Yvan Joseph Orsolini

Relative impacts of sea ice loss and atmospheric internal variability on winter Arctic to East Asian surface air temperature based on large-ensemble simulations with NorESM2

He, Shengping; Drange, Helge; Furevik, Tore; Wang, Hui-Jun; Fan, Ke; Graff, Lise Seland; Orsolini, Yvan Joseph Georges Emile G.

The Impacts of Third Pole Snow Assimilation on Seasonal Meteorology Predictions

Li, Wei; Li, Lu; Jie, Chen; Orsolini, Yvan Joseph Georges Emile G.; de Rosnay, Patricia; Senan, Retish

Tidal Amplification in the Lower Thermosphere during the 2003 October-November Solar Storms

Zhang, Jiarong; Orsolini, Yvan Joseph Georges Emile G.; Limpasuvan, Varavut; Liu, H.; Oberheide, Jens

Abrupt Change in the Lower Thermospheric Mean Meridional Circulation During Sudden Stratospheric Warmings

Orsolini, Yvan Joseph Georges Emile G.; Limpasuvan, Varavut; Zhang, Jiarong

Energetic Particle Precipitation reflected in the Global Secondary Ozone Distribution

Jia, Jia; Murberg, Lise Eder; Løvset, Tiril; Orsolini, Yvan Joseph Georges Emile G.; Espy, Patrick Joseph; Salinas, Jude; Lee, Jae N.; Wu, Dong; Zhang, Jiarong

Impact of the Pacific sector sea ice loss on the sudden stratospheric warming characteristics

Orsolini, Yvan Joseph Georges Emile G.

The Composite Response of Traveling Planetary Waves in the Middle Atmosphere Surrounding Sudden Stratospheric Warmings through an Overreflection Perspective

Rhodes, Christian Todd; Limpasuvan, Varavut; Orsolini, Yvan Joseph Georges Emile G.

Summarizing the research of the MADEIRA project – Middle atmosphere dynamics: exploiting infrasound using a multidisciplinary approach at high latitudes

Näsholm, Sven Peter; Amezcua, Javier; Assink, Jelle D.; Belova, Evgenia; Blixt, Mårten; Brissaud, Quentin; Eggen, Mari Dahl; Espy, Patrick Joseph; Hibbins, Robert Edward; Kero, Johan; Kværna, Tormod; Le Pichon, Alexis; Orsolini, Yvan Joseph Georges Emile G.; Vera Rodriguez, Ismael; Turquet, Antoine Leo; Vorobeva, Ekaterina

Impact of the Pacific sector sea ice loss on the sudden stratospheric warming characteristics

Zhang, Jiarong; Orsolini, Yvan Joseph Georges Emile G.; Limpasuvan, Varavut

Abrupt Change in the Lower Thermospheric Mean Meridional Circulation during Sudden Stratospheric Warmings and its Impact on Trace Species

Orsolini, Yvan Joseph Georges Emile G.; Zhang, Jiarong; Limpasuvan, Varavut

Total ozone trends at three northern high-latitude stations

Bernet, Leonie; Svendby, Tove Marit; Hansen, Georg Heinrich; Orsolini, Yvan; Dahlback, Arne; Goutail, Florence; Pazmino, Andrea; Petkov, Boyan; Kylling, Arve

Abrupt Change in the Lower Thermospheric Mean Meridional Circulation during Sudden Stratospheric Warmings and its Impact on Trace Species

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut

Abrupt Change in the Lower Thermospheric Mean Meridional Circulation During Sudden Stratospheric Warmings and Its Impact on Trace Species

Orsolini, Yvan J.; Zhang, Jiarong; Limpasuvan, Varavut

Impact of the Pacific sector sea ice loss on the sudden stratospheric warming characteristics

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut; Ukita, Jinro

Some key challenges for subseasonal to decadal prediction research

Merryfield, William J.; Baehr, Johanna; Batté, Lauriane; Beraki, Asmerom; Hermanson, Leon; Hudson, Debra; Johnson, Stephanie; Lee, June-Yi; Massonet, François; Muñoz, Ángel; Orsolini, Yvan J.; Ren, Hong-Li; Saurral, Ramiro; Smith, Doug; Takaya, Yuhei; Raghavan, Krishnan

Impact of the Pacific Sector Sea Ice Loss on the Sudden Stratospheric Warmings Characteristics

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut

On the Sea Ice Loss over the Bering-Chukchi Sea and Sudden Stratospheric Warmings during the Easterly Phase of the Quasi-Biennial Oscillation

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut

The 11 year solar cycle UV irradiance effect and its dependency on the Pacific Decadal Oscillation

Orsolini, Yvan J.; Guttu, Sigmund; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine

On the Sea Ice Loss over the Bering-Chukchi Sea and Sudden Stratospheric Warmings during the Easterly Phase of the Quasi-Biennial Oscillation

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut

Elevated stratopause events in the current and a future climate: A chemistry-climate model study

Scheffler, Janice; Ayarzagüena, Blanca; Orsolini, Yvan J.; Langematz, Ulrike

Validation of Smiles HCl Profiles Over a Wide Range from the Stratosphere to the Lower Thermosphere

Nara, Seidai; Sato, Tomohiro O.; Yamada, Takayoshi; Froidevaux, Lucien; Livesey, Nathaniel J.; Walker, Kaley A.; Schreier, Franz; Xu, Jian; Orsolini, Yvan J.; Limpasuvan, Varavut; Kuno, Nario; Kasai, Yasuko

The 11 year solar cycle UV irradiance effect and its dependency on the Pacific Decadal Oscillation

Guttu, Sigmund; Orsolini, Yvan J.; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine

Eastward-propagating planetary waves prior to the January 2009 sudden stratospheric warming

Rhodes, Christian Todd; Limpasuvan, Varavut; Orsolini, Yvan J.

Forecast skill of autumn snow for European winter climate during the 20th century: A multi member seasonal prediction experiment

Wegmann, Martin; Orsolini, Yvan J.; Weisheimer, Antje; van den Hurk, Bart; Lohmann, Gerrit

Impact of the major SSWs of February 2018 and January 2019 on the middle atmospheric nitric oxide abundance

Pérot, Kristell; Orsolini, Yvan J.

Impact of Medium-Energy Electron Precipitation on the Middle Atmosphere and on Climate in Decadal Simulations

Orsolini, Yvan J.; Guttu, Sigmund; Stordal, Frode

Observation of the EPP indirect effect by Odin/SMR following the two latest northern SSW events

Pérot, Kristell; Orsolini, Yvan J.

The Atlantic Multidecadal Variability phase-dependence of teleconnection between the North Atlantic Oscillation in February and the Tibetan Plateau in March

Li, Jingyi; Li, Fei; He, Shengping; Wang, Huijun; Orsolini, Yvan J.

Validation of SMILES HCl profiles over a wide range from the stratosphere to the lower thermosphere

Nara, Seidai; Sato, Tomohiro O.; Yamada, Takayoshi; Fujinawa, Tamaki; Kuribayashi, Kota; Manabe, Takeshi; Froidevaux, Lucien; Livesey, Nathaniel J.; Walker, Kaley A.; Xu, Jian; Schreier, Franz; Orsolini, Yvan J.; Limpasuvan, Varavut; Kuno, Nario; Kasai, Yasuko

Arctic sea-ice loss intensifies aerosol transport to the Tibetan Plateau

Li, Fei; Wan, Xin; Wang, Huijun; Orsolini, Yvan J.; Cong, Zhiyuan; Gao, Yongqi; Kang, Shichang

Impact of solar irradiance and geomagnetic activity on polar NOx, ozone and temperature in WACCM simulations

Tartaglione, N.; Toniazzo, T.; Orsolini, Y.; Otterå, O.H.

Impact of Medium-Energy Electron Precipitation on Ozone and Middle Atmosphere Dynamics in WACCM Simulations

Guttu, Sigmund; Orsolini, Yvan J.; Stordal, Frode; Limpasuvan, Varavut; Marsh, Daniel R.

Solar Impact on Climate through Energetic Particle Precipitation

Orsolini, Yvan J.

Subseasonal-to-seasonal Winter Forecasts with the Norwegian Climate Prediction Model: Role of Snow-Atmosphere Coupling at High Latitudes

Orsolini, Yvan J.; Li, Fei; Keenlyside, Noel; Shen, Mao-Lin; Counillon, Francois; Wang, G.

Effects of the 11-year Solar Cycle including Medium-Energy Electron Precipitation in WACCM decadal climate predictions

Guttu, Sigmund; Orsolini, Yvan; Stordal, Frode; Otterå, Odd Helge; Toniazzo, Thomas; Verronen, Pekka T.

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

Slow Eastward-Propagating Planetary Waves Prior to Sudden Stratospheric Warmings

Rhodes, C. Todd; Limpasuvan, Varavut; Orsolini, Yvan

Observations of microbarom-generated infrasound in Northern Norway during three different sudden stratospheric warmings

Näsholm, Sven Peter; Assink, Jelle; Blixt, Erik Mårten; De Carlo, Marine; Evers, Läslo Gerardus; Gibbons, Steven John; Kero, Johan; Le Pichon, Alexis; Orsolini, Yvan; den Ouden, Oliver F. C.; Smets, Pieter S

Impact of Snow Initialization in Subseasonal-to-Seasonal (S2S) Winter Forecasts with the Norwegian Climate Prediction Model

Li, Fei; Orsolini, Yvan; Keenlyside, Noel; Shen, Mao-Lin; Counillon, Francois; Wang, Yiguo

Impact of Northern Pacific Sea Ice Loss on Global Climate Dynamics during the Westward Quasi-Biennial Oscillation (QBO) Phase

Greaser, Samantha; Zhang, Jiarong; Limpasuvan, Var; Orsolini, Yvan

Semidiurnal Tidal Perturbations During SSW in SuperDARN and WACCM

Limpasuvan, Varavut; Orsolini, Yvan; Espy, Patrick Joseph; Hibbins, Robert

Impact of Medium-energy Electron Precipitation on Ozone and Middle Atmosphere Dynamics in WACCM Simulations

Orsolini, Yvan; Guttu, Sigmund; Stordal, Frode; Limpasuvan, Varavut

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

Influence of December snow cover over North America on January surface air temperature over the midlatitude Asia

Li, Jingyi; Li, Fei; He, Shengping; Wang, Huijun; Orsolini, Yvan

Polar Stratospheric Vortex Variability in the ECMWF Seasonal Forecast Model

Orsolini, Yvan; Nishii, K.; Nakamura, H.

Impact of snow cover data assimilation over the Tibetan Plateau on medium range Numerical weather prediction

de Rosnay, P.; Balsamo, G.; Orsolini, Yvan; Dutra, E.; Liu, B.; Senan, R.; Wang, W.; Wegmann, Martin; Yang, K.; Zhu, C.

Study of Energetic Particle Precipitation Effects, based on 15 Years of NO Observations by Odin/SMR

Pérot, K.; Orsolini, Yvan; Grieco, F.; Murtagh, D.

Impact of snow initialization on subseasonal-to-seasonal forecasts

Orsolini, Yvan

Impact of a changing cryosphere on the atmospheric circulation at mid and high latitudes

Orsolini, Yvan

Impact of a changing cryosphere on the atmospheric circulation at mid and high latitudes

Orsolini, Yvan

Impact of snow initialisation in subseasonal-to-seasonal winter forecasts with the Norwegian Climate Prediction Model

Li, Fei; Orsolini, Yvan; Keenlyside, Noel; Shen, Mao-Lin; Wang, Yiguo; Counillon, Francois

SuperDARN observations of semidiurnal tidal variability in the MLT and the response to sudden stratospheric warming events

Hibbins, Robert; Espy, Patrick Joseph; Orsolini, Yvan; Limpasuvan, Varavut; Barnes, Robin J.

Extreme stratospheric vortex events in the ECMWF seasonal forecast model with re-analyses

Orsolini, Yvan

Duration and decay of Arctic stratospheric vortex events in the ECMWF seasonal forecast model

Orsolini, Yvan; Nishii, Kazuaki; Nakamura, Hisashi

Chemical impacts of energetic particle precipitation in the polar mesosphere-lower thermosphere

Orsolini, Yvan

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

Impact of the solar and geomagnetic activity on atmospheric variables: A study with WACCM.

Tartaglione, Nazario; Orsolini, Yvan; Otterå, Odd Helge; Toniazzo, Thomas

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

Duration and decay of extreme vortex events in the polar stratosphere: comparison of the ECMWF seasonal forecast model with re-analyses

Orsolini, Yvan

Polarized response of East Asian winter temperature extremes in the era of Arctic warming

Ma, Shuangmei; Zhu, Congwen; Liu, Boqi; Zhou, Tianjun; Ding, Yihui; Orsolini, Yvan

Chemical impacts of energetic particle precipitation in the middle atmosphere

Orsolini, Yvan; Smith-Johnsen, Christine; Marsh, Dan; Stordal, Frode

Evaluating impacts of the Arctic sea ice loss and variation on the northern hemisphere climate

Koenigk, Torben; Gao, Yongqi; Gastineau, Guillaume; Keenlyside, Noel; Nakamura, Tetsu; Ogawa, Fumiaki; Orsolini, Yvan; Semenov, Vladimir; Suo, Lingling; Tian, Tian; Wang, Tao; Wettstein, Jonathan J.; Yang, Shuting

Atlantic multidecadal oscillation modulates the impacts of Arctic sea ice decline

Li, Fei; Orsolini, Yvan; Wang, Huijun; Gao, Yongqi; He, Shengping

Nighttime mesospheric ozone enhancements during the 2002 southern hemispheric major stratospheric warming

Smith-Johnsen, Christine; Orsolini, Yvan; Stordal, Frode; Limpasuvan, Varavut; Pérot, Kristell

Direct and indirect electron precipitation effect on nitric oxide during the April 2010 electron precipitation events, Part 1: Observations, Part 2: WACCM.

Tyssøy, H. N.; Smith-Johnsen, C.; Orsolini, Y.; Marsh, D. R.; Hendrickx, K.; Sandanger, M. I. J.; Ødegaard, L.-K. G.; Kishore Kumar, G.; Stordal, F.; Megner, L.

Modulation of the Aleutian-Icelandic low seesaw and its surface impacts by the Atlantic Multidecadal Oscillation.

Li, F.; Orsolini, Y.

Semidiurnal tidal variability derived from a longitudinal chain of northern hemisphere SuperDARN radars.

Hibbins, R.; Espy, P.; Orsolini, Y.; Stray, N.

Role of snow over the Himalaya-Tibet Plateau region on the onset of the Indian monsoon.

Orsolini, Y.

The SNOWGLACE project overview & status.

Orsolini, Y.

Duration and decay of extreme vortex events in the polar stratosphere: comparison of the ECMWF seasonal forecast model with reanalyses.

Orsolini, Y.

Modulation of the Aleutian-Icelandic Low seesaw and its surface impacts by the Atlantic Multi-decadal Oscillation.

Orsolini, Y.; Li, F.; Gao, Y.; He, S.

Duration and decay of extreme vortex events in the polar stratosphere: comparison of the ECMWF seasonal forecast model with re-analyses.

Orsolini, Y.

Modelling the impact of energetic particle precipitation on the middle atmosphere, and implications for climate.

Orsolini, Y.

Impact of springtime Himalayan-Tibetan Plateau snowpack on the onset of the Indian summer monsoon in coupled seasonal forecasts.

Orsolini, Y.

Eurasian snow depth in longterm climate reanalyses.

Wegmann W.; Orsolini, Y.; Bulygina, O.; Sterin, A.; Brönnimann, S.

Advancing climate forecasting.

Merryfield, W. J.; Doblas-Reyes, F. J.; Ferranti, L.; Jeong, J.-H.; Orsolini, Y. J.; Saurral, R. I.; Scaife, A.; A.; Tolstykh, M. A.; Rixen, M.

Eurasian snow depth in long-term climate reanalyses.

Wegmann, M.; Orsolini, Y.; Dutra, E.; Bulygina, O.; Sterin, A.; Brönnimann, S.

Two mechanisms of stratospheric ozone loss in the Northern Hemisphere, studied using data assimilation of Odin/SMR atmospheric observations.

Sagi, K.; Pérot, K.; Murtagh, D.; Orsolini, Y.

NO produced by energetic electron precipitation during a geomagnetic storm in April 2010 – model vs observations.

Smith-Johnsen C.; Marsh, D.; Orsolini, Y.; Tyssøy, H. N.; Hendrickx, K.; Glesnes Ødegaard, L.-K.; Stordal, F.; Megner, L.

Duration and decay of extreme vortex events in the polar stratosphere: comparison of the ECMWF seasonal forecast model with re-analyses.

Nishii, K.; Orsolini, Y.; Nakamura, H.

Cold-air outbreaks over East Asia associated with blocking highs: mechanisms and their interaction with the polar stratosphere.

Nakamura, H.; Nishii, K.; Wang, L.; Orsolini, Y. J.; Takaya, K.

Does the SPE of January 2005 produce a unique, identifiable signature in polar middle atmosphere dynamics?

Kishore, K.; Tissøy, H.; Orsolini, Y.J.; Singer, W.

Decay processes of short and long extreme stratospheric polar vortex events.

Nishii, K.; Orsolini, Y.J.; Nakamura, H.

NO produced by energetic electron precipitation during a geomagnetic storm in April 2010.

Smith-Johnsen, C.; Stordal, F.; Orsolini, Y.J.; Tissøy H.

Eurasian snow depth in long-term climate reanalysis.

Wegmann, M.; Orsolini, Y.J.; Dutra, E.; Bulygina, O.; Jaiser, R.; Handorf, D.; Rinke, A.; Dethloff, K.; Sterin, A.; Brönnimann, S.

EPP-produced NO and its 27-day solar cycles in production and mesospheric descent.

Hendrickx, K.; Megner, L.; Gumbel, J.; Orsolini, Y.J.; Siskind, D.; Tissøy, H.; Hertvig, M.

Role of planetary waves, gravity waves and tides in the downward transport of nitrogen oxides during elevated stratopause events.

Orsolini, Y.J.

On the composite response of the MLT to major sudden stratospheric warming events with elevated stratopause.

Limpasuvan, V.; Orsolini, Y.J.; Chandran, A.; Garcia, R.R.; Smith, A.K.

Forecasting India’s water future.

Mesquita, M. d. S.; Veldore, V.; Li, L.; Krishnan, R.; Orsolini, Y.; Senan, R.; Ramarao, M. V. S.; Viste, E.

Influence of the Eurasian snow on the negative North Atlantic Oscillation in subseasonal forecasts of the cold winter 2009/2010.

Orsolini, Y. J.; Senan, R.; Vitart, F.; Balsamo, G.; Weisheimer, A.; Doblas-Reyes, F. J.

Influence of the Eurasian snow on the negative North Atlantic Oscillation in subseasonal forecasts of the cold winter 2009/2010.

Senan, R.; Orsolini, Y.J.; Weisheimer, A.; Vitart, F.; Balsamo, G.; Doblas-Reyes, F.J.

Mesosphere/Stratosphere coupling during major sudden warmings.

Orsolini, Y.

Impact of springtime snow over the Himalayan-Tibetan Plateau on the onset of the Indian summer monsoon in coupled seasonal forecasts.

Orsolini, Y.; Senan, R.; Weisheimer, A.; Vitart, F.; Balsamo, G.; Stockdale, T.N.; Dutra, E.; Doblas-Reyes, F.J.; Basang, D.

Mesosphere/Stratosphere Coupling during stratospheric warmings.

Orsolini, Y.

Odin/SMR nitric oxide observations and its contribution to a better understanding of energetic particle precipitation indirect effect.

Perot, K.; Murtagh, D.; Orsolini, Y.

Arctic moisture source for Eurasian snow cover variations in autumn.

Wegmann, M.; Orsolini, Y.; Vazquez, M.; Gimeno, L.; Nieto, R.; Bulygina, O.; Jaiser, R.; Handorf, D.; Rinke, A.; Dethloff, K.; Sterin, A.; Brönnimann, S.

Chemistry and dynamics of the secondary ozone layer during the sudden stratospheric warming in the southern hemisphere in 2002, using WACCM-SD.

Smith-Johnsen, C.; Limpasuvan, V.; Orsolini, Y.; Stordal, F.

Observation of 27 day solar cycles in the production and mesospheric descent of EPP-produced NO.

Hendrickx, K.; Megner, L.; Gumbel, J.; Siskind, D.E.; Orsolini, Y.J.; Nesse Tyssøy, H.; Hervig, M.

The relevance of the location of blocking highs for stratospheric variability in a changing climate.

Ayarzaguena, B.; Orsolini, Y.J.; Langematz, U.; Abalichin, J.; Kubin, A.

Influence of La Nina on high impact weather over Eurasia in summer 2010.

Peters, D.; Schneidereit, A.; Fraedrich, K.; Orsolini, Y.J.; Zhang, L.; Zhu, X.

Downward transport of nitrogen oxides produced by energetic particle precipitation.

Orsolini, Y.; Limpasuvan, V.; Perot, K.; Kinnison, D.

Impact of springtime snow over the Himalayan-Tibetan Plateau on the onset of the Indian summer monsoon in coupled seasonal forecasts.

Orsolini, Y.

Energetic particle precipitation indirect effect during the Arctic Winter 2012/2013: WACCM-SD vs. Odin/SMR.

Perot, K.; Orsolini, Y.; Murtagh, D.; Limpasuvan, V.; Kinnison, D.

Thermosphere-Stratosphere coupling during stratospheric sudden warmings.

Orsolini, Y.; Limpasuvan, V.; Perot, K.; Kinnison, D.

Impact of snow cover and sea ice on sub-seasonal to seasonal predictions in the Arctic.

Orsolini, Y.; Senan, R.; Balsamo, G.; Doblas-Reyes, F.; Vitart, F.; Weisheimer, A.

Extreme precipitation events over north China in August 2010 and their link to eastward-propagating wave-trains across Eurasia: observations and monthly forecasting.

Orsolini, Y. J.; Zhang, L.; Peters, D. H. W.; Fraedrich, K.; Zhu, X.; Schneidereit, A.; van den Hurk, B.

Arctic moisture source for Eurasian snow cover variations in autumn.

Wegmann, M.; Orsolini, Y.; Vazquez, M.; Gimeno, L.; Nieto, R.; Bulygina, O.; Jaiser, R.; Handorf, D.; Rinke, A.; Dethloff, K.; Sterin, A.; Brönnimann, S.

Observed anomalous atmospheric patterns in summers of unusual Arctic sea ice melt.

Knudsen, E.M.; Orsolini, Y.J.; Furevik, T.; Hodges, K.I.

Arctic summer storm track in CMIP3/5 climate models.

Nishii, K.; Nakamura, H.; Orsolini, Y.J.

Influence of springtime snow over the Himalayan-Tibetan Plateau on the onset of the Indian summer monsoon.

Orsolini, Y.J.; Senan, R.

Planetary wave 1 and 2 activity in MLT during stratospheric warmings from a chain of SuperDARN radars and WACCM.

Kleinknecht, N.H.; Orsolini, Y.J.; Espy, P.J.; Limpasuvan, V.; Hibbins, R.E.

Impact of snow cover and sea ice on sub-seasonal to seasonal predictions in the Arctic.

Orsolini, Y.

Elevated stratopause events and downward transport of nitrogen oxides.

Orsolini, Y.; Limpasuvan, V.; Kinnison, D.

Influence of spring-time snow over the Himalayan-Tibetan Plateau on the onset of the Indian summer monsoon in the NOAA/CIRES 20th Century Reanalysis.

Senan, R.; Orsolini, Y.J.

Future changes in elevated stratopause events.

Scheffler, J.; Langematz, U.; Orsolini, Y.; Ayarzaguena, B.

Elevated stratopause events and downward transport of nitrogen oxides.

Orsolini, Y.

Extreme precipitation event over North China in August 2010: observations, monthly forecasting, and link to intra-seasonal variability wave-trains across Eurasia.

Orsolini, Y.; Zhang, L.; Peters, D.; Fraedrich, K.; Zhu, X.; van den Hurk, B.

MLT dynamics related to major sudden stratospheric warming events.

Limpasuvan, V.; Orsolini, Y.; Chandran, A.; Garcia, R.; Kinnison, D.

Observations of gravity wave forcing of the mesopause region during the January 2013 major Sudden Stratospheric Warming.

de Wit, R.J.; Hibbins, R.E.; Espy, P.J.; Orsolini, Y.J.; Limpasuvan, V.; Kinnison, D.E.

Future changes in elevated stratopause events.

Scheffler, J.; Langematz, U.; Orsolini, Y.J.; Ayarzagüena, B.

Extreme precipitation event over North China in August 2010: observations, monthly forecasting, and link to intra-seasonal variability of the Silk-Road wave-train across Eurasia.

Orsolini, Y.; Zhang, L.; Peters, D.; Fraedrich, K.

Observed anomalous atmospheric circulation in summers of unusual Arctic sea ice reduction.

Knudsen, E.; Orsolini, Y.; Furevik, T.; Hodges, K.

Planetary wave 1 and 2 activity in MLT during stratospheric warmings from a chain of SuperDARN radars and WACCM.

Kleinknecht, N.; Orsolini, Y.J.; Espy, P.; Hibbins, R.

Influence of spring-time Himalayan Tibetan Plateau snow on the evolution of the Indian Summer Monsoon.

Senan, R.; Orsolini, Y.; Stordal, F.

A climatology of frozen-in anticyclones in the spring arctic stratosphere over the period 1960-2011.

Thiéblemont, R.; Orsolini, Y.J.; Hauchecorne, A.; Drouin, M.-A.; Huret, M.

Influence of spring-time snow over the Himalayan-Tibetan Plateau and Eurasia on the evolution of the Indian summer monsoon.

Senan, R.; Orsolini, Y.

The impact of energetic particle precipitation on nitrogen species.

Orsolini, Y.

Influence of spring-time snow over the Himalayan-Tibetan Plateau and Eurasia on the evolution of the Indian summer monsoon.

Senan, R.; Orsolini, Y.

Projected changes in Arctic summer storm-track activity by CMIP3 climate models.

Nishii, K.; Nakamura, H.; Orsolini, Y.J.

Impact of snow initialization in coupled ocean-atmosphere seasonal forecasts.

Orsolini, Y.

Gravity wave momentum flux variability in the mesopause region during the 2013 major sudden stratospheric warming.

de Wit, R.J.; Hibbins, R.; Espy, P.J.; Orsolini, Y.; Limpasuvan, V.

Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions (RECONCILE): activities and results.

von Hobe, M.; Bekki, S.; Borrmann, S.; Cairo, F.; D'Amato, F.; Di Donfrancesco, G.; Dörnbrack, A.; Ebersoldt, A.; Ebert, M.; Emde, C.; Engel, I.; Ern, M.; Frey, W.; Genco, S.; Griessbach, S.; Grooß, J.-U.; Gulde, T.; Günther, G.; Hösen, E.; Hoffmann, L.; Homonnai, V.; Hoyle, C. R.; Isaksen, I. S. A.; Jackson, D. R.; Jánosi, I. M.; Jones, R. L.; Kandler, K.; Kalicinsky, C.; Keil, A.; Khaykin, S. M.; Khosrawi, F.; Kivi, R.; Kuttippurath, J.; Laube, J. C.; Lefèvre, F.; Lehmann, R.; Ludmann, S.; Luo, B. P.; Marchand, M.; Meyer, J.; Mitev, V.; Molleker, S.; Müller, R.; Oelhaf, H.; Olschewski, F.; Orsolini, Y.; Peter, T.; Pfeilsticker, K.; Piesch, C.; Pitts, M. C.; Poole, L. R.; Pope, F. D.; Ravegnani, F.; Rex, M.; Riese, M.; Röckmann, T.; Rognerud, B.; Roiger, A.; Rolf, C.; Santee, M. L.; Scheibe, M.; Schiller, C.; Schlager, H.; Siciliani de Cumis, M.; Sitnikov, N.; Søvde, O. A.; Spang, R.; Spelten, N.; Stordal, F.; Suminska-Ebersoldt, O.; Ulanovski, A.; Ungermann, J.; Viciani, S.; Volk, C. M.; vom Scheidt, M.; von der Gathen, P.; Walker, K.; Wegner, T.; Weigel, R.; Weinbruch, S.; Wetzel, G.; Wienhold, F. G.; Wohltmann, I.; Woiwode, W.; Young, I. A. K.; Yushkov, V.; Zobrist, B.; Stroh, F.

Impact of snow initialization on sub-seasonal forecasts.

Orsolini, Y.J.; Senan, R.; Balsamo, G.; Doblas-Reyes, F.J.; Vitart, F.; Weisheimer, A.; Carrasco, A.; Benestad, R.E.

The response of polar mesosphere-low thermospheric (MLT) ozone to stratospheric sudden warming.

Tweedy, O.; Limpasuvan, V.; Smith, A.; Orsolini, Y.J.; Randall, C.; Garcia, R.R.; Kinnison, D.; Chadran, A.; Kvissel, O.-K.

Ozone loss and detailed investigations on the chemistry in the core of FrIAC’s (Frozen In Anticyclones) events occurring in 2007 and 2011.

Huret, N.; Thieblemont, R.; Jegou, F.; Søvde, A.; Orsolini, Y. J.; Drouin, M.-A.

Modeling the impact of energetic particle precipitation on stratospheric nitric acid enhancements using WACCM.

Kvissel, O.-K, Orsolini, Y.; Stordal, F.; Isaksen, I.

Frozen-in anticyclone occurrences in the Arctic stratosphere after the vortex breakdown.

Thieblemont, R.; Orsolini, Y. J.; Huret, N.; Hauchecorne, A.; Drouin, M.-A.

Arctic climate processes linked through the circulation of the atmosphere.

Orsolini, Y.

Chemical and dynamical effects of energetic particle precipitation through formation of stratospheric nitric acid by a hydrated ion cluster reaction.

Orsolini, Y.; Kvissel, O.-K.; Stordal, F.; Isaksen, I.

Investigations of mesosphere-stratosphere coupling using the chemistry-climate model WACCM.

Orsolini, Y.

Investigations of mesosphere-stratosphere coupling using the chemistry-climate model WACCM.

Orsolini, Y.

Attribution of the Arctic ozone column deficit in March 2011.

Isaksen, I.S.A.; Zerefos, C.; Wang, W.-C.; Balis, D.; Eleftheratos, K.; Rognerud, B.; Stordal, F.; Berntsen, T.K.; LaCasce, J.H.; Søvde, O.A.; Olivié, D.; Orsolini, Y.J.; Zyrichidou, I.; Prather, M.; Tuinder, O.N.E.

Spatio-temporal variability of the polar middle atmosphere. Insights from over 30 years of research satellite observations.

Lahoz, W.A.; Orsolini, Y.J.; Manney, G.L.; Minschwaner, K.; Allen, D.R.; Errera, Q.; Jackson, D.R.; Lambert, A.; Lee, J.; Pumphrey, H.; Schwartz, M.; Wu, D.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2011.

Svendby, T.M.; Myhre, C.L.; Stebel, K.; Edvardsen, K.; Orsolini, Y.; Dahlback, A.

Geographical dependence observed in blocking high influence on the stratospheric variability through enhancement and suppression of upward planetary-wave propagation.

Nishii, K.; Nakamura, H.; Orsolini, Y.J.

Impact of snow initialization on sub-seasonal forecasts.

Orsolini, Y.; Senan, R.; Carrasco, A.; Balsamo, G.; Doblas-Reyes, P.; Vitart, F.; Weisheimer, A.; Benestad, R.

Havisens rolle som sesongvarsler.

Benestad, R.; Orsolini, Y.; Melsom, A.; Kindem, I.; Senan, R.

Autumn atmospheric response to the 2007 low Arctic sea ice extent in coupled ocean-atmosphere hindcasts.

Orsolini, Y.J.; Senan, R.; Benestad, R.E.; Melsom, A.

Stratopausen i Arktis sett med nye øyne.

Orsolini, Y.; Kvissel, O.-K.; Stordal, F.; Isaksen, I.

Observed and modelled record ozone decline over the Arctic during winter/spring 2011.

Balis, D.; Isaksen, I.S.A.; Zerefos, C.; Zyrichidou, I.; Eleftheratos, K.; Tourpali, K.; Bojkov, R.; Rognerud, B.; Stordal, F.; Søvde, O.A.; Orsolini, Y.

Mesospheric intrusion and anomalous chemistry during and after a major stratospheric sudden warming.

Kvissel, O.-K.; Orsolini, Y. J.; Stordal, F.; Limpasuvan, V.; Richter, J.; Marsh, D.R.

Mesoscale simulations of gravity waves during the 2008-2009 major stratospheric sudden warming.

Limpasuvan, V.; Alexander, M.J.; Orsolini, Y.J.; Wu, D.L.; Xue, M.; Richter, J.H.; Yamashita, C.

Estimation of Arctic O3 loss during winter 2006/2007 using data assimilation and comparison with a chemical transport model.

Søvde, O.A.; Orsolini, Y.J.; Jackson, D.R.; Stordal, F.; Isaksen, I.S.A.; Rognerud, B.

Study of the seasonal ozone variations at European high latitudes.

Werner, R.; Stebel, K.; Hansen, G.H.; Hoppe, U.-P.; Gausa, M.; Kivi, R.; von der Gathen, P.; Orsolini, Y.; Kilifarska, N.

Management of Headwaters in Acidified Areas along the West Coast of Norway.

Hindar, A.; Orsolini, Y.; Skjelkvåle, B.L.

Autumn-time response of the ocean-atmospheric system to interannual changes in Arctic sea-ice extent.

Orsolini, Y. J.; Senan, R.; Benestad, R.E.; Melsom, A.; Balmaseda, M.A.

On the occurrence, the characterization and the dynamical processes associated with FrIAC’s (Frozen In Anticyclones) events.

Thiéblemont, R.; Huret, N.; Orsolini, Y.; Hauchecorne, A.; Drouin, M.

Cooling of the wintertime Arctic stratosphere induced by the western Pacific teleconnection pattern.

Nishii, K.; Nakamura, H.; Orsolini, Y.

Autumn-time response of the ocean-atmospheric system to interannual changes in Arctic sea-ice extent.

Senan, R.; Orsolini, Y.J.; Benestad, R.E.; Melsom, A.; Balmaseda, M.A.

Descent from the polar mesosphere and anomalously high stratopause observed in 8 years of water vapor and temperature satellite observations by the Odin Sub-Millimetre Radiometer.

Orsolini, Y.J.; Urban, J.; Murtagh, D.; Lossow, S.; Limpasuvan, V.

Influence of the Western Pacific pattern on the wintertime Arctic stratosphere.

Nishii, K.; Nakamura, H.; Orsolini, Y.

Influence of the Western Pacific pattern on the wintertime Arctic stratosphere.

Nishii, K.; Nakamura, H.; Orsolini, Y.

Descent from the polar mesosphere and anomalously high stratopause observed in 8 years of water vapor and temperature satellite observations by the Odin Sub-Millimetre Radiometer.

Orsolini, Y. J.; Urban, J.; Murtagh, D.; Lossow, S.; Limpasuvan, V.

Variability of the northern hemisphere polar stratospheric cloud potential: the role of North Pacific disturbances.

Orsolini, Y.; Nikulin, G.; Karpechko, A.

Polar mesospheric descent and stratopause jumps following mid-winter sudden stratospheric warmings as observed in Odin/SMR water vapor and temperature.

Limpasuvan, V.; Lossow, S.; Murthag, D.P.; Orsolini, Y.J.; Urban, J.

Variability of the northern hemisphere polar stratospheric cloud potential: the role of North Pacific disturbances.

Orsolini, Y.J.; Karpechko, A.; Nikulin, G.

Nitric acid in the stratosphere based on Odin observations from 2001 to 2009- part 2: High-altitude polar enhancements.

Orsolini, Y.J.; Urban, J.; Murtagh, D.P.

Role of Eurasian snow cover in wintertime circulation: Decadal simulations forced with satellite observations.

Orsolini, Y.J.; Kvamstø, N.G.

Mesosphere-stratosphere transport during Southern Hemisphere autumn deduced from MIPAS observations.

Lahoz, W.A.; Orsolini, Y.J.; Geer, A.J.; Choi, W.; Allen, D.R.

Estimation of Arctic ozone loss in winter 2004/05 based on assimilation of EOS MLS and SBUV/2 observations.

Jackson, D.R.; Orsolini, Y.J.

Impact of Eurasian snow cover on inter-annual variability of the NH winter circulation: simulations forced by satellite observations.

Orsolini, Y.; Kvamstø, N.

Impact of snow cover on inter-annual variability of the NH winter circulation in an ensemble GCM simulation forced by satellite observations.

Orsolini, Y.; Kvamstø, N.; Sorteberg, A.

An estimation of Arctic ozone loss in recent winters based on assimilation of EOS/MLS and SBUV observations.

Orsolini, Y.; Jackson, D.

Land data assimilation: a tool for improving land surface models and observations.

Lahoz, W.A.; Prata, A.J.; Orsolini, Y.

European surface ozone in the extreme summer 2003.

Solberg, S.; Hov, Ø.; Søvde, A.; Isaksen, I. S. A.; Coddeville, P.; De Backer, H.; Forster, C.; Orsolini, Y.; Uhse, K.

Use of satellite data for atmospheric pollution and greenhouse gas monitoring. A contribution to ACCENT-TROPOSAT-2, task group 3.

Orsolini, Y.; Solberg, S.

The Aleutian-Icelandic seesaw in ensemble GCM simulations.

Orsolini, Y.; Kvamstø, N.; Kindem, I.

Climate patterns and the forcing of the polar stratosphere in winter. Poster presentation.

Orsolini, Y.J.; Karpechko, A.; Nikulin, G.

Transport studies in the stratosphere using MIPAS observations.

Orsolini, Y.

Transport studies in the summer stratosphere 2003 using MIPAS observations.

Orsolini, Y.J.; Lahoz, W.A.; Geer, A.J.

Climate patterns and the forcing of the polar stratosphere in winter.

Orsolini, Y.J.; Karpechko, A.; Nikulin, G.

An observational study of the final breakdown of the southern hemisphere stratospheric vortex in 2002.

Orsolini, Y.J.; Randall, C.E.; Manney, G.L.; Allen, D.R.

A study of the Arctic tropopause, with special emphasis on Northern Scandinavia – a. Ozone sonde and ECMWF data analysis.

Stebel, K.; Hall, C.; Hansen, G.; Karpetchko, A.; Kirkwood, S.; Kyrö, E.; Latteck, R.; Müller, M.; Nikulin, G.; Orsolini, Y.; Roettger, J.; Singer, W.

Sustainable atmosphere; transport and transformation of pollutants.

Solberg, S.; Coddewille, P.; Hov, Ø.; Orsolini, Y.; Simpson, D.; Uhse, K.

Stratospheric effects of energetic particle precipitation in 2003-2004.

Randall, C.E.; Harvey, V.L.; Manney, G.L.; Orsolini, Y.; Codrescu, M.; Sioris, C.; Brohede, S.; Haley, C.S.; Gordley, L.L.; Zawodny, J.M.; Russell, J.M.

Summertime low-ozone episodes over northern high latitudes and their impact on

Orsolini, Y.J.; Eskes, H.; Hansen, G.; Hoppe, U.P.; Kylling, A.; Kyro, E.; Notholt, J.; Van Der A.; R.; von der Gathen, P.

Seesaw fluctuations in ozone between the North Pacific and North Atlantic.

Orsolini, Y.J.

Dynamics and chemistry of vortex remnants in late Arctic spring 1997 and 2000: Simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS).

Konopka, P.; Grooss, J.U.; Bausch, S.; Muller, R.; McKenna, D.S.; Morgenstern, O.; Orsolini, Y.

Ozon og partikler er viktige for klimaet.

Isaksen, I.S.A.; Gauss, M.; Myhre, G.; Iversen, T.; Stebel, K.; Orsolini, Y.; Braathen, G.; Hansen, G.; Sundet, J.K.; Stordal, F.

Ozone signatures of climate patterns over the Euro-Atlantic sector in the spring.

Orsolini, Y.J.; Doblas-Reyes, F.J.

Coordinated ground-based validation of ENVISAT atmospheric chemistry with NDSC network data: Commissioning phase report.

Lambert, J.C.; Soebijanta, V.; Orsolini, Y.; Andersen, S.; Van, A. B.; Burrows, J.; Calisesi, Y.; Cambridge, C.; Claude, H.; De Backer-Barilly, M.-R.; de La Noë, J.; De Maziere, M.; Dorokohov, V.; Vik, A. F.; Godin-Beekmann, S.; Goutail, F.; Hansen, G.; Hochschild, G.; Høiskar, B. A.; Johnston, P.; Kämpfer, N.; Kreher, K.; Kyrö, E.; Leveau, J.; Mäder, J.; Milinevski, G.; Pommerau, J.-P.; Quinn, P.; Raffalski, U.; Rihter, A.; Roscoe, H.; Shanklin, J.; Staehlin, J.; Stebel, K.; Stubi, R.; Suortti, T.; Tørnkvist, K.; Van Roozendael, M.; Vaughan, G.; Wittrock, F.

Dynamics and chemistry of vortex remnants in late arctic spring 1997 and 2000: simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS).

Konopka, P.; Grooß, J.U.; Bausch, S.; Müller, R.; McKenna, D.S.; Morgenstern, O.; Orsolini, Y.

Betydningen av den nordatlantiske svingning (NAO) for sjøsaltepisoder og forsuring i vassdrag på Vestlandet og i Trøndelag.

Hindar, A.; Tørset, K.; Henriksen, A.; Orsolini, Y.

Total ozone monitoring from the geostationary orbit : an example using GOES-8 infrared measurements.

Orsolini, Y.J.

The North Atlantic Oscillation and the occurrences of ozone miniholes.

Orsolini, Y.J.; Limpasuvan, V.

Lagrangian reconstruction of ozone column and profile at the Arctic Lidar Observatory for Middle Atmosphere Research (ALOMAR) throughout the winter and spring of 1997-1998.

Orsolini, Y.J.; Hansen, G.; Manney, G.L.; Livesey, N.; Hoppe, U.P.

Seasonal formation of nitrous oxide laminae in the mid and low latitude stratosphere.

Orsolini, Y.J.; Grant, W.B.

A numerical simulation of the two-day wave near the stratopause.

Limpasuvan, V.; Leovy, C.B.; Orsolini, Y.J.; Boville, B.A.

A model study of ozone laminae at ALOMAR.

Orsolini, Y J.; Hansen, G.; Hoppe, U P.; Manney, G L.; Livesey, N.

Re-construction of ozone profile and column at Andøya in the winter 1997/98.

Orsolini, Y.; Hansen, G.; Hoppe, U.P.; Manney, G.L.; Livesey, N.