De Groot, T.R., Menoud, M., van Bleijswijk, J., van Leeuwen, S.M., van der Molen, J., Hernando-Morales, V., Czerski, H., Maazallahi, H., Walter, S., Rush, D., Röckmann, T., and Niemann, H.: “Tidal and seasonal controls on cold seep activity and the efficiency of water column methanotrophs“, in press, Nature Communications Earth & Environments, 2023

Stavropoulou, F., Vinković, K., Kers, B., de Vries, M., van Heuven, S., Korbeń, P., Schmidt, M., Wietzel, J., Jagoda, P., Necki, J. M., Bartyzel, J., Maazallahi, H., Menoud, M., van der Veen, C., Walter, S., Tuzson, B., Ravelid, J., Morales, R. P., Emmenegger, L., Brunner, D., Steiner, M., Hensen, A., Velzeboer, I., van den Bulk, P., Denier van der Gon, H., Delre, A., Edjabou, M. E., Scheutz, C., Corbu, M., Iancu, S., Moaca, D., Scarlat, A., Tudor, A., Vizireanu, I., Calcan, A., Ardelean, M., Ghemulet, S., Pana, A., Constantinescu, A., Cusa, L., Nica, A., Baciu, C., Pop, C., Radovici, A., Mereuta, A., Stefanie, H., Hermans, B., Schwietzke, S., Zavala-Araiza, D., Chen, H., and Röckmann, T.: “High potential for CH₄ emission mitigation from oil infrastructure in one of EU’s major production regions“; Atmos. Chem. Phys., 23, 10399–10412, https://doi.org/10.5194/acp-23-10399-2023, 2023.

Bange, H.W., Kock, A., Pelz, N., Schmidt, M., Schütte, F., Walter, S., Post, A.F., Jones, B.H., Kürten, B.: “Nitrous oxide in the northern Gulf of Aqaba and the central Red Sea“; Deep-Sea Research Part II, 2019, DOI: 10.1016/j.dsr2.2019.06.015

Walter, S., Röckmann, T., and the MEMO² team: “MEMO²: MEthane goes MObile – MEasurements and MOdelling“; Proceedings NCGG8, Amsterdam, NL, 2019, https://www.ncgg.info/ncgg8/proceedings

Walter, S., Kock, A., Steinhoff, T., Fiedler, B., Fietzek, P., Kaiser, J., Krol., M., Popa, M.E., Chen, Q., Tanhua, T., Röckmann, T.: “Isotopic evidence for biogenic molecular hydrogen production in the Atlantic Ocean“; Biogeosciences, 13, 323–340, 2016, DOI: 10.5194/bg-13-323-2016

Walter, S., Kock, A., Röckmann, T.: “High-resolution measurements of atmospheric molecular hydrogen and its isotopic composition at the West African coast of Mauritania“, Biogeosciences, 10, 3391–3403, doi:10.5194/bg-10-3391-2013, 2013, http://www.biogeosciences.net/10/3391/2013/

Walter, S., Laukenmann, S., Stams, A.J.M., Vollmer, M.K., Gleixner, G., Röckmann, T.: “The stable isotopic signature of biologically produced molecular hydrogen (H₂)“, Biogeosciences 9, 4115–4123,doi:10.5194/bg-9–4115-2012, 2012, http://www.biogeosciences.net/9/4115/2012/bg-9-4115-2012.pdf

Vollmer, M.K., Walter, S., Mohn, J., Steinbacher, M., Bond, S.W., Röckmann, T. Reimann, S.: “Molecular hydrogen (H2) combustion emissions and their isotope (D/H) signatures from domestic heaters, diesel vehicle engines, waste incinerator plants, and biomass burning“; Atmos. Chem. Phys., 12, 6275–6289, 2012, DOI:10.5194/acp-12-6275-2012

Batenburg, A.M., Walter, S., Pieterse, G., Levin, I., Schmidt, M., Jordan, A., Hammer, S., Yver, C., Röckmann, T.: “Temporal and spatial variability of the stable isotopic composition of atmospheric molecular hydrogen: observations at six EUROHYDROS stations“; Atmos.Chem.Phys., 11 (14), 6985–6999, 2011, DOI: 10.5194/acp-11-6985-2011

Vollmer, M.K., Walter, S., Bond, S.W., Soltic, P., Röckmann, T.: “Molecular hydrogen (H₂) emissions and their isotopic signatures (H/D) from a motor vehicle: implications on atmospheric H₂“; Atmos. Chem. Phys., 10, 5707–5718, doi:10.5194/acp-10-5707-2010, 2010, http://www.atmos-chem-phys.net/10/5707/2010/acp-10-5707-2010.pdf

Röckmann, T., Walter, S., Bohn, B., Wegener, R., Spahn, H., Brauers, T., Tillmann, R., Schlosser, E., Koppmann, R., Rohrer, F.: “Isotope effect in the formation of H2 from H2CO studied at the atmospheric simulation chamber SAPHIR”, Atmos. Chem. Phys., 10, 5343-5357, 2010doi:/10/5343/2010, 2010, http://www.atmos-chem-phys.net/10/5343/2010/acp-10-5343-2010.pdf

Röckmann, T., Gómez Álvarez, C.X., Walter, S., v.d. Veen, C., Wollny, A.G., Gunthe, S.S., Helas, G., Pöschl, U., Keppler, F., Greule, M., Brand, W.A.: “Isotopic composition of H₂ from wood burning: Dependency on combustion efficiency, moisture content, and δD of local precipitation“; J. of Geophys. Res, Vol. 115, D17308, doi:10.1029/2009JD013188, 2010, http://www.agu.org/journals/jd/jd1017/2009JD013188/2009JD013188.pdf

Freing, A., Wallace, D.W.R., Tanhua, T., Walter, S., Bange, H.W.: “North Atlantic production of nitrous oxide in the context of changing atmospheric levels“; Global Biogeochem. Cycles, Vol. 23, GB4015, 2009, DOI: 10.1029/2009GB003472

Walter, S., Breitenbach, U., Bange, H.W., Nausch, G., Wallace, D.W.R.: “Nitrous oxide water column distribution during the transition from anoxic to oxic conditions in the Baltic Sea”, Biogeosciences, 3, 557–570, 2006, Special Issue: SPOT-ON conference, http://www.biogeosciences.net/3/557/2006/bg-3-557-2006.pdf

Walter, S.: “N₂O in the Atlantic Ocean and the Baltic Sea”, PhD thesis, http://eldiss.uni-kiel.de/macau/receive/dissertation_diss_00001609

Walter, S., Bange, H.W., Breitenbach, U., Wallace, D.W.R.: “Nitrous oxide in the North Atlantic Ocean“; Biogeosciences, 3, 607–619, 2006, DOI: 10.5194/bg-3-607-2006

Walter S., Peeken, I., Lochte, K., Webb, A., Bange, H.W.: “Nitrous oxide measurements during EIFEX, the European Iron Fertilization Experiment in the subpolar South Atlantic Ocean“; Geophysical Research Letters, 32, L23613, 2005, DOI: 10.1029/2005GL024619

Walter, S., Bange, H.W., Wallace, D.W.R.: “Nitrous oxide in the surface layer of the tropical North Atlantic Ocean along a West to East transect”, Geophysical Research Letters, 31, L23S07, doi:10.1029/2004GL019937, 2004, http://www.agu.org/journals/gl/gl0419/2004GL019937/2004GL019937.pdf

Zimmer, M., Geisler, S., Walter, S., Brendelberger, H.: “Fluorescence in Asellus aquaticus (Isopoda: Asellota): a first approach”, Evolutionary Ecology Research, 4, 181–187, 2002, http://www.evolutionary-ecology.com/issues/v04n02/eear1361.pdf

Schmaljohann, R., Drews, M., Walter, S., Linke, P., v. Rad, U., Imhoff, J.: “Oxygen-minimum zone sediments in the northeastern Arabian Sea off Pakistan: a habitat for the bacterium Thioploca“; Marine Ecology Progress Series, 211, 27-42, 2001
http://www.int-res.com/articles/meps/211/m211p027.pdf