• ENSO teleconnections in terms of non-NAO and NAO atmospheric variability 

      King, Martin Peter; Keenlyside, Noel Sebastian; Li, Camille (Journal article; Peer reviewed, 2023)
      The validity of the long-held understanding or assumption that El Niño-Southern Oscillation (ENSO) has a remote influence on the North Atlantic Oscillation (NAO) in the January–February–March (JFM) months has been questioned ...
    • An Equatorial–Extratropical Dipole Structure of the Atlantic Niño 

      Nnamchi, Hyacinth C; Li, Jianping; Kucharski, Fred; Kang, In-Sik; Keenlyside, Noel; Chang, Ping; Farneti, Riccardo (Peer reviewed; Journal article, 2016)
      Equatorial Atlantic variability is dominated by the Atlantic Niño peaking during the boreal summer. Studies have shown robust links of the Atlantic Niño to fluctuations of the St. Helena subtropical anticyclone and Benguela ...
    • ESD Reviews: Climate feedbacks in the Earth system and prospects for their evaluation 

      Heinze, Christoph; Eyring, Veronika; Friedlingstein, Pierre; Jones, Colin; Balkanski, Yves; Collins, William; Fichefet, Thierry; Gao, Shuang; Hall, Alex; Ivanova, Detelina; Knorr, Wolfgang; Knutti, Reto; Löw, Alexander; Ponater, Michael; Schultz, Martin G.; Schulz, Michael; Siebesma, Pier; Teixeira, Joao; Tselioudis, George; Vancoppenolle, Martin (Peer reviewed; Journal article, 2019)
      Earth system models (ESMs) are key tools for providing climate projections under different scenarios of human-induced forcing. ESMs include a large number of additional processes and feedbacks such as biogeochemical cycles ...
    • Estimating a mean transport velocity in the marginal ice zone using ice-ocean prediction systems 

      Sutherland, Graig; Martins de Aguiar, Victor Cesar; Hole, Lars Robert; Rabault, Jean; Dabboor, Mohammed; Breivik, Øyvind (Journal article; Peer reviewed, 2022)
      Understanding the transport of objects and material in the marginal ice zone (MIZ) is critical for human operations in polar regions. This can be the transport of pollutants, such as spilled oil, or the transport of objects, ...
    • Estimating fin whale distribution from ambient noise spectra using Bayesian inversion 

      Menze, Sebastian (Master thesis, 2015-06-01)
      Passive acoustic monitoring is increasingly used to study the distribution and migration of marine mammals. Marine mammal vocalizations are transient sounds, but the combined sound energy of a population continuously ...
    • Estimating global radiation at ground level from satellite images 

      Dagestad, Knut-Frode (Doctoral thesis, 2005-06-15)
    • Estimation of groundwater storage loss for the Indian Ganga Basin using multiple lines of evidence 

      Janardhanan, Sreekanth; Nair, Akhilesh Sivaraman; Indu, J.; Pagendam, Dan; Kaushika, G.S. (Journal article; Peer reviewed, 2023)
      We used remote sensing data, field observations and numerical groundwater modelling to investigate long-term groundwater storage losses in the regional aquifer of the Ganga Basin in India. This comprised trend analysis for ...
    • Estimation of Ocean Biogeochemical Parameters in an Earth System Model Using the Dual One Step Ahead Smoother: A Twin Experiment 

      Singh, Tarkeshwar; Counillon, Francois Stephane; Tjiputra, Jerry; Wang, Yiguo; Gharamti, Mohamad El (Journal article; Peer reviewed, 2022)
      Ocean biogeochemical (BGC) models utilise a large number of poorly-constrained global parameters to mimic unresolved processes and reproduce the observed complex spatio-temporal patterns. Large model errors stem primarily ...
    • Et dynamisk studium av stormen Narve - et kaldluftsutbrudd i Finnmark - ved hjelp av observasjoner og numeriske simuleringer 

      Samuelsen, Eirik Mikal (Master thesis, 2007)
      Title: "A dynamical study of the storm Narve - a cold air outbreak in Finnmark - with the use of observations and numerical simulations."During the storm Narve in January 2006 strong winds from land were blowing during six ...
    • Eurasian Cooling Linked to the Vertical Distribution of Arctic Warming 

      He, Shengping; Xu, Xinping; Furevik, Tore; Gao, Yongqi (Journal article; Peer reviewed, 2020)
      Observations show that deep Arctic winter warming, extending from surface to mid‐troposphere, has concurred with below‐average temperature over central Eurasia. Modeling studies focusing on the response to Arctic sea ice ...
    • The European Climate Research Alliance (ECRA): Collaboration from bottom-up 

      Hoke, Winfried; Swierczynski, Tina; Braesicke, Peter; Lochte, Karin; Shaffrey, Len; Drews, Martin; Gregow, Hilppa; Ludwig, Ralf; Nilsen, Jan Even Øie; Palazzi, Elisa; Sannino, Gianmaria; Smedsrud, Lars H. (Peer reviewed; Journal article, 2019-01-17)
      The European Climate Research Alliance (ECRA) is an association of leading European research institutions in the field of climate research (http://www.ecra-climate.eu/, last access: 6 December 2018). ECRA is a bottom-up ...
    • The European gravity field and steady-state ocean circulation explorer satellite mission: its impact on geophysics 

      Johannessen, Johnny A.; Balmino, G.; Le Provost, Christian; Rummel, R.; Sabadini, R.; Sünkel, H.; Tscherning, C. C.; Visser, P.; Woodworth, Philip; Hughes, C. W.; Le Grand, Pascal; Sneeuw, N.; Perosanz, F.; Aguirre-Martinez, M.; Rebhan, Helge; Drinkwater, M. R. (Journal article, 2003-07)
      Current knowledge of the Earth’s gravity field and its geoid, as derived from various observing techniques and sources, is incomplete. Within a reasonable time, substantial improvement will come by exploiting new approaches ...
    • Evaluating Impacts of Recent Arctic Sea Ice Loss on the Northern Hemisphere Winter Climate Change 

      Ogawa, Fumiaki; Keenlyside, Noel; Gao, Yongqi; Koenigk, Torben; Yang, Shuting; Suo, Lingling; Wang, Tao; Gastineau, Guillaume; Nakamura, Tetsu; Cheung, Ho Nam; Omrani, Nour-Eddine; Ukita, Jinro; Semenov, Vladimir (Journal article; Peer reviewed, 2018)
      Wide disagreement among individual modeling studies has contributed to a debate on the role of recent sea ice loss in the Arctic amplification of global warming and the Siberian wintertime cooling trend. We perform coordinated ...
    • Evaluating the biological pump efficiency of the Last Glacial Maximum ocean using δ13C 

      Morée, Anne; Schwinger, Jörg; Ninnemann, Ulysses S; Jeltsch-Thommes, Aurich; Bethke, Ingo; Heinze, Christoph (Journal article; Peer reviewed, 2021)
      Although both physical and biological marine changes are required to explain the 100 ppm lower atmospheric pCO2 of the Last Glacial Maximum (LGM, ∼21 ka) as compared to preindustrial (PI) times, their exact contributions ...
    • Evaluating the leeway coefficient of ocean drifters using operational marine environmental prediction systems 

      Sutherland, Graig; Soontiens, Nancy; Davidson, Fraser; Smith, Gregory C.; Bernier, Natacha; Blanken, Hauke; Schillinger, Douglas; Marcotte, Guillaume; Röhrs, Johannes; Dagestad, Knut-Frode; Christensen, Kai Håkon; Breivik, Øyvind (Journal article; Peer reviewed, 2020)
      The water following characteristics of six different drifter types are investigated using two different operational marine environmental prediction systems: one produced by Environment and Climate Change Canada (ECCC) and ...
    • Evaluating two numerical advection schemes in HYCOM for eddy-resolving modelling of the Agulhas Current 

      Backeberg, Bjørn C.; Bertino, Laurent; Johannessen, Johnny A. (Ocean Science, Journal article, 2009-06-02)
      A 4th order advection scheme is applied in a nested eddy-resolving Hybrid Coordinate Ocean Model (HYCOM) of the greater Agulhas Current system for the purpose of testing advanced numerics as a means for improving the model ...
    • Evaluation of a sub-kilometre NWP system in an Arctic fjord-valley system in winter 

      Valkonen, Teresa Maaria; Stoll, Patrick; Batrak, Yurii; Køltzow, Morten Andreas Ødegaard; Schneider, Thea Maria; Stigter, Emmy E.; Aashamar, Ola B.; Støylen, Eivind; Jonassen, Marius Opsanger (Journal article; Peer reviewed, 2020)
      Terrain challenges the prediction of near-surface atmospheric conditions, even in kilometre-scale numerical weather prediction (NWP) models. In this study, the ALADIN-HIRLAM NWP system with 0.5 km horizontal grid spacing ...
    • Evaluation of different wind fields for the investigation of the dynamic response of offshore wind turbines 

      Nybø, Astrid; Nielsen, Finn Gunnar; Reuder, Joachim; Godvik, Marte; Churchfield, Matthew J. (Journal article; Peer reviewed, 2020)
      As the size of offshore wind turbines increases, a realistic representation of the spatiotemporal distribution of the incident wind field becomes crucial for modeling the dynamic response of the turbine. The International ...
    • Evaluation of Gaussian wake models under different atmospheric stability conditions: Comparison with large eddy simulation results 

      Krutova, Maria; Bakhoday Paskyabi, Mostafa; Reuder, Joachim; Nielsen, Finn Gunnar (Journal article; Peer reviewed, 2020)
      The calculation of the velocity deficit in the wake of individual wind turbines is a fundamental part of the wind farm analysis. A good approximation of the wake deficit behind a single wind turbine will improve the power ...
    • Evaluation of ocean dimethylsulfide concentration and emission in CMIP6 models 

      Bock, Josué; Michou, Martine; Nabat, Pierre; Abe, Manabu; Mulcahy, Jane P.; Oliviè, Dirk Jan Leo; Schwinger, Jörg; Suntharalingam, Parvadha; Tjiputra, Jerry; van Hulten, Marco Marinus Peter; Watanabe, Michio; Yool, Andrew; Séférian, Roland (Journal article; Peer reviewed, 2021)
      Characteristics and trends of surface ocean dimethylsulfide (DMS) concentrations and fluxes into the atmosphere of four Earth system models (ESMs: CNRM-ESM2-1, MIROC-ES2L, NorESM2-LM, and UKESM1-0-LL) are analysed over the ...