Items where NERC Author is "Espy, Patrick"

Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Espy, Patrick J.; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Rodger, Craig J.; Seppala, Annika; Maxfield, David J.; Straub, Corinne; Holmén, Kim; Horne, Richard B. ORCID: https://orcid.org/0000-0002-0412-6407. 2013 Observations of nitric oxide in the Antarctic middle atmosphere during recurrent geomagnetic storms. Journal of Geophysical Research: Space Physics, 118 (12). 7874-7885. 10.1002/2013JA019056

Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Espy, P.J.; Jarvis, M.J.. 2007 Quasi-biennial modulation of the semidiurnal tide in the upper mesosphere above Halley, Antarctica. Geophysical Research Letters, 34 (21), L21804. 4, pp. 10.1029/2007GL031282

Herron, Joshua P.; Wickwar, Vincent B.; Espy, Patrick J.; Meriwether, John W.. 2007 Observations of a noctilucent cloud above Logan, Utah (41.7oN, 111.8oW) in 1995. Journal of Geophysical Research, 112 (D19), D19203. 12, pp. 10.1029/2006JD007158

Espy, Patrick J.. 2007 Polar meltdown. Space: UK, 22. 8-10.

Espy, Patrick J.; Stegman, J.; Forkman, P.; Murtagh, D.. 2007 Seasonal variation in the correlation of airglow temperature and emission rate. Geophysical Research Letters, 34 (17), L17802. 4, pp. 10.1029/2007GL031034

Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Espy, P.J.; Jarvis, M.J.; Riggin, D.M.; Fritts, D.C.. 2007 A climatology of tides and gravity wave variance in the MLT above Rothera, Antarctica obtained by MF radar. Journal of Atmospheric and Solar-Terrestrial Physics, 69 (4-5). 578-588. 10.1016/j.jastp.2006.10.009

Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Espy, P.J.; Jarvis, M.J.. 2006 Mean winds and tides in the mesosphere and lower thermosphere above Halley, Antarctica. Journal of Atmospheric and Solar-Terrestrial Physics, 68 (3-5). 436-444. 10.1016/j.jastp.2005.02.030

Chu, Xinzhao; Espy, Patrick J.; Nottingham, Graeme J.; Diettrich, Jan C.; Gardner, Chester S.. 2006 Polar mesospheric clouds observed by an iron Boltzmann lidar at Rothera (67.5°S, 68.0°W), Antarctica from 2002 to 2005: properties and implications. Journal of Geophysical Research, 111 (D20), D20213. 19, pp. 10.1029/2006JD007086

Espy, P.J.; Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Swenson, G.R.; Tang, J.; Taylor, M.J.; Riggin, D.M.; Fritts, D.C.. 2006 Regional variations of mesospheric gravity-wave momentum flux over Antarctica. Annales Geophysicae, 24 (1). 81-88. 10.5194/angeo-24-81-2006

Diettrich, Jan C.; Nott, Graeme J.; Espy, Patrick J.; Chu, Xinzhao; Riggin, Dennis M.. 2006 Statistics of sporadic iron and relation to atmospheric dynamics. Journal of Atmospheric and Solar-Terrestrial Physics, 68 (1). 102-113. 10.1016/j.jastp.2005.08.008

Espy, Patrick J.; Hartogh, Paul; Holmén, Kim. 2006 A microwave radiometer for the remote sensing of nitric oxide and ozone in the middle atmosphere. Proceedings of SPIE, 6362 (Remote Sensing o). 9, pp. 10.1117/12.688953

Palo, S.E.; Forbes, J.M.; Zhang, X.; Russell, J.M.; Mertens, C.J.; Mlynczak, M.G.; Burns, G.B.; Espy, P.J.; Kawahara, T.D.. 2005 Planetary wave coupling from the stratosphere to the thermosphere during the 2002 Southern Hemisphere pre-stratwarm period. Geophysical Research Letters, 32 (23), L23809. 5, pp. 10.1029/2005GL024298

Espy, P.J.; Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Riggin, D.M.; Fritts, D.C.. 2005 Mesospheric planetary waves over Antarctica during 2002. Geophysical Research Letters, 32 (21), L21804. 4, pp. 10.1029/2005GL023886

French, W. John R.; Burns, Gary B.; Espy, Patrick J.. 2005 Anomalous winter hydroxyl temperatures at 69°S during 2002 in a multiyear context. Geophysical Research Letters, 32 (12), L12818. 4, pp. 10.1029/2004GL022287

Diettrich, J.C.; Nott, G.J.; Espy, P.J.; Swenson, G.R.; Chu, X.; Taylor, M.J.; Riggin, D.M.; Fritts, D.C.. 2005 High frequency atmospheric gravity-wave properties using Fe-lidar and OH-imager observations. Geophysical Research Letters, 32 (10), L09801. 4, pp. 10.1029/2004GL021944

Siskind, D.E.; Coy, L.; Espy, P.. 2005 Observations of stratospheric warmings and mesospheric coolings by the TIMED SABER instrument. Geophysical Research Letters, 32 (9), L09804. 4, pp. 10.1029/2005GL022399

Forkman, Peter; Eriksson, Patrick; Murtagh, Donal; Espy, Patrick. 2005 Observing the vertical branch of the mesospheric circulation at latitude 60°N using ground-based measurements of CO and H2O. Journal of Geophysical Research, 110 (D5), D05107. 11, pp. 10.1029/2004JD004916

Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Shanklin, J.D.; Espy, P.J.; Jarvis, M.J.; Riggin, D.M.; Fritts, D.C.; Lubken, F.-J.. 2005 Seasonal variations in the horizontal wind structure from 0-100 km above Rothera station, Antarctica (67° S, 68° W). Atmospheric Chemistry and Physics, 5 (11). 2973-2980. 10.5194/acp-5-2973-2005

Chu, Xinzhao; Nott, Graeme J.; Espy, Patrick J.; Gardner, Chester S.; Diettrich, Jan C.; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Jarvis, Martin J.. 2004 Lidar observations of polar mesospheric clouds at Rothera, Antarctica (67.5 degrees S, 68.0 degrees W). Geophysical Research Letters, 31 (2), L02114. 5, pp. 10.1029/2003GL018638

Shepherd, M.G.; Rochon, Y.J.; Offermann, D.; Donner, M.; Espy, P.J.. 2004 Longitudinal variability of mesospheric temperatures during equinox at middle and high latitudes. Journal of Atmospheric and Solar-Terrestrial Physics, 66 (6-9). 463-479. 10.1016/j.jastp.2004.01.036

Singer, W.; Bremer, J.; Weiß, J.; Hocking, W.K.; Höffner, J.; Donner, M.; Espy, P.. 2004 Meteor radar observations at middle and Arctic latitudes. Part 1: Mean temperatures. Journal of Atmospheric and Solar-Terrestrial Physics, 66 (6-9). 607-616. 10.1016/j.jastp.2004.01.012

Espy, P.J.; Jones, G.O.L.; Swenson, G.R.; Tang, J.; Taylor, M.J.. 2004 Seasonal variations of the gravity wave momentum flux in the Antarctic mesosphere and lower thermosphere. Journal of Geophysical Research, 109 (D23), D23109. 9, pp. 10.1029/2003JD004446

Espy, P.J.; Jones, G.O.L.; Swenson, G.R.; Tang, J.; Taylor, M.J.. 2004 Tidal modulation of the gravity-wave momentum flux in the Antarctic mesosphere. Geophysical Research Letters, 31 (11), L11111. 4, pp. 10.1029/2004GL019624

Espy, P.J.; Jutt, H.. 2002 Equilibrium temperature of water-ice aerosols in the high-latitude summer mesosphere. Journal of Atmospheric and Solar-Terrestrial Physics, 64 (17). 1823-1832. 10.1016/S1364-6826(02)00191-8

Shepherd, M.G.; Espy, P.J.; She, C.Y.; Hocking, W.; Keckhut, P.; Gavrilyeva, G.; Shepherd, G.G.; Naujokat, B.. 2002 Springtime transition in upper mesospheric temperature in the northern hemisphere. Journal of Atmospheric and Solar-Terrestrial Physics, 64 (8-11). 1183-1199. 10.1016/S1364-6826(02)00068-8

Manson, A.H.; Meek, C.E.; Stegman, J.; Espy, P.J.; Roble, R.G.; Hall, C.M.; Hoffmann, P.; Jacobi, Ch.. 2002 Springtime transitions in mesopause airglow and dynamics: photometer and MF radar observations in the Scandinavian and Canadian sectors. Journal of Atmospheric and Solar-Terrestrial Physics, 64 (8-11). 1131-1146. 10.1016/S1364-6826(02)00064-0

Espy, P.J.; Stegman, J.. 2002 Trends and variability of mesospheric temperature at high-latitudes. Physics and Chemistry of the Earth, 27 (6-8). 543-553. 10.1016/S1474-7065(02)00036-0

Mlynczak, M.G.; Morgan, F.; Yee, J.-H.; Espy, P.; Murtagh, D.; Marshall, B.; Schmidlin, F.. 2001 Simultaneous measurements of the O2(¹Δ) and O2(¹Σ) Airglows and ozone in the daytime mesosphere. Geophysical Research Letters, 28 (6). 999-1002. 10.1029/2000GL012423