• Afforestation affects rain-on-snow climatology over Norway 

      Mooney, Priscilla A.; Lee, Hanna (Peer reviewed; Journal article, 2022)
      Rain-on-snow (ROS) events are most commonly found in sub-polar and alpine climates where they pose a considerable threat to society and nature. While the relationship between ROS frequency and large-scale climate features ...
    • Carbon cycle feedbacks in an idealized simulation and a scenario simulation of negative emissions in CMIP6 Earth system models 

      Asaadi, Ali; Schwinger, Jörg; Lee, Hanna; Tjiputra, Jerry; Arora, Vivek K.; Séférian, Roland; Liddicoat, Spencer; Hajima, Tomohiro; Santana-Falcòn, Yeray; Jones, Chris D. (Peer reviewed; Journal article, 2024)
      Limiting global warming to well below 2 ∘C by the end of the century is an ambitious target that requires immediate and unprecedented emission reductions. In the absence of sufficient near-term mitigation, this target will ...
    • Consequences of permafrost degradation for Arctic infrastructure - Bridging the model gap between regional and engineering scales 

      Schneider Von Deimling, Thomas; Lee, Hanna; Ingeman-Nielsen, Thomas; Westermann, Sebastian; Romanovsky, Vladimir; Lamoureux, Scott; Walker, Donald A.; Chadburn, Sarah E.; Trochim, Erin; Cai, Lei; Nitzbon, Jan; Jacobi, Stephan; Langer, Moritz (Journal article; Peer reviewed, 2021)
      Infrastructure built on perennially frozen ice-rich ground relies heavily on thermally stable subsurface conditions. Climate-warming-induced deepening of ground thaw puts such infrastructure at risk of failure. For better ...
    • Emit now, mitigate later? Earth system reversibility under overshoots of different magnitudes and durations 

      Schwinger, Jörg; Asaadi, Ali; Steinert, Norman; Lee, Hanna (Peer reviewed; Journal article, 2022)
      Anthropogenic CO2 emissions cause irreversible climate change on centennial to millennial timescales, yet current mitigation efforts are insufficient to limit global warming to a level that is considered safe. Carbon dioxide ...
    • Explaining landscape preference heterogeneity using machine learning-based survey analysis 

      Liu, Xiaozi; Tvinnereim, Endre; Grimsrud, Kristine; Lindhjem, Henrik; Velle, Liv Guri; Saure, Heidi Iren; Lee, Hanna (Peer reviewed; Journal article, 2021)
      We conducted a national survey on a high-quality internet panel to study landscape preferences in Norway, using photos as stimuli. We examined preference heterogeneity with respect to socio-demographic characteristics and ...
    • The handbook for standardized field and laboratory measurements in terrestrial climate change experiments and observational studies (ClimEx) 

      Halbritter Rechsteiner, Aud Helen; De Boeck, Hans J.; Eycott, Amy Elizabeth; Reinsch, Sabine; Robinson, David A.; Vicca, Sara; Berauer, Bernd; Christiansen, Casper Tai; Estiarte, Marc; Grünzweig, José M.; Gya, Ragnhild; Hansen, Karin; Jentsch, Anke; Lee, Hanna; Linder, Sune; Marshall, John; Peñuelas, Josep; Schmidt, Inger Kappel; Stuart-Haëntjens, Ellen; Wilfahrt, Peter; Vandvik, Vigdis; Abrantes, Nelson; Almagro, María; Althuizen, Inge; Barrio, Isabel C.; te Beest, Mariska; Beier, Claus; Beil, Iilka; Berry, Z. Carter; Birkemoe, Tone; Bjerke, Jarle W.; Blonder, Benjamin; Blume-Werry, Gesche; Bohrer, Gil; Campos, Isabel; Cernusak, Lucas S.; Chojnicki, Bogdan H.; Cosby, Bernhard J.; Dickman, Lee T.; Djukic, Ika; Filella, Iolanda; Fuchslueger, Lucia; Gargallo-Garriga, Albert; Gillespie, Mark Andrew; Goldsmith, Gregory R.; Gough, Christopher; Halliday, Fletcher W.; Hegland, Stein Joar; Hoch, Gunter; Holub, Petr; Jaroszynska, Francesca Orinda Holl; Johnson, Daniel M.; Jones, Scott B.; Kardol, Paul; Keizer, Jan J.; Klem, Karel; Konestabo, Heidi Sjursen; Kreyling, Jürgen; Kröel-Dulay, György; Landhäusser, Simon M.; Larsen, Klaus S.; Leblans, Niki; Lebron, Inma; Lehmann, Marco M.; Lembrechts, Jonas J.; Lenz, Armando; Linstädter, Anja; Llusià, Joan; Macias-Fauria, Marc; Malyshev, Andrey V.; Mänd, Pille; Marshall, Miles; Matheny, Ashley M.; McDowell, Nate; Meier, Ina C.; Meinzer, Frederick C.; Michaletz, Sean T.; Miller, Megan L.; Muffler, Lena; Oravec, Michal; Ostonen, Ivika; Porcar-Castell, Albert; Preece, Catherine; Prentice, Iain C.; Radujković, Dajana; Ravolainen, Virve; Ribbons, Relena; Ruppert, Jan C.; Sack, Lawren; Sardans, Jordi; Schindlbacher, Andreas; Scoffoni, Christine; Sigurdsson, Bjarni D.; Smart, Simon M; Smith, Stuart; Soper, Fiona; Speed, James David Mervyn; Sverdrup-Thygeson, Anne; Sydenham, Markus A. K.; Taghizadeh-Toosi, Arezoo; Telford, Richard J.; Tielborger, Katja; Töpper, Joachim Paul; Urban, Otmar; van der Ploeg, Martine; Van Langenhove, Leandro; Večeřová, Kristýna; Ven, Arne; Verbruggen, Erik; Vik, Unni; Weigel, Robert; Wohlgemuth, Thomas; Wood, Lauren K.; Zinnert, Julie; Zurba, Kamal (Peer reviewed; Journal article, 2019)
      1. Climate change is a world-wide threat to biodiversity and ecosystem structure, functioning and services. To understand the underlying drivers and mechanisms, and to predict the consequences for nature and people, we ...
    • 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 ...
    • Plant phenology evaluation of CRESCENDO land surface models-Part 1: Start and end of the growing season 

      Peano, Daniele; Hemming, Deborah; Materia, Stefano; Delire, Christine; Fan, Yuanchao; Joetzjer, Emilie; Lee, Hanna; Nabel, Julia; Park, Taejin; Peylin, Philippe; Wärlind, David; Wiltshire, Andy; Zaehle, Sönke (Peer reviewed; Journal article, 2021)
      Plant phenology plays a fundamental role in land–atmosphere interactions, and its variability and variations are an indicator of climate and environmental changes. For this reason, current land surface models include ...
    • Possibility for strong northern hemisphere high-latitude cooling under negative emissions 

      Schwinger, Jörg; Asaadi, Ali; Goris, Nadine; Lee, Hanna (Peer reviewed; Journal article, 2022)
      It is well established that a collapse or strong reduction of the Atlantic meridional overturning circulation (AMOC) would substantially cool the northern high latitudes. Here we show that there is a possibility that such ...
    • 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 ...
    • Standardized monitoring of permafrost thaw: a user-friendly, multi-parameter protocol 

      Boike, Julia; Chadburn, Sarah; Martin, Julia; Zwieback, Simon; Althuizen, Inge; Anselm, Norbert; Cai, Lei; Coulombe, Stephanie; Lee, Hanna; Liljedahl, Anne K.; Schneebeli, Martin; Sjoberg, Ylva; Smith, Noah; Smith, Sharon l.; Streletskiy, Dmitry A.; Stuenzi, Simone Maria; Westermann, Sebastian; Wilcox, Evan James (Peer reviewed; Journal article, 2021)
      Climate change is destabilizing permafrost landscapes, affecting infrastructure, ecosystems and human livelihoods. The rate of permafrost thaw is controlled by surface and subsurface properties and processes, all of which ...
    • Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model 

      Aas, Kjetil Schanke; Martin, Leo Celestin Paul; Nitzbon, Jan; Langer, Moritz; Boike, Julia; Lee, Hanna; Berntsen, Terje Koren; Westermann, Sebastian (Peer reviewed; Journal article, 2019)
      Earth system models (ESMs) are our primary tool for projecting future climate change, but their ability to represent small-scale land surface processes is currently limited. This is especially true for permafrost landscapes ...
    • The response of terrestrial ecosystem carbon cycling under different aerosol-based radiation management geoengineering 

      Lee, Hanna; Muri, Helene; Ekici, Altug; Tjiputra, Jerry; Schwinger, Jörg (Peer reviewed; Journal article, 2021)
      Geoengineering has been discussed as a potential option to offset the global impacts of anthropogenic climate change and at the same time reach the global temperature targets of the Paris Agreement. Before any implementation ...