2023

• Haas, C., G. Spreen, M. Neudert, L. Buth, H. Niehaus, V. Lion, M. Hoppmann, G. Birnbaum, N. Oppelt, J. Rohde (2023). Sea Ice Geophysics and Remote Sensing. In The Expedition PS131 of the Research Vessel Polarstern to the Fram Strait in 2022, Kanzow. T., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 770, 320 p. doi:10.57738/BzPM_0770_2023
• Rückert, J., A. Walbröl, G. Spreen, K. Ebell, M. Mech (2023). Water Vapor, Cloud Liquid Water and Surface Emissivity. In The Expedition PS131 of the Research Vessel Polarstern to the Fram Strait in 2022, Kanzow. T., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 770, 320 p. doi:10.57738/BzPM_0770_2023
• Demir, O., J. Haapala, M. Hoppmann, S. Hendricks, N. Kolabutin, N. Kurz, R. Lei, I. Matero, M. Nicolaus, M. Oggier, I. Raphael, J. Regnery, M. Schiller, E. Shimanschuk, G. Spreen, D. Wagner, D. Perovich (2023). Sea Ice and Snow Measurements. In The Expedition PS122/1 of the Research Vessel POLARSTERN to the Arctic Ocean in 2019, Rex, M. and Nicolaus, M., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. https://hdl.handle.net/10013/epic.8346761b-a10c-47c2-84cf-da26c6c3c5e2
• Itkin, P., D. Divine, M. Huntemann, M. Jaggi, A. Jutila, C. Katlein, D. Krampe, V. Nandan, I. Raphael, M. Schnebeeli, I. Sheikin, E. Shimanschuk, J. Stroeve, R.T. Tonboe, M. Nicolaus, D. Perovich, G. Spreen (2023). Sea Ice and Snow Measurements. In The Expedition PS122/2 of the Research Vessel POLARSTERN to the Arctic Ocean in 2019/2020, Haas, C. and Rabe, B., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. https://hdl.handle.net/10013/epic.a9b9fb18-60bc-4550-ba71-10399aa90524
• Arndt, S., P. Anhaus, D. Clemens-Sewall, S. Fons, J. Hutchings, L. Kaleschke, A. Macfarlane, R. Naderpour, A. Niubom, F. Pätzold, R. Ricker, I. Sheikin, M. Nicolaus, D. Perovich, G. Spreen (2023). Sea Ice and Snow Measurements. In The Expedition PS122/3 of the Research Vessel POLARSTERN to the Arctic Ocean in 2020, Kanzow, T. and Damm, E., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. https://hdl.handle.net/10013/epic.58b0f57c-f075-4b24-8b76-07d3f0eec87d
• Webster, M., B. Lange, G. Birnbaum, F. Linhardt, A. Macfarlane, M. Mahmud, I. Matero, I. Raphael, J. Regnery, A. Tavri, L. von Albedyll, E. Salganik, I. Sheikin, M. Smith, M. Nicolaus, D. Perovich, G. Spreen (2023). Sea Ice and Snow Measurements. In The Expedition PS122/4 of the Research Vessel POLARSTERN to the Arctic Ocean in 2020, Rex, M. and Shupe, M., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. https://hdl.handle.net/10013/epic.7a2946a4-3ba9-4b91-b6f2-d6407f4e09cb
• Birnbaum, G., R. Dadic, H.-R. Hannula, N. Kolabutin, F. Linhardt, M. Nicolaus, R. Pirazzini, J. Regnery, J. Rohde, E. Shimanchuk, G. Spreen, L. Thielke, M. Webster, D. Perovich (2023). Sea Ice and Snow Measurements. In The Expedition PS122/5 of the Research Vessel POLARSTERN to the Arctic Ocean in 2020, Rex, M. and Metfies, K., Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. https://hdl.handle.net/10013/epic.b8dc460b-5ccb-4880-ac7f-75bb98b937ce

2021

• Zhang, Y., T. Zhu, G. Spreen, C. Melsheimer, M. Huntemann, N. Hughes, S. Zhang, & F. Li (2021). Sea ice and water classification on dual-polarized Sentinel-1 imagery during melting season. The Cryosphere Discuss.. doi:10.5194/tc-2021-85

2020

• Melsheimer C., & G. Spreen (2020). Auf dünnem Eis: Arktisches Meereisminimum 2020 auf zweitniedrigstem Wert. Physikkonkret, Deutsche Physikalische Gesellschaft, Bad Honnef, Germany, Issue 53, December 2020. [Article (PDF-File)]

2019

• Murashkin, D., & G. Spreen (2019). Sea Ice Leads Detected From Sentinel-1 SAR Images. Proceedings of "IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium", IEEE, Yokohama, Japan, 2019. doi:10.1109/igarss.2019.8898043

2018

• Triana Gómez, A., G. Heygster, C. Melsheimer, & G. Spreen (2018). Towards a Merged Total Water Vapour Retrieval from AMSU-B and AMSR-E Data in the Arctic Region. Proceedings of the "IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium," IEEE, Valencia, 2018, 1818–1821. doi:10.1109/igarss.2018.8517863
• Zege, E., A. Malinka, I. Katsev, A. Prikhach, L. Istomina, G. Heygster, & G. Spreen (2018). Reflective properties of summer Arctic sea ice in visible and near infrared. Fundamentalnaya i Prikladnaya Gidrofizika (Fundamental and Applied Hydrophysics), 11(3), 17–25. doi:10.7868/S2073667318030024

2017

• Barber D.G., W.N. Meier, S. Gerland, C.J. Mundy, M. Holland, S. Kern, Z. Li, C. Michel, D.K. Perovich, T. Tamura, J. Berge, J. Bowman, J.S. Christiansen, J.K. Ehn, S. Ferguson, M.A. Granskog, T. Kikuchi, H. Kuosa, B. Light, N. Lundholm, I.A. Melnikov, C. Polashenski, L.H. Smedsrud, G. Spreen, M. Tschudi, T. Vihma, M. Webster, L. Zhang (2017). Arctic sea ice. In: Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017. pp 103–136, ISBN 978-82-7971-101-8. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. [Report (PDF file)]

2016

• Spreen, G., R. Kwok, D. Menemenlis, and A.T. Nguyen (2016), Sea ice deformation in a coupled ocean-sea ice model and in satellite remote sensing data. The Cryosphere Discuss., 2016, 1-37, doi:10.5194/tc-2016-13 (contains model sensitivity study, which is not part of the fully peer-reviewed article published in The Cryosphere).
• Spreen, G. (2016), "Meereisforschung am Institut für Umweltphysik" in Umwelterklärung 2016 der Universität Bremen, Dr. Martin Mehrtens (Hrsg.), p. 32–33, August 2016. [German (PDF-File), English (PDF-File)]
• Johansson, A.M., C. Brekke, G. Spreen, J.A. King, and S. Gerland (2016), "Newly Formed Sea Ice in Arctic Leads Monitored by C- and L-Band SAR," Proceedings of the "ESA Living Planet Symposium 2016", Prague, Czech Republic, 9-13 May 2016, ESA Special Publication SP-740, August 2016. [Article (PDF-File)]
• de Steur, L., P.A. Dodd, S. Gerland, G. Spreen, M. Granskog, A. Fransson, and M. Chierici (2016), "Highlights from the Fram Strait Arctic Outflow Observatory", FRAM Forum 2016, Fram Centre, Tromsø, Norway, p. 60-63, www.framsenteret.no. [Article (Website, external link)]

2015

• Hansen, E., S. Gerland, and G. Spreen (2015), "Direct observations of Arctic sea ice thickness variability on seasonal to decadal time scales", Proceedings of the "23nd International Conference on Port and Ocean Engineering under Arctic Conditions (POAC)", Trondheim, Norway, 14-18 June 2015.
• Hansen, E., S. Gerland, G. Spreen, and K. Høyland (2015), "The Seasonal Cycle of Sea Ice Thickness on the North East Greenland Shelf", Proceedings of the "Offshore Technology Conference (OTC): Arctic Technology", Copenhagen, Denmark, 23-25 March 2015, doi:10.4043/25572-MS.

2014

• Spreen, G., S. Gerland, and E. Hansen (2014), "Sea Ice Thickness Changes in Fram Strait and the Arctic Basin during 1990–2013 from Moored Sonars with Emphasize on Sea Ice Minimum Years 2007 & 2012", Proceedings of the "22nd IAHR International Symposium on Ice", Singapore, August 2014, IAHR, pp. 765-770, ISBN: 978-981-09-0750-1, doi:10.3850/978-981-09-0750-1_1269.
• Gerland, S., G. Spreen, T. Eltoft, A.H.H. Renner, M.-A.N. Moen, J. King, M.A. Granskog, N. Hughes, A. Fors, and P. Wagner (2014), "Observation-based validation and calibration of sea ice satellite products and data", Proceedings of the "22nd IAHR International Symposium on Ice", Singapore, August 2014, IAHR, pp. 765-770, ISBN: 978-981-09-0750-1, doi:10.3850/978-981-09-0750-1_1268.
• Gerland, S., A.H.H. Renner, and G. Spreen (2014), "Nye observasjoner og observasjonsmetoder: Havisen i Arktis er i endring", Klima, CICERO, Oslo, Norway, 2014-01, p. 12-13, www.cicero.uio.no/no/posts/klima/. [Article (PDF-File)]
• Hansen, E. and G. Spreen (2014), "Arctic Sea Ice Thickness Observed by Moored Sonars during 1990-2011", Proceedings of the "OTC Arctic Technology Conference", Houston, Texas, USA, 10–12 Feb. 2014, doi:10.4043/24638-MS.

2013

• Gerland, S., A.H.H Renner, G. Spreen, D. Divine, M.A. Granskog, E. Hansen, S.R. Hudson, T. Eltoft, A. Doulgeris, A.S. Fors, M.A. Moen, N. Hughes, and R. Storvold: "Validation and complementing of SAR satellite surveys over Arctic Sea ice by multiple simultaneous sets of measurements", Proceedings of the "POAC'13: The International Conferences on Port and Ocean Engineering under Arctic Conditions, Espoo, Finland, 9-13 Jun. 2013. [Paper (PDF-File, external link)]
• Gerland, S., A.H.H. Renner, G. Spreen, C. Wang, J. Beckers, M. Dumont, M.A. Granskog, J. Haapala, C. Haas, V. Helm, S.R. Hudson, M. Lensu, R. Ricker, S. Sandven, H. Skourup, M. Zygmuntowska: "In-situ calibration and validation of Cryosat-2 observations over Arctic sea ice North of Svalbard", Proceedings of the "Cryosat Third User Workshop", Dresden, Germany, 12-14 Mar. 2013, ESA SP-717. [Paper (PDF-File)]

2008

• Hendricks, S., S. Kern, V. Leinweber, L. Rabenstein, G. Spreen, and A. Winderlich: "Sea Ice Properties during ARK-XXII/2", ch. 3, p. 14-64, in "The expedition ARKTIS-XXII/2 of the research vessel "Polarstern" in 2007", U. Schauer (ed.), Berichte zur Polar- und Meeresforschung (Reports on polar and marine research), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, 579, pp. 271, 2008. [Report (PDF-File, external link)]

2007

• Bishop, J., T. Busche, D. Flinspach, J.L. Lieser, T. Martin, A. Pfaffling, C. von Saldern, and G. Spreen: "Sea Ice - Geophysical Characteristics North of Fram Strait", ch. II.4, p. 94-136, in "The Expeditions ARKTIS-XX/1 and ARKTIS-XX/2 of the Research Vessel "Polarstern" in 2004", G. Budéus & P. Lemke (ed.), Berichte zur Polar- und Meeresforschung (Reports on polar and marine research), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, 544, pp. 242, 2007. [Report (PDF-File, external link)]
• Kern, S., R. Fontes, M. Gade, K.-W. Gurgel, L. Kaleschke, T.Schlick, G. Spreen, A. Winderlich, and Detlef Stammer: "Mehr Meereisparameter mit Multi3Scat, dem Multi-Funktions-Radar des IFM", p. 17-18, in "Jahresbericht 2006/2007 des Instituts für Meereskunde Hamburg", D. Hainbucher, S. Beddig, W. Domke-Sommer, I. Harms, D. Quadfasel, and D. Stammer (ed.), Universität Hamburg, Zentrum für Marine und Atmosphärische Wissenschaften (ZMAW), Institut für Meereskunde, Hamburg, Germany, 2007. [Report (PDF-File)]

2006

• Spreen, G., S. Kern, and Detlef Stammer: "Meereistransport durch die Framstraße", p. 17-18, in "Jahresbericht 2005/2006 des Instituts für Meereskunde Hamburg", I. Harms, S. Beddig, D. Hainbucher, and D. Quadfasel (ed.), Universität Hamburg, Zentrum für Marine und Atmosphärische Wissenschaften (ZMAW), Institut für Meereskunde, Hamburg, Germany, 2006. [Report (PDF-File)]

2005

• Spreen, G., L. Kaleschke, and G. Heygster (2005), "Operational Sea Ice Remote Sensing with AMSR-E 89 GHz Channels", Proceedings of the "Geoscience and Remote Sensing Symposium, 2005. IGARSS'05", 2005 IEEE International, 6, 4033-4036, doi:10.1109/IGARSS.2005.1525799. [Paper (PDF-File)]
• Spreen, G., S. Kern, R. Ezraty, H. Witte, and D. Stammer (2005) "Toward Remote Sensing of the Net Sea Ice Volume Flux in the Greenland Sea", First International CRYOSAT Workshop, ESA ESRIN, Frascati, Italy, 8-10 Mar. [Paper (PDF-File)]