Malte Müller

• Haigh, Ivan D.; Pickering, Mark D.; Green, J.A. Mattias; Arbic, Brian K.; Arns, Arne; Dangendorf, Sönke; Hill, David F.; Horsburgh, Kevin; Howard, Tom; Idier, Déborah; Jay, David A.; Jänicke, Leon; Lee, Serena B.; Müller, Malte; Schindelegger, Michael; Talke, Stefan A.; Wilmes, Sophie-Berenice & Woodworth, Philip L. (2020). The tides they are a-changin': A comprehensive review of past and future nonastronomical changes in tides, their driving mechanisms, and future implications. Reviews of Geophysics.  ISSN 8755-1209.  58:e2018RG000636(1), s 1- 39 . doi: 10.1029/2018RG000636
• Hegdahl, Trine J.; Engeland, Kolbjørn; Müller, Malte & Sillmann, Jana (2020). An event-based approach to explore selected present and future atmospheric river–induced floods in Western Norway. Journal of Hydrometeorology.  ISSN 1525-755X.  21(9), s 2003- 2021 . doi: 10.1175/JHM-D-19-0071.1 Fulltekst i vitenarkiv. Vis sammendrag

  The aim of this study is to investigate extreme precipitation events caused by atmospheric rivers and compare their flood impact in a warmer climate to current climate using an event-based storyline approach. The study was set up by selecting four high precipitation events from 30 years of present and future climate simulations of the high-resolution global climate model EC-Earth. The two most extreme precipitation events within the selection area for the present and future climate were identified, and EC-Earth was rerun creating 10 perturbed realizations for each event. All realizations were further downscaled with the regional weather prediction model, AROME-MetCoOp. The events were thereafter used as input to the operational Norwegian flood-forecasting model for 37 selected catchments in western Norway, and the magnitude and the spatial pattern of floods were analyzed. The role of the hydrological initial conditions, which are important for the total flooding, were analyzed with a special emphasis on snow and soil moisture excess. The results show that the selected future extreme precipitation events affected more catchments with larger floods, compared to the events from present climate. In addition, multiple realizations of the meteorological forcing and four different hydrological initial conditions, e.g. soil saturation and snow storage, were important for the estimation of the maximum flood level. The meteorological forcing (e.g. the internal variability/perturbed output) accounts for the highest contribution to the spread in flood magnitude; however, for some events and catchments the hydrological initial conditions affected the magnitudes of floods more than the meteorological forcing.

• Kelder, Timo; Müller, Malte; Slater, L.J.; Marjoribanks, T.I.; Wilby, R.L.; Prudhomme, Christel; Bohlinger, Patrik; Ferranti, L. & Nipen, Thomas Nils (2020). Using UNSEEN trends to detect decadal changes in 100-year precipitation extremes. npj Climate and Atmospheric Science.  ISSN 2397-3722.  3 . doi: 10.1038/s41612-020-00149-4 Fulltekst i vitenarkiv.
• Løken, Trygve Kvåle; Rabault, Jean; Jensen, Atle; Sutherland, Graig; Christensen, Kai Håkon & Müller, Malte (2020). Wave measurements from ship mounted sensors in the Arctic marginal ice zone. Cold Regions Science and Technology.  ISSN 0165-232X.  182 . doi: 10.1016/j.coldregions.2020.103207 Fulltekst i vitenarkiv.
• Løken, Trygve Kvåle; Rabault, Jean; Thomas, Erin E.; Müller, Malte; Christensen, Kai Håkon; Sutherland, Graig & Jensen, Atle (2020). A comparison of wave observations in the Arctic marginal ice zone with spectral models. Proceedings of the IAHR International Symposium on ice.  ISSN 2414-6331.  s 499- 508
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Haarsma, Reindert; Hazeleger, Wilco; Hegdahl, Trine Jahr; Kelder, Timo; van den Oord, Gijs; Weerts, Albrecht & Whan, Kirien (2020). The role of spatial and temporal model resolution in a flood event storyline approach in western Norway. Weather and Climate Extremes.  ISSN 2212-0947.  29 . doi: 10.1016/j.wace.2020.100259 Vis sammendrag

  We apply a physical climate storyline approach to an autumn flood event in the West Coast of Norway caused by an atmospheric river to demonstrate the value and challenges of higher spatial and temporal resolution in simulating flood impacts. We use a modelling chain whose outputs are familiar and used operationally, for example to issue flood warnings. With two different versions of a hydrological model, we show that (1) the higher spatial resolution between the global and regional climate model is necessary to realistically simulate the high spatial variability of precipitation in this mountainous region and (2) only with hourly data are we able to capture the fast flood-generating processes leading to the peak streamflow. The higher resolution regional atmospheric model captures the fact that with the passage of an atmospheric river, some valleys receive high amounts of precipitation and others not, while the coarser resolution global model shows uniform precipitation in the whole region. Translating the event into the future leads to similar results: while in some catchments, a future flood might be much larger than a present one, in others no event occurs as the atmospheric river simply does not hit that catchment. The use of an operational flood warning system for future events is expected to facilitate stakeholder engagement.

• von Schuckmann, K.; Le Traon, Pierre-Yves; Smith, Neville; Pascual, Ananda; Djavidnia, Samuel; Gattuso, Jean-Pierre; Grégoire, Marilaure; Nolan, Glen; Aaboe, Signe; Bertino, Laurent; Korosov, Anton; Lavergne, Thomas & Müller, Malte (2020). Copernicus Marine Service Ocean State Report, issue 4. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology.  ISSN 1755-876X.  13(1), s 1- 172 . doi: 10.1080/1755876X.2020.1785097
• Ødemark, Karianne; Müller, Malte & Tveito, Ole Einar Ellingbø (2020). Changing lateral boundary conditions for probable maximum precipitation studies: A physically consistent approach. Journal of Hydrometeorology.  ISSN 1525-755X.  22(1), s 113- 123 . doi: 10.1175/JHM-D-20-0070.1 Fulltekst i vitenarkiv.
• Aaboe, Signe; Aguiar, Eva; Álvarez Fanjul, Enrique; Alvera-Azcárate, Aida; Aouf, Lotfi; Barciela, Rosa; Behrens, Arno; Belmonte Rivas, Maria; Ben Ismail, Sana; Bentamy, Abderrahim; Borgini, Mireno; Brando, Vittorio E.; Bensoussan, Nathaniel; Blauw, Anouk; Bryère, Philippe; Buongiorno Nardelli, Bruno; Caballero, Ainhoa; Yumruktepe, Caglar; Cebrian, Emma; Chiggiato, Jacopo; Clementi, Emanuela; Corgnati, Lorenzo; de Alfonso, Marta; de Pascual Collar, Álvaro; Deshayes, Julie; Di Lorenzo, Emanuele; Dominici, Jean-Marie; Dupouy, Cécile; Drévillon, Marie; Echevin, Vincent; Eleveld, Marieke; Enserink, Lisette; García Sotillo, Marcos; Garnesson, Philippe; Garrabou, Joaquim; Garric, Gilles; Gasparin, Florent; Gayer, Gerhard; Gohin, Francis; Grandi, Alessandro; Griffa, Annalisa; Gourrion, Jérôme; Hendricks, Stefan; Heuzé, Céline; Holland, Elisabeth; Iovino, Doroteaciro; Juza, Mélanie; Kersting, Diego Kurt; Kipson, Silvija; Kizilkaya, Zafer; Korres, Gerasimos; Kõuts, Mariliis; Lagemaa, Priidik; Lavergne, Thomas; Lavigne, Heloise; Ledoux, Jean-Baptiste; Legeais, Jean François; Lehodey, Patrick; Linares, Cristina; Liu, Ye; Mader, Julien; Maljutenko, Ilja; Mangin, Antoine; Manso-Narvarte, Ivan; Mantovani, Carlo; Markager, Stiig; Mason, Evan; Mignot, Alexandre; Menna, Milena; Monier, Maeva; Mourre, Baptiste; Müller, Malte; Nielsen, Jacob Woge; Notarstefano, Giulio; Ocaña, Oscar; Pascual, Ananda; Patti, Bernardo; Payne, Mark R.; Peirache, Marion; Pardo, Silvia; Pérez Gómez, Begoña; Pisano, Andrea; Perruche, Coralie; Peterson, K. Andrew; Pujol, Marie-Isabelle; Raudsepp, Urmas; Ravdas, Michalis; Raj, Roshin Pappukutty; Renshaw, Richard; Reyes, Emma; Ricker, Robert; Rubio, Anna; Sammartino, Michela; Santoleri, Rosalia; Sathyendranath, Shubha; Schroeder, Katrin; She, Jun; Sparnocchia, Stefania; Staneva, Joanna; Stoffelen, Ad; Szekely, Tanguy; Tilstone, Gavin H.; Tinker, Jonathan; Tintoré, Joaquín; Tranchant, Benoît; Uiboupin, Rivo; Van der Zande, Dimitry; Wood, Richard; Woge Nielsen, Jacob; Zabala, Mikel; Zacharioudaki, Anna; Zuberer, Frédéric & Zuo, Hao (2019). Copernicus Marine Service Ocean State Report, Issue 3. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology.  ISSN 1755-876X.  12, s 1- 123 . doi: 10.1080/1755876X.2019.1633075
• Batrak, Yurii & Müller, Malte (2019). On the warm bias in atmospheric reanalyses induced by the missing snow over Arctic sea-ice. Nature Communications.  ISSN 2041-1723.  10(1), s 4170 . doi: 10.1038/s41467-019-11975-3
• Bohlinger, Patrik; Breivik, Øyvind; Economou, Theodoros & Müller, Malte (2019). A novel approach to computing super observations for probabilistic wave model validation. Ocean Modelling.  ISSN 1463-5003.  139:101404, s 1- 10 . doi: 10.1016/j.ocemod.2019.101404 Fulltekst i vitenarkiv.
• Howe, Bruce M.; Arbic, Brian K.; Aucan, Jérome; Barnes, Chris; Bayliff, Nigel; Becker, Nathan; Butler, Rhett; Doyle, Laurie; Elipot, Shane; Johnson, Gregory C.; Landerer, Felix; Lentz, Steve; Luther, Douglas S.; Müller, Malte; Mariano, John; Panayotou, Kate; Rowe, Charlotte; Ota, Hiroshi; Song, Y. Tony; Thomas, Maik; Thomas, Preston N.; Thompson, Philip; Tilmann, Frederik; Weber, Tobias & Weinstein, Stuart (2019). Smart cables for observing the global ocean: Science and implementation. Frontiers in Marine Science.  ISSN 2296-7745.  6 . doi: 10.3389/fmars.2019.00424
• Melsom, Arne; Palerme, Cyril & Müller, Malte (2019). Validation metrics for ice edge position forecasts. Ocean Science.  ISSN 1812-0784.  15(3), s 615- 630 . doi: 10.5194/os-15-615-2019 Vis sammendrag

  Retreating sea ice in the Arctic Ocean gives rise to increased naval traffic with shorter navigation distances. Hence, information about the position of the sea ice edge is crucial for safe navigation. In the present study we explore methods for examining the quality of sea ice edge forecasts. We conclude that the forecast quality can be monitored with results from a set of four quantities. We also recommend the use of maps which display discrepancies in the positions of the sea ice edge.

• Palerme, Cyril; Müller, Malte & Melsom, Arne (2019). An intercomparison of verification scores for evaluating the sea ice edge position in seasonal forecasts. Geophysical Research Letters.  ISSN 0094-8276.  46(9), s 4757- 4763 . doi: 10.1029/2019GL082482
• Batrak, Yurii & Müller, Malte (2018). Atmospheric response to kilometer‐scale changes in sea‐ice concentration within the Marginal Ice Zone. Geophysical Research Letters.  ISSN 0094-8276.  45(13), s 6702- 6709 . doi: 10.1029/2018GL078295
• Sérazin, Guillaume; Penduff, Thierry; Barnier, Bernard; Molines, Jean-Marc; Arbic, Brian K.; Müller, Malte & Terray, Laurent (2018). Inverse cascades of kinetic energy as a source of intrinsic variability: A global OGCM study. Journal of Physical Oceanography.  ISSN 0022-3670.  48(6), s 1385- 1408 . doi: 10.1175/JPO-D-17-0136.1
• Li, Zhuhua; von Storch, Jin-Song & Müller, Malte (2017). The K1 internal tide simulated by a 1/10° OGCM. Ocean Modelling.  ISSN 1463-5003.  113, s 145- 156 . doi: 10.1016/j.ocemod.2017.04.002
• Müller, Malte; Batrak, Yurii; Kristiansen, Jørn; Køltzow, Morten Andreas Ødegaard; Noer, Gunnar & Korosov, Anton (2017). Characteristics of a convective-scale weather forecasting system for the European Arctic. Monthly Weather Review.  ISSN 0027-0644.  145(12), s 4771- 4787 . doi: 10.1175/MWR-D-17-0194.1
• Müller, Malte; Homleid, Mariken; Ivarsson, Karl-Ivar; Køltzow, Morten Andreas Ødegaard; Lindskog, Magnus; Midtbø, Knut Helge; Andrae, Ulf; Aspelien, Trygve; Berggren, Lars; Bjørge, Dag; Dahlgren, Per; Kristiansen, Jørn; Randriamampianina, Roger; Ridal, Martin & Vignes, Ole Nikolai (2017). AROME-MetCoOp: A Nordic Convective-Scale Operational Weather Prediction Model. Weather and forecasting.  ISSN 0882-8156.  32(2), s 609- 627 . doi: 10.1175/WAF-D-16-0099.1
• Fer, Ilker; Müller, Malte & Peterson, Algot Kristoffer (2015). Tidal forcing, energetics, and mixing near the Yermak Plateau. Ocean Science.  ISSN 1812-0784.  11(2), s 287- 304 . doi: 10.5194/os-11-287-2015 Fulltekst i vitenarkiv.
• Li, Zhuhua; von Storch, Jin-Song & Müller, Malte (2015). The M2 Internal Tide Simulated by a 1/10° OGCM. Journal of Physical Oceanography.  ISSN 0022-3670.  45(12), s 3119- 3135 . doi: 10.1175/JPO-D-14-0228.1
• Müller, Malte; Arbic, Brian K.; Richman, James G.; Shriver, Jay F.; Kunze, Eric; Scott, Robert; Wallcraft, Alan J. & Zamudio, Luis (2015). Toward an internal gravity wave spectrum in global ocean models. Geophysical Research Letters.  ISSN 0094-8276.  42(9), s 3474- 3481 . doi: 10.1002/2015GL063365
• Arbic, Brian K.; Müller, Malte; Richman, James G.; Shriver, Jay F.; Morten, Andrew J.; Scott, Robert B.; Sérazin, Guillaume & Penduff, Thierry (2014). Geostrophic turbulence in the frequency-wavenumber domain: Eddy-driven low-frequency variability. Journal of Physical Oceanography.  ISSN 0022-3670.  44(8), s 2050- 2069 . doi: 10.1175/JPO-D-13-054.1
• Gräwe, Ulf; Burchard, Hans; Müller, Malte & Schuttelaars, Henk M. (2014). Seasonal variability in M<sub>2</sub> and M<sub>4</sub> tidal constituents and its implications for the coastal residual sediment transport. Geophysical Research Letters.  ISSN 0094-8276.  41(15), s 5563- 5570 . doi: 10.1002/2014GL060517
• Müller, Malte; Cherniawsky, Josef Y.; Foreman, Michael G.G. & von Storch, Jin-Song (2014). Seasonal variation of the M 2 tide. Ocean Dynamics.  ISSN 1616-7341.  64(2), s 159- 177 . doi: 10.1007/s10236-013-0679-0
• Stammer, Detlef; Ray, Richard D.; Andersen, Ole Baltazar; Arbic, Brian K.; Bösch, Wolfgang; Carrère, Loren; Cheng, Yongcun; Chinn, Douglas S.; Dushaw, Brian D.; Egbert, Gary D.; Erofeeva, Svetlana Yu.; Fok, Hoksum; Green, Johan A.Mattias; Griffiths, Stephen D.; King, Matthew A.; Lapin, Vladimir; Lemoine, Frank G.R.; Luthcke, Scott B.; Lyard, Florent H.; Morison, James H.; Müller, Malte; Padman, Laurie; Richman, James G.; Shriver, Jay F.; Shum, Che-Kwan; Taguchi, Eifu & Yi, Yochan (2014). Accuracy assessment of global barotropic ocean tide models. Reviews of Geophysics.  ISSN 8755-1209.  52(3), s 243- 282 . doi: 10.1002/2014RG000450

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• Fer, Ilker; Nilsen, Frank; Bosse, Anthony; Falck, Eva; Fossum, Trygve Olav; Hole, Lars Robert; Koenig, Zoé Charlotte; Kolås, Eivind; Libæk, Aleksander; Lincoln, Ben; Ludvigsen, Martin; Marnela, Marika; Müller, Malte; Norgren, Petter; Rabault, Jean; Siedl, Andrew; Skogseth, Ragnheid & Utkilen, inga (2020). Physical Process Cruise 2018: Cruise Report.
• Løken, Trygve Kvåle; Rabault, Jean; Thomas, Erin E.; Müller, Malte; Christensen, Kai Håkon; Sutherland, Graig & Jensen, Atle (2020). A comparison of wave observations in the Arctic marginal ice zone with spectral models.
• Müller, Malte; Stige, Leif Christian; Gabrielsen, Geir W.; Rinaldo, Øyvind; Knudsen, Stig Morten; Rødven, Rolf; Brussard, Anne Christine & Eldevik, Tor (2020). Arctic Frontiers side event FROM NANSEN LEGACY SCIENCE TO USEFUL KNOWLEDGE FOR SOCIETY.
• Breivik, Øyvind; Rabault, Jean; Hole, Lars R; Christensen, Kai Håkon; Müller, Malte; Jensen, Atle & Mauritzen, Cecilie (2019). Bølger i isen påvirker Arktis. Å forstå isdønningene kan forbedre værvarsler og klimamodeller.. Forskning.no.  ISSN 1891-635X.
• Evans, Anna Kathinka Dalland; Batrak, Yurii & Müller, Malte (2019). New method for weather forecasting in the arctic. sciencenorway.no.
• Evans, Anna Kathinka Dalland; Batrak, Yurii & Müller, Malte (2019). Ny metode for varsling av vær i arktisk. Forskning.no.  ISSN 1891-635X.
• Løken, Trygve Kvåle; Rabault, Jean; Jensen, Atle; Christensen, Kai Håkon & Müller, Malte (2019). Wave statistics from ship mounted sensors in the marginal ice zone.
• Løken, Trygve Kvåle; Rabault, Jean; Jensen, Atle; Sutherland, Graig; Christensen, Kai Håkon & Müller, Malte (2019). Wave measurements from ship mounted sensors in the Arctic marginal ice zone.
• Müller, Malte (2019). On the warm bias of atmospheric reanalysis over sea-ice in Arctic winter..
• Thomas, Erin E.; Batrak, Yurii; Müller, Malte; Carrasco, Ana & Sætra, Øyvind (2019). Atmosphere-Wave Coupling in a NWP System.
• Thomas, Erin E.; Batrak, Yurii; Müller, Malte; Carrasco, Ana & Sætra, Øyvind (2019). Atmosphere-Wave Coupling in an Arctic NWP System.
• Arbic, Brian K.; Alford, Matthew H.; Ansong, Joseph K.; Buijsman, Maarten C.; Ciotti, Robert B.; Farrar, J. Thomas; Hallberg, Robert W.; Henze, Christopher E.; Christopher N., Hill; Conrad A., Luecke; Menemenlis, Dimitris; Metzger, Joseph M.; Müller, Malte; Nelson, Arin D.; Nelson, Bron C.; Ngodock, Hans E.; Ponte, Rui M.; Richman, James G.; Savage, Anna C.; Scott, Robert B.; Shriver, Jay F.; Simmons, Harper L.; Souopgui, Innocent; Timko, Patrick G.; Wallcraft, Alan J.; Zamudio, Luis & Zhao, Zhongxiang (2018). A Primer on Global Internal Tide and Internal Gravity Wave Continuum Modeling n HYCOM and MITgcm, In Eric P. Chassignet (ed.),  New Frontiers in Operational Oceanography.  GODAE OceanView.  ISBN 1720549974.  Chapter 13.  s 307 - 392
• Lamers, Machiel; Knol, Maaike; Müller, Malte; Blair, Berill; Jeuring, Jelmer; Rasmussen, Till Andreas Soya & Sivle, Anders Doksæter (2018). Enhancing the saliency of climate services for marine mobility sectors in European Arctic seas (SALIENSEAS): Stakeholder Advisory Group Workshop Report. Fulltekst i vitenarkiv.
• Müller, Malte & Batrak, Yurii (2018). Convective-scale atmospheric modelling in the Arctic: Model characteristics and sensitivity to the sea-ice representation.
• Müller, Malte & Batrak, Yurii (2018). On the warm bias of atmospheric reanalysis over sea-ice in Arctic winter.
• Müller, Malte & Sivle, Anders Doksæter (2018). Maritimt forskning - SALIENSEAS. Skipsrevyen.  ISSN 0800-2282.  5
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Bjørge, Dag; Kelder, Timo; van den Oord, Gjis; Haarsma, Reindert J. & Hazeleger, Wilco (2018). Translating the October 2014 flood event in western Norway into the future.
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Bjørge, Dag; Kelder, Timo; van den Oord, Gjis; Haarsma, Reindert J. & Hazeleger, Wilco (2018). Translating the October 2014 flood event in western Norway into the future.
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Bjørge, Dag; Kelder, Timo; van den Oort, Gijs; Haarsma, Reindert J. & Hazeleger, Wilco (2018). Translating the October 2014 flood event in western Norway into the future. Geophysical Research Abstracts.  ISSN 1029-7006.  20
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte & Bjørge, Dag (2017). First results from the West Coast event.
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Haarsma, Reindert J.; Amundsen, Helene & Whan, Kirien (2017). Translating weather extremes into the future - A case for Norway.
• Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Haarsma, Reindert J.; Hazeleger, Wilco; Amundsen, Helene & Gjertsen, Uta (2017). Translating weather extremes into the future - A case for Norway.

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