Now showing items 61-80 of 406

    • A continuous tephrostratigraphic record from the Labrador Sea spanning the last 65 ka 

      Rutledal, Sunniva; Haflidason, Haflidi; Berben, Sarah Miche Patricia; Griem, Lisa; Jansen, Eystein (Journal article; Peer reviewed, 2020)
      Volcanic ash preserved in marine sediment sequences is key for independent synchronization of palaeoclimate records within and across different climate archives. Here we present a continuous tephrostratigraphic record from ...
    • Tephra horizons identified in the western North Atlantic and Nordic Seas during the Last Glacial Period: Extending the marine tephra framework 

      Rutledal, Sunniva; Berben, Sarah Miche Patricia; Dokken, Trond Martin; Bilt, Willem van der; Cederstrøm, Jan Magne; Jansen, Eystein (Peer reviewed; Journal article, 2020)
      Geochemically distinct volcanic ash (tephra) deposits are increasingly acknowledged as a key geochronological tool to synchronize independent paleoclimate archives. Recent advances in the detection of invisible (crypto) ...
    • Global Carbon Budget 2020 

      Friedlingstein, Pierre; O'Sullivan, Michael; Jones, Matthew W.; Andrew, Robbie; Hauck, Judith; Olsen, Are; Peters, Glen Philip; Peters, Wouter; Pongratz, Julia; Sitch, Stephen; Le Quéré, Corinne; Canadell, Josep G.; Ciais, Philippe; Jackson, Robert B.; Alin, Simone; Aragão, Luiz E.O.C.; Arneth, Almut; Arora, Vivek K.; Bates, Nicholas R.; Becker, Meike; Benoit-Cattin, Alice; Bittig, Henry C.; Bopp, Laurent; Bultan, Selma; Chandra, Naveen; Chevallier, Frédéric; Chini, Louise P.; Evans, Wiley; Florentie, Liesbeth; Forster, Piers M.; Gasser, Thomas; Gehlen, Marion; Gilfillan, Dennis; Gkritzalis, Thanos; Gregor, Luke; Gruber, Nicolas; Harris, Ian; Hartung, Kerstin; Haverd, Vanessa; Houghton, Richard A.; Ilyina, Tatiana; Jain, Atul K.; Joetzjer, Emilie; Kadono, Koji; Kato, Etsushi; Kitidis, Vassilis; Korsbakken, Jan Ivar; Landschützer, Peter; Lefevre, Nathalie; Lenton, Andrew; Lienert, Sebastian; Liu, Zhu; Lombardozzi, Danica; Marland, Gregg; Metzl, Nicolas; Munro, David; Nabel, Julia E.M.S.; Nakaoka, Shin-Ichiro; Niwa, Yosuke; O'Brien, Kevin M.; Ono, Tsuneo; Palmer, Paul I.; Pierrot, Denis; Poulter, Ben; Resplandy, Laure; Robertson, Eddy; Rödenbeck, Christian; Schwinger, Jörg; Séférian, Roland; Skjelvan, Ingunn; Smith, Adam J.P.; Sutton, Adrienne; Tanhua, Toste; Tans, Pieter P.; Tian, Hanqin; Tilbrook, Bronte; Van Der Werf, Guido; Vuichard, Nicolas; Walker, Anthony P.; Wanninkhof, Rik; Watson, Andrew; Willis, David; Wiltshire, Andy; Yuan, Wenping; Yue, Xu; Zaehle, Sönke (Peer reviewed; Journal article, 2020)
      Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate – the “global carbon budget” – is important to better ...
    • An updated version of the global interior ocean biogeochemical data product, GLODAPv2.2020 

      Olsen, Are; Lange, Nico; Key, Robert M.; Tanhua, Toste; Bittig, Henry C.; Kozyr, Alexander; Alvarez, Marta; Azetsu-Scott, Kumiko; Becker, Susan; Brown, Peter; Carter, Brendan R; Da Cunha, Leticia Cotrim; Feely, Richard A.; van Heuven, Steven; Hoppema, Mario; Ishii, Masao; Jeansson, Emil; Jutterström, Sara; Landa, Camilla Stegen; Lauvset, Siv Kari; Michaelis, Patrick; Murata, Akihiko; Perez, F. Fiz; Pfeil, Gerrit Benjamin; Schirnick, Carsten; Steinfeldt, Reiner; Suzuki, Toru; Tilbrook, Bronte; Velo, Antón; Wanninkhof, Rik (Peer reviewed; Journal article, 2020)
      The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical data, with an emphasis on seawater inorganic carbon chemistry and related ...
    • Ocean Biogeochemical Predictions—Initialization and Limits of Predictability 

      Fransner, Filippa; Counillon, Francois; Bethke, Ingo; Tjiputra, Jerry; Samuelsen, Annette; Nummelin, Aleksi; Olsen, Are (Peer reviewed; Journal article, 2020)
      Predictions of ocean biogeochemistry, such as primary productivity and CO2 uptake, would help to understand the changing marine environment and the global climate. There is an emerging number of studies where initialization ...
    • Modeled Microbial Dynamics Explain the Apparent Temperature Sensitivity of Wetland Methane Emissions 

      Chadburn, Sarah E.; Aalto, Tuula; Aurela, Mika; Baldocchi, Dennis; Biasi, Christina; Boike, Julia; Burke, Eleanor J.; Comyn-platt, Edward; Dolman, A Johannes; Duran-Rojas, Carolina; Fan, Yuanchao; Friborg, Thomas; Gao, Yao; Gedney, Nicola; Göckede, Mathias; Hayman, Garry D.; Holl, David; Hugelius, Gustaf; Kutzbach, Lars; Lee, Hanna; Lohila, Annalea; Parmentier, Frans-Jan W.; Sachs, Torsten; Shurpali, Narasinha J.; Westermann, Sebastian (Peer reviewed; Journal article, 2020)
      Methane emissions from natural wetlands tend to increase with temperature and therefore may lead to a positive feedback under future climate change. However, their temperature response includes confounding factors and ...
    • New flood frequency estimates for the largest river in Norway based on the combination of short and long time series 

      Engeland, Kolbjørn; Aano, Anna; Steffensen, Ida Grøndahl; Støren, Eivind Wilhelm Nagel; Paasche, Øyvind (Peer reviewed; Journal article, 2020)
      The Glomma River is the largest in Norway, with a catchment area of 154 450 km2. People living near the shores of this river are frequently exposed to destructive floods that impair local cities and communities. Unfortunately, ...
    • Sequential extraction procedure to obtain the composition of terrigenous detritus in marine sediments 

      Simon, Margit Hildegard; Babin, Daniel P.; Goldstein, Steven L.; Cai, Merry Yue; Liu, Tanzhuo; Han, Xibin; Haws, Anne A.; Johns, Matthew; Lear, Caroline H.; Hemming, Sidney R. (Peer reviewed; Journal article, 2020)
      The geochemical and isotopic composition of terrigenous clays from marine sediments can provide important information on the sources and pathways of sediments. In order to extract the detrital signal from bulk marine ...
    • Impact of solar irradiance and geomagnetic activity on polar NOx, ozone and temperature in WACCM simulations 

      Tartaglione, Nazario; Toniazzo, Thomas; Orsolini, Yvan J.; Otterå, Odd Helge (Peer reviewed; Journal article, 2020)
      The response of the atmosphere to solar irradiance and geomagnetic activity is analyzed in experiments with the Whole Atmosphere Community Climate Model (WACCM) under idealized forcings. Four experiments are carried out ...
    • Extreme Precipitation Changes in Europe from the Last Millennium to the End of the Twenty-First Century 

      Huo, Ran; Li, Lu; Chen, Hua; Xu, Chong-Yu; Chen, Jie; Guo, Shenglian (Journal article; Peer reviewed, 2020)
      In this study, we aim to better understand the current and future projections of precipitation extremes in Europe in the context of climatic variability over a long-term period from the last millennium to the end of the ...
    • The Pliocene Model Intercomparison Project Phase 2: large-scale climate features and climate sensitivity 

      Haywood, Alan M.; Tindall, Julia C.; Dowsett, Harry J.; Dolan, Aisling M.; Foley, Kevin M.; Hunter, Stephen J.; Hill, Daniel J.; Chan, Wing-Le; Abe-Ouchi, Ayako; Stepanek, Christian; Lohmann, Gerrit; Chandan, Deepak; Peltier, Richard W.; Tan, Ning; Contoux, Camille; Ramstein, Gilles; Li, Xiangyu; Zhang, Zhongshi; Guo, Chuncheng; Nisancioglu, Kerim Hestnes; Zhang, Qiong; Li, Qiang; Kamae, Youichi; Chandler, Mark A.; Sohl, Linda E.; Otto-Bliesner, Bette L.; Feng, Ran; Brady, Esther C.; von der Heydt, Anna S.; Baatsen, Michiel L. J.; Lunt, Daniel J (Peer reviewed; Journal article, 2020)
      The Pliocene epoch has great potential to improve our understanding of the long-term climatic and environmental consequences of an atmospheric CO2 concentration near ~ 400 parts per million by volume. Here we present the ...
    • Overview of the Norwegian Earth System Model (NorESM2) and key climate response of CMIP6 DECK, historical, and scenario simulations 

      Seland, Øyvind; Bentsen, Mats; Oliviè, Dirk Jan Leo; Toniazzo, Thomas; Gjermundsen, Ada; Graff, Lise Seland; Debernard, Jens Boldingh; Gupta, Alok Kumar; He, Yan-Chun; Kirkevåg, Alf; Schwinger, Jörg; Tjiputra, Jerry; Aas, Kjetil Schanke; Bethke, Ingo; Fan, Yuanchao; Griesfeller, Jan; Grini, Alf; Guo, Chuncheng; Ilicak, Mehmet; Karset, Inger Helene H.; Landgren, Oskar Andreas; Liakka, Johan; Moseid, Kine Onsum; Nummelin, Aleksi; Spensberger, Clemens; Tang, Hui; Zhang, Zhongshi; Heinze, Christoph; Iversen, Trond; Schulz, Michael (Peer reviewed; Journal article, 2020)
      The second version of the coupled Norwegian Earth System Model (NorESM2) is presented and evaluated. NorESM2 is based on the second version of the Community Earth System Model (CESM2) and shares with CESM2 the computer ...
    • Processes Driving Global Interior Ocean pH Distribution 

      Lauvset, Siv Kari; Carter, B.R.; Pérez, Fiz F.; Jiang, L.-Q.; Feely, Richard A.; Velo, Antón; Olsen, Are (Peer reviewed; Journal article, 2020)
      Ocean acidification evolves on the background of a natural ocean pH gradient that is the result of the interplay between ocean mixing, biological production and remineralization, calcium carbonate cycling, and temperature ...
    • Projecting circum-Arctic excess-ground-ice melt with a sub-grid representation in the Community Land Model 

      Cai, Lei; Lee, Hanna; Aas, Kjetil Schanke; Westermann, Sebastian (Journal article; Peer reviewed, 2020)
      To address the long-standing underrepresentation of the influences of highly variable ground ice content on the trajectory of permafrost conditions simulated in Earth system models under a warming climate, we implement a ...
    • Evaluation of Multi-Satellite Precipitation Datasets and Their Error Propagation in Hydrological Modeling in a Monsoon-Prone Region 

      Chen, Jie; Li, ZiYi; Li, Lu; Wang, Jialing; Qi, Wenyan; Xu, Chong-Yu; Kim, Jong-Suk (Journal article; Peer reviewed, 2020)
      This study comprehensively evaluates eight satellite-based precipitation datasets in streamflow simulations on a monsoon-climate watershed in China. Two mutually independent datasets—one dense-gauge and one gauge-interpolated ...
    • Clumped isotope thermometry in bivalve shells: a tool for reconstructing seasonal upwelling 

      Caldarescu, Diana Elena; Sadatzki, Henrik; Dahl, Carin Andersson; Schäfer, Priska; Fortunato, Helena; Meckler, Anna Nele (Peer reviewed; Journal article, 2020)
      Carbonate clumped isotope thermometry is a powerful tool for reconstructing paleotemperature and paleosalinity. Despite its broad application in biotic and abiotic materials, its use in paleoclimate studies has been limited ...
    • A Last Glacial Maximum forcing dataset for ocean modelling 

      Morée, Anne; Schwinger, Jörg (Peer reviewed; Journal article, 2020)
      Model simulations of the Last Glacial Maximum (LGM; ∼ 21 000 years before present) can aid the interpretation of proxy records, can help to gain an improved mechanistic understanding of the LGM climate system, and are ...
    • Lineage-specific proteomic signatures in the Mycobacterium tuberculosis complex reveal differential abundance of proteins involved in virulence, DNA repair, CRISPR-Cas, bioenergetics and lipid metabolism 

      Yimer, Solomon Abebe; Kalayou, Shewit; Homberset, Håvard; Birhanu, Alemayehu Godana; Riaz, Tahira; Zegeye, Ephrem Debebe; Lutter, Timo; Abebe, Markos; Holm-Hansen, Carol; Aseffa, Abraham; Tonjum, Tone (Peer reviewed; Journal article, 2020)
      Despite the discovery of the tubercle bacillus more than 130 years ago, its physiology and the mechanisms of virulence are still not fully understood. A comprehensive analysis of the proteomes of members of the human-adapted ...
    • Proteomics and lipidomics analyses reveal modulation of lipid metabolism by perfluoroalkyl substances in liver of Atlantic cod (Gadus morhua) 

      Dale, Karina; Yadetie, Fekadu; Müller, Mette Helen Bjørge; Pampanin, Daniela Maria; Gilabert, Alejandra; Zhang, Xiaokang; Tairova, Zhanna; Haarr, Ane; Lille-Langøy, Roger; Lyche, Jan Ludvig; Porte, Cinta; Karlsen, Odd Andre; Goksøyr, Anders (Journal article; Peer reviewed, 2020)
      The aim of the present study was to investigate effects of defined mixtures of polycyclic aromatic hydrocarbons (PAHs) and perfluoroalkyl substances (PFASs), at low, environmentally relevant (1× = L), or high (20× = H) ...
    • Swimming exercise enhances brain plasticity in fish 

      Mes, Daan; Palstra, Arjan P.; Henkel, Christiaan; Mayer, Ian; Vindas, Marco (Peer reviewed; Journal article, 2020)
      It is well-established that sustained exercise training can enhance brain plasticity and boost cognitive performance in mammals, but this phenomenon has not received much attention in fish. The aim of this study was to ...