Now showing items 363-382 of 557

    • A multi-model assessment of the Global Warming Potential of hydrogen 

      Sand, Maria; Skeie, Ragnhild Bieltvedt; Sandstad, Marit; Krishnan, Srinath; Myhre, Gunnar; Bryant, Hannah; Derwent, Richard; Hauglustaine, Didier; Paulot, Fabien; Prather, Michael; Stevenson, David (Peer reviewed; Journal article, 2023)
      With increasing global interest in molecular hydrogen to replace fossil fuels, more attention is being paid to potential leakages of hydrogen into the atmosphere and its environmental consequences. Hydrogen is not directly ...
    • Multi-model effective radiative forcing of the 2020 sulfur cap for shipping 

      Skeie, Ragnhild Bieltvedt; Byrom, Rachael; Hodnebrog, Øivind; Jouan, Caroline; Myhre, Gunnar (Peer reviewed; Journal article, 2024)
      New regulations of sulfur emissions from shipping were introduced in 2020, reducing emissions of SO2 from international shipping by ∼ 80 %. As SO2 is an aerosol precursor, this drop in emissions over the ocean will weaken ...
    • 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 multimodel analysis of post-Glasgow climate targets and feasibility challenges 

      van de Ven, Dirk-Jan; Mittal, Shivika; Gambhir, Ajay; Lamboll, Robin D.; Doukas, Haris; Giarola, Sara; Hawkes, Adam; Koasidis, Konstantinos; Köberle, Alexandre C.; McJeon, Haewon; Perdana, Sigit; Peters, Glen Philip; Rogelj, Joeri; Sognnæs, Ida Andrea Braathen; Vielle, Marc; Nikas, Alexandros (Peer reviewed; Journal article, 2023)
      The COP26 Glasgow process resulted in many countries strengthening their 2030 emissions reduction targets and announcing net-zero pledges for 2050–2070 but it is not clear how this would impact future warming. Here, we use ...
    • “Narrative images” as a learning approach: (transformative) adaptation scenarios for dealing with urban water risks in Hamburg, Germany 

      Hanf, Franziska S.; Meier, Linda; Hawxwell, Tom; Oßenbrügge, Jürgen; Knieling, Jörg; Sillmann, Jana (Peer reviewed; Journal article, 2024)
      In recent years, weather-related extreme events have shown the limits of technical approaches to urban water challenges and highlighted the urgent need to rethink the relationship between cities and water and to see water ...
    • Nasjonale drivkrefter i USAs klimapolitikk 

      Skodvin, Tora; Bang, Guri (Peer reviewed; Journal article, 2014)
      Da Obama overtok som president i 2009, var ett av hovedmålene å styrke amerikansk klimapolitikk. Fem år senere er målet fortsatt ikke blitt realisert. For å forklare denne manglende måloppnåelsen undersøker vi tre forhold: ...
    • Nasjonale drivkrefter i USAs klimapolitikk 

      Skodvin, Tora; Bang, Guri (Peer reviewed; Journal article, 2014)
      Da Obama overtok som president i 2009, var ett av hovedmålene å styrke amerikansk klimapolitikk. Fem år senere er målet fortsatt ikke blitt realisert. For å forklare denne manglende måloppnåelsen undersøker vi tre forhold: ...
    • National contributions to climate change due to historical emissions of carbon dioxide, methane, and nitrous oxide since 1850 

      Jones, Matthew W.; Peters, Glen Philip; Gasser, Thomas; Andrew, Robbie; Schwingshackl, Clemens; Gütschow, Johannes; Houghton, Richard A.; Friedlingstein, Pierre; Pongratz, Julia; Le Quéré, Corinne (Peer reviewed; Journal article, 2023)
      Anthropogenic emissions of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) have made significant contributions to global warming since the pre-industrial period and are therefore targeted in international climate ...
    • National specialization policy versus farmers’ priorities: Balancing subsistence farming and cash cropping in Nepal 

      Holmelin, Nina (Journal article; Peer reviewed, 2021)
      The Nepali Government is currently implementing policies for a radical agricultural transformation into large-scale, mechanized, specialized and commercial farming. However, the peasants prioritize diversified subsistence ...
    • Natural short-lived halogens exert an indirect cooling effect on climate 

      Saiz-Lopez, Alfonso; Fernandez, Rafael P.; Li, Qinyi; Cuevas, Carlos A.; Fu, Xiao; Kinnison, Douglas E.; Tilmes, Simone; Mahajan, Anoop S.; Gómez Martín, Juan Carlos; Iglesias-Suarez, Fernando; Hossaini, Ryan; Plane, John M. C.; Myhre, Gunnar; Lamarque, Jean-François (Peer reviewed; Journal article, 2023)
      Observational evidence shows the ubiquitous presence of ocean-emitted short-lived halogens in the global atmosphere1,2,3. Natural emissions of these chemical compounds have been anthropogenically amplified since pre-industrial ...
    • The need for carbon-emissions-driven climate projections in CMIP7 

      Sanderson, Benjamin; Booth, Ben B. B.; Dunne, John; Eyring, Veronika; Fisher, Rosie; Friedlingstein, Pierre; Gidden, Matthew J.; Hajima, Tomohiro; Jones, Chris D.; Jones, Colin G.; King, Andrew; Koven, Charles D.; Lawrence, David M.; Lowe, Jason; Mengis, Nadine; Peters, Glen Philip; Rogelj, Joeri; Smith, Chris; Snyder, Abigail C.; Simpson, Isla R.; Swann, Abigail L. S.; Tebaldi, Claudia; Ilyina, Tatiana; Schleussner, Carl-Friedrich; Séférian, Roland; Samset, Bjørn Hallvard; Van Vuuren, Detlef; Zaehle, Sönke (Peer reviewed, 2024)
      Previous phases of the Coupled Model Intercomparison Project (CMIP) have primarily focused on simulations driven by atmospheric concentrations of greenhouse gases (GHGs), for both idealized model experiments and climate ...
    • Neglected implications of land-use and land-cover changes on the climate-health nexus 

      Orlov, Anton; Aunan, Kristin; Mistry, Malcolm N; Lejeune, Quentin; Pongratz, Julia; Thiery, Wim; Gasparrini, Antonio; Reed, Eilif Ursin; Schleussner, Carl-Friedrich (Peer reviewed; Journal article, 2023)
      Climate change can substantially affect temperature-related mortality and morbidity, especially under high greenhouse gas emission pathways. Achieving the Paris Agreement goals require not only drastic reductions in fossil ...
    • Net Zero: Science, Origins, and Implications 

      Allen, Myles R.; Friedlingstein, Pierre; Girardin, Cécile A.J.; Jenkins, Stuart; Malhi, Yadvinder; Mitchell-Larson, Eli; Peters, Glen Philip; Rajamani, Lavanya (Peer reviewed; Journal article, 2022)
      This review explains the science behind the drive for global net zero emissions and why this is needed to halt the ongoing rise in global temperatures. We document how the concept of net zero carbon dioxide (CO2) emissions ...
    • 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 ...
    • No constraint on long-term tropical land carbon-climate feedback uncertainties from interannual variability 

      Liu, Laibao; Fisher, Rosie; Douville, Hervé; Padrón, Ryan S.; Berg, Alexis; Mao, Jiafu; Alessandri, Andrea; Kim, Hyungjun; Seneviratne, Sonia I. (Peer reviewed; Journal article, 2024)
      Unraveling drivers of the interannual variability of tropical land carbon cycle is critical for understanding land carbon-climate feedbacks. Here we utilize two generations of factorial model experiments to show that ...
    • Norwegian mayoral awareness of and attitudes towards climate change 

      Orderud, Geir; Kelman, Ilan (Peer reviewed; Journal article, 2011)
      The willingness of local politicians to implement measures for curbing greenhouse gas emissions and to adapt to emerging conditions is essential for successful climate change policies. This article reports findings from a ...
    • Numerical simulation and evaluation of global ultrafine particle concentrations at the Earth's surface 

      Kohl, Matthias; Lelieveld, Jos; Chowdhury, Sourangsu; Ehrhart, Sebastian; Sharma, Disha; Cheng, Yafang; Tripathi, Sachchida Nand; Sebastian, Mathew; Pandithurai, Govindan; Wang, Hongli; Pozzer, Andrea (Peer reviewed; Journal article, 2023)
      A new global dataset of annually averaged ultrafine particle (UFP) concentrations at the Earth's surface for the years 2015–2017 has been developed through numerical simulations using the ECHAM/MESSy Atmospheric Chemistry ...
    • Nutrient Dynamics in a Coupled Terrestrial Biosphere and Land Model (ELM-FATES-CNP) 

      Knox, Ryan G.; Koven, Charles D.; Riley, William J.; Walker, Anthony P.; Wright, S. Joseph; Holm, Jennifer A.; Wei, Xinyuan; Fisher, Rosie; Zhu, Qing; Tang, Jinyun; Ricciuto, Daniel M.; Shuman, Jacquelyn K.; Yang, Xiaojuan; Kueppers, Lara M.; Chambers, Jeffrey Q. (Peer reviewed; Journal article, 2024)
      We present a representation of nitrogen and phosphorus cycling in the Functionally Assembled Terrestrial Ecosystem Simulator, a demographic vegetation model within the Energy Exascale Earth System land model. This ...
    • Observational Evidence of Increasing Global Radiative Forcing 

      Kramer, Ryan J.; He, Haozhe; Soden, Brian J.; Oreopoulos, Lazaros; Myhre, Gunnar; Forster, Piers M.; Smith, Christopher J. (Journal article; Peer reviewed, 2021)
      Changes in atmospheric composition, such as increasing greenhouse gases, cause an initial radiative imbalance to the climate system, quantified as the instantaneous radiative forcing. This fundamental metric has not been ...
    • Observationally constrained analysis of sulfur cycle in the marine atmosphere with NASA ATom measurements and AeroCom model simulations 

      Bian, Huisheng; Chin, Mian; Colarco, Peter R.; Apel, Eric C.; Blake, Donald R.; Froyd, Karl; Hornbrook, Rebecca S.; Jimenez, Jose; Jost, Pedro Campuzano; Lawler, Michael; Liu, Mingxu; Lund, Marianne Tronstad; Matsui, Hitoshi; Nault, Benjamin A.; Penner, Joyce E.; Rollins, Andrew W.; Schill, Gregory; Skeie, Ragnhild Bieltvedt; Wang, Hailong; Xu, Lu; Zhang, Kai; Zhu, Jialei (Peer reviewed; Journal article, 2024)
      The atmospheric sulfur cycle plays a key role in air quality, climate, and ecosystems, such as pollution, radiative forcing, new particle formation, and acid rain. In this study, we compare the spatially and temporally ...