Blar i NILU Brage på forfatter "Orsolini, Yvan"
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Arctic moisture source for Eurasian snow cover variations in autumn
Wegmann, Martin; Orsolini, Yvan; Vázquez, Marta; Gimeno, Luis; Nieto, Raquel; Bulygina, Olga N.; Jaiser, Ralf; Handorf, Dörthe; Rinke, Anette; Dethloff, Klaus; Sterin, Alexander; Brönnimann, Stefan (Journal article; Peer reviewed, 2015) -
Atlantic Multidecadal Oscillation modulates the impacts of Arctic sea ice decline
Li, Fei; Orsolini, Yvan; Wang, Huijun; Gao, Yongqi; He, Shengping (Journal article; Peer reviewed, 2018) -
Atmospheric Ozone and Methane in a Changing Climate
Isaksen, Ivar S A; Berntsen, Terje Koren; Dalsøren, Stig Bjørløw; Eleftheratos, K.; Orsolini, Yvan; Rognerud, Bjørg; Stordal, Frode; Søvde, Ole Amund; Zerefos, C; Holmes, Chris D. (Journal article; Peer reviewed, 2014) -
Direct and indirect electron precipitation effect on nitric oxide in the polar middle atmosphere, using a full-range energy spectrum
Smith-Johnsen, Christine; Tyssøy, Hilde Nesse; Hendrickx, Koen; Orsolini, Yvan; Kishore Kumar, Grandhi; Ødegaard, Linn-Kristine Glesnes; Sandanger, Marit Irene J.; Stordal, Frode; Megner, Linda (Journal article; Peer reviewed, 2017) -
Duration and decay of Arctic stratospheric vortex events in the ECMWF seasonal forecast model
Orsolini, Yvan; Nishii, Kazuaki; Nakamura, Hisashi (Journal article; Peer reviewed, 2018) -
Eurasian snow depth in long-term climate reanalyses
Wegmann, Martin; Orsolini, Yvan; Dutra, Emanuel; Bulygina, Olga; Sterin, Alexander; Brönnimann, Stefan (Journal article; Peer reviewed, 2017) -
Evaluation of snow depth and snow cover over the Tibetan Plateau in global reanalyses using in situ and satellite remote sensing observations
Orsolini, Yvan; Wegmann, Martin; Dutra, Emanuel; Liu, Boqi; Balsamo, Gianpaolo; Yang, Kun; de Rosnay, Patricia; Zhu, Congwen; Wang, Wenli; Senan, Retish; Arduini, Gabriele (Journal article; Peer reviewed, 2019)The Tibetan Plateau (TP) region, often referred to as the Third Pole, is the world's highest plateau and exerts a considerable influence on regional and global climate. The state of the snowpack over the TP is a major ... -
Impact of Arctic sea ice variations on winter temperature anomalies in northern hemispheric land areas
Köenigk, Torben; Gao, Yongqi; Gastineau, Guillaume; Keenlyside, Noel; Nakamura, Tetsu; Ogawa, Fumiaki; Orsolini, Yvan; Semenov, Vladimir A.; Suo, Lingling; Tian, Tian; Wang, Tao; Wettstein, Justin; Yang, Shuting (Journal article; Peer reviewed, 2018) -
Impact of late spring Siberian snow on summer rainfall in South-Central China
Shen, Haibo; Li, Fei; He, Shengping; Orsolini, Yvan; Li, Jingyi (Peer reviewed; Journal article, 2020)Located in the Yangtze River Valley and surrounded by mountains, South-Central China (SCC) frequently suffered from natural disasters such as torrential precipitation, landslide and debris flow. Here we provide corroborative ... -
Impact of Snow Initialization in Subseasonal‐to‐Seasonal Winter Forecasts With the Norwegian Climate Prediction Model
Li, Fei; Orsolini, Yvan; Keenlyside, Noel; Shen, Mao-Lin; Counillon, Francois; Wang, Yiguo (Journal article; Peer reviewed, 2019)Snow initialization has been previously investigated as a potential source of predictability atthe subseasonal‐to‐seasonal (S2S) timescale in winter and spring, through its local radiative,thermodynamical, and hydrological ... -
Impact of springtime Himalayan-Tibetan Plateau snowpack on the onset of the Indian summer monsoon in coupled seasonal forecasts
Senan, Retish; Orsolini, Yvan; Weisheimer, Antje; Vitart, Frédéric; Balsamo, Gianpaolo; Stockdale, Timothy N.; Dutra, Emanuel; Doblas-Reyes, Franscisco J.; Basang, Droma (Journal article; Peer reviewed, 2016) -
Impacts of UV irradiance and medium-energy electron precipitation on the North Atlantic oscillation during the 11-year solar cycle
Guttu, Sigmund; Orsolini, Yvan; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine; Tartaglione, Nazario; Verronen, Pekka T.; Rodger, Craig J.; Clilverd, Mark A. (Peer reviewed; Journal article, 2021)Observational studies suggest that part of the North Atlantic Oscillation (NAO) variability may be attributed to the spectral ultra-violet (UV) irradiance variations associated to the 11-year solar cycle. The observed ... -
Mesospheric nitric acid enhancements during energetic electron precipitation events simulated by WACCM‐D
Orsolini, Yvan; Smith-Johnsen, Christine; Marsh, Daniel R.; Stordal, Frode; Rodger, Craig J.; Verronen, Pekka T.; Clilverd, Mark A. (Journal article; Peer reviewed, 2018) -
Modelling the descent of nitric oxide during the elevated stratopause event of January 2013
Orsolini, Yvan; Limpasuvan, Varavut; Pérot, Kristell; Espy, Patrick Joseph; Hibbins, Robert; Lossow, Stefan; Raaholt Larsson, Katarina; Murtagh, Donal (Journal article; Peer reviewed, 2017) -
Modulation of the Aleutian–Icelandic low seesaw and its surface impacts by the Atlantic Multidecadal Oscillation
Li, Fei; Orsolini, Yvan; Wang, Huijun; Gao, Yongqi; He, Shengping (Journal article; Peer reviewed, 2018) -
Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2011.
Svendby, Tove Marit; Myhre, Cathrine Lund; Stebel, Kerstin; Edvardsen, Kåre; Orsolini, Yvan; Dahlback, Arne (NILU OR;29/2012, Research report, 2012)This is an annual report describing the activities and main results of the monitoring programme 'Monitoring of the atmospheric ozone layer and natural ultraviolet radiation' for 2011. 2011 was a year with generally low ... -
Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2012.
Svendby, Tove Marit; Edvardsen, Kåre; Myhre, Cathrine Lund; Stebel, Kerstin; Orsolini, Yvan; Dahlback, Arne (NILU OR;34/2013, Research report, 2013)This is an annual report describing the activities and main results of the monitoring programme "Monitoring of the atmospheric ozone layer and natural ultraviolet radiation" for 2012. In 2012 the ozone values above Norway ... -
Nighttime mesospheric ozone enhancements during the 2002 southern hemispheric major stratospheric warming
Smith-Johnsen, Christine; Orsolini, Yvan; Stordal, Frode; Limpasuvan, Varavut; Pérot, Kristell (Journal article; Peer reviewed, 2018) -
Nitric Oxide Response to the April 2010 Electron Precipitation Event: Using WACCM and WACCM‐D With and Without Medium‐Energy Electrons
Smith-Johnsen, Christine; Marsh, Daniel R.; Orsolini, Yvan; Tyssøy, Hilde Nesse; Hendrickx, Koen; Sandanger, Marit Irene J.; Ødegaard, Linn-Kristine Glesnes; Stordal, Frode (Journal article; Peer reviewed, 2018)Energetic electrons from the magnetosphere deposit their energy in the atmosphere and lead to production of nitric oxide (NO) in the mesosphere and lower thermosphere. We study the atmospheric NO response to a geomagnetic ... -
A note on the statistical evidence for an influence of geomagnetic activity on Northern Hemisphere seasonal-mean stratospheric temperatures using the Japanese 55-year Reanalysis
Tartaglione, Nazario; Toniazzo, Thomas; Orsolini, Yvan; Otterå, Odd Helge (Peer reviewed; Journal article, 2020)We employ JRA-55 (Japanese 55-year Reanalysis), a recent second-generation global reanalysis providing data of high quality in the stratosphere, to examine whether a distinguishable effect of geomagnetic activity on Northern ...