See also

 

 

 

Publications

 

  • Adler, G., Koop, T., Haspel, C., Taraniuk, I., Moise, T., Koren, I., Heiblum, R. H. and Rudich, Y.: Formation of highly porous aerosol particles by atmospheric freeze-drying in ice clouds., Proc. Natl. Acad. Sci. U. S. A., 110, 20414–20419, doi:10.1073/pnas.1317209110, 2013. http://www.pnas.org/content/110/51/20414.full.pdf+html

 

  • Augustin, S., Wex, H., Niedermeier, D., Pummer, B., Grothe, H., Hartmann, S., Tomsche, L., Clauss, T., Voigtländer, J., Ignatius, K., and Stratmann, F.: Immersion freezing of birch pollen washing water, Atmos. Chem. Phys., 13, 10989-11003, doi:10.5194/acp-13-10989-2013, 2013. http://www.atmos-chem-phys.net/13/10989/2013/acp-13-10989-2013.pdf

 

  • Augustin-Bauditz, S., Wex, H., Denjean, C., Hartmann, S., Schneider, J., Schmidt, S., Ebert, M., and Stratmann, F.: Laboratory-generated mixtures of mineral dust particles with biological substances: characterization of the particle mixing state and immersion freezing behavior, Atmos. Chem. Phys., 16, 5531-5543, doi:10.5194/acp-16-5531-2016, 2016. http://www.atmos-chem-phys.net/16/5531/2016/acp-16-5531-2016.pdf

 

  • Augustin-Bauditz, S., H. Wex, S. Kanter, M. Ebert, D. Niedermeier, F. Stolz, A. Prager, and F. Stratmann: The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modifed dusts, Geophys. Res. Lett., 2014, doi:10.1002/2014GL061317. http://onlinelibrary.wiley.com/doi/10.1002/2014GL061317/pdf

 

 

  • Bingemer, H., Klein, H., Ebert, M., Haunold, W., Bundke, U., Herrmann, T., Kandler, K., Müller-Ebert, D., Weinbruch, S., Judt, A., Wéber, A., Nillius, B., Ardon-Dryer, K., Levin, Z., and Curtius, J.: Atmospheric ice nuclei in the Eyjafjallajökull volcanic ash plume, Atmos. Chem. Phys., 12, 857-867, doi:10.5194/acp-12-857-2012, 2012. http://www.atmos-chem-phys.net/12/857/2012/acp-12-857-2012.pdf

 

  • Boose, Y., Welti, A., Atkinson, J., Ramelli, F., Danielczok, A., Bingemer, H. G., Plötze, M., Sierau, B., Kanji, Z. A., and Lohmann, U.: Heterogeneous ice nucleation on dust particles sourced from nine deserts worldwide – Part 1: Immersion freezing, Atmos. Chem. Phys., 16, 15075-15095, doi:10.5194/acp-16-15075-2016, 2016. http://www.atmos-chem-phys.net/16/15075/2016/acp-16-15075-2016.pdf

 

 

  • Burkert-Kohn, M., Wex, H., Welti, A., Hartmann, S., Grawe, S., Hellner, L., Herenz, P., Atkinson, J. D., Stratmann, F., and Kanji, Z. A.: Leipzig Ice Nucleation chamber Comparison (LINC): intercomparison of four online ice nucleation counters, Atmos. Chem. Phys., 17, 11683-11705, https://doi.org/10.5194/acp-17-11683-2017, 2017. https://www.atmos-chem-phys.net/17/11683/2017/acp-17-11683-2017.pdf

 

  • Coluzza, I.; Creamean, J.; Rossi, M.J.; Wex, H.; Alpert, P.A.; Bianco, V.; Boose, Y.; Dellago, C.; Felgitsch, L.; Fröhlich-Nowoisky, J.; Herrmann, H.; Jungblut, S.; Kanji, Z.A.; Menzl, G.; Moffett, B.; Moritz, C.; Mutzel, A.; Pöschl, U.; Schauperl, M.; Scheel, J.; Stopelli, E.; Stratmann, F.; Grothe, H.; Schmale, D.G.: Perspectives on the Future of Ice Nucleation Research: Research Needs and Unanswered Questions Identified from Two International Workshops. Atmosphere 2017, 8, 138. http://www.mdpi.com/2073-4433/8/8/138

 

  • Cziczo, D. J., L. A. Ladino Moreno, Y. Boose, Z. A. Kanji, P. Kupiszewski, S. Lance, S. Mertes, and H. Wex: Chapter 8: Meas urements of ice nucleating particles and ice residuals, in Ice Formation and Evolution in Clouds and Precipitation: Measurement and Modeling Challenges, edited, Meteor. Monogr., doi:10.1175/AMSMONOGRAPHS-D-16-0008.1., 2017. http://journals.ametsoc.org/doi/pdf/10.1175/AMSMONOGRAPHS-D-16-0008.1

 

 

  • Diehl, K., Debertshäuser, M., Eppers, O., Schmithüsen, H., Mitra, S. K., and Borrmann, S.: Particle surface area dependence of mineral dust in immersion freezing mode: investigations with freely suspended drops in an acoustic levitator and a vertical wind tunnel, Atmos. Chem. Phys., 14, 12343-12355, doi:10.5194/acp-14-12343-2014, 2014. http://www.atmos-chem-phys.net/14/12343/2014/acp-14-12343-2014.pdf

 

 

  • Fröhlich, R., Cubison, M. J., Slowik, J. G., Bukowiecki, N., Prévôt, A. S. H., Baltensperger, U., Schneider, J., Kimmel, J. R., Gonin, M., Rohner, U., Worsnop, D. R., and Jayne, J. T.: The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection, Atmos. Meas. Tech., 6, 3225-3241, doi:10.5194/amt-6-3225-2013, 2013.  http://www.atmos-meas-tech.net/6/3225/2013/amt-6-3225-2013.pdf

 

 

  • Fröhlich-Nowoisky, J., Ruzene Nespoli, C., Pickersgill, D. A., Galand, P. E., Müller-Germann, I., Nunes, T., Gomes Cardoso, J., Almeida, S. M., Pio, C., Andreae, M. O., Conrad, R., Pöschl, U., and Després, V. R.: Diversity and seasonal dynamics of airborne archaea, Biogeosciences, 11, 6067-6079, doi:10.5194/bg-11-6067-2014, 2014. http://www.biogeosciences.net/11/6067/2014/bg-11-6067-2014.pdf

 

  • Fröhlich-Nowoisky, J., Burrows, S. M., Xie, Z., Engling, G., Solomon, P. A., Fraser, M. P., Mayol-Bracero, O. L., Artaxo, P., Begerow, D., Conrad, R., Andreae, M. O., Després, V. R., and Pöschl, U., Biogeography in the air: fungal diversity over land and oceans, Biogeosciences, 9, 1125-1136, doi:10.5194/bg-9-1125-2012, 2012. http://www.biogeosciences.net/9/1125/2012/bg-9-1125-2012.pdf

 

  • Grawe, S., Augustin-Bauditz, S., Hartmann, S., Hellner, L., Pettersson, J. B. C., Prager, A., Stratmann, F., and Wex, H.: The immersion freezing behavior of ash particles from wood and brown coal burning, Atmos. Chem. Phys., 16, 13911-13928, doi:10.5194/acp-16-13911-2016, 2016. http://www.atmos-chem-phys.net/16/13911/2016/acp-16-13911-2016.pdf

 

  • Haga, D. I., Burrows, S. M., Iannone, R., Wheeler, M. J., Mason, R. H., Chen, J., Polishchuk, E. A., Pöschl, U., and Bertram, A. K.: Ice nucleation by fungal spores from the classes Agaricomycetes, Ustilaginomycetes, and Eurotiomycetes, and the effect on the atmospheric transport of these spores, Atmos. Chem. Phys., 14, 8611-8630, doi:10.5194/acp-14-8611-2014, 2014.. http://www.atmos-chem-phys.net/14/8611/2014/acp-14-8611-2014.pdf

 

 

 

 

  • Hartmann, S., Augustin, S., Clauss, T., Wex, H., Šantl-Temkiv, T., Voigtländer, J., Niedermeier, D., and Stratmann, F.: Immersion freezing of ice nucleation active protein complexes, Atmos. Chem. Phys., 13, 5751-5766, doi:10.5194/acp-13-5751-2013, 2013. http://www.atmos-chem-phys.net/13/5751/2013/acp-13-5751-2013.pdf

 

 

  • Hill, T. C. J., DeMott, P. J., Tobo, Y., Fröhlich-Nowoisky, J., Moffett, B. F., Franc, G. D., and Kreidenweis, S. M.: Sources of organic ice nucleating particles in soils, Atmos. Chem. Phys., 16, 7195-7211, doi:10.5194/acp-16-7195-2016, 2016. http://www.atmos-chem-phys.net/16/7195/2016/

 

  • Hiranuma, N., Möhler, O., Kulkarni, G., Schnaiter, M., Vogt, S., Vochezer, P., Järvinen, E., Wagner, R., Bell, D. M., Wilson, J., Zelenyuk, A., and Cziczo, D. J.: Development and characterization of an ice-selecting pumped counterflow virtual impactor (IS-PCVI) to study ice crystal residuals, Atmos. Meas. Tech., 9, 3817-3836, doi:10.5194/amt-9-3817-2016, 2016. http://www.atmos-meas-tech.net/9/3817/2016/amt-9-3817-2016.pdf

 

  • Hiranuma, N., Augustin-Bauditz, S., Bingemer, H., Budke, C., Curtius, J., Danielczok, A., Diehl, K., Dreischmeier, K., Ebert, M., Frank, F., Hoffmann, N., Kandler, K., Kiselev, A., Koop, T., Leisner, T., Möhler, O., Nillius, B., Peckhaus, A., Rose, D., Weinbruch, S., Wex, H., Boose, Y., DeMott, P. J., Hader, J. D., Hill, T. C. J., Kanji, Z. A., Kulkarni, G., Levin, E. J. T., McCluskey, C. S., Murakami, M., Murray, B. J., Niedermeier, D., Petters, M. D., O'Sullivan, D., Saito, A., Schill, G. P., Tajiri, T., Tolbert, M. A., Welti, A., Whale, T. F., Wright, T. P., and Yamashita, K.: A comprehensive laboratory study on the immersion freezing behavior of illite NX particles: a comparison of 17 ice nucleation measurement techniques, Atmos. Chem. Phys., 15, 2489-2518, doi:10.5194/acp-15-2489-2015, 2015.
    http://www.atmos-chem-phys.net/15/2489/2015/acp-15-2489-2015.pdf

 

  • Hiranuma, N., Möhler, O., Yamashita, K., Tajiri, T., Saito, A., Hoffmann, N., Hoose, C., Jantsch, E., Koop, T., and Murakami. M.: Ice nucleation by cellulose and its potential contribution to ice formation in clouds, Nature Geoscience, available online as of March 2, 2015, doi:10.1038/ngeo2374, 2015.
    http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2374.html

 

  • Hiranuma, N., Paukert, M., Steinke, I., Zhang, K., Kulkarni, G., Hoose, C., Schnaiter, M., Saathoff, H., and Möhler, O.: A comprehensive parameterization of heterogeneous ice nucleation of dust surrogate: laboratory study with hematite particles and its application to atmospheric models, Atmos. Chem. Phys., 14, 13145-13158, doi:10.5194/acp-14-13145-2014, 2014. http://www.atmos-chem-phys.net/14/13145/2014/acp-14-13145-2014.pdf

 

  • Hiranuma, N., Hoffmann, N., Kiselev, A., Dreyer, A., Zhang, K., Kulkarni, G., Koop, T., and Möhler, O.: Influence of surface morphology on the immersion mode ice nucleation efficiency of hematite particles, Atmos. Chem. Phys., 14, 2315-2324, doi:10.5194/acp-14-2315-2014, 2014. http://www.atmos-chem-phys.net/14/2315/2014/acp-14-2315-2014.pdf

 

  • Hoffmann, N., Duft, D., Kiselev, A., Leisner, T.: Contact freezing efficiency of mineral dust aerosols studied in an electrodynamic balance: Quantitative size and temperature dependence for illite particles, Faraday Discussions, Accepted Manuscript, 2013. doi: 10.1039/C3FD00033H. http://pubs.rsc.org/en/content/articlepdf/2013/fd/c3fd00033h

 

 

 

  • Huffman, J. A., Prenni, A. J., DeMott, P. J., Pöhlker, C., Mason, R. H., Robinson, N. H., Fröhlich-Nowoisky, J., Tobo, Y., Després, V. R., Garcia, E., Gochis, D. J., Harris, E., Müller-Germann, I., Ruzene, C., Schmer, B., Sinha, B., Day, D. A., Andreae, M. O., Jimenez, J. L., Gallagher, M., Kreidenweis, S. M., Bertram, A. K., and Pöschl, U.: High concentrations of biological aerosol particles and ice nuclei during and after rain: Atmos. Chem. Phys., 13, 6151–6164, doi:10.5194/acp-13-6151-2013, 2013. http://www.atmos-chem-phys.net/13/6151/2013/acp-13-6151-2013.pdf

 

  • Hummel, M., Hoose, C., Gallagher, M., Healy, D. A., Huffman, J. A., O'Connor, D., Pöschl, U., Pöhlker, C., Robinson, N. H., Schnaiter, M., Sodeau, J. R., Stengel, M., Toprak, E., and Vogel, H.: Regional-scale simulations of fungal spore aerosols using an emission parameterization adapted to local measurements of fluorescent biological aerosol particles, Atmos. Chem. Phys., 15, 6127-6146, doi:10.5194/acp-15-6127-2015, 2015. http://www.atmos-chem-phys.net/15/6127/2015/acp-15-6127-2015.pdf

 

 

 

 

 

  • Kupiszewski, P., Weingartner, E., Vochezer, P., Schnaiter, M., Bigi, A., Gysel, M., Rosati, B., Toprak, E., Mertes, S., and Baltensperger, U.: The Ice Selective Inlet: a novel technique for exclusive extraction of pristine ice crystals in mixed-phase clouds, Atmos. Meas. Tech., 8, 3087-3106, doi:10.5194/amt-8-3087-2015, 2015. http://www.atmos-meas-tech.net/8/3087/2015/amt-8-3087-2015.html

 

  • Niedermeier, D., S. Augustin-Bauditz, S. Hartmann, H. Wex, K. Ignatius, and F. Stratmann (2015): Can we define an asymptotic value for the ice active surface site density for heterogeneous ice nucleation?, J. Geophys. Res. Atmos., 120, doi:10.1002/2014JD022814. http://onlinelibrary.wiley.com/doi/10.1002/2014JD022814/pdf

 

  • Niedermeier, D., B. Ervens, T. Clauss, J. Voigtländer, H. Wex, S. Hartmann, and F. Stratmann (2014): A computationally efficient description of heterogeneous freezing: A simplified version of the Soccer ball model, Geophys. Res. Lett., 41, doi:10.1002/2013GL058684. http://onlinelibrary.wiley.com/doi/10.1002/2013GL058684/pdf

 

  • Pandey, R., Usui, K., Livingstone, R. A., Fischer, S. A., Pfaendtner, J., Backus, E. H. G., Nagata, Y., Fröhlich-Nowoisky, J., Schmüser, L., Mauri, S., Scheel, J. F., Knopf, D., Pöschl, U., Bonn, M., Weidner, T.: Ice-nucleating bacteria control the order and dynamics of interfacial water, Science Advances  22 Apr 2016, Vol. 2, no. 4, e1501630. doi: 10.1126/sciadv.1501630 http://advances.sciencemag.org/content/2/4/e1501630.abstract

 

 

 

 

  • Pummer, B. G., C. Budke, S. Augustin-Bauditz, D. Niedermeier, L. Felgitsch, C. J. Kampf, R. G. Huber, K. R. Liedl, T. Loerting, T. Moschen, M. Schauperl, M. Tollinger, C. E. Morris, H. Wex, H. Grothe, U. Pöschl, T. Koop, and J. Fröhlich-Nowoisky: Ice nucleation by water-soluble macromolecules, Atmos. Chem. Phys., 15, 4077-4091, doi:10.5194/acp-15-4077-2015, 2015. http://www.atmos-chem-phys.net/15/4077/2015/acp-15-4077-2015.pdf

 

  • Pummer, B. G., Atanasova, L., Bauer, H., Bernardi, J., Druzhinina, I. S., Fröhlich-Nowoisky, J., and Grothe, H.: Spores of many common airborne fungi reveal no ice nucleation activity in oil immersion freezing experiments, Biogeosciences, 10, 8083-8091, doi:10.5194/bg-10-8083-2013, 2013. http://www.biogeosciences.net/10/8083/2013/bg-10-8083-2013.pdf

 

  • Schmidt, S., Schneider, J., Klimach, T., Mertes, S., Schenk, L. P., Kupiszewski, P., Curtius, J., and Borrmann, S.: Online single particle analysis of ice particle residuals from mountain-top mixed-phase clouds using laboratory derived particle type assignment, Atmos. Chem. Phys., 17, 575-594, doi:10.5194/acp-17-575-2017, 2017. http://www.atmos-chem-phys.net/17/575/2017/acp-17-575-2017.pdf

 

  • Schrod, J., Weber, D., Drücke, J., Keleshis, C., Pikridas, M., Ebert, M., Cvetković, B., Nickovic, S., Marinou, E., Baars, H., Ansmann, A., Vrekoussis, M., Mihalopoulos, N., Sciare, J., Curtius, J., and Bingemer, H. G.: Ice nucleating particles over the Eastern Mediterranean measured by unmanned aircraft systems, Atmos. Chem. Phys., 17, 4817-4835, doi:10.5194/acp-17-4817-2017, 2017. http://www.atmos-chem-phys.net/17/4817/2017/acp-17-4817-2017.pdf

 

 

 

  • Ullrich, R., C. Hoose, O. Möhler, M. Niemand, R. Wagner, K. Höhler, N. Hiranuma, H. Saathoff, and T. Leisner: A New Ice Nucleation Active Site Parameterization for Desert Dust and Soot. J. Atmos. Sci., 74, 699–717,  doi: 10.1175/JAS-D-16-0074.1, 2017. http://journals.ametsoc.org/doi/pdf/10.1175/JAS-D-16-0074.1

 

 

 

 

  • Wex, H., S. Augustin-Bauditz, Y. Boose, C. Budke, J. Curtius, K. Diehl, A. Dreyer, F. Frank, S. Hartmann, N. Hiranuma, E. Jantsch, Z. A. Kanji, A. Kiselev, T. Koop, O. Moehler, D. Niedermeier, B. Nillius, M. Roesch, D. Rose, C. Schmidt, I. Steinke, and F. Stratmann, Intercomparing different devices for the investigation of ice nucleating particles using Snomax as test substance, Atmos. Chem. Phys., 15, 1463-1485, doi:10.5194/acp-15-1463-2015, 2015. http://www.atmos-chem-phys.net/15/1463/2015/acp-15-1463-2015.html

 

  • Wex, H., DeMott, P. J., Tobo, Y., Hartmann, S., Rösch, M., Clauss, T., Tomsche, L., Niedermeier, D., and Stratmann, F.: Kaolinite particles as ice nuclei: learning from the use of different kaolinite samples and different coatings, Atmos. Chem. Phys., 14, 5529-5546, doi:10.5194/acp-14-5529-2014, 2014. http://www.atmos-chem-phys.net/14/5529/2014/acp-14-5529-2014.pdf

 

  • Worringen, A., Kandler, K., Benker, N., Dirsch, T., Mertes, S., Schenk, L., Kästner, U., Frank, F., Nillius, B., Bundke, U., Rose, D., Curtius, J., Kupiszewski, P., Weingartner, E., Vochezer, P., Schneider, J., Schmidt, S., Weinbruch, S., and Ebert, M.: Single-particle characterization of ice-nucleating particles and ice particle residuals sampled by three different techniques, Atmos. Chem. Phys., 15, 4161-4178, doi:10.5194/acp-15-4161-2015, 2015. http://www.atmos-chem-phys.net/15/4161/2015/acp-15-4161-2015.pdf

 

 

 

Manuscripts in Discussion or Accepted for Discussion

 

  • Costa, A., J. Meyer, A. Afchine, A. Luebke, G. Günther, J. R. Dorsey, M. W. Gallagher, A. Ehrlich, M. Wendisch, D. Baumgardner, H. Wex, and M. Krämer: Classification of Arctic, Mid-Latitude and Tropical Clouds in the Mixed-Phase Temperature Regime, Atmos. Chem. Phys. Discuss., 17, in review, doi:10.5194/acp-2017-226, 2017. http://www.atmos-chem-phys-discuss.net/acp-2017-226/

 

  • Diehl, K. and Grützun, V.: Model simulations with COSMO-SPECS: Impact of heterogeneous freezing modes and ice nucleating particle types on ice formation and precipitation in a deep convective cloud, Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2017-570, in review, 2017. (12.07.17)

 

  • Hande, L. B. and Hoose, C.: Partitioning the primary ice formation modes in large eddy simulations of mixed-phase clouds, Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2017-499, in review, 2017. (31.05.17)

 

  • Schenk, L. P., Mertes, S., Kästner, U., Frank, F., Nillius, B., Bundke, U., Rose, D., Schmidt, S., Schneider, J., Worringen, A., Kandler, K., Bukowiecki, N., Ebert, M., Curtius, J., and Stratmann, F.: Characterization and first results of an ice nucleating particle measurement system based on counterflow virtual impactor technique, Atmos. Meas. Tech. Discuss., 7, 10585-10617, doi:10.5194/amtd-7-10585-2014, 2014. http://www.atmos-meas-tech-discuss.net/7/10585/2014/amtd-7-10585-2014.pdf (21.10.14)

 

  • Schmidt, S., Schneider, J., Klimach, T., Mertes, S., Schenk, L. P., Curtius, J., Kupiszewski, P., Hammer, E., Vochezer, P., Lloyd, G., Ebert, M., Kandler, K., Weinbruch, S., and Borrmann, S.: In-situ single submicron particle composition analysis of ice residuals from mountain-top mixed-phase clouds in Central Europe, Atmos. Chem. Phys. Discuss., 15, 4677-4724, doi:10.5194/acpd-15-4677-2015, 2015. http://www.atmos-chem-phys-discuss.net/15/4677/2015/acpd-15-4677-2015.pdf (19.02.15)

 

 

See also:

http://www.atmos-chem-phys-discuss.net/special_issue203.html

 

 

 

 

Conference Proceedings

 

  • Hiranuma, N., Möhler, O., Wex, H., Kulkarni, G., Boose, Y., Bundke, U., Cziczo, D. J., Danielczok, A., Ebert, M., Garimella, S., Hoffmann, N., Höhler, K., Kanji, Z. A., Kiselev, A., Raddatz, M., and Stetzer, O. Immerion freezing of clay minerals and bacterial ice nuclei, in: Nucleation and Atmospheric Aerosols, 19th International Conference, edited by: DeMott, P.J. and O’Dowd, C. D., AIP Publishing, Melville, New York, 914-917, 2013. http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4803420

 

  • Koop, T.; Atmospheric Water, in: Water: Fundamentals as the Basis for Understanding the Environment and Promoting Technology (Eds.: P.G. Debenedett, M.A. Ricci F. Bruni), pp. 45–75, Vol. 187 of the Proceedings of the International School of Physics ''Enrico Fermi'', IOS, Amsterdam; SIF, Bologna, 2015.
    http://dx.doi.org/10.3254/978-1-61499-507-4-45

 

  • Möhler, O., Hiranuma, N., Höhler, K., Hoose, C., Hummel, M., Niemand, M., Oehm, C., Schmitt, T., Steinke, I., Wagner, R.: Parameterizations of Ice Formation Derived from AIDA Cloud Simulation Experiments, Proceedings of the International Conference on Nucleation and Atmospheric Aerosols, P. DeMott and C. O´Dowd (eds.), American Institut of Physics, 1527, 2013. doi: 10.1063/1.4803405. http://dx.doi.org/10.1063/1.4803405

 

 

 

 

 

Other Publications (without INUIT acknowledgement)

 

  • Tobo, Y., DeMott, P. J., Raddatz, M., Niedermeier, D., Hartmann, S., Kreidenweis, S. M., Stratmann, F., and Wex, H. (2012), Impacts of chemical reactivity on ice nucleation of kaolinite particles: A case study of levoglucosan and sulfuric acid, Geophys. Res.Lett., 39(L19803), doi:10.1029/2012GL053007. http://onlinelibrary.wiley.com/doi/10.1029/2012GL053007/abstract