Damm, E., Nomura, D., Martin, A., Dieckmann, G. S., and Meiners, K. M.: DMSP
and DMS cycling within Antarctic sea ic
e during the winter-spring
transition, Deep. Res. Pt. II, 131, 150–159,
https://doi.org/10.1016/j.dsr2.2015.12.015, 2016.
Damm, E., Bauch, D., Krumpen, T., Rabe, B., Korhonen, M., Vinogradova, E.,
and Uhlig, C.: The Transpolar Drift conveys methane from the Siberian Shelf
to the central Arctic Ocean, Sci. Rep., 8, 4515,
https://doi.org/10.1038/s41598-018-22801-z, 2018.
Eicken, H.: Tracer studies of pathways and rates of meltwater transport
through Arctic summer sea ice, J. Geophys. Res., 107, 8046,
https://doi.org/10.1029/2000JC000583, 2002.
Fer, I., Müller, M., and Peterson, A. K.: Tidal forcing, energetics, and mixing near the Yermak Plateau, Ocean Sci., 11, 287–304, https://doi.org/10.5194/os-11-287-2015, 2015.
Gill, A. E.: Atmosphere-Ocean Dynamics, International Geophysics Series,
vol. 30, Academic Press, USA, ISBN 0-12-283522-0, 666 pp., 1982.
Gleitz, M., v.d. Loeff, M. R., Thomas, D. N., Dieckmann, G. S., and Millero,
F. J.: Comparison of summer and winter inorganic carbon, oxygen and nutrient
concentrations in Antarctic sea ice brine, Mar. Chem., 51, 81–91,
https://doi.org/10.1016/0304-4203(95)00053-T, 1995.
Golden, K. M., Ackley, S. F., and Lytle, V. I.: The percolation phase
transition in sea Ice, Science, 282, 2238–2241,
https://doi.org/10.1126/science.282.5397.2238, 1998.
Grasshoff, K., Ehrhardt, M., and Kremling, K. (Eds.): Methods of Seawater Analysis, 2nd edn., Verlag Chemie, Weinheim, 419 pp., 1983.
Graves, C. A., Steinle, L., Rehder, G., Niemann, H., Connelly, D. P., Lowry,
D., Fisher, R. E., Stott, A. W., Sahling, H., and James, R. H.: Fluxes and
fate of dissolved methane released at the seafloor at the landward limit of
the gas hydrate stability zone offshore western Svalbard, J. Geophys. Res.-Oceans, 120, 6185–6201, https://doi.org/10.1002/2015JC011084, 2015.
Hansen, E., Gerland, S., Granskog, M. A., Pavlova, O., Renner, A. H. H.,
Haapala, J., Løyning, T. B., and Tschudi, M.: Thinning of Arctic sea ice
observed in Fram Strait: 1990–2011, J. Geophys. Res.-Oceans, 118,
5202–5221, https://doi.org/10.1002/jgrc.20393, 2013.
Happell, J. J. D., Chanton, J. P. J., and Showers, W. W. J.: Methane Transfer
Across the Water-Air Interface in Stagnant Wooded Swamps of Florida:
Evaluation of Mass-Transfer Coefficients and Isotopic Fractionation, Limnol.
Oceanogr., 40, 290–298, https://doi.org/10.4319/lo.1995.40.2.0290, 1995.
He, X., Sun, L., Xie, Z., Huang, W., Long, N., Li, Z., and Xing, G.: Sea ice
in the Arctic Ocean: Role of shielding and consumption of methane, Atmos.
Environ., 67, 8–13, https://doi.org/10.1016/j.atmosenv.2012.10.029, 2013.
IOC, SCOR and IAPSO: The international thermodynamic equation of seawater – 2010: Calculation and use of thermodynamic properties, Intergovernmental Oceanographic Commission, Manuals and Guides No. 56, UNESCO (English), 196 pp., available at:
http://www.teos-10.org/ (last access: 14 October 2019), 2010.
Krumpen, T., Gerdes, R., Haas, C., Hendricks, S., Herber, A., Selyuzhenok, V., Smedsrud, L., and Spreen, G.: Recent summer sea ice thickness surveys in Fram Strait and associated ice volume fluxes, The Cryosphere, 10, 523–534, https://doi.org/10.5194/tc-10-523-2016, 2016.
Krumpen, T., Belter, H. J., Boetius, A., Damm, E., Haas, C., Hendricks, S.,
Nicolaus, M., Nöthig, E. M., Paul, S., Peeken, I., Ricker, R., and Stein,
R.: Arctic warming interrupts the Transpolar Drift and affects long-range
transport of sea ice and ice-rafted matter, Sci. Rep., 9, 1–9,
https://doi.org/10.1038/s41598-019-41456-y, 2019.
Leppäranta, M. and Manninen, T.: The brine and gas content of sea ice
with attention to low salinities and high temperatures, Finnish Inst. Mar.
Res. Intern. Rep., 2, 1–14, 1988.
Loose, B., Kelly, R. P., Bigdeli, A., Williams, W., Krishfield, R., Rutgers
van der Loeff, M. and Moran, S. B.: How well does wind speed predict air-sea
gas transfer in the sea ice zone? A synthesis of radon deficit profiles in
the upper water column of the Arctic Ocean, J. Geophys. Res.-Oceans, 122,
3696–3714, https://doi.org/10.1002/2016JC012460, 2017.
Macke, A. and Flores, H.: The Expeditions PS106/1 and 2 of the Research
Vessel POLARSTERN to the Arctic Ocean in 2017, 171 pp., Alfred-Wegener-Institut,
Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven,
Germany, 2018.
Maslanik, J., Stroeve, J., Fowler, C., and Emery, W.: Distribution and trends
in Arctic sea ice age through spring 2011, Geophys. Res. Lett., 38,
2–7, https://doi.org/10.1029/2011GL047735, 2011.
Maslanik, J. A., Fowler, C., Stroeve, J., Drobot, S., Zwally, J., Yi, D., and
Emery, W.: A younger, thinner Arctic ice cover: Increased potential for
rapid, extensive sea-ice loss, Geophys. Res. Lett., 34, L24501,
https://doi.org/10.1029/2007GL032043, 2007.
McGuire, A. D., Anderson, L. G., Christensen, T. R., Dallimore, S., Guo, L.,
Hayes, D. J., Heimann, M., Lorenson, T. D., Macdonald, R. W., and Roulet, N.:
Sensitivity of the carbon cycle in the Arctic to climate change, Ecol.
Monogr., 79, 523–555, https://doi.org/10.1890/08-2025.1, 2009.
Meredith, M., Sommerkorn, M., Cassotta, S., Derksen, C., Ekaykin, A.,
Hollowed, A., Kofinas, G., Mackintosh, A., Melbourne-Thomas, J., Muelbert,
M. M. C., Ottersen, G., Pritchard, H., and Schuur, E. A. G.: IPCC Special
Report on the Ocean and Cryosphere in a Changing Climate, in: Chapter 3: Polar Regions, edited by:
Pörtner, H.-O., Roberts, D. C., Masson-Delmotte, V., Zhai, P., Tignor, M.,
Poloczanska, E., Mintenbeck, K., Alegría, A., Nicolai, M., Okem, A.,
Petzold, J., Rama, B., and Weyer, N. M., Cambridge University Press, Cambridge, UK,
https://www.ipcc.ch/srocc/ (last access:
30 July 2020), 2019.
Meyer, A., Sundfjord, A., Fer, I., Provost, C., Villacieros Robineau, N.,
Koenig, Z., Onarheim, I. H., Smedsrud, L. H., Duarte, P., Dodd, P. A.,
Graham, R. M., Schmidtko, S., and Kauko, H. M.: Winter to summer
oceanographic observations in the Arctic Ocean north of Svalbard, J. Geophys. Res.-Oceans, 122, 6218–6237, https://doi.org/10.1002/2016JC012391, 2017.
Mook, W. G.: Principles of Isotope Hydrology, Report University of Groningen, Netherlands, p. 153, 1994.
Mysak, L. A.: OCEANOGRAPHY: Enhanced: Patterns of Arctic Circulation, Science, 293, 1269–1270, https://doi.org/10.1126/science.1064217, 2001.
Nikolopoulos, A., Linders, T., and Rohardt, G.: Physical oceanography during
POLARSTERN cruise PS106/1 (ARK-XXXI/1.1). Alfred Wegener Institute,
Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA (data set), https://doi.org/10.1594/PANGAEA.885442,
2018.
Orvik, K. A. and Niiler, P.: Major pathways of Atlantic water in the
northern North Atlantic and Nordic Seas toward Arctic, Geophys. Res. Lett.,
29, 2-1–2-4, https://doi.org/10.1029/2002GL015002, 2002.
Padman, L., Plueddemann, A. J., Muench, R. D., and Pinkel, R.: Diurnal tides
near the Yermak Plateau, J. Geophys. Res., 97, 12639,
https://doi.org/10.1029/92JC01097, 1992.
Parmentier, F.-J. W., Christensen, T. R., Sørensen, L. L., Rysgaard, S.,
McGuire, A. D., Miller, P. A., and Walker, D. A.: The impact of lower sea-ice
extent on Arctic greenhouse-gas exchange, Nat. Clim. Chang., 3, 195–202,
https://doi.org/10.1038/nclimate1784, 2013.
Peralta-Ferriz, C. and Woodgate, R. A.: Seasonal and interannual variability
of pan-Arctic surface mixed layer properties from 1979 to 2012 from
hydrographic data, and the dominance of stratification for multiyear mixed
layer depth shoaling, Prog. Oceanogr., 134, 19–53,
https://doi.org/10.1016/j.pocean.2014.12.005, 2015.
Polyakov, I. V., Pnyushkov, A. V., Alkire, M. B., Ashik, I. M., Baumann, T.
M., Carmack, E. C., Goszczko, I., Guthrie, J., Ivanov, V. V., Kanzow, T.,
Krishfield, R., Kwok, R., Sundfjord, A., Morison, J., Rember, R., and Yulin,
A.: Greater role for Atlantic inflows on sea-ice loss in the Eurasian Basin
of the Arctic Ocean, Science, 356, 285–291,
https://doi.org/10.1126/science.aai8204, 2017.
Polyakov, I. V., Alkire, M. B., Bluhm, B. A., Brown, K. A., Carmack, E. C.,
Chierici, M., Danielson, S. L., Ellingsen, I., Ershova, E. A.,
Gårdfeldt, K., Ingvaldsen, R. B., Pnyushkov, A. V., Slagstad, D., and
Wassmann, P.: Borealization of the Arctic Ocean in Response to Anomalous
Advection From Sub-Arctic Seas, Front. Mar. Sci., 7, 491,
https://doi.org/10.3389/fmars.2020.00491, 2020.
Provost, C., Sennéchael, N., Miguet, J., Itkin, P., Rösel, A.,
Koenig, Z., Villacieros-Robineau, N., and Granskog, M. A.: Observations of
flooding and snow-ice formation in a thinner Arctic sea-ice regime during
the N-ICE2015 campaign: Influence of basal ice melt and storms, J. Geophys. Res.-Oceans, 122, 7115–7134, https://doi.org/10.1002/2016JC012011, 2017.
Quay, P. D., Steele, L. P., Fung, I., and Gammon, R. H.: Carbon isotopic
composition of atmospheric CH4, Global Biogeochem. Cy., 5, 25–47,
1991.
Rudels, B.: Arctic Ocean circulation and variability – advection and external forcing encounter constraints and local processes, Ocean Sci., 8, 261–286, https://doi.org/10.5194/os-8-261-2012, 2012.
Rudels, B., Meyer, R., Fahrbach, E., Ivanov, V. V., Østerhus, S., Quadfasel, D., Schauer, U., Tverberg, V., and Woodgate, R. A.: Water mass distribution in Fram Strait and over the Yermak Plateau in summer 1997, Ann. Geophys., 18, 687–705, https://doi.org/10.1007/s00585-000-0687-5, 2000.
Rutgers van der Loeff, M. M., Cassar, N., Nicolaus, M., Rabe, B., and Stimac,
I.: The influence of sea ice cover on air-sea gas exchange estimated with
radon-222 profiles, J. Geophys. Res.-Oceans, 119, 2735–2751,
https://doi.org/10.1002/2013JC009321, 2014.
Sahling, H., Römer, M., Pape, T., Bergès, B., dos Santos Fereirra, C., Boelmann, J., Geprägs, P., Tomczyk, M., Nowald, N., Dimmler, W., Schroedter, L., Glockzin, M., and Bohrmann, G.: Gas emissions at the continental margin west of Svalbard: mapping, sampling, and quantification, Biogeosciences, 11, 6029–6046, https://doi.org/10.5194/bg-11-6029-2014, 2014.
Sapart, C. J., Shakhova, N., Semiletov, I., Jansen, J., Szidat, S., Kosmach, D., Dudarev, O., van der Veen, C., Egger, M., Sergienko, V., Salyuk, A., Tumskoy, V., Tison, J.-L., and Röckmann, T.: The origin of methane in the East Siberian Arctic Shelf unraveled with triple isotope analysis, Biogeosciences, 14, 2283–2292, https://doi.org/10.5194/bg-14-2283-2017, 2017.
Schlitzer, R.: Ocean Data View, available at:
https://odv.awi.de, last access: 1 July 2020.
Screen, J. A. and Simmonds, I.: The central role of diminishing sea ice in
recent Arctic temperature amplification, Nature, 464, 1334–1337,
https://doi.org/10.1038/nature09051, 2010.
Shakhova, N., Semiletov, I., and Panteleev, G.: The distribution of methane on the Siberian Arctic shelves: Implications for the marine methane cycle, Geophys. Res. Lett., 32, L09601, https://doi.org/10.1029/2005GL022751, 2005.
Shakhova, N., Semiletov, I., Leifer, I., Salyuk, A., Rekant, P., and Kosmach,
D.: Geochemical and geophysical evidence of methane release over the East
Siberian Arctic Shelf, J. Geophys. Res., 115, C08007,
https://doi.org/10.1029/2009JC005602, 2010.
Silyakova, A., Jansson, P., Serov, P., Ferré, B., Pavlov, A. K.,
Hattermann, T., Graves, C. A., Platt, S. M., Myhre, C. L., Gründger, F.,
and Niemann, H.: Physical controls of dynamics of methane venting from a
shallow seep area west of Svalbard, Cont. Shelf Res., 194, 104030,
https://doi.org/10.1016/j.csr.2019.104030, 2020.
Smith, A. J., Mienert, J., Bünz, S., and Greinert, J.: Thermogenic
methane injection via bubble transport into the upper Arctic Ocean from the
hydrate-charged Vestnesa Ridge, Svalbard, Geochem. Geophy. Geosy.,
15, 1945–1959, https://doi.org/10.1002/2013GC005179, 2014.
Spreen, G., Kwok, R., and Menemenlis, D.: Trends in Arctic sea ice drift and
role of wind forcing: 1992–2009, Geophys. Res. Lett., 38, L19501,
https://doi.org/10.1029/2011GL048970, 2011.
Stroeve, J. C., Serreze, M. C., Holland, M. M., Kay, J. E., Malanik, J., and
Barrett, A. P.: The Arctic's rapidly shrinking sea ice cover: A research
synthesis, Clim. Change, 110, 1005–1027,
https://doi.org/10.1007/s10584-011-0101-1, 2012.
Thorndike, A. S., Rothrock, D. A., Maykut, G. A., and Colony, R.: The
thickness distribution of sea ice, J. Geophys. Res., 80, 4501–4513,
https://doi.org/10.1029/JC080i033p04501, 1975.
Thornton, B. F., Geibel, M. C., Crill, P. M., Humborg, C., and Mörth,
C.-M.: Methane fluxes from the sea to the atmospher
e across the Siberian
shelf seas, Geophys. Res. Lett., 43, 5869–5877,
https://doi.org/10.1002/2016GL068977, 2016.
Untersteiner, N.: Natural desalination and equilibrium salinity profile of
perennial sea ice, J. Geophys. Res., 73, 1251–1257,
https://doi.org/10.1029/JB073i004p01251, 1968.
Vancoppenolle, M., Meiners, K. M., Michel, C., Bopp, L., Brabant, F.,
Carnat, G., Delille, B., Lannuzel, D., Madec, G., Moreau, S., Tison, J.-L.,
and van der Merwe, P.: Role of sea ice in global biogeochemical cycles:
emerging views and challenges, Quaternary Sci. Rev., 79, 207–230,
https://doi.org/10.1016/j.quascirev.2013.04.011, 2013.
Wåhlström, I. and Meier, H. E. M.: A model sensitivity study for the
sea-air exchange of methane in the Laptev Sea, Arctic Ocean, Tellus
B, 66, 1–18, https://doi.org/10.3402/tellusb.v66.24174, 2014.
Wåhlström, I., Dieterich, C., Pemberton, P., and Meier, H. E. M.:
Impact of increasing inflow of warm Atlantic water on the sea-air exchange
of carbon dioxide and methane in the Laptev Sea, J. Geophys. Res.-Biogeo., 121, 1867–1883, https://doi.org/10.1002/2015JG003307, 2016.
Westbrook, G. K., Thatcher, K. E., Rohling, E. J., Piotrowski, A. M.,
Pälike, H., Osborne, A. H., Nisbet, E. G., Minshull, T. A.,
Lanoisellé, M., James, R. H., Hühnerbach, V., Green, D., Fisher, R.
E., Crocker, A. J., Chabert, A., Bolton, C., Beszczynska-Möller, A.,
Berndt, C., and Aquilina, A.: Escape of methane gas from the seabed along the
West Spitsbergen continental margin, Geophys. Res. Lett., 36, 1–5,
https://doi.org/10.1029/2009GL039191, 2009.
Wiesenburg, D. A. and Guinasso, N. L.: Equilibrium solubilities of methane, carbon monoxide, and hydrogen in water and sea water, J. Chem. Eng. Data, 24, 356–360, https://doi.org/10.1021/je60083a006, 1979.
Wollenburg, J. E., Iversen, M., Katlein, C., Krumpen, T., Nicolaus, M., Castellani, G., Peeken, I., and Flores, H.: New observations of the distribution, morphology and dissolution dynamics of cryogenic gypsum in the Arctic Ocean, The Cryosphere, 14, 1795–1808, https://doi.org/10.5194/tc-14-1795-2020, 2020.
Zamani, B., Krumpen, T., Smedsrud, L. H., and Gerdes, R.: Fram Strait sea ice export affected by thinning: comparing high-resolution simulations and observations, Clim. Dynam., 53, 3257–3270, https://doi.org/10.1007/s00382-019-04699-z, 2019.
Zhou, J., Tison, J.-L., Carnat, G., Geilfus, N.-X., and Delille, B.: Physical controls on the storage of methane in landfast sea ice, The Cryosphere, 8, 1019–1029, https://doi.org/10.5194/tc-8-1019-2014, 2014.
