Items where NERC Author is "Newnham, David"

Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Clark, William D.J.; Kosch, Michael; Verronen, Pekka T.; Rogers, Alan E.E.. 2022 Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere. Atmospheric Measurement Techniques, 15 (8). 2361-2376. https://doi.org/10.5194/amt-15-2361-2022

Newnham, D.A. ORCID: https://orcid.org/0000-0001-8422-1289; Rodger, C.J.; Marsh, D.R.; Hervig, M.E.; Clilverd, M.A. ORCID: https://orcid.org/0000-0002-7388-1529. 2020 Spatial distributions of nitric oxide in the Antarctic winter‐time middle atmosphere during geomagnetic storms. Journal of Geophysical Research: Space Physics, 125 (7), e2020JA027846. 17, pp. https://doi.org/10.1029/2020JA027846

Macotela, Edith L.; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Manninen, Jyrki; Thomson, Neil R.; Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Raita, Tero. 2019 The effect of ozone shadowing on the D region ionosphere during sunrise. Journal of Geophysical Research: Space Physics, 124 (5). 3729-3742. https://doi.org/10.1029/2018JA026415

Newnham, David ORCID: https://orcid.org/0000-0001-8422-1289; Clilverd, Mark ORCID: https://orcid.org/0000-0002-7388-1529; Kosch, Michael; Verronen, Pekka T. 2019 Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere. Atmospheric Measurement Techniques, 12 (2). 1375-1392. https://doi.org/10.5194/amt-12-1375-2019

Macotela, Edith L; Clilverd, Mark ORCID: https://orcid.org/0000-0002-7388-1529; Manninen, Jyrki; Moffat-Griffin, Tracy ORCID: https://orcid.org/0000-0002-9670-6715; Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Raita, Tero; Rodger, Craig J. 2019 D-region high latitude forcing factors. Journal of Geophysical Research: Space Physics, 124 (1). 765-781. https://doi.org/10.1029/2018JA026049

Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Rodger, C.J.; Hendrickx, K.; Megner, L.; Kavanagh, Andrew J. ORCID: https://orcid.org/0000-0001-7360-7039; Seppälä, A.; Verronen, P.T.; Andersson, M.E.; Marsh, D.R.; Kovács, T.; Feng, W.; Plane, J.M.C.. 2018 Observations and modelling of increased nitric oxide in the Antarctic polar middle atmosphere associated with geomagnetic storm driven energetic electron precipitation. Journal of Geophysical Research: Space Physics, 123 (7). 6009-6025. https://doi.org/10.1029/2018JA025507

Turner, Emma C.; Withington, Stafford; Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Wadhams, Peter; Jones, Anna E. ORCID: https://orcid.org/0000-0002-2040-4841; Clancy, Robin. 2016 Simulation of sub-millimetre atmospheric spectra for characterizing potential ground-based remote sensing observations. Atmospheric Measurement Techniques, 9. 5461-5485. https://doi.org/10.5194/amt-9-5461-2016

Kovács, Tamás; Plane, John M. C.; Feng, Wuhu; Nagy, Tibor; Chipperfield, Martyn P.; Verronen, Pekka T.; Andersson, Monika E.; Newnham, David A. ORCID: https://orcid.org/0000-0001-8422-1289; Clilverd, Mark A. ORCID: https://orcid.org/0000-0002-7388-1529; Marsh, Daniel R.. 2016 D-region ion–neutral coupled chemistry (Sodankylä Ion Chemistry, SIC) within the Whole Atmosphere Community Climate Model (WACCM 4) – WACCM-SIC and WACCM-rSIC. Geoscientific Model Development, 9 (9). 3123-3136. https://doi.org/10.5194/gmd-9-3123-2016

Newnham, D.A. ORCID: https://orcid.org/0000-0001-8422-1289; Ford, G.P.; Moffat-Griffin, T.A. ORCID: https://orcid.org/0000-0002-9670-6715; Pumphrey, H.C.. 2016 Simulation study for measurement of horizontal wind profiles in the polar stratosphere and mesosphere using ground-based observations of ozone and carbon monoxide lines in the 230–250 GHz region. Atmospheric Measurement Techniques, 9 (7). 3309-3323. https://doi.org/10.5194/amt-9-3309-2016

Seppälä, A.; Clilverd, M. A. ORCID: https://orcid.org/0000-0002-7388-1529; Beharrell, M. J.; Rodger, C. J.; Verronen, P. T.; Andersson, M. E.; Newnham, D. A. ORCID: https://orcid.org/0000-0001-8422-1289. 2015 Substorm-induced energetic electron precipitation: Impact on atmospheric chemistry. Geophysical Research Letters, 42 (19). 8172-8176. https://doi.org/10.1002/2015GL065523

Daae, M.; Straub, C.; Espy, P. J.; Newnham, D. A. ORCID: https://orcid.org/0000-0001-8422-1289. 2014 Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer. Earth System Science Data, 6 (1). 105-115. https://doi.org/10.5194/essd-6-105-2014

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. https://doi.org/10.1002/2013JA019056

Straub, C.; Espy, P. J.; Hibbins, R. E.; Newnham, D. A. ORCID: https://orcid.org/0000-0001-8422-1289. 2013 Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer. Earth System Science Data, 5 (1). 199-208. https://doi.org/10.5194/essd-5-199-2013

Daae, M.; Espy, P.; Nesse Tyssøy, H.; Newnham, D. ORCID: https://orcid.org/0000-0001-8422-1289; Stadsnes, J.; Søraas, F.. 2012 The effect of energetic electron precipitation on middle mesospheric night-time ozone during and after a moderate geomagnetic storm. Geophysical Research Letters, 39, L21811. 5, pp. https://doi.org/10.1029/2012GL053787

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.; Seppälä, Annika; Maxfield, David J.; Hartogh, Paul; Holmén, Kim; Horne, Richard B. ORCID: https://orcid.org/0000-0002-0412-6407. 2011 Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere. Geophysical Research Letters, 38 (20), L20104. 5, pp. https://doi.org/10.1029/2011GL048666