Patrick Joseph Espy
Om
Publikasjoner
2023
-
Wüst, Sabine;
Bittner, Michael;
Espy, Patrick Joseph;
French, W. John R.;
Mulligan, Frank J..
(2023)
Hydroxyl airglow observations for investigating atmospheric dynamics: Results and challenges.
Atmospheric Chemistry and Physics (ACP).
volum 23 (2).
Vitenskapelig oversiktsartikkel/review
2022
-
van Caspel, Willem Elias;
Espy, Patrick Joseph;
Ortland, David A.;
Hibbins, Robert.
(2022)
The Mid- to High-Latitude Migrating Semidiurnal Tide: Results From a Mechanistic Tide Model and SuperDARN Observations.
Journal of Geophysical Research (JGR): Atmospheres.
volum 127 (1).
Vitenskapelig artikkel
2021
-
Bender, Stefan;
Espy, Patrick J.;
Paxton, Larry J..
(2021)
Validation of SSUSI-derived auroral electron densities: Comparisons to EISCAT data.
Annales Geophysicae.
volum 39 (5).
Vitenskapelig artikkel
-
Laundal, Karl Magnus;
Yee, J.H.;
Merkin, V.G.;
Gjerløv, Jesper;
Vanhamäki, H.;
Reistad, Jone Peter;
Madelaire, Michael;
Sorathia, K.;
Espy, Patrick Joseph.
(2021)
Electrojet Estimates From Mesospheric Magnetic Field Measurements.
Journal of Geophysical Research (JGR): Space Physics.
volum 126 (5).
Vitenskapelig artikkel
-
Liu, Guiping;
Lieberman, Ruth S.;
Harvey, V. Lynn;
Pedatella, Nicholas M.;
Oberheide, Jens;
Hibbins, Robert E.;
Espy, Patrick Joseph;
Janches, Diego.
(2021)
Tidal Variations in the Mesosphere and Lower Thermosphere Before, During, and After the 2009 Sudden Stratospheric Warming.
Journal of Geophysical Research (JGR): Space Physics.
volum 126 (3).
Vitenskapelig artikkel
-
Stober, Gunter;
Kozlovsky, A.;
Liu, Alan;
Qiao, Zishun;
Tsutsumi, Masaki;
Hall, Chris;
Nozawa, Satonori;
Lester, Mark;
Belova, Evgenia;
Kero, Johan;
Espy, Patrick Joseph;
Hibbins, Robert E.;
Mitchell, N..
(2021)
Atmospheric tomography using the Nordic Meteor Radar Cluster and Chilean Observation Network de Meteor Radars: Network details and 3D-Var retrieval.
Atmospheric Measurement Techniques.
volum 14 (10).
Vitenskapelig artikkel
-
Vorobeva, Ekaterina;
De Carlo, Marine;
Le Pichon, Alexis;
Espy, Patrick Joseph;
Näsholm, Sven Peter.
(2021)
Benchmarking microbarom radiation and propagation model against infrasound recordings: a vespagram-based approach.
Annales Geophysicae.
volum 39 (3).
Vitenskapelig artikkel
-
Zhang, J.;
Limpasuvan, Varavut;
Orsolini, Yvan J.;
Espy, Patrick Joseph;
Hibbins, Robert.
(2021)
Climatological Westward‐Propagating Semidiurnal Tides and Their Composite Response to Sudden Stratospheric Warmings in SuperDARN and SD‐WACCM‐X.
Journal of Geophysical Research (JGR): Atmospheres.
volum 126 (3).
Vitenskapelig artikkel
2020
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hibbins, Robert.
(2020)
Modelled effects of temperature gradients and waves on the hydroxyl rotational distribution in ground-based airglow measurements.
Atmospheric Chemistry and Physics (ACP).
volum 20.
Vitenskapelig artikkel
-
van Caspel, Willem Elias;
Espy, Patrick Joseph;
Hibbins, Robert;
McCormack, John.
(2020)
Migrating tide climatologies measured by a high-latitude array of SuperDARN HF radars.
Annales Geophysicae.
volum 38 (6).
Vitenskapelig artikkel
2019
-
Bender, Stefan;
Sinnhuber, M;
Espy, Patrick Joseph;
Burrows, John P..
(2019)
Mesospheric nitric oxide model from SCIAMACHY data.
Atmospheric Chemistry and Physics (ACP).
volum 19.
Vitenskapelig artikkel
-
Blanc, Elisabeth;
Pol, Katy;
Le Pichon, Alexis;
Hauchecorne, Alain;
Keckhut, Philippe;
Baumgarten, Gerd;
Hildebrand, Jens;
Höffner, Josef;
Stober, Gunter;
Hibbins, Robert;
Espy, Patrick Joseph;
Rapp, Markus;
Kaifler, Bernd;
Ceranna, Lars;
Hupe, Patrick;
Hagen, Jonas;
Rüfenacht, Rolf;
Kämpfer, Niklaus;
Smets, Pieter.
(2019)
Middle Atmosphere Variability and Model Uncertainties as Investigated in the Framework of the ARISE Project.
Infrasound Monitoring for Atmospheric Studies: Challenges in Middle Atmosphere Dynamics and Societal Benefits.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hofmann, Niklas;
Hibbins, Robert;
Djupvik, Anlaug Amanda.
(2019)
Airglow Derived Measurements of Q-Branch Transition Probabilities for Several Hydroxyl Meinel Bands.
Atmosphere.
volum 10 (10).
Vitenskapelig artikkel
-
Hibbins, Robert;
Espy, Patrick Joseph;
De Wit, Rosmarie Johanna.
(2019)
Gravity-Wave Detection in the Mesosphere Using Airglow Spectrometers and Meteor Radars.
Infrasound Monitoring for Atmospheric Studies: Challenges in Middle Atmosphere Dynamics and Societal Benefits.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hibbins, Robert;
Espy, Patrick Joseph;
Orsolini, Yvan;
Limpasuvan, Varavut;
Barnes, Robin J..
(2019)
SuperDARN observations of semidiurnal tidal variability in the MLT and the response to sudden stratospheric warming events.
Journal of Geophysical Research (JGR): Atmospheres.
volum 124.
Vitenskapelig artikkel
2018
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hibbins, Robert;
Djupvik, Anlaug Amanda.
(2018)
Observation of Quasiperiodic Structures in the Hydroxyl Airglow on Scales Below 100 m.
Journal of Geophysical Research (JGR): Atmospheres.
volum 123 (19).
Vitenskapelig artikkel
-
Smith, Anne K.;
Espy, Patrick Joseph;
Lopez-Puertas, Manuel;
Tweedy, Olga V..
(2018)
Spatial and Temporal Structure of the Tertiary Ozone Maximum in the Polar Winter Mesosphere.
Journal of Geophysical Research (JGR): Space Physics.
volum 123 (8).
Vitenskapelig artikkel
2017
-
Blanc, Elisabeth;
Ceranna, L;
Hauchecorne, A.;
Charlton-Perez, Andrew;
Marchetti, E;
Evers, LG;
Kværna, Tormod;
Lastovicka, J;
Eliasson, L;
Crosby, Norma B.;
Blanc-Benon, P;
Le Pichon, Alexis;
Brachet, Nicolas;
Pilger, C;
Keckhut, Philippe;
Assink, JD;
Smets, PSM;
Lee, CF;
Kero, Johan.
(2017)
Toward an improved representation of middle atmospheric dynamics thanks to the ARISE project.
Surveys in geophysics.
volum 39 (2).
Vitenskapelig artikkel
-
Franzen, Christoph;
Hibbins, Robert;
Espy, Patrick Joseph;
Djupvik, Anlaug Amanda.
(2017)
Optimizing hydroxyl airglow retrievals from long-slit astronomical spectroscopic observations.
Atmospheric Measurement Techniques.
volum 10 (8).
Vitenskapelig artikkel
-
Lossow, Stefan;
Khosrawi, Farahnaz;
Nedoluha, Gerald E;
Azam, Faiza;
Bramstedt, Klaus;
Burrows, John P.;
Dinelli, Bianca M;
Eriksson, Patrick;
Espy, Patrick Joseph;
Garcia-Comas, Maya;
Gille, John C;
Kiefer, Michael;
Noel, Stefan;
Raspollini, Piera;
Read, William G.;
Rosenlof, Karen H;
Rozanov, Aleksej;
Sioris, Christopher E;
Stiller, Gabriele P.
(2017)
The SPARC water vapour assessment II: Comparison of annual, semi-annual and quasi-biennial variations in stratospheric and lower mesospheric water vapour observed from satellites.
Atmospheric Measurement Techniques.
volum 10 (3).
Vitenskapelig artikkel
-
McCormack, J;
Hoppel, K;
Kuhl, D;
de Wit, R;
Stober, G.;
Espy, Patrick Joseph;
Baker, N;
Brown, P;
Fritts, D;
Jacobi, C.;
Janches, D;
Mitchell, N.;
Ruston, B;
Swadley, S;
Viner, K;
Whitcomb, T;
Hibbins, Robert.
(2017)
Comparison of mesospheric winds from a high-altitude meteorological analysis system and meteor radar observations during the boreal winters of 2009-2010 and 2012-2013.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 154.
Vitenskapelig artikkel
-
Orsolini, Yvan;
Limpasuvan, Varavut;
Pérot, Kristell;
Espy, Patrick Joseph;
Hibbins, Robert;
Lossow, Stefan;
Raaholt Larsson, Katarina;
Murtagh, Donal.
(2017)
Modelling the descent of nitric oxide during the elevated stratopause event of January 2013.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 155.
Vitenskapelig artikkel
-
Stray, Nora;
Espy, Patrick Joseph.
(2017)
Planetary wave-like oscillations in the ionosphere retrieved with a longitudinal chain of ionosondes at high northern latitudes.
Journal of Atmospheric and Solar-Terrestrial Physics.
Vitenskapelig artikkel
2016
-
Zawedde, Annet Eva;
Tyssøy, Hilde Nesse;
Hibbins, Robert Edward;
Espy, Patrick Joseph;
Ødegaard, Linn-Kristine Glesnes;
Sandanger, Marit Irene J.;
Stadsnes, Johan.
(2016)
The impact of energetic electron precipitation on mesospheric hydroxyl during a year of solar minimum.
Journal of Geophysical Research (JGR): Space Physics.
volum 121 (6).
Vitenskapelig artikkel
2015
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph.
(2015)
The seasonal cycle of gravity wave momentum flux and forcing in the high latitude northern hemisphere mesopause region.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 127.
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Hennum, Endre Asheim.
(2015)
Coupling in the middle atmosphere related to the 2013 major sudden stratospheric warming.
Annales Geophysicae.
volum 33 (3).
Vitenskapelig artikkel
-
Narukull, Venkateswara Rao;
Espy, Patrick Joseph;
Hibbins, Robert;
Fritts, David C.;
Kavanagh, Andrew J..
(2015)
Observational evidence of the influence of Antarctic stratospheric ozone variability on middle atmosphere dynamics.
Geophysical Research Letters.
volum 42 (19).
Vitenskapelig artikkel
-
Stray, Nora Henriette;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Characterisation of quasi-stationary planetary waves in the Northern MLT during summer.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 127.
Vitenskapelig artikkel
-
Stray, Nora Henriette;
Orsolini, Yvan;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Observations of planetary waves in the mesosphere-lower thermosphere during stratospheric warming events.
Atmospheric Chemistry and Physics (ACP).
volum 15 (9).
Vitenskapelig artikkel
-
Stray, Nora;
Orsolini, Yvan;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Observations of PW activity in the MLT during SSW events using a chain of SuperDARN radars and SD-WACCM.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 15.
Vitenskapelig artikkel
2014
-
Daae, Marianne;
Straub, Corinne;
Espy, Patrick Joseph;
Newnham, David.
(2014)
Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6 (1).
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Orsolini, Yvan;
Limpasuvan, Varavut;
Kinnison, Douglas E..
(2014)
Observations of gravity wave forcing of the mesopause region during the January 2013 major Sudden Stratospheric Warming.
Geophysical Research Letters.
volum 41 (13).
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Espy, Patrick Joseph;
Stray, Nora Henriette;
Hatlen, Morten;
Kaifler, Natalie;
Baumgarten, G.
(2014)
Characteristics and sources of gravity waves observed in noctilucent cloud over Norway.
Atmospheric Chemistry and Physics (ACP).
volum 14 (22).
Vitenskapelig artikkel
-
Kleinknecht, Nora;
Espy, Patrick Joseph;
Hibbins, Robert.
(2014)
The climatology of zonal wave numbers 1 and 2 planetary wave structure in the MLT using a chain of Northern Hemisphere SuperDARN radars.
Journal of Geophysical Research (JGR): Atmospheres.
volum 119 (3).
Vitenskapelig artikkel
-
Reisin, Esteban R.;
Scheer, Jürgen;
Dyrland, Margit Elisabet;
Sigernes, Fred;
Deehr, Charles Sterling;
Schmidt, Carsten H.;
Höppner, Kathrin;
Bittner, Michael;
Ammosov, Petr P.;
Gavrilyeva, Galina A.;
Stegman, Jacek;
Perminov, Vladimir I.;
Semenov, Anatoly I.;
Knieling, Peter;
Koppmann, Ralf;
Shiokawa, Kazuo;
Lowe, Robert P.;
López-González, Maria J.;
Rodriguez, Eloy.
(2014)
Traveling planetary wave activity from mesopause region airglow temperatures determined by the Network for the Detection of Mesospheric Change (NDMC).
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 119.
Vitenskapelig artikkel
-
Stray, Nora Henriette;
De Wit, Rosmarie Johanna;
Espy, Patrick Joseph;
Hibbins, Robert.
(2014)
Observational evidence for temporary planetary wave forcing of the MLT during fall equinox.
Geophysical Research Letters.
volum 41.
Vitenskapelig artikkel
2013
-
Newnham, David A.;
Espy, Patrick Joseph;
Clilverd, Mark A.;
Rodger, Craig J.;
Seppälä, Annika;
Maxfield, David J.;
Hartogh, Paul;
Straub, Corinne;
Holmén, Kim;
Horne, Richard B..
(2013)
Observations of nitric oxide in the Antarctic middle atmosphere during recurrent geomagnetic storms.
Journal of Geophysical Research (JGR): Space Physics.
volum 118 (12).
Vitenskapelig artikkel
-
Daae, Marianne;
Straub, Corinne;
Espy, Patrick Joseph;
Newnham, David.
(2013)
Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6.
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Mitchell, Nick J..
(2013)
Interannual variability of mesopause zonal winds over Ascension Island: Coupling to the stratospheric QBO.
Journal of Geophysical Research (JGR): Atmospheres.
volum 118 (21).
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Espy, Patrick Joseph;
Kleinknecht, Nora;
Hatlen, Morten;
Kaifler, Natalie;
Baumgarten, Gerd.
(2013)
Characteristics and sources of gravity waves observed in NLC over Norway.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 13.
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Hosokawa, Keisuke;
Kleinknecht, Nora;
Espy, Patrick Joseph;
Hibbins, Robert.
(2013)
Planetary wave oscillations observed in ozone and PMSE data from Antarctica.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 105-106.
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Kleinknecht, Nora;
Hibbins, Robert;
Espy, Patrick Joseph;
Straub, Corinne.
(2013)
Quasi-16-day period oscillations observed in middle atmospheric ozone and temperature in Antarctica.
Annales Geophysicae.
volum 31 (7).
Vitenskapelig artikkel
-
Ekern, Kjetil Landgraff;
Espy, Patrick Joseph.
(2013)
FYSIKK FORDYPNINGSPROSJEKT VÅR 2013: Climatology of short-period tidal oscillations in the upper atmosphere.
Norges teknisk-naturvitenskapelige universitet. 2013.
Rapport
-
Straub, Corinne;
Espy, Patrick Joseph;
Hibbins, Robert;
Newnham, David.
(2013)
Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6.
Vitenskapelig artikkel
-
Straub, Corinne;
Espy, Patrick Joseph;
Hibbins, Robert;
Newnham, David.
(2013)
Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 5.
Vitenskapelig artikkel
2012
-
Daae, Marianne;
Espy, Patrick Joseph;
Tyssøy, Hilde Nesse;
Newnham, David;
Stadsnes, Johan;
Søraas, Finn.
(2012)
The effect of energetic electron precipitation on middle mesospheric night-time ozone during and after a moderate geomagnetic storm.
Geophysical Research Letters.
volum 39 (21).
Vitenskapelig artikkel
2011
-
Espy, Patrick Joseph;
Ochoa, Sara;
Forkman, P;
Murtagh, D;
Stegman, J..
(2011)
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures.
Atmospheric Chemistry and Physics (ACP).
volum 11 (2).
Vitenskapelig artikkel
-
Gardner, CS;
Chu, XZ;
Espy, Patrick Joseph;
Plane, JMC;
Marsh, Daniel R.;
Janches, D.
(2011)
Seasonal variations of the mesospheric Fe layer at Rothera, Antarctica (67.5 degrees S, 68.0 degrees W).
Journal of Geophysical Research (JGR): Atmospheres.
volum 116.
Vitenskapelig artikkel
-
Newnham, David;
Espy, Patrick Joseph;
Clilverd, Mark;
Rodger, Craig J;
Seppala, Annika;
Maxfield, David;
Hartogh, Paul;
Holmén, Kim Johan;
Horne, R.
(2011)
Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere.
Geophysical Research Letters.
volum 38.
Vitenskapelig artikkel
2010
-
Espy, Patrick Joseph;
Ochoa, Sara;
Forkman, Peter;
Murtagh, Donal;
Stegman, Jacek.
(2010)
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 10 (10).
Vitenskapelig artikkel
2009
-
Chu, XZ;
Yamashita, C;
Espy, Patrick Joseph;
Nott, GJ;
Jensen, EJ;
Liu, HL;
Huang, WT;
Thayer, JP.
(2009)
Responses of polar mesospheric cloud brightness to stratospheric gravity waves at the South Pole and Rothera, Antarctica.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 71 (3-4).
Vitenskapelig artikkel
-
Russell, JM;
Bailey, SM;
Gordley, LL;
Rusch, DW;
Horanyi, M;
Hervig, ME;
Thomas, GE;
Randall, CE;
Siskind, DE;
Stevens, MH;
Summers, ME;
Taylor, MJ;
Englert, CR;
Espy, Patrick Joseph;
McClintock, WE;
Merkel, AW.
(2009)
The Aeronomy of Ice in the Mesosphere (AIM) mission: Overview and early science results.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 71 (3-4).
Vitenskapelig artikkel
-
Yamashita, C;
Chu, XZ;
Liu, HL;
Espy, Patrick Joseph;
Nott, GJ;
Huang, WT.
(2009)
Stratospheric gravity wave characteristics and seasonal variations observed by lidar at the South Pole and Rothera, Antarctica.
Journal of Geophysical Research (JGR): Atmospheres.
volum 114.
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Wüst, Sabine;
Bittner, Michael;
Espy, Patrick Joseph;
French, W. John R.;
Mulligan, Frank J..
(2023)
Hydroxyl airglow observations for investigating atmospheric dynamics: Results and challenges.
Atmospheric Chemistry and Physics (ACP).
volum 23 (2).
Vitenskapelig oversiktsartikkel/review
-
van Caspel, Willem Elias;
Espy, Patrick Joseph;
Ortland, David A.;
Hibbins, Robert.
(2022)
The Mid- to High-Latitude Migrating Semidiurnal Tide: Results From a Mechanistic Tide Model and SuperDARN Observations.
Journal of Geophysical Research (JGR): Atmospheres.
volum 127 (1).
Vitenskapelig artikkel
-
Bender, Stefan;
Espy, Patrick J.;
Paxton, Larry J..
(2021)
Validation of SSUSI-derived auroral electron densities: Comparisons to EISCAT data.
Annales Geophysicae.
volum 39 (5).
Vitenskapelig artikkel
-
Laundal, Karl Magnus;
Yee, J.H.;
Merkin, V.G.;
Gjerløv, Jesper;
Vanhamäki, H.;
Reistad, Jone Peter;
Madelaire, Michael;
Sorathia, K.;
Espy, Patrick Joseph.
(2021)
Electrojet Estimates From Mesospheric Magnetic Field Measurements.
Journal of Geophysical Research (JGR): Space Physics.
volum 126 (5).
Vitenskapelig artikkel
-
Liu, Guiping;
Lieberman, Ruth S.;
Harvey, V. Lynn;
Pedatella, Nicholas M.;
Oberheide, Jens;
Hibbins, Robert E.;
Espy, Patrick Joseph;
Janches, Diego.
(2021)
Tidal Variations in the Mesosphere and Lower Thermosphere Before, During, and After the 2009 Sudden Stratospheric Warming.
Journal of Geophysical Research (JGR): Space Physics.
volum 126 (3).
Vitenskapelig artikkel
-
Stober, Gunter;
Kozlovsky, A.;
Liu, Alan;
Qiao, Zishun;
Tsutsumi, Masaki;
Hall, Chris;
Nozawa, Satonori;
Lester, Mark;
Belova, Evgenia;
Kero, Johan;
Espy, Patrick Joseph;
Hibbins, Robert E.;
Mitchell, N..
(2021)
Atmospheric tomography using the Nordic Meteor Radar Cluster and Chilean Observation Network de Meteor Radars: Network details and 3D-Var retrieval.
Atmospheric Measurement Techniques.
volum 14 (10).
Vitenskapelig artikkel
-
Vorobeva, Ekaterina;
De Carlo, Marine;
Le Pichon, Alexis;
Espy, Patrick Joseph;
Näsholm, Sven Peter.
(2021)
Benchmarking microbarom radiation and propagation model against infrasound recordings: a vespagram-based approach.
Annales Geophysicae.
volum 39 (3).
Vitenskapelig artikkel
-
Zhang, J.;
Limpasuvan, Varavut;
Orsolini, Yvan J.;
Espy, Patrick Joseph;
Hibbins, Robert.
(2021)
Climatological Westward‐Propagating Semidiurnal Tides and Their Composite Response to Sudden Stratospheric Warmings in SuperDARN and SD‐WACCM‐X.
Journal of Geophysical Research (JGR): Atmospheres.
volum 126 (3).
Vitenskapelig artikkel
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hibbins, Robert.
(2020)
Modelled effects of temperature gradients and waves on the hydroxyl rotational distribution in ground-based airglow measurements.
Atmospheric Chemistry and Physics (ACP).
volum 20.
Vitenskapelig artikkel
-
van Caspel, Willem Elias;
Espy, Patrick Joseph;
Hibbins, Robert;
McCormack, John.
(2020)
Migrating tide climatologies measured by a high-latitude array of SuperDARN HF radars.
Annales Geophysicae.
volum 38 (6).
Vitenskapelig artikkel
-
Bender, Stefan;
Sinnhuber, M;
Espy, Patrick Joseph;
Burrows, John P..
(2019)
Mesospheric nitric oxide model from SCIAMACHY data.
Atmospheric Chemistry and Physics (ACP).
volum 19.
Vitenskapelig artikkel
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hofmann, Niklas;
Hibbins, Robert;
Djupvik, Anlaug Amanda.
(2019)
Airglow Derived Measurements of Q-Branch Transition Probabilities for Several Hydroxyl Meinel Bands.
Atmosphere.
volum 10 (10).
Vitenskapelig artikkel
-
Hibbins, Robert;
Espy, Patrick Joseph;
Orsolini, Yvan;
Limpasuvan, Varavut;
Barnes, Robin J..
(2019)
SuperDARN observations of semidiurnal tidal variability in the MLT and the response to sudden stratospheric warming events.
Journal of Geophysical Research (JGR): Atmospheres.
volum 124.
Vitenskapelig artikkel
-
Franzen, Christoph;
Espy, Patrick Joseph;
Hibbins, Robert;
Djupvik, Anlaug Amanda.
(2018)
Observation of Quasiperiodic Structures in the Hydroxyl Airglow on Scales Below 100 m.
Journal of Geophysical Research (JGR): Atmospheres.
volum 123 (19).
Vitenskapelig artikkel
-
Smith, Anne K.;
Espy, Patrick Joseph;
Lopez-Puertas, Manuel;
Tweedy, Olga V..
(2018)
Spatial and Temporal Structure of the Tertiary Ozone Maximum in the Polar Winter Mesosphere.
Journal of Geophysical Research (JGR): Space Physics.
volum 123 (8).
Vitenskapelig artikkel
-
Blanc, Elisabeth;
Ceranna, L;
Hauchecorne, A.;
Charlton-Perez, Andrew;
Marchetti, E;
Evers, LG;
Kværna, Tormod;
Lastovicka, J;
Eliasson, L;
Crosby, Norma B.;
Blanc-Benon, P;
Le Pichon, Alexis;
Brachet, Nicolas;
Pilger, C;
Keckhut, Philippe;
Assink, JD;
Smets, PSM;
Lee, CF;
Kero, Johan.
(2017)
Toward an improved representation of middle atmospheric dynamics thanks to the ARISE project.
Surveys in geophysics.
volum 39 (2).
Vitenskapelig artikkel
-
Franzen, Christoph;
Hibbins, Robert;
Espy, Patrick Joseph;
Djupvik, Anlaug Amanda.
(2017)
Optimizing hydroxyl airglow retrievals from long-slit astronomical spectroscopic observations.
Atmospheric Measurement Techniques.
volum 10 (8).
Vitenskapelig artikkel
-
Lossow, Stefan;
Khosrawi, Farahnaz;
Nedoluha, Gerald E;
Azam, Faiza;
Bramstedt, Klaus;
Burrows, John P.;
Dinelli, Bianca M;
Eriksson, Patrick;
Espy, Patrick Joseph;
Garcia-Comas, Maya;
Gille, John C;
Kiefer, Michael;
Noel, Stefan;
Raspollini, Piera;
Read, William G.;
Rosenlof, Karen H;
Rozanov, Aleksej;
Sioris, Christopher E;
Stiller, Gabriele P.
(2017)
The SPARC water vapour assessment II: Comparison of annual, semi-annual and quasi-biennial variations in stratospheric and lower mesospheric water vapour observed from satellites.
Atmospheric Measurement Techniques.
volum 10 (3).
Vitenskapelig artikkel
-
McCormack, J;
Hoppel, K;
Kuhl, D;
de Wit, R;
Stober, G.;
Espy, Patrick Joseph;
Baker, N;
Brown, P;
Fritts, D;
Jacobi, C.;
Janches, D;
Mitchell, N.;
Ruston, B;
Swadley, S;
Viner, K;
Whitcomb, T;
Hibbins, Robert.
(2017)
Comparison of mesospheric winds from a high-altitude meteorological analysis system and meteor radar observations during the boreal winters of 2009-2010 and 2012-2013.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 154.
Vitenskapelig artikkel
-
Orsolini, Yvan;
Limpasuvan, Varavut;
Pérot, Kristell;
Espy, Patrick Joseph;
Hibbins, Robert;
Lossow, Stefan;
Raaholt Larsson, Katarina;
Murtagh, Donal.
(2017)
Modelling the descent of nitric oxide during the elevated stratopause event of January 2013.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 155.
Vitenskapelig artikkel
-
Stray, Nora;
Espy, Patrick Joseph.
(2017)
Planetary wave-like oscillations in the ionosphere retrieved with a longitudinal chain of ionosondes at high northern latitudes.
Journal of Atmospheric and Solar-Terrestrial Physics.
Vitenskapelig artikkel
-
Zawedde, Annet Eva;
Tyssøy, Hilde Nesse;
Hibbins, Robert Edward;
Espy, Patrick Joseph;
Ødegaard, Linn-Kristine Glesnes;
Sandanger, Marit Irene J.;
Stadsnes, Johan.
(2016)
The impact of energetic electron precipitation on mesospheric hydroxyl during a year of solar minimum.
Journal of Geophysical Research (JGR): Space Physics.
volum 121 (6).
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph.
(2015)
The seasonal cycle of gravity wave momentum flux and forcing in the high latitude northern hemisphere mesopause region.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 127.
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Hennum, Endre Asheim.
(2015)
Coupling in the middle atmosphere related to the 2013 major sudden stratospheric warming.
Annales Geophysicae.
volum 33 (3).
Vitenskapelig artikkel
-
Narukull, Venkateswara Rao;
Espy, Patrick Joseph;
Hibbins, Robert;
Fritts, David C.;
Kavanagh, Andrew J..
(2015)
Observational evidence of the influence of Antarctic stratospheric ozone variability on middle atmosphere dynamics.
Geophysical Research Letters.
volum 42 (19).
Vitenskapelig artikkel
-
Stray, Nora Henriette;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Characterisation of quasi-stationary planetary waves in the Northern MLT during summer.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 127.
Vitenskapelig artikkel
-
Stray, Nora Henriette;
Orsolini, Yvan;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Observations of planetary waves in the mesosphere-lower thermosphere during stratospheric warming events.
Atmospheric Chemistry and Physics (ACP).
volum 15 (9).
Vitenskapelig artikkel
-
Stray, Nora;
Orsolini, Yvan;
Espy, Patrick Joseph;
Limpasuvan, Varavut;
Hibbins, Robert.
(2015)
Observations of PW activity in the MLT during SSW events using a chain of SuperDARN radars and SD-WACCM.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 15.
Vitenskapelig artikkel
-
Daae, Marianne;
Straub, Corinne;
Espy, Patrick Joseph;
Newnham, David.
(2014)
Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6 (1).
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Orsolini, Yvan;
Limpasuvan, Varavut;
Kinnison, Douglas E..
(2014)
Observations of gravity wave forcing of the mesopause region during the January 2013 major Sudden Stratospheric Warming.
Geophysical Research Letters.
volum 41 (13).
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Espy, Patrick Joseph;
Stray, Nora Henriette;
Hatlen, Morten;
Kaifler, Natalie;
Baumgarten, G.
(2014)
Characteristics and sources of gravity waves observed in noctilucent cloud over Norway.
Atmospheric Chemistry and Physics (ACP).
volum 14 (22).
Vitenskapelig artikkel
-
Kleinknecht, Nora;
Espy, Patrick Joseph;
Hibbins, Robert.
(2014)
The climatology of zonal wave numbers 1 and 2 planetary wave structure in the MLT using a chain of Northern Hemisphere SuperDARN radars.
Journal of Geophysical Research (JGR): Atmospheres.
volum 119 (3).
Vitenskapelig artikkel
-
Reisin, Esteban R.;
Scheer, Jürgen;
Dyrland, Margit Elisabet;
Sigernes, Fred;
Deehr, Charles Sterling;
Schmidt, Carsten H.;
Höppner, Kathrin;
Bittner, Michael;
Ammosov, Petr P.;
Gavrilyeva, Galina A.;
Stegman, Jacek;
Perminov, Vladimir I.;
Semenov, Anatoly I.;
Knieling, Peter;
Koppmann, Ralf;
Shiokawa, Kazuo;
Lowe, Robert P.;
López-González, Maria J.;
Rodriguez, Eloy.
(2014)
Traveling planetary wave activity from mesopause region airglow temperatures determined by the Network for the Detection of Mesospheric Change (NDMC).
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 119.
Vitenskapelig artikkel
-
Stray, Nora Henriette;
De Wit, Rosmarie Johanna;
Espy, Patrick Joseph;
Hibbins, Robert.
(2014)
Observational evidence for temporary planetary wave forcing of the MLT during fall equinox.
Geophysical Research Letters.
volum 41.
Vitenskapelig artikkel
-
Newnham, David A.;
Espy, Patrick Joseph;
Clilverd, Mark A.;
Rodger, Craig J.;
Seppälä, Annika;
Maxfield, David J.;
Hartogh, Paul;
Straub, Corinne;
Holmén, Kim;
Horne, Richard B..
(2013)
Observations of nitric oxide in the Antarctic middle atmosphere during recurrent geomagnetic storms.
Journal of Geophysical Research (JGR): Space Physics.
volum 118 (12).
Vitenskapelig artikkel
-
Daae, Marianne;
Straub, Corinne;
Espy, Patrick Joseph;
Newnham, David.
(2013)
Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6.
Vitenskapelig artikkel
-
De Wit, Rosmarie Johanna;
Hibbins, Robert;
Espy, Patrick Joseph;
Mitchell, Nick J..
(2013)
Interannual variability of mesopause zonal winds over Ascension Island: Coupling to the stratospheric QBO.
Journal of Geophysical Research (JGR): Atmospheres.
volum 118 (21).
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Espy, Patrick Joseph;
Kleinknecht, Nora;
Hatlen, Morten;
Kaifler, Natalie;
Baumgarten, Gerd.
(2013)
Characteristics and sources of gravity waves observed in NLC over Norway.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 13.
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Hosokawa, Keisuke;
Kleinknecht, Nora;
Espy, Patrick Joseph;
Hibbins, Robert.
(2013)
Planetary wave oscillations observed in ozone and PMSE data from Antarctica.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 105-106.
Vitenskapelig artikkel
-
Demissie, Teferi Dejene;
Kleinknecht, Nora;
Hibbins, Robert;
Espy, Patrick Joseph;
Straub, Corinne.
(2013)
Quasi-16-day period oscillations observed in middle atmospheric ozone and temperature in Antarctica.
Annales Geophysicae.
volum 31 (7).
Vitenskapelig artikkel
-
Straub, Corinne;
Espy, Patrick Joseph;
Hibbins, Robert;
Newnham, David.
(2013)
Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 6.
Vitenskapelig artikkel
-
Straub, Corinne;
Espy, Patrick Joseph;
Hibbins, Robert;
Newnham, David.
(2013)
Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer.
Earth System Science Data.
volum 5.
Vitenskapelig artikkel
-
Daae, Marianne;
Espy, Patrick Joseph;
Tyssøy, Hilde Nesse;
Newnham, David;
Stadsnes, Johan;
Søraas, Finn.
(2012)
The effect of energetic electron precipitation on middle mesospheric night-time ozone during and after a moderate geomagnetic storm.
Geophysical Research Letters.
volum 39 (21).
Vitenskapelig artikkel
-
Espy, Patrick Joseph;
Ochoa, Sara;
Forkman, P;
Murtagh, D;
Stegman, J..
(2011)
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures.
Atmospheric Chemistry and Physics (ACP).
volum 11 (2).
Vitenskapelig artikkel
-
Gardner, CS;
Chu, XZ;
Espy, Patrick Joseph;
Plane, JMC;
Marsh, Daniel R.;
Janches, D.
(2011)
Seasonal variations of the mesospheric Fe layer at Rothera, Antarctica (67.5 degrees S, 68.0 degrees W).
Journal of Geophysical Research (JGR): Atmospheres.
volum 116.
Vitenskapelig artikkel
-
Newnham, David;
Espy, Patrick Joseph;
Clilverd, Mark;
Rodger, Craig J;
Seppala, Annika;
Maxfield, David;
Hartogh, Paul;
Holmén, Kim Johan;
Horne, R.
(2011)
Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere.
Geophysical Research Letters.
volum 38.
Vitenskapelig artikkel
-
Espy, Patrick Joseph;
Ochoa, Sara;
Forkman, Peter;
Murtagh, Donal;
Stegman, Jacek.
(2010)
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures.
Atmospheric Chemistry and Physics Discussions (ACPD).
volum 10 (10).
Vitenskapelig artikkel
-
Chu, XZ;
Yamashita, C;
Espy, Patrick Joseph;
Nott, GJ;
Jensen, EJ;
Liu, HL;
Huang, WT;
Thayer, JP.
(2009)
Responses of polar mesospheric cloud brightness to stratospheric gravity waves at the South Pole and Rothera, Antarctica.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 71 (3-4).
Vitenskapelig artikkel
-
Russell, JM;
Bailey, SM;
Gordley, LL;
Rusch, DW;
Horanyi, M;
Hervig, ME;
Thomas, GE;
Randall, CE;
Siskind, DE;
Stevens, MH;
Summers, ME;
Taylor, MJ;
Englert, CR;
Espy, Patrick Joseph;
McClintock, WE;
Merkel, AW.
(2009)
The Aeronomy of Ice in the Mesosphere (AIM) mission: Overview and early science results.
Journal of Atmospheric and Solar-Terrestrial Physics.
volum 71 (3-4).
Vitenskapelig artikkel
-
Yamashita, C;
Chu, XZ;
Liu, HL;
Espy, Patrick Joseph;
Nott, GJ;
Huang, WT.
(2009)
Stratospheric gravity wave characteristics and seasonal variations observed by lidar at the South Pole and Rothera, Antarctica.
Journal of Geophysical Research (JGR): Atmospheres.
volum 114.
Vitenskapelig artikkel
Del av bok/rapport
-
Blanc, Elisabeth;
Pol, Katy;
Le Pichon, Alexis;
Hauchecorne, Alain;
Keckhut, Philippe;
Baumgarten, Gerd;
Hildebrand, Jens;
Höffner, Josef;
Stober, Gunter;
Hibbins, Robert;
Espy, Patrick Joseph;
Rapp, Markus;
Kaifler, Bernd;
Ceranna, Lars;
Hupe, Patrick;
Hagen, Jonas;
Rüfenacht, Rolf;
Kämpfer, Niklaus;
Smets, Pieter.
(2019)
Middle Atmosphere Variability and Model Uncertainties as Investigated in the Framework of the ARISE Project.
Infrasound Monitoring for Atmospheric Studies: Challenges in Middle Atmosphere Dynamics and Societal Benefits.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hibbins, Robert;
Espy, Patrick Joseph;
De Wit, Rosmarie Johanna.
(2019)
Gravity-Wave Detection in the Mesosphere Using Airglow Spectrometers and Meteor Radars.
Infrasound Monitoring for Atmospheric Studies: Challenges in Middle Atmosphere Dynamics and Societal Benefits.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
-
Ekern, Kjetil Landgraff;
Espy, Patrick Joseph.
(2013)
FYSIKK FORDYPNINGSPROSJEKT VÅR 2013: Climatology of short-period tidal oscillations in the upper atmosphere.
Norges teknisk-naturvitenskapelige universitet. 2013.
Rapport
Undervisning
Emner
Formidling
2023
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Vitenskapelig foredragJia, Jia; Murberg, Lise Eder; Løvset, Tiril; Orsolini, Yvan Joseph Georges Emile G.; Espy, Patrick Joseph; Salinas, Jude; Lee, Jae N.; Wu, Dong; Zhang, Jiarong. (2023) Energetic Particle Precipitation reflected in the Global Secondary Ozone distribution. 86th Annual Conference and Spring Meeting 2023 of the German Physical Society, Extraterrestrial Physics/Near-Earth Space Section . German Physical Society; Dresden. 2023-03-20 - 2023-03-24.
2022
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Vitenskapelig foredragEspy, Patrick Joseph; Murberg, Lise Eder; Løvset, Tiril; Orsolini, Yvan J.. (2022) Particle Precipitation Effects on the Global Secondary Ozone Distribution. 16h International Symposium on Equatorial Aeronomy . ISEA; Kyoto/Online. 2022-09-12 - 2022-09-16.
2021
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Vitenskapelig foredragLimpasuvan, Varavut; Orsolini, Yvan J.; Zhang, Jiarong; Espy, Patrick Joseph; Hibbins, Robert. (2021) Tidal and lower thermospheric mean meridional circulation response to stratospheric warmings. 43rd COSPAR Scientific Assembly . COSPAR; Online. 2021-01-28 - 2021-02-04.
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Vitenskapelig foredragVorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis; Espy, Patrick Joseph. (2021) A vespagram-based approach in application to atmospheric remote sensing. Asia Oceania Geosciences Society (AOGS) Annual Meeting . Asia Oceania Geosciences Society (AOGS); Singapore / Virtual. 2021-08-01 - 2021-08-06.
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Vitenskapelig foredragVorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis; Espy, Patrick Joseph. (2021) A vespagram-based approach to assess microbarom radiation and propagation models. CTBT Science and Technology 2021 Conference . CTBTO; Vienna / Virtual. 2021-05-20 - 2021-06-02.
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Vitenskapelig foredragVorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis; Espy, Patrick Joseph. (2021) Vespagram-based approach for microbarom radiation and propagation model assessment using infrasound recordings. European Geosciences Union General Assembly Symposium 2021 . European Geosciences Union; Vienna / Virtual. 2021-04-19 - 2021-04-30.
2020
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Vitenskapelig foredragNäsholm, Sven Peter; Vorobeva, Ekaterina; Le Pichon, Alexis; Orsolini, Yvan; Turquet, Antoine Leo; Hibbins, Robert; Espy, Patrick Joseph; De Carlo, Marine; Assink, Jelle D.; Rodriguez, Ismael Vera. (2020) Semidiurnal tidal signatures in microbarom infrasound array measurements. EGU General Assembly . European Geosciences Union; Online. 2020-05-04 - 2020-05-08.
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Vitenskapelig foredragVorobeva, Ekaterina; Näsholm, Sven Peter; Espy, Patrick Joseph; Orsolini, Yvan; Hibbins, Robert. (2020) Wind estimates in the mesosphere - lower thermosphere retrieved from infrasound data. EGU General Assembly . European Geosciences Union; Online. 2020-05-04 - 2020-05-08.
2019
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PosterBender, Stefan; Espy, Patrick Joseph. (2019) Middle atmosphere ionization from particle precipitation as observed by the SSUSI satellite instruments. European Geosciences Union Meeting . European Geosciences Union; Vienna. 2019-04-07 - 2019-04-12.
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PosterBlanc, Elisabeth; Hauchecorne, Alain; Keckhut, Philippe; Le Pichon, Alexis; Baumgarten, Gerd; Stober, Gunter; Espy, Patrick Joseph; Hibbins, Robert; Näsholm, Sven Peter; Charlton–Perez, Andrew; Marlton, Graeme; Marchetti, Emanuele; Brachet, Nicolas; Mialle, Pierrick; Ceranna, Lars; Hupe, Patrick; Rapp, Marcus; Kaifler, Bernd; Kero, Johan. (2019) Atmospheric dynamics from near ground to near Earth space: The ARISE project. :European Geosciences Union General Assembly Conference ; Wien. 2019-04-10 - 2019-04-10.
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Vitenskapelig foredragEspy, Patrick Joseph; Knutsen, Elise Wright; Bender, Stefan. (2019) Microwave Radiometer Observations of Mesospheric Ozone Loss over Antarctica Associated with Particle Precipitation. Asia Oceania Geosciences Society . Asia Oceania Geosciences Society; Singapore. 2019-07-28 - 2019-08-02.
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Faglig foredragEspy, Patrick Joseph; Stray, Nora; Hibbins, Robert. (2019) Coupling of mesopause planetary wave energy into the ionosphere. Japan Geoscience Union Meeting . The Japan Geoscience Union; Chiba. 2019-05-26 - 2019-05-30.
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Vitenskapelig foredragEspy, Patrick Joseph; van Caspel, Willem Elias; Hibbins, Robert; Barnes, Robin. (2019) Measuring Planetary Waves and Tides in the MLT at 60°N Using a Longitudinal Array of SuperDARN Meteor Radars. Super Darn Workshop . National Institute of Information and Communications Techno; Fujiyoshida. 2019-06-02 - 2019-06-07.
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PosterLe Pichon, Alexis; De Carlo, Marine; Vergoz, Julien; Näsholm, Sven Peter; Espy, Patrick Joseph; Hibbins, Robert; Kero, Johan. (2019) Characterizing middle atmosphere variability using ocean ambient noise as recorded by a regional infrasound network. : European Geosciences Union General Assembly Conference . EGU; Wien. 2019-05-03 - 2019-05-08.
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Vitenskapelig foredragLimpasuvan, Varavut; Orsolini, Yvan; Espy, Patrick Joseph; Hibbins, Robert. (2019) Semidiurnal Tidal Perturbations During SSW in SuperDARN and WACCM. 16th Annual Meeting of the AOGS ; 2019-07-28 - 2019-08-02.
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Postervan Caspel, Willem Elias; Espy, Patrick Joseph; Hibbins, Robert; McCormack, John. (2019) Measuring Planetary Waves and Tides in the MLT at 60°N Using a Longitudinal Array of SuperDARN Radars. European Geophysical Union . European Geophysical Union; Vienna. 2019-04-07 - 2019-04-12.
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PosterZhang, Jiarong; Limpasuvan, Var; Orsolini, Yvan; Espy, Patrick Joseph; Hibbins, Robert. (2019) Semidiurnal Tidal Perturbations during SSW in SuperDARN and WACCM-X. American Geophysical Union Fall Meeting ; San Francisco. 2019-12-09 - 2019-12-13.
2018
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PosterEspy, Patrick Joseph; Hibbins, Robert; Orsolini, Yvan; Limpasuvan, Varavut. (2018) Observations of SuperDARN global tides in the MLT and their response to sudden stratospheric warming events. 42nd COSPAR Scientific Assembly ; Pasadena, California. 2018-07-14 - 2018-07-22.
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PosterHibbins, Robert; Espy, Patrick Joseph; Orsolini, Yvan; Limpasuvan, Varavut. (2018) Observations of SuperDARN global tides in the MLT and their response to sudden stratospheric warming events. 15th Annual Meeting of the Asia-Oceania Geosciences Society . AOGS; Honolulu, Hawaii. 2018-06-03 - 2018-06-08.
2017
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Vitenskapelig foredragEspy, Patrick Joseph; Hibbins, Robert; Stray, Nora; Barnes, Robin. (2017) Large-scale dynamics derived from a longitudinal chain of northern hemisphere SuperDARN radars. joint meeting of the Japanese Geoscience Union and American Geophysical Union . Japanese Geoscience Union; Chiba-Makuhari. 2017-05-20 - 2017-05-25.
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Vitenskapelig foredragEspy, Patrick Joseph; Lund, Harald; Hibbins, Robert. (2017) Diurnal variability of OH* at high latitudes. the 7th Network for the detection of mesospheric change (NDMC) symposium . German Space Agency/ World Data Centre; Hammersbach. 2017-05-15 - 2017-05-18.
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PosterFranzen, Christoph; Espy, Patrick Joseph; Hibbins, Robert; Djupvik, AA. (2017) Very high resolution observations of waves in the OH airglow at low latitudes. EGU General Assembly 2017 ; 2017-04-23 - 2017-04-28.
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Vitenskapelig foredragHibbins, Robert; Espy, Patrick Joseph. (2017) Semidiurnal tidal variability derived from a longitudinal chain of Northern Hemisphere SuperDARN radars. third Atmospheric dynamics Research InfraStructure in Europe II (ARISE II) workshop . Czech Academy of Science/EU-H2020; Prague. 2017-03-06 - 2017-03-10.
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PosterHibbins, Robert; Espy, Patrick Joseph; Orsolini, Yvan; Limpasuvan, Varavut; Stray, Nora; Barnes, Robin J.. (2017) Semidiurnal tidal variability derived from a longitudinal chain of northern hemisphere SuperDARN radars. EGU General Assembly 2017 ; Vienna. 2017-04-23 - 2017-04-28.
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Faglig foredragStray, Nora; Espy, Patrick Joseph; Hibbins, Robert. (2017) Planetary waves in the ionosphere – Ground-based satellite of ionosondes. EGU General Assembly 2017 ; 2017-04-23 - 2017-04-28.
2016
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PosterFranzen, Christoph; Espy, Patrick Joseph; Hibbins, Robert Edward; Djupvik, AA. (2016) Single vs multi-level quenching of the hydroxyl airglow. European Geosciences Union General Assembly . European Geosciences Union; Vienna. 2016-04-17 - 2016-04-22.
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PosterHibbins, Robert Edward; Espy, Patrick Joseph. (2016) Does Energetic Particle Precipitation affect the dynamics of the southern hemisphere MLT?. European Geosciences Union General Assembly . European Geosciences Union; Vienna. 2016-04-17 - 2016-04-22.
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PosterZawedde, Annet Eva; Tyssøy, Hilde Nesse; Hibbins, Robert; Espy, Patrick Joseph; Ødegaard, Linn-Kristine Glesnes; Sandanger, Marit Irene J.; Stadsnes, Johan. (2016) The impact of Energetic Electron Precipitation on Mesospheric Hydroxyl During a Year of Solar Minimum. 6th international HEPPA-SOLARIS workshop ; 2016-06-13 - 2016-06-17.
2015
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Faglig foredragDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph; Janches, D; Fritts, D. C.. (2015) Vertical Coupling: Quantifying the Influence of Lower Atmospheric Wind Variability on Mesosphere and Lower Thermosphere Gravity Wave Forcing. American Geophysical Union Meeting 2015 . American Geophysical Union; San Francisco, CA. 2015-12-14 - 2015-12-18.
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Faglig foredragEspy, Patrick Joseph; De Wit, Rosmarie Johanna; Hibbins, Robert; Hennum, Endre Asheim. (2015) Hydroxyl airglow temperature behaviour during Sudden Stratospheric Warming events. Asia Oceania Geosciences Society Meeting 2015 . Asia Oceania Geosciences Society; Singapore. 2015-08-02 - 2015-08-07.
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Faglig foredragEspy, Patrick Joseph; Stray, Nora; Hibbins, Robert. (2015) Simultaneous observation of planetary waves in the mesosphere and ionosphere. Japan Geoscience Union Meeting 2015 . Japan Geoscience Union; Chiba-city. 2015-05-24 - 2015-05-28.
2014
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Faglig foredragDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph. (2014) GW momentum flux during disturbed and undisturbed polar vortex conditions. 14th International Workshop on Techical and Scientific Aspects of MST Radar . INPE; Sao Jose dos Campos. 2014-05-25 - 2014-05-31.
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PosterDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph; Hennum, Endre Asheim. (2014) The Effect of Polar Vortex Disturbacnes on Mesopause Gravity Wave Drag. AGU Fall Meeting ; 2014-12-15 - 2014-12-19.
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Faglig foredragEspy, Patrick Joseph; Hibbins, Robert; De Wit, Rosmarie Johanna. (2014) Coupling Of The 27-Day Solar Rotation Cycle Between the Ionosphere and Mesosphere. Asia Oceania Geosciences Society Annual Meeting . Asia Oceania Geosciences Society; Sapporo. 2014-07-28 - 2014-08-01.
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Faglig foredragEspy, Patrick Joseph; Stray, Nora Henriette; Hibbins, Robert. (2014) Quasi-Stationary Planetary Wave in the MLT During Summer. AGU Fall meeting . American Geophysical Union; San Francisco, CA. 2014-12-15 - 2014-12-19.
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PosterKleinknecht, Nora Henriette; Espy, Patrick Joseph; Hibbins, Robert. (2014) Coupling of Planetary wave activity from the MLT into the Ionosphere. Asia Oceania Geosciences Society -11th annual Meeting ; 2014-07-28 - 2014-08-01.
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Vitenskapelig foredragKleinknecht, Nora Henriette; Espy, Patrick Joseph; Hibbins, Robert. (2014) Zonal wave number 1 and 2 mesospheric waves from meteor winds using SuperDARN. SuperDARN workshop ; Longyearbyen, Svalbard. 2014-05-25 - 2014-05-30.
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Faglig foredragStray, Nora Henriette; De Wit, Rosmarie Johanna; Espy, Patrick Joseph; Hibbins, Robert. (2014) Observational Evidence for Temporary Planetary-Wave Forcing of the MLT during Fall Equinox. AGU Fall meeting . American Geophysical Union; San Francisco, CA. 2014-12-15 - 2014-12-19.
2013
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Vitenskapelig foredragDaae, Marianne; Espy, Patrick Joseph; Tyssøy, Hilde Nesse. (2013) Correlation between mesospheric ozone and Energetic Particle Precipitation over Troll, Antarctica in the years 2008 and 2009. IAGA 2013 . IAGA; Yucatan. 2013-08-26 - 2013-08-31.
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PosterDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph. (2013) Gravity wave momentum flux variability in the high latitude northern hemisphere winter mesosphere/lower thermosphere. European Geophysical Union . European Geophysical Union; Vienna. 2013-04-07 - 2013-04-12.
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PosterDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph; Orsolini, Yvan; Limpasuvan, Varavut. (2013) Gravity wave forcing of the MLT region during the January 2013 stratospheric sudden warming: A vertical view of the atmosphere at 63°N. AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013 . AGU; San Francisco. 2013-12-09 - 2013-12-13.
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Faglig foredragDe Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph; Orsolini, Yvan; Limpasuvan, Varavut. (2013) Gravity wave momentum flux variability in the mesopause region during the 2013 major Sudden Stratospheric Warming. Layerd Phenomena in the Mesopause Region (LPMR) . University of Leeds/IUGG; Leeds. 2013-07-29 - 2013-08-01.
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IntervjuEikeseth, Unni; Langva, Mari; De Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph. (2013) Stjerneskot gir betre vervarsel. http://www.forskning.no/artikler/2013/februar/349353 [Internett]. 2013-02-23.
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IntervjuEikeseth, Unni; Langva, Mari; Espy, Patrick Joseph; Hibbins, Robert; De Wit, Rosmarie Johanna. (2013) Stjerneskot gir betre vêrvarselØrsmå meteorar som brenn opp 90 kilometer over bakken gir forskarane ny innsikt i vêret. http://www.nrk.no/viten/stjerneskot-gir-betre-vervarsel-1.10 [Internett]. 2013-02-21.
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IntervjuEikeseth, Unni; Langva, Mari; Hibbins, Robert; De Wit, Rosmarie Johanna; Espy, Patrick Joseph. (2013) Meteors can aid weather forecasts. http://sciencenordic.com/meteors-can-aid-weather-forecasts [Internett]. 2013-02-28.
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Faglig foredragEspy, Patrick Joseph; Demissie, Teferi Dejene; Hatlen, Morten; Hibbins, Robert; De Wit, Rosmarie Johanna; Swenson, Gary; Vargas, Fabio. (2013) A multiple instrument study to differentiate primary versus secondary gravity-wave generation in the mesosphere. European Geophysical Union meeting . European Geophysical Union; Vienna. 2013-04-07 - 2013-04-12.
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ProgramdeltagelseEspy, Patrick Joseph; Hibbins, Robert; De Wit, Rosmarie Johanna; Alvestad, Per Olav. (2013) Schrødingers Katt-Stjerneskudd varsler vær. http://www.nrk.no/viten/stjerneskot-gir-betre-vervarsel-1.10 [TV]. 2013-02-21.
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IntervjuEspy, Patrick Joseph; Hibbins, Robert; De Wit, Rosmarie Johanna; Rapp, Ole Magnus. (2013) Meteorittenes-hale-varsler-varet-som-snart-kommer. www.aftenposten.no/nyheter/iriks/7128163.html#.UrMY1eJ0mSp [Avis]. 2013-02-21.
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PosterHibbins, Robert; De Wit, Rosmarie Johanna; Espy, Patrick Joseph; Kolnes, Nils Henrik; Svennevik, Magnus; Swenson, Gary; Vargas, Fabio. (2013) Comparison of gravity wave momentum flux observed by meteor radar and airglow imager. European Geophysical Union . European Geophysical Union; Vienna. 2013-04-07 - 2013-04-12.
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PosterKleinknecht, Nora; Espy, Patrick Joseph; Hibbins, Robert. (2013) Planetary wave activity in the PMSE/PMC region using multiple SuperDARN radars. Layered Phenomena in the Mesopause Region (LPMR) Conference . University of Leeds; Leeds. 2013-07-28 - 2013-08-01.
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PosterKleinknecht, Nora; Orsolini, Yvan; Espy, Patrick Joseph; Hibbins, Robert; Limpasuvan, Varavut. (2013) Planetary wave 1 and 2 activity in MLT during stratospheric warmings from a chain of SuperDARN radars and WACCM. AGU 2013 Fall Meeting . American Geophysical Union; San Francisco. 2013-12-09 - 2013-12-13.
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Vitenskapelig foredragRønning, Snorre Stavik; Bakken, Marianne; Birkeland, Roger; Espy, Patrick Joseph; Hibbins, Robert. (2013) OPTIMIZING AN INFRARED CAMERA FOR OBSERVATION OF ATMOSPHERIC GRAVITY WAVES FROM A CUBESAT PLATFORM. 64th International Astronautical Congress . International Astronautical Federation; Beijing. 2013-09-23 - 2013-09-28.
2012
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Vitenskapelig foredragKleinknecht, Nora; Espy, Patrick Joseph; Newnham, David; Hartogh, Paul; Holmén, Kim; Christensen, Ole Martin. (2012) Planetary Wave Oscillations Observed in Ozone from Troll Station Antartica. Asia Ociana Geosciences Society congr3ss . Asia Ociana Geosciences Society; Singapore. 2012-08-13 - 2012-08-17.
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Vitenskapelig foredragEspy, Patrick Joseph; Daae, Marianne; Chapana, Randi; Hibbins, Robert; Newnham, David. (2012) Extra-Terrestrial Forcing on Winds, Temperature and Composition in the Earth’s Middle Atmosphere and Lower Ionosphere. Asia Ociana Geosciences Society congress . Asia Ociana Geosciences Society; Singapore. 2012-08-13 - 2012-08-17.
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Vitenskapelig foredragEspy, Patrick Joseph; Demissie, Teferi Dejene; Kleinknecht, Nora; Newnham, David. (2012) The Source Region for Planetary Waves Observed in PMC and PMSE. Asia Ociana Geosciences Society . Asia Ociana Geosciences Society; Singapore. 2012-08-13 - 2012-08-17.
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PosterKleinknecht, Nora; Espy, Patrick Joseph; Hibbins, Robert. (2012) New Technique to Determine Planetary Wave Components Using a Chain of SuperDARN Radars. AOGS - AGU (WPGM) Joint Assembly . Asia Oceania Geosciences Society; Singapore. 2012-08-13.
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Vitenskapelig foredragRønning, Snorre Stavik; Bakken, Marianne; Birkeland, Roger; Espy, Patrick Joseph; Hibbins, Robert; Ramstad, Tor Audun. (2012) Observation of Gravity Waves From a Small Satellite by Means of an Infrared Camera. 4th European CubeSat Symposium . von Karman Institute for Fluid Dynamics; Brussel. 2012-01-31 - 2012-02-01.
2011
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Vitenskapelig foredragDaae, Marianne; Espy, Patrick Joseph; Lisa, M. S. N.; Nesse Tyssøy, Hilde; Søraas, Finn; Stadsnes, Johan; Rodger, Craig J; Newnham, David. (2011) The effect of radiation belt particles on middle atmospheric nighttime ozone during enhanced geomagnetic activity. XXV IUGG GEneral Assembly . IUGG; Melbourne. 2011-06-28 - 2011-07-07.
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Vitenskapelig foredragDaae, Marianne; Espy, Patrick Joseph; Lisa, M.K.N.; Sørås, Finn; Newnham, David. (2011) Ground-based and satellite observations of ozone loss over Antarctica during moderate geomagnetic activity. High Energy Particle Precipitation in the Atmosphere . International Association of Geomagnetism and Aeronomy; Granada. 2011-05-09 - 2011-05-11.
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Vitenskapelig foredragDaae, Marianne; Espy, Patrick Joseph; Søraas, Finn; Newnham, David. (2011) The effect of radiation belt particles on middle atmospheric night time ozone during enhanced geomagnetic activity. IUGG ; Melbourne. 2011-07-27 - 2011-08-07.
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Vitenskapelig foredragDemissie, Teferi Dejene; Espy, Patrick Joseph; Hosokawa, Keisuke. (2011) Relationship of Polar Mesospheric Summer Echoes and Ozone in middle and upper atmosphere. European Geophysical Union General Assembly . European Geophysical Union; Vienna. 2011-04-03 - 2011-04-08.
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Vitenskapelig foredragEspy, Patrick Joseph; Daae, Marianne; Hibbins, Robert; Newnham, David; Sørås, Finn. (2011) Atmospheric effects of radiation belt precipitation over Antarctica. International Union of Geodesy and Geophysics General Assembly . International Union of Geodesy and Geophysics; Melbourne. 2011-06-28 - 2011-07-07.
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Vitenskapelig foredragEspy, Patrick Joseph; Demissie, Teferi Dejene; Lund, Harald; Hibbins, Robert. (2011) Climatology of mesospheric gravity waves and their sources above Rothera, Antarctica. AGU Chapman Conference on Atmospheric Gravity Waves and Their Effects on General Circulation and Climate . American Geophysical Union; Honolulu. 2011-02-28 - 2011-03-04.
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IntervjuMeland, Svein Inge; Espy, Patrick Joseph. (2011) Radar «leser» stjerneskudd. Adresseavisen [Avis]. 2011-08-16.
2010
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Vitenskapelig foredragBittner, Michael; Espy, Patrick Joseph; French, John; Höppner, Kathrin; Sheer, Jürgen; Taylor, Michael. (2010) The Network for the Detection of Mesopause Change (NDMC). 38th COSPAR Scientific Assembly . COSPAR; Bremen. 2010-07-18 - 2010-07-25.
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PosterDaae, Marianne; Espy, Patrick Joseph; Kleinknecht, Nora; Newnham, David; Clilverd, Mark. (2010) The effect of precipitating particles on middle atmospheric night time ozone during enhanced geomagnetic activity. Fall AGU Conference . American Geophysical Union; San Francisco. 2010-12-13 - 2010-12-17.
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Vitenskapelig foredragDaae, Marianne; Kleinknecht, Nora; Espy, Patrick Joseph; Clilverd, Mark. (2010) Effect of precipitating electrons on middle atmospheric ozone during enhanced geomagnetic activity. 38th COSPAR Scientific Assembly . COSPAR; Bremen. 2010-07-18 - 2010-07-25.
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Populærvitenskapelig foredragEspy, Patrick Joseph. (2010) Vulkansk aske i atmosfæren. Kunnskapsbyen . NTNU; Dokkhuset, Trondheim. 2010-09-16.
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PosterEspy, Patrick Joseph; Daae, Marianne; Shprits, Yuri. (2010) Reanalysis of Radiation Belt Electron Phase Space Density using the UCLA 1-D VERB code and Kalman filtering: Correlation between the inner edge of the outer radiation belt phase space density and the plasmapause location. Fall AGU Conference . American Geophysical Union; San Francisco. 2010-12-13 - 2010-12-17.
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Vitenskapelig foredragNewnham, David; Espy, Patrick Joseph; Clilverd, Mark; Roger, Craig; Seppala, Annika; Maxfield, David; Hartogh, Paul. (2010) Mesospheric nitric oxide (NO) enhancements above Troll Station, Antarctica during March-May 2008. 38th COSPAR Scientific Assembly . COSPAR; Bremen. 2010-07-18 - 2010-07-25.
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PosterTan, B; Chu, X; Liu, H; Yamashita, C; Harvey, V; Gardner, C.; Espy, Patrick Joseph. (2010) Comparative study of stratopause at the South Pole and Rothera. Fall AGU Conference . American Geophysical Union; San Francisco. 2010-12-13 - 2010-12-17.
2009
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IntervjuOkkenhaug, Knut; Espy, Patrick Joseph. (2009) Når himmelen spiller lysorgel. Ukeadressa (Adresseavisen) [Avis]. 2009-12-24.
2008
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Vitenskapelig foredragEspy, Patrick Joseph; Clilverd, Mark; Hartog, Paul; Holmen, Kim. (2008) A Microwave Radiometer for the Remote Sensing of Nitric Oxide and Ozone in the Middle Atmosphere. AOGS Genearl Assembly . Asia Oceania Geosciences Society; Busan. 2008-06-16 - 2008-06-20.
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Vitenskapelig foredragEspy, Patrick Joseph; Hartog, Paul; Clilverd, Mark; Holmen, Kim. (2008) Ground based remote sensing of nitric oxide and ozone in the Antarctic middle atmosphere. COSPAR 37th Scientific Assembly . COMMITTEE ON SPACE RESEARCH; Montreal. 2008-07-13 - 2008-07-20.
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Vitenskapelig foredragEspy, Patrick Joseph; Neubert, Torsten. (2008) A nitric oxide photometer for ASIM. Workshop on Coupling of Thunderstorms and Lightning Discharges to Near-Earth Space . ESA, CNRS, CNES, NSF, Belgian Institute for Space Aeronomy; University of Corsica, Corte. 2008-06-23 - 2008-06-27.