullan, K., Aminou, D., and Luhmann, H.: The MSG system, ESA bulletin, 111, 11–14,
https://www.researchgate.net/publication/241275071_The_MSG_system (last access: 22 December 2025), 2002. a
Smith, C. J., Kramer, R. J., Myhre, G., Alterskjær, K., Collins, W., Sima, A., Boucher, O., Dufresne, J.-L., Nabat, P., Michou, M., Yukimoto, S., Cole, J., Paynter, D., Shiogama, H., O'Connor, F. M., Robertson, E., Wiltshire, A., Andrews, T., Hannay, C., Miller, R., Nazarenko, L., Kirkevåg, A., Olivié, D., Fiedler, S., Lewinschal, A., Mackallah, C., Dix, M., Pincus, R., and Forster, P. M.: Effective radiative forcing and adjustments in CMIP6 models, Atmos. Chem. Phys., 20, 9591–9618,
https://doi.org/10.5194/acp-20-9591-2020, 2020.
a
Stamnes, K., Tsay, S.-C., Wiscombe, W., and Laszlo, I.: DISORT, a General-Purpose Fortran Program for Discrete-Ordinate-Method Radiative Transfer in Scattering and Emitting Layered Media: Documentation of Methodology, Tech. rep., Dept. of Physics and Engineering Physics, Stevens Institute of Technology,
https://www.libradtran.org/lib/exe/fetch.php?media=disortreport1.1.pdf (last access: 22 December 2025), 2000. a
Stephens, G. L., Tsay, S.-C., Stackhouse Jr., P. W., and Flatau, P. J.: The relevance of the microphysical and radiative properties of cirrus clouds to climate and climatic feedback, J. Atmos. Sci., 47, 1742–1754,
https://doi.org/10.1175/1520-0469(1990)047<1742:TROTMA>2.0.CO;2, 1990.
a
Teoh, R., Engberg, Z., Schumann, U., Voigt, C., Shapiro, M., Rohs, S., and Stettler, M. E. J.: Global aviation contrail climate effects from 2019 to 2021, Atmos. Chem. Phys., 24, 6071–6093,
https://doi.org/10.5194/acp-24-6071-2024, 2024.
a,
b
Wang, X., Wolf, K., Boucher, O., and Bellouin, N.: Radiative effect of two contrail cirrus outbreaks over Western Europe estimated using geostationary satellite observations and radiative transfer calculations, Geophys. Res. Lett., 51, e2024GL108452,
https://doi.org/10.1029/2024GL108452, 2024.
a,
b,
c,
d,
e,
f,
g,
h,
i,
j,
k,
l,
m,
n,
o
Wang, Z., Bugliaro, L., Jurkat-Witschas, T., Heller, R., Burkhardt, U., Ziereis, H., Dekoutsidis, G., Wirth, M., Groß, S., Kirschler, S., Kaufmann, S., and Voigt, C.: Observations of microphysical properties and radiative effects of a contrail cirrus outbreak over the North Atlantic, Atmos. Chem. Phys., 23, 1941–1961,
https://doi.org/10.5194/acp-23-1941-2023, 2023.
a,
b
Watts, P., Bennartz, R., and Fell, F.: Retrieval of two-layer cloud properties from multispectral observations using optimal estimation, J. Geophys. Res.-Atmos., 116,
https://doi.org/10.1029/2011JD015883, 2011.
a
Wielicki, B. A., Cess, R. D., King, M. D., Randall, D. A., and Harrison, E. F.: Mission to planet Earth: Role of clouds and radiation in climate, B. Am. Meteorol. Soc., 76, 2125–2153,
https://doi.org/10.1175/1520-0477(1995)076<2125:MTPERO>2.0.CO;2, 1995.
a
Wolf, K., Bellouin, N., and Boucher, O.: Sensitivity of cirrus and contrail radiative effect on cloud microphysical and environmental parameters, Atmos. Chem. Phys., 23, 14003–14037,
https://doi.org/10.5194/acp-23-14003-2023, 2023.
a,
b,
c,
d
Yang, P., Bi, L., Baum, B. A., Liou, K.-N., Kattawar, G. W., Mishchenko, M. I., and Cole, B.: Spectrally consistent scattering, absorption, and polarization properties of atmospheric ice crystals at wavelengths from 0.2 to 100
µm, J. Atmos. Sci., 70, 330–347,
https://doi.org/10.1175/JAS-D-12-039.1, 2013.
a,
b,
c,
d,
e,
f,
g
