Ian Cohen Print


  81637

  Ian.Cohen@jhuapl.edu

: SES

:   Space Physicist

:  Heliophysics, Planetary

  MMS, EIS

 
2015, Ph.D. in Physics, University of New Hampshire
2010, B.A. in Astronomy & Physics, Boston University

My research interests focus on experimental space physics, specifically magnetospheric and plasma physics; magnetosphere-iononsphere coupling (including ion outflow, auroral dynamics, and ionospheric feedback); energetic particle dynamics; and plasma and energetic particle instrumentation.

 
AGU Index Category AGU Index Sub-Category
SPACE PLASMA PHYSICS Instruments and techniques
SPACE PLASMA PHYSICS Charged particle motion and acceleration
SPACE WEATHER Magnetic storms
SPACE PLASMA PHYSICS Particle acceleration
:
2016 - Present
Senior Professional Staff, JHU/APL
2015 - 2016
Postdoctoral Fellow, JHU/APL
2015 - 2015
Postdoctoral Research Assistant, UNH
2010 - 2015
Graduate Research Assistant, UNH
2010 - 2015
Observatory Manager, UNH
2007 - 2010
Planetarium and Observatory Staff, Museum of Science, Boston
2006 - 2010
Undergraduate Research Assistant, Boston University
2014 - Present
Member of Scientist Network, NSF Aurorasaurus Project
2013 - Present
Member, American Astronomical Society (AAS) Solar Physics Division (SPD) Public Policy Committee
2013 - 2015
Student Representative, NSF Geospace Environment Modeling (GEM) Steering Committee
2013: NASA Student Ambassador
2011-2013: Graduate Student Researchers Program (GSRP) fellowship, NASA Goddard Space Flight Center
:
The following publication information was downloaded from http://www.researcherId.com/rid/K-3038-2015. Click on the publication title to view details.
Electrodynamic context of magnetopause dynamics observed by magnetospheric multiscale
:   Anderson, Brian J.; Russell, Christopher T.; Strangeway, Robert J.; Plaschke, Ferdinand; Magnes, Werner; Fischer, David; Korth, Haje; Merkin, Viacheslav G.; Barnes, Robin J.; Waters, Colin L.; Cohen, Ian J.; Westlake, Joseph H.; Mauk, Barry H.; Leinweber, Hannes K.; Gershman, Daniel J.; Giles, Barbara L.; Le, Guan; Torbert, Roy B.; Burch, James L.
:JUN 28 2016
: Geophysical Research Letters
  43
  5988
  5996
: WOS:000380910100010
: None
A telescopic and microscopic examination of acceleration in the June 2015 geomagnetic storm: Magnetospheric Multiscale and Van Allen Probes study of substorm particle injection
:   Baker, D. N.; Jaynes, A. N.; Turner, D. L.; Nakamura, R.; Schmid, D.; Mauk, B. H.; Cohen, I. J.; Fennell, J. F.; Blake, J. B.; Strangeway, R. J.; Russell, C. T.; Torbert, R. B.; Dorelli, J. C.; Gershman, D. J.; Giles, B. L.; Burch, J. L.
:JUN 28 2016
: Geophysical Research Letters
  43
  6051
  6059
: WOS:000380910100018
: None
Multispacecraft analysis of dipolarization fronts and associated whistler wave emissions using MMS data
:   Breuillard, H.; Le Contel, O.; Retino, A.; Chasapis, A.; Chust, T.; Mirioni, L.; Graham, D. B.; Wilder, F. D.; Cohen, I.; Vaivads, A.; Khotyaintsev, Yu V.; Lindqvist, P. -A.; Marklund, G. T.; Burch, J. L.; Torbert, R. B.; Ergun, R. E.; Goodrich, K. A.; Macri, J.; Needell, J.; Chutter, M.; Rau, D.; Dors, I.; Russell, C. T.; Magnes, W.; Strangeway, R. J.; Bromund, K. R.; Plaschke, F.; Fischer, D.; Leinweber, H. K.; Anderson, B. J.; Le, G.; Slavin, J. A.; Kepko, E. L.; Baumjohann, W.; Mauk, B.; Fuselier, S. A.; Nakamura, R.
:JUL 28 2016
: Geophysical Research Letters
  43
  7279
  7286
: WOS:000383290200001
: None
The "Puck" energetic charged particle detector: Design, heritage, and advancements
:   Clark, G.; Cohen, I.; Westlake, J. H.; Andrews, G. B.; Brandt, P.; Gold, R. E.; Gkioulidou, M. A.; Hacala, R.; Haggerty, D.; Hill, M. E.; Ho, G. C.; Jaskulek, S. E.; Kollmann, P.; Mauk, B. H.; McNutt, R. L., Jr.; Mitchell, D. G.; Nelson, K. S.; Paranicas, C.; Paschalidis, N.; Schlemm, C. E.
:AUG 2016
: Journal of Geophysical Research-Space Physics
  121
  7900
  7913
: WOS:000385811500043
: None
Observations of energetic particle escape at themagnetopause: Early results from the MMS Energetic Ion Spectrometer (EIS)
:   Cohen, I. J.; Mauk, B. H.; Anderson, B. J.; Westlake, J. H.; Sibeck, D. G.; Giles, B. L.; Pollock, C. J.; Turner, D. L.; Fennell, J. F.; Blake, J. B.; Clemmons, J. H.; Jaynes, A. N.; Baker, D. N.; Craft, J. V.; Spence, H. E.; Niehof, J. T.; Reeves, G. D.; Torbert, R. B.; Russell, C. T.; Strangeway, R. J.; Magnes, W.; Trattner, K. J.; Fuselier, S. A.; Burch, J. L.
:JUN 28 2016
: Geophysical Research Letters
  43
  5960
  5968
: WOS:000380910100007
: None
Rocket-borne measurements of electron temperature and density with the Electron Retarding Potential Analyzer instrument
:   Cohen, I. J.; Widholm, M.; Lessard, M. R.; Riley, P.; Heavisides, J.; Moen, J. I.; Clausen, L. B. N.; Bekkeng, T. A.
:JUL 2016
: Journal of Geophysical Research-Space Physics
  121
  6774
  6782
: WOS:000383422100053
: None
Microinjections observed by MMS FEEPS in the dusk to midnight region
:   Fennell, J. F.; Turner, D. L.; Lemon, C. L.; Blake, J. B.; Clemmons, J. H.; Mauk, B. H.; Jaynes, A. N.; Cohen, I. J.; Westlake, J. H.; Baker, D. N.; Craft, J. V.; Spence, H. E.; Reeves, G. D.; Torbert, R. B.; Burch, J. L.; Giles, B. L.; Paterson, W. R.; Strangeway, R. J.
:JUN 28 2016
: Geophysical Research Letters
  43
  6078
  6086
: WOS:000380910100021
: None
The substructure of a flux transfer event observed by the MMS spacecraft
:   Hwang, K. -J.; Sibeck, D. G.; Giles, B. L.; Pollock, C. J.; Gershman, D.; Avanov, L.; Paterson, W. R.; Dorelli, J. C.; Ergun, R. E.; Russell, C. T.; Strangeway, R. J.; Mauk, B.; Cohen, I. J.; Torbert, R. B.; Burch, J. L.
:SEP 28 2016
: Geophysical Research Letters
  43
  9434
  9443
: WOS:000385392900010
: None
Energetic electron acceleration observed by MMS in the vicinity of an X-line crossing
:   Jaynes, A. N.; Turner, D. L.; Wilder, F. D.; Osmane, A.; Baker, D. N.; Blake, J. B.; Fennell, J. F.; Cohen, I. J.; Mauk, B. H.; Reeves, G. D.; Ergun, R. E.; Giles, B. L.; Gershman, D. J.; Torbert, R. B.; Burch, J. L.
:JUL 28 2016
: Geophysical Research Letters
  43
  7356
  7363
: WOS:000383290200010
: None
Currents and associated electron scattering and bouncing near the diffusion region at Earth's magnetopause
:   Lavraud, B.; Zhang, Y. C.; Vernisse, Y.; Gershman, D. J.; Dorelli, J.; Cassak, P. A.; Dargent, J.; Pollock, C.; Giles, B.; Aunai, N.; Argall, M.; Avanov, L.; Barrie, A.; Burch, J.; Chandler, M.; Chen, L. -J.; Clark, G.; Cohen, I.; Coffey, V.; Eastwood, J. P.; Egedal, J.; Eriksson, S.; Ergun, R.; Farrugia, C. J.; Fuselier, S. A.; Genot, V.; Graham, D.; Grigorenko, E.; Hasegawa, H.; Jacquey, C.; Kacem, I.; Khotyaintsev, Y.; MacDonald, E.; Magnes, W.; Marchaudon, A.; Mauk, B.; Moore, T. E.; Mukai, T.; Nakamura, R.; Paterson, W.; Penou, E.; Phan, T. D.; Rager, A.; Retino, A.; Rong, Z. J.; Russell, C. T.; Saito, Y.; Sauvaud, J. -A.; Schwartz, S. J.; Shen, C.; Smith, S.; Strangeway, R.; Toledo-Redondo, S.; Torbert, R.; Turner, D. L.; Wang, S.; Yokota, S.
:APR 16 2016
: Geophysical Research Letters
  43
  3042
  3050
: WOS:000375537300005
: None
Inverse energy dispersion of energetic ions observed in the magnetosheath
:   Lee, S. H.; Sibeck, D. G.; Hwang, K. -J.; Wang, Y.; Silveira, M. V. D.; Fok, M. -C.; Mauk, B. H.; Cohen, I. J.; Ruohoniemi, J. M.; Kitamura, N.; Burch, J. L.; Giles, B. L.; Torbert, R. B.; Russell, C. T.; Lester, M.
:JUL 28 2016
: Geophysical Research Letters
  43
  7338
  7347
: WOS:000383290200008
: None
Dipolarization in the inner magnetosphere during a geomagnetic storm on 7 October 2015
:   Matsui, H.; Erickson, P. J.; Foster, J. C.; Torbert, R. B.; Argall, M. R.; Anderson, B. J.; Blake, J. B.; Cohen, I. J.; Ergun, R. E.; Farrugia, C. J.; Khotyaintsev, Yu. V.; Korth, H.; Lindqvist, P. -A.; Magnes, W.; Marklund, G. T.; Mauk, B. H.; Paulson, K. W.; Russell, C. T.; Strangeway, R. J.; Turner, D. L.
:SEP 28 2016
: Geophysical Research Letters
  43
  9397
  9405
: WOS:000385392900006
: None
Modeling magnetospheric energetic particle escape across Earth's magnetopause as observed by the MMS mission
:   Mauk, Barry H.; Cohen, Ian J.; Westlake, Joseph H.; Anderson, Brian J.
:
: Geophysical Research Letters
  --
  2016GL068856
  --
: WOS:000378339200001
:
Name Link to Datasource Notes
http://dx.doi.org/10.1002/2016GL068856
Transient, small-scale field-aligned currents in the plasma sheet boundary layer during storm time substorms
:   Nakamura, R.; Sergeev, V. A.; Baumjohann, W.; Plaschke, F.; Magnes, W.; Fischer, D.; Varsani, A.; Schmid, D.; Nakamura, T. K. M.; Russell, C. T.; Strangeway, R. J.; Leinweber, H. K.; Le, G.; Bromund, K. R.; Pollock, C. J.; Giles, B. L.; Dorelli, J. C.; Gershman, D. J.; Paterson, W.; Avanov, L. A.; Fuselier, S. A.; Genestreti, K.; Burch, J. L.; Torbert, R. B.; Chutter, M.; Argall, M. R.; Anderson, B. J.; Lindqvist, P. -A.; Marklund, G. T.; Khotyaintsev, Y. V.; Mauk, B. H.; Cohen, I. J.; Baker, D. N.; Jaynes, A. N.; Ergun, R. E.; Singer, H. J.; Slavin, J. A.; Kepko, E. L.; Moore, T. E.; Lavraud, B.; Coffey, V.; Saito, Y.
:MAY 28 2016
: Geophysical Research Letters
  43
  4841
  4849
: WOS:000378347500022
: None
Energy limits of electron acceleration in the plasma sheet during substorms: A case study with the Magnetospheric Multiscale (MMS) mission
:   Turner, D. L.; Fennell, J. F.; Blake, J. B.; Clemmons, J. H.; Mauk, B. H.; Cohen, I. J.; Jaynes, A. N.; Craft, J. V.; Wilder, F. D.; Baker, D. N.; Reeves, G. D.; Gershman, D. J.; Avanov, L. A.; Dorelli, J. C.; Giles, B. L.; Pollock, C. J.; Schmid, D.; Nakamura, R.; Strangeway, R. J.; Russell, C. T.; Artemyev, A. V.; Runov, A.; Angelopoulos, V.; Spence, H. E.; Torbert, R. B.; Burch, J. L.
:AUG 16 2016
: Geophysical Research Letters
  43
  7785
  7794
: WOS:000383290300001
: None
The permeability of the magnetopause to a multispecies substorm injection of energetic particles
:   Westlake, J. H.; Cohen, I. J.; Mauk, B. H.; Anderson, B. J.; Mitchell, D. G.; Gkioulidou, M.; Walsh, B. M.; Lanzerotti, L. J.; Strangeway, R. J.; Russell, C. T.
:SEP 28 2016
: Geophysical Research Letters
  43
  9453
  9460
: WOS:000385392900012
: None
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