Blar i CICERO Research Archive på forfatter "Hodnebrog, Øivind"

Viser treff 1-19 av 19

    • The added value of km-scale simulations to describe temperature over complex orography: the CORDEX FPS-Convection multi-model ensemble runs over the Alps 

      Soares, P.M.M.; Careto, J.A.M.; Cardoso, Rita M.; Goergen, Klaus; Katragkou, Eleni; Sobolowski, Stefan Pieter; Coppola, Erika; Ban, Nikolina; Belušić, Danijel; Berthou, Ségolène; Caillaud, Cécile; Dobler, Andreas; Hodnebrog, Øivind; Kartsios, Stergios; Lenderink, Geert; Lorenz, Torge; Milovac, Josipa; Feldmann, Hendrik; Pichelli, Emanuela; Truhetz, Heimo; Demory, Marie-Estelle; de Vries, Hylke; Warrach-Sagi, Kirsten; Keuler, Klaus; Raffa, Mario; Tölle, Merja H.; Sieck, Kevin; Bastin, Sophie (Peer reviewed; Journal article, 2022)
      The increase in computational resources has enabled the emergence of multi-model ensembles of convection-permitting regional climate model (CPRCM) simulations at very high horizontal resolutions. An example is the CORDEX ...

    • Changes in design precipitation over the Nordic-Baltic region as given by convection-permitting climate simulations 

      Dyrrdal, Anita Verpe; Médus, Erika; Dobler, Andreas; Hodnebrog, Øivind; Arnbjerg-Nielsen, Karsten; Olsson, Jonas; Thomassen, Emma Dybro; Lind, Petter; Gaile, Dace; Post, Piia (Peer reviewed; Journal article, 2023)
      The increased risk of flooding due to global warming and subsequent heavy rainfall events in the Nordic-Baltic region, call for recommendations directed at long-term planning. One example of such recommendations are climate ...

    • Cloudy-sky contributions to the direct aerosol effect 

      Myhre, Gunnar; Samset, Bjørn Hallvard; Mohr, Christian Wilhelm; Alterskjær, Kari; Balkanski, Yves; Bellouin, Nicolas; Chin, Mian; Haywood, James; Hodnebrog, Øivind; Kinne, Stefan; Lin, Guangxing; Lund, Marianne Tronstad; Penner, Joyce E.; Schulz, Michael; Schutgens, Nick; Skeie, Ragnhild Bieltvedt; Stier, Philip; Takemura, Toshihiko; Zhang, Kai (Journal article; Peer reviewed, 2020)
      The radiative forcing of the aerosol–radiation interaction can be decomposed into clear-sky and cloudy-sky portions. Two sets of multi-model simulations within Aerosol Comparisons between Observations and Models (AeroCom), ...

    • Dynamical response of Mediterranean precipitation to greenhouse gases and aerosols 

      Tang, Tao; Shindell, Drew; Samset, Bjørn Hallvard; Boucher, Olivier; Forster, Piers M.; Hodnebrog, Øivind; Myhre, Gunnar; Sillmann, Jana; Voulgarakis, Apostolos; Andrews, Timothy; Faluvegi, Gregory S.; Fläschner, Dagmar; Iversen, Trond; Kasoar, Matthew; Kharin, Viatcheslav; Kirkevåg, Alf; Lamarque, Jean-Francois; Oliviè, Dirk Jan Leo; Richardson, Thomas; Stjern, Camilla Weum; Takemura, Toshihiko (Peer reviewed; Journal article, 2018)

    • The effect of rapid adjustments to halocarbons and N2O on radiative forcing 

      Hodnebrog, Øivind; Myhre, Gunnar; Kramer, Ryan J.; Shine, Keith P.; Andrews, Timothy; Faluvegi, Greg; Kasoar, Matthew; Kirkevåg, Alf; Lamarque, Jean-Francois; Mülmenstädt, Johannes; Oliviè, Dirk Jan Leo; Samset, Bjørn Hallvard; Shindell, Drew; Smith, Christopher J.; Takemura, Toshihiko; Voulgarakis, Apostolos (Journal article; Peer reviewed, 2020)
      Rapid adjustments occur after initial perturbation of an external climate driver (e.g., CO2) and involve changes in, e.g. atmospheric temperature, water vapour and clouds, independent of sea surface temperature changes. ...

    • The first multi-model ensemble of regional climate simulations at kilometer-scale resolution, part I: evaluation of precipitation 

      Ban, Nikolina; Caillaud, Cécile; Coppola, Erika; Pichelli, Emanuela; Sobolowski, Stefan Pieter; Adinolfi, Marianna; Ahrens, Bodo; Alias, Antoinette; Anders, Ivonne; Bastin, Sophie; Belušić, Danijel; Berthou, Ségolène; Brisson, Erwan; Cardoso, Rita M.; Chan, Steven C.; Christensen, Ole Bøssing; Fernández, Jesús; Fita, Lluís; Frisius, Thomas; Gašparac, Goran; Giorgi, Filippo; Goergen, Klaus; Haugen, Jan Erik; Hodnebrog, Øivind; Kartsios, Stergios; Katragkou, Eleni; Kendon, Elizabeth J.; Keuler, Klaus; Lavin-Gullon, Alvaro; Lenderink, Geert; Leutwyler, David; Lorenz, Torge; Maraun, Douglas; Mercogliano, Paola; Milovac, Josipa; Panitz, Hans-Jürgen; Raffa, Mario; Remedio, Armelle Reca; Schär, Christoph; Soares, Pedro M.M.; Srnec, Lidija; Steensen, Birthe Marie Rødssæteren; Stocchi, Paolo; Tölle, Merja H.; Truhetz, Heimo; Vergara-Temprado, Jesus; de Vries, Hylke; Warrach-Sagi, Kirsten; Wulfmeyer, Volker; Zander, Mar Janne (Journal article; Peer reviewed, 2021)
      Here we present the first multi-model ensemble of regional climate simulations at kilometer-scale horizontal grid spacing over a decade long period. A total of 23 simulations run with a horizontal grid spacing of ∼3 km, ...

    • Frequency of extreme precipitation increases extensively with event rareness under global warming 

      Myhre, Gunnar; Alterskjær, Kari; Stjern, Camilla Weum; Hodnebrog, Øivind; Marelle, Louis; Samset, Bjørn Hallvard; Sillmann, Jana; Schaller, Nathalie; Fischer, Erich; Schulz, Michael; Stohl, Andreas (Journal article; Peer reviewed, 2019)
      The intensity of the heaviest extreme precipitation events is known to increase with global warming. How often such events occur in a warmer world is however less well established, and the combined effect of changes in ...

    • Future urban heat island influence on precipitation 

      Steensen, Birthe Marie Rødssæteren; Marelle-Sebrechts, Louis; Hodnebrog, Øivind; Myhre, Gunnar (Journal article; Peer reviewed, 2022)
      Urbanization and global warming are two of the major human impacts on the environment. The Urban Heat Island (UHI) effect can change precipitation patterns. Global warming also leads to changes in precipitation and especially ...

    • Historical total ozone radiative forcing derived from CMIP6 simulations 

      Skeie, Ragnhild Bieltvedt; Myhre, Gunnar; Hodnebrog, Øivind; Cameron-Smith, Philip J.; Deushi, Makoto; Hegglin, Michaela I.; Horowitz, Larry W.; Kramer, Ryan J.; Michou, Martine; Mills, Michael J.; Oliviè, Dirk Jan Leo; O’Connor, Fiona M.; Paynter, David; Samset, Bjørn Hallvard; Sellar, Alistair; Shindell, Drew; Takemura, Toshihiko; Tilmes, Simone; Wu, Tongwen (Journal article; Peer reviewed, 2020)
      Radiative forcing (RF) time series for total ozone from 1850 up to the present day are calculated based on historical simulations of ozone from 10 climate models contributing to the Coupled Model Intercomparison Project ...

    • Local biomass burning is a dominant cause of the observed precipitation reduction in southern Africa 

      Hodnebrog, Øivind; Myhre, Gunnar; Forster, Piers M.; Sillmann, Jana; Samset, Bjørn Hallvard (Peer reviewed; Journal article, 2016)
      Observations indicate a precipitation decline over large parts of southern Africa since the 1950s. Concurrently, atmospheric concentrations of greenhouse gases and aerosols have increased due to anthropogenic activities. ...

    • Measuring precipitation in Eastern Himalaya: Ground validation of eleven satellite, model and gauge interpolated gridded products 

      Kumar, Manish; Hodnebrog, Øivind; Daloz, Anne Sophie; Sen, Sumit; Badiger, Shrinivas; Krishnaswamy, Jagdish (Journal article; Peer reviewed, 2021)
      Precipitation plays a key role in shaping land surface processes in Himalaya. It is also the most challenging meteorological variable to model in climate change studies due to inadequate ground data. Gridded Precipitation ...

    • MSc: Changes in radiative forcing due to clear-cutting in Sweden; PhD: The role of land-atmosphere interactions on temperature variability and extremes in Fennoscandia 

      Mužić, Iris; Vestin, Patrik; Lindroth, Anders; Mölder, Meelis; Biermann, Tobias; Heliasz, Michal; Rinne, Janne; Berntsen, Terje Koren; Hodnebrog, Øivind; Sillmann, Jana; Yilmaz, Yeliz A. (Poster, 2021)

    • Multi-model simulations of aerosol and ozone radiative forcing due to anthropogenic emission changes during the period 1990-2015 

      Myhre, Gunnar; Aas, Wenche; Cherian, Ribu; Collins, W; Faluvegi, Greg; Flanner, M.; Forster, Piers M.; Hodnebrog, Øivind; Klimont, Zbigniew; Lund, Marianne Tronstad; Mulmenstädt, Johannes; Myhre, Cathrine Lund; Oliviè, Dirk Jan Leo; Prather, Michael J.; Quaas, Johannes; Samset, Bjørn Hallvard; Schnell, Jordan; Schulz, Michael; Shindell, Drew; Skeie, Ragnhild Bieltvedt; Takemura, Toshihiko; Tsyro, Svetlana G. (Peer reviewed; Journal article, 2017)
      Over the past few decades, the geographical distribution of emissions of substances that alter the atmospheric energy balance has changed due to economic growth and air pollution regulations. Here, we show the resulting ...

    • A new halocarbon absorption model based on HITRAN cross-section data and new estimates of halocarbon instantaneous clear-sky radiative forcing 

      Buehler, Stefan A.; Brath, Manfred; Lemke, Oliver; Hodnebrog, Øivind; Pincus, Robert; Eriksson, Patrick; Gordon, Iouli; Larsson, Richard (Peer reviewed; Journal article, 2022)
      The article describes a new practical model for the infrared absorption of chlorofluorocarbons and other gases with dense spectra, based on high-resolution transmission molecular absorption database (HITRAN) absorption ...

    • Precipitation frequency in Med-CORDEX and EURO-CORDEX ensembles from 0.44° to convection-permitting resolution: impact of model resolution and convection representation 

      Ha, Minh T.; Bastin, Sophie; Drobinski, Philippe; Fita, L.; Polcher, J.; Bock, O.; Chiriaco, M.; Belušić, Danijel; Caillaud, Celine; Dobler, Andreas; Fernandez, J.; Goergen, Klaus; Hodnebrog, Øivind; Kartsios, Stergios; Katragkou, Eleni; Lavin-Gullon, Alvaro; Lorenz, Torge; Milovac, Josipa; Panitz, Hans-Jürgen; Sobolowski, Stefan Pieter; Truhetz, Heimo; Warrach-Sagi, Kirsten; Wulfmeyer, Volker (Peer reviewed; Journal article, 2022)
      Recent studies using convection-permitting (CP) climate simulations have demonstrated a step-change in the representation of heavy rainfall and rainfall characteristics (frequency-intensity) compared to coarser resolution ...

    • Scientific data from precipitation driver response model intercomparison project 

      Myhre, Gunnar; Samset, Bjørn Hallvard; Forster, Piers M.; Hodnebrog, Øivind; Sandstad, Marit; Mohr, Christian Wilhelm; Stjern, Camilla Weum; Sillmann, Jana; Andrews, Timothy; Boucher, Olivier; Faluvegi, Gregory; Iversen, Trond; Lamarque, Jean-Francois; Kasoar, Matthew; Kirkevåg, Alf; Kramer, Ryan J.; Liu, Longbo; Mülmenstädt, Johannes; Oliviè, Dirk Jan Leo; Quaas, Johannes; Richardson, Thomas B.; Shawki, Dilshad; Shindell, Drew; Smith, Chris; Stier, Philip; Tang, Tao; Takemura, Toshihiko; Voulgarakis, Apostolos; Watson-Parris, Duncan (Peer reviewed; Journal article, 2022)
      This data descriptor reports the main scientific values from General Circulation Models (GCMs) in the Precipitation Driver and Response Model Intercomparison Project (PDRMIP). The purpose of the GCM simulations has been ...

    • Trends in atmospheric methane concentrations since 1990 were driven and modified by anthropogenic emissions 

      Skeie, Ragnhild Bieltvedt; Hodnebrog, Øivind; Myhre, Gunnar (Peer reviewed; Journal article, 2023)
      The atmospheric methane trend is not fully understood. Here we investigate the role of the main sink, the main natural source, and anthropogenic emissions on the methane growth rate over the last three decades using numerical ...

    • Understanding model diversity in future precipitation projections for South America 

      Hodnebrog, Øivind; Steensen, Birthe Marie Rødssæteren; Marelle-Sebrechts, Louis; Alterskjær, Kari; Dalsøren, Stig Bjørløw; Myhre, Gunnar (Journal article; Peer reviewed, 2021)
      Precipitation patterns are expected to change in the future climate, affecting humans through a number of factors. Global climate models (GCM) are our best tools for projecting large-scale changes in climate, but they ...

    • Urbanization in megacities increases the frequency of extreme precipitation events far more than their intensity 

      Marelle-Sebrechts, Louis; Myhre, Gunnar; Steensen, Birthe Marie Rødssæteren; Hodnebrog, Øivind; Alterskjær, Kari; Sillmann, Jana (Journal article; Peer reviewed, 2020)
      More than half of the world's population lives in urban areas (UN Population Division 2018 The World's cities in 2018 (UN: New York)), which are especially vulnerable to climate extremes (Field et al 2012 Managing the Risks ...