Blar i Faculty of Mathematics and Natural Sciences på tittel

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    • Global Characterization of Modern Depositional Environments for Reservoir Analogues 

      Nyberg, Björn (Doctoral thesis, 2015-05-12)
      The advent of significant volumes of freely available, global scale, remote sensing and Geographical Information Systems (GIS) data has revolutionized the study of modern depositional systems, especially with reference to ...

    • Global Common Conversion Point Stacking and its Applications 

      Sawade, Lucas Wilhelm Susanto (Master thesis, 2018-06-20)
      Imaging of globally varying subsurface structures is traditionally done by using seismic tomography to map large volumetric anomalies. Methods that image sharp discontinuities in seismic impedance have been restricted to ...

    • Global Convergence of Subspace Correction Methods for Convex Optimization Problems 

      Tai, Xue-Cheng; Xu, Jinchao (Department of Applied Mathematics report, Research report, 1998-03)

    • Global Distribution of Key Features of Streamer Corona Discharges in Thunderclouds 

      Soler, S.; Gordillo-Vázquez, F.J.; Pérez-Invernón, F.J.; Luque, A.; Li, D.; Neubert, T.; Chanrion, O.; Reglero, V.; Navarro-González, J.; Østgaard, Nikolai (Journal article; Peer reviewed, 2022)
      We present nighttime worldwide distributions of key features of Blue LUminous Events (BLUEs) detected by the Modular Multispectral Imaging Array of the Atmosphere-Space Interaction Monitor. Around 10% of all detected BLUEs ...

    • Global Dynamical Network of the Spatially Correlated Pc2 Wave Response for the 2015 St. Patrick's Day Storm 

      Chaudhry, S.; Chapman, Sandra; Gjerløv, Jesper; Beggan, C. D. (Journal article; Peer reviewed, 2023)
      We show the global dynamics of spatial correlation of Pc2 wave activity can track the evolution of the 2015 St. Patrick's Day geomagnetic storm for an 8 hr time window around onset. The global spatially coherent response ...

    • A global ecological classification of coastal segment units: To complement marine biodiversity observation network assessments 

      Sayre, Roger; Butler, Kevin; Graafeiland, Keith Van; Breyer, Sean; Wright, Dawn; Frye, Charlie; Karagulle, Deniz; Martin, Madeline; Cress, Jill; Allen, Tom; Allee, Rebecca J.; Parsons, Rost; Nyberg, Björn; Costello, Mark John; Harris, Peter; Muller-Karger, Frank E. (Journal article; Peer reviewed, 2021)
      A new data layer provides Coastal and Marine Ecological Classification Standard (CMECS) labels for global coastal segments at 1 km or shorter resolution. These characteristics are summarized for six US Marine Biodiversity ...

    • Global endemics-area relationships of vascular plants 

      Hobohm, Carsten; Janišová, Monika; Steinbauer, Manuel; Landi, Sara; Field, Richard; Vanderplank, Sula; Beierkuhnlein, Carl; Grytnes, John-Arvid; Vetaas, Ole Reidar; Fidelis, Alessandra; de Nascimento, Lea; Clark, Vincent Ralph; Fernández-Palacios, José María; Franklin, Scott; Guarino, Riccardo; Huang, Jihong; Krestov, Pavel V.; Ma, Keping; Onipchenko, Vladimir G.; Palmer, Michael W.; Fragomeni Simon, Marcelo; Stolz, Christian; Chiarucci, Alessandro (Peer reviewed; Journal article, 2019)
      Endemics–Area Relationships (EARs) are fundamental in theoretical and applied biogeography for understanding distribution patterns and promoting biodiversity conservation. However, calculating EARs for vascular plant species ...

    • Global existence of weak solutions to unsaturated poroelasticity 

      Both, Jakub Wiktor; Pop, Iuliu Sorin; Yotov, Ivan (Journal article; Peer reviewed, 2021)
      We study unsaturated poroelasticity, i.e., coupled hydro-mechanical processes in variably saturated porous media, here modeled by a non-linear extension of Biot’s well-known quasi-static consolidation model. The coupled ...

    • Global fading of the temperature–growth coupling at alpine and polar treelines 

      Camarero, Jesús Julio; Gazol, Antonio; Sánchez-Salguero, Raúl; Fajardo, Alex; McIntire, Eliot J. B.; Gutiérrez, Emilia; Batllori, Enric; Boudreau, Stephane; Carrer, Marco; Diez, Jeff; Dufour-Tremblay, Geneviève; Gaire, Narayan P.; Hofgaard, Annika; Jomelli, Vincent; Kirdyanov, Alexander V.; Lévesque, Esther; Liang, Eryuan; Linares, Juan Carlos; Mathisen, Ingrid Ertshus; Moiseev, Pavel A.; Sangüesa-Barreda, Gabriel; Shrestha, Krishna B.; Toivonen, Johanna M.; Tutubalina, Olga V.; Wilmking, Martin (Journal article; Peer reviewed, 2021)
      Climate warming is expected to positively alter upward and poleward treelines which are controlled by low temperature and a short growing season. Despite the importance of treelines as a bioassay of climate change, a global ...

    • Global food insecurity and famine from reduced crop, marine fishery and livestock production due to climate disruption from nuclear war soot injection 

      Xia, Lili; Robock, Alan; Scherrer, Kim Josefin Niklasdotter; Harrison, Cheryl S.; Bodirsky, Benjamin Leon; Weindl, Isabelle; Jägermeyr, Jonas; Bardeen, Charles G.; Toon, Owen B.; Heneghan, Ryan (Journal article; Peer reviewed, 2022)
      Atmospheric soot loadings from nuclear weapon detonation would cause disruptions to the Earth’s climate, limiting terrestrial and aquatic food production. Here, we use climate, crop and fishery models to estimate the impacts ...

    • Global Frequency and Geographical Distribution of Nighttime Streamer Corona Discharges (BLUEs) in Thunderclouds 

      Soler, S.; Gordillo-Vázquez, F.J.; Pérez-Invernón, F. J.; Luque, Alejandro; Li, D.; Neubert, Torsten; Chanrion, Olivier; Reglero, Victor; Navarro-Gonzalez, Javier; Østgaard, Nikolai (Journal article; Peer reviewed, 2021)
      Blue LUminous Events (BLUEs) are transient corona discharges occurring in thunderclouds and characterized by strong 337.0 nm light flashes with absent (or weak) 777.4 nm component. We present the first nighttime climatology ...

    • Global maps of soil temperature 

      Lembrechts, Jonas J.; van den Hoogen, Johan; Aalto, Juha; Ashcroft, Michael B.; De Frenne, Pieter; Kemppinen, Julia; Kopecký, Martin; Luoto, Miska; Maclean, Ilya M. D.; Crowther, Thomas W.; Bailey, Joseph J.; Haesen, Stef; Klinges, David H.; Niittynen, Pekka; Scheffers, Brett R.; Van Meerbeek, Koenraad; Aartsma, Peter; Abdalaze, Otar; Abedi, Mehdi; Aerts, Rien; Ahmadian, Negar; Ahrends, Antje; Alatalo, Juha M.; Alexander, Jake M.; Altman, Jan; Allonsius, Camille Nina; Ammann, Christof; Andres, Christian; Andrews, Christopher; Ardö, Jonas; Arriga, Nicola; Arzac, Alberto; Aschero, Valeria; Leandro de Assis, Rafael; Bjerke, Jarle W.; Cooper, Elisabeth J.; Graae, Bente Jessen; Rechsteiner, Aud Helen Halbritter; Haugum, Siri Vatsø; Lang, Simone; Lynn, Joshua Scott; Moriana Armendariz, Mikel; Petit Bon, Matteo; Smith, Stuart; Sørensen, Mia Vedel; Speed, James David Mervyn; Vandvik, Vigdis; Wedegärtner, Ronja Elisabeth Magdalene; Nijs, Ivan; Lenoir, Jonathan (Journal article; Peer reviewed, 2021)
      Research in global change ecology relies heavily on global climatic grids derived from estimates of air temperature in open areas at around 2 m above the ground. These climatic grids do not reflect conditions below vegetation ...

    • Global Minimization for Continuous Multiphase Partitioning Problems Using a Dual Approach 

      Bae, Egil; Yuan, Jing; Tai, Xue-Cheng (Peer reviewed; Journal article, 2010)
      This paper is devoted to the optimization problem of continuous multi-partitioning, or multi-labeling, which is based on a convex relaxation of the continuous Potts model. In contrast to previous efforts, which are tackling ...

    • A global monthly climatology of oceanic total dissolved inorganic carbon: a neural network approach 

      Broullón, Daniel; Velo, Antón; Hoppema, Mario; Olsen, Are; Takahashi, Taro; Key, Robert M.; Tanhua, Toste; Santana-Casiano, J. Magdalena; Kozyr, Alex; Perez, Fiz F. (Journal article; Peer reviewed, 2020)
      Anthropogenic emissions of CO2 to the atmosphere have modified the carbon cycle for more than 2 centuries. As the ocean stores most of the carbon on our planet, there is an important task in unraveling the natural and ...

    • A global monthly climatology of total alkalinity: A neural network approach 

      Broullón, Daniel; Perez, F. F.; Velo, Antón; Hoppema, Mario; Olsen, Are Christian Sviggum; Takahashi, Taro; Key, Robert M.; Tanhua, Toste; Gonzales-Davila, Melchor; Jeansson, Emil; Kozyr, Alexander; van Heuven, Steven (Peer reviewed; Journal article, 2019-07-31)
      Global climatologies of the seawater CO2 chemistry variables are necessary to assess the marine carbon cycle in depth. The climatologies should adequately capture seasonal variability to properly address ocean acidification ...

    • Global observed changes in daily climate extremes of temperature and precipitation 

      Alexander, L. V.; Zhang, X.; Peterson, T. C.; Caesar, J.; Gleason, B.; Klein Tank, A.; Haylock, M.; Collins, D.; Trewin, B.; Rahimzadeh, F.; Tagipour, A.; Ambenje, P.; Kumar, K. Rupa; Revadekar, J.; Griffiths, G.; Vincent, L.; Stephenson, David B.; Burn, J.; Aguliar, E.; Brunet, M.; Taylor, M.; New, M.; Zhai, P.; Rusticucci, M.; Vazquez-Aguirre, J. L. (Peer reviewed; Journal article, 2006-03-15)
      A suite of climate change indices derived from daily temperature and precipitation data, with a primary focus on extreme events, were computed and analyzed. By setting an exact formula for each index and using specially ...

    • A Global Ocean Oxygen Database and Atlas for Assessing and Predicting Deoxygenation and Ocean Health in the Open and Coastal Ocean 

      Grégoire, Marilaure; Garçon, Véronique; Garcia, Hernan E.; Breitburg, Denise L; Isensee, Kirsten; Oschlies, Andreas; Telszewski, Maciej; Barth, Alexander; Bittig, Henry C.; Carstensen, Jacob; Carval, Thierry; Chai, Fei; Chavez, Francisco; Conley, Daniel; Coppola, Laurent; Crowe, Sean; Currie, Kim; Dai, Minhan; Deflandre, Bruno; Dewitte, Boris; Diaz, Robert J.; Garcia-Robledo, Emilio; Gilbert, Denis; Giorgetti, Alessandra; Glud, Ronnie N; Gutierrez, Dimitri; Hosoda, Shigeki; Ishii, Masao; Jacinto, Gil; Langdon, Chris; Lauvset, Siv Kari; Levin, Lisa A.; Limburg, Karin E.; Mehrtens, Hela; Montes, Ivonne; Naqvi, Wajih; Paulmier, Aurelien; Pfeil, Gerrit Benjamin; Pitcher, Grant C; Pouliquen, Sylvie; Rabalais, N; Rabouille, Christophe; Recape, Virginie; Roman, Michael; Rose, Kenneth; Rudnick, Daniel L.; Rummer, Jodie L.; Schmechtig, Catherine; Schmidtko, Sunke; Seibel, Brad A.; Slomp, Caroline; Sumalia, Rashid; Tanhua, Toste; Thierry, Virginie; Uchida, Hiroshi; Wanninkhof, Rik; Yasuhara, Moriaki (Journal article; Peer reviewed, 2021)
      In this paper, we outline the need for a coordinated international effort toward the building of an open-access Global Ocean Oxygen Database and ATlas (GO2DAT) complying with the FAIR principles (Findable, Accessible, ...

    • Global Ocean Sediment Composition and Burial Flux in the Deep Sea 

      Hayes, Christopher T.; Costa, Kassandra M.; Anderson, Robert F.; Calvo, Eva; Chase, Zanna; Demina, Ludmila L.; Dutay, Jean-Claude; German, Cristopher R.; Heimbürger-Boavida, Lars-Eric; Jaccard, Samuel L.; Jacobel, Allison; Kohfeld, Karen E.; Kravchishina, Marina D.; Lippold, Jörg; Mekik, Figen; Missiaen, Lise; Pavia, Frank; Paytan, Adina; Pedrosa-Pamies, Rut; Petrova, Mariia V.; Rahman, Shaily; Robinson, Laura F.; Roy-Barman, Matthieu; Sanchez-Vidal, Anna; Shiller, Alan M.; Tagliabue, Alessandro; Tessin, Allyson; van Hulten, Marco Marinus Peter; Zhang, Jing (Journal article; Peer reviewed, 2021)
      Quantitative knowledge about the burial of sedimentary components at the seafloor has wide-ranging implications in ocean science, from global climate to continental weathering. The use of 230Th-normalized fluxes reduces ...

    • Global ocean wave fields show consistent regional trends between 1980 and 2014 in a multi-product ensemble 

      Erikson, L.; Morim, J.; Hemer, M.; Young, I.; Wang, X.L.; Mentaschi, L.; Mori, N.; Semedo, A.; Stopa, J.; Grigorieva, V.; Gulev, S.; Aarnes, Ole Johan; Bidlot, J.-R.; Breivik, Øyvind; Bricheno, L.; Shimura, T.; Menendez, M.; Markina, M.; Sharmar, V.; Trenham, C.; Wolf, J.; Appendini, C.; Caires, S.; Groll, N.; Webb, A. (Journal article; Peer reviewed, 2022)
      Historical trends in the direction and magnitude of ocean surface wave height, period, or direction are debated due to diverse data, time-periods, or methodologies. Using a consistent community-driven ensemble of global ...

    • Global phylogeography suggests extensive eucosmopolitanism in Mesopelagic Fishes (Maurolicus: Sternoptychidae) 

      Rees, David John; Poulsen, Jan Yde; Sutton, Tracey T.; Costa, Paulo A C; Landaeta, Mauricio F (Journal article; Peer reviewed, 2020)
      Fishes in the mesopelagic zone (200–1000 m) have recently been highlighted for potential exploitation. Here we assess global phylogeography in Maurolicus, the Pearlsides, an ecologically important group. We obtained new ...