Paden Resume - Center for Remote Sensing of Ice Sheets ...

JOHN D. PADEN
2335 Irving Hill Rd Cell Phone: (303) 818-6406
Lawrence, KS 66045 Work Phone: (785) 864-1692
Email: paden@ku.edu
EDUCATION:
Ph.D. Electrical Engineering, University of Kansas, 2006 (with honors)
Dissertation Title: “Synthetic Aperture Radar for Imaging the Basal Conditions of the
Polar Ice Sheets.”
M.S. Electrical Engineering, University of Kansas, 2003 (with honors)
B.S. Computer Engineering, University of Kansas, 1999
RESEARCH AND PROFESSIONAL INTERESTS:
SAR signal processing and related technologies; signal and image processing; sensor
design and development; system engineering.
PROFESSIONAL EXPERIENCE:
2012-Present: Associate Scientist, University of Kansas, Center for Remote Sensing of Ice
Sheets. Primary responsibilities are the same.
2010-2012: Research Assistant Professor, University of Kansas, Center for Remote
Sensing of Ice Sheets. Primary responsibilities:
Lead radar signal processing efforts
Lead radar data processing efforts
Lead field work in Antarctica and Greenland
Advise on radar system engineering and software engineering tasks
Advise undergraduate and graduate students working in the signal and data
processing areas
2006-2010: SAR/Systems Engineer, Vexcel Corporation. Primary responsibilities:
System architect for SAR related technologies.
Developed a prototype ground based 3D-SAR and complementary software
processing tools.
Managed and developed a SAR-tag SBIR phase II program.
Analysis, design, and development of SAR sensors and supporting
technologies.
Analyze and process data from satellite SAR systems.
Implementation of digital signal processing algorithms on field
programmable gate arrays.
Application of photogrammetry to the generation of digital elevation
models of natural surfaces
2001-2006: Graduate Research Assistant, Center for Remote Sensing of Ice Sheets (also
Radar Systems and Remote Sensing Laboratory), Department of Electrical

Engineering and Computer Science, University of Kansas. Primary
responsibilities:
Design and lead development of synthetic aperture radars for imaging the
base of polar ice sheets. Developed ground based and airborne versions of
the system.
Design and develop software for radar control and calibration, bistatic
synchronization, and SAR processing.
Modeling ice sheets using rough surface scattering theory and dielectric
models of ice sheets.
Help direct undergraduate and graduate students on work related to polar
remote sensing.
1999-2000: Graduate Research Assistant, Information and Telecommunications
Technology Center (ITTC), Department of Electrical Engineering and
Computer Science, University of Kansas. Primary responsibilities:
Design and develop comprehensive database solution for ITTC.
1996-1999: Undergraduate Research Assistant, Information and Telecommunications
Technology Center, Department of Electrical Engineering and Computer
Science, University of Kansas. Primary responsibilities:
Design and test PCI interface card and Linux device driver software for
data/control between computer and radio.
Develop interface and error control coding hardware for high-speed radio.
1995-1996: Undergraduate Research Assistant, Unified Network Informatics for
Education, School of Education, University of Kansas. Primary
responsibilities:
Continued development on a Macintosh web browser and built client/server
interface to education resources database.
TEACHING EXPERIENCE
Fall 1999: Graduate Teaching Assistant for Computer Systems and Assembly Language
Laboratory.
Spring 2000: Graduate Teaching Assistant for Circuits II Laboratory; developed labs for
this course (first time offered by department).
Fall 2000: Graduate Teaching Assistant and Grader for Introduction to Communication
Systems Laboratory.
Spring 2001: Graduate Teaching Assistant for Electromagnetics II Laboratory.
Spring 2002: Grader for Analysis of Communication Networks.
PUBLICATIONS – PEER REVIEWED

Nathan Kurtz, Michael Studinger, Sinead Farrell, John Paden, Jackie Richter-Menge,
John Sonntag, and James Yungel, “New airborne survey data reveals current state of Arctic
sea ice,” Eos Transactions AGU, vol. 94, no. 4, pp. 41, Jan 22, 2013.
Dorthe Dahl-Jensen and 133 other coauthors including John Paden, “Eemian interglacial
reconstructed from folded NEEM ice core strata,” Nature, vol. 493, pp. 489-494, Jan 2013.
Richard R. Forster, Jason E. Box, Michiel R. van den Broeke, Clément Miège, Evan W.
Burgess, Jan L. van Angelen, Jan T. M. Lenaerts, Lora S. Koenig, John Paden, Cameron
Lewis, S. Prasad Gogineni, Joseph R. McConnell, “Perennial Liquid Water Discovered in
Greenland Firn Layer,” submitted to Nature Geoscience on Jan 2013.
Ken Jezek, Xiaoqing Wu, John Paden, Carl Leuschen, “Radar Mapping of Isunguata
Sermia Glacier, Greenland”, submitted to Geophysical Research Letters on Jan 2013.
Jenny A. Griggs, Jon L. Bamber, R.T.W.L. Hurkmans, J.A. Dowdeswell, Sivaprasad
Gogineni, Ian Howat, J. Mouginot, John Paden, S. Palmer, Eric Rignot, Daniel Steinhage,
“A new bed elevation dataset for Greenland”, submitted to The Cryosphere on Nov 2012.
Kevin Player, Theresa Stumpf, Jie-Bang Yan, Fernando Rodriguez-Morales, John Paden,
and Sivaprasad Gogineni, Characterization and Mitigation of RFI Signals in Radar Depth
Sounder Data of Greenland Ice Sheet, accepted with minor revision to IEEE Transactions
on Electromagnetic Compatibility on Dec 2012.
F. Rodriguez-Morales, S. Gogineni, C. Leuschen, John Paden, J. Li, C. Lewis, B.
Panzer, D. Gomez-Garcia, A. Patel, K. Byers, R. Crowe, K. Player, R. Hale, E. Arnold, L.
Smith, C. Gifford, D. Braaten, and C. Panton, Advanced Multi-Frequency Radar
Instrumentation for Polar Research, accepted with minor revision to IEEE Transactions on
Geoscience and Remote Sensing on Nov 2012.
R. Lindsay, C. Haas, S. Hendricks, P. Hunkeler, N. Kurtz, John Paden, B. Panzer, J.
Sonntag, J. Yungel, and J. Zhang, “Seasonal forecasts of sea ice extent made with
initialized ice thickness fields”, Geophysical Research Letters, vol 39, no. 21, Nov 8, 2012.
Andy Shepherd and 46 other coauthors including John Paden, “A Reconciled Estimate of
Ice Sheet Mass Balance,” Science, vol. 338, no. 6111, pp. 1183-1189, 2012.
Mathieu Morlighem, Eric Rignot, J. Mouginot, H. Seroussi, Eric Larour, Xiaoqing Wu,
John Paden, “Bed topography under Russell Glacier, Greenland, revealed by Operation
IceBridge data,” submitted to The Cryosphere on Nov 2012, rejected, in preparation for
submission elsewhere.
Ben Panzer, Daniel Gomez-Garcia, Carl Leuschen, John Paden, Fernando Rodriguez-
Morales, Aqsa Patel, Thorsten Markus, Benjamin Holt, and Prasad Gogineni, “An ultrawideband,
microwave radar for measuring snow thickness on sea ice and mapping nearsurface
internal layers in polar firn,” accepted to Journal of Glaciology on Dec 2012.

David J. Crandall, Geoffrey C. Fox, John D. Paden, “Layer-finding in Radar Echograms
using Probabilistic Graphical Models,” accepted to 2012 International Conference on
Pattern Recognition.
Nanna B. Karlsson, Dorthe Dahl-Jensen, Sivaprasad Gogineni, John D. Paden, “Tracing
the Depth of the Holocene Ice in North Greenland from Radio-Echo Sounding”, accepted
with revision to Annals of Glaciology in July 2012.
Jilu Li, John Paden, Carl Leuschen, Fernando Rodriguez-Morales, Richard Hale, Emily
Arnold, Reid Crowe, Daniel Gomez-Garcia, and Sivaprasad Gogineni, “High-Altitude
Radar Measurements of Ice Thickness over the Antarctic and Greenland Ice Sheets as a
part of Operation Ice Bridge”, IEEE Transactions on Geoscience and Remote Sensing,
2012, vol. 50, no. 12, doi: 10.1109/TGRS.2012.2203822.
Jie-Bang Yan, Jilu Li, Fernando Rodriguez-Morales, Reid Crowe, Daniel Gomez-Garcia,
Emily Arnold, John Paden, Carl J. Leuschen, and Sivaprasad Gogineni, “Measurements
of In-Flight Cross-Track Antenna Patterns of Radar Depth Sounder/Imager”, IEEE
Transactions on Antennas and Propagation, 2012, vol. 60, no. 12, pp. 5669-5678, doi:
10.1109/TAP.2012.2211327.
Kyle J. Byers, A. R. Harish, Sarah A. Seguin, Carlton Leuschen, Fernando Rodriguez-
Morales, John Paden, Emily Arnold, and Richard Hale, “A Modified Wideband Dipole
Antenna for an Airborne VHF Ice Penetrating Radar”, IEEE Transactions on
Instrumentation and Measurement, vol.61, no.5, pp.1435-1444, doi:
10.1109/TIM.2011.2181780, May 2012.
Eric Larour, John Schiermeier, Eric Rignot, Helene Seroussi, Mathieu Morlighem, John
Paden, “Sensitivity Analysis of Pine Island Glacier ice flow using ISSM and DAKOTA”,
Journal of Geophysical Research, 117, F2, doi:10.1029/2011JF002146, 2012.
Ian M. Howat, Ken Jezek, Michael Studinger, Joseph A. MacGregor, John Paden, Dana
Floricioiu, Rob Russell, Matt Linkswiler, and Roseanne T. Dominguez, “Rift in Antarctic
Glacier: A Unique Chance to Study Ice Shelf Retreat”, Eos Trans. AGU, 93, 8,
doi:10.1029/2012EO080001, 2012.
Robert Thomas, Earl Frederick, Jilu Li, William Krabill, Serdar Manizade, John Paden,
John Sonntag, Robert Swift, James Yungel, “Accelerating ice loss from the fastest
Greenland and Antarctic glaciers”, Geophysical Research Letters, 38, L10502,
doi:10.1029/2011GL047304, 2011.
Ute C. Herzfeld, Brian McDonald, Bruce F. Wallin, Phillip A. Chen, Carlton J. Leuschen,
and John Paden, “Spatial modeling of Greenland subglacial topography as input for
dynamic ice sheet models: The JakHelKanPet bed DEM”, submitted for publication in
Annals of Glaciology.
John Paden, Torry Akins, David Dunson, Christopher Allen, and Sivaprasad Gogineni
(2010), Ice-sheet bed 3-D tomography, Journal of Glaciology, 56 (195), 3-11.

Gogineni, Sivaprasad, David Braaten, Christopher Allen, John Paden, Torry Akins,
Pannir Kanagaratnam, Ken Jezek, Glenn Prescott, Gunashekar Jayaraman, Vijay
Ramasami, Cameron Lewis, and David Dunson (2007), Polar Radar for Ice Sheet
Measurements (PRISM), Remote Sensing of Environment -Special Issue: Cryosphere, 111,
204-211.
Kenneth Jezek, Ernesto Rodriguez, Prasad Gogineni, Anthony Freeman, John Curlander,
Xiaoqing Wu, John Paden, Christopher Allen, “Glaciers and ice sheets mapping orbiter
concept,” Journal of Geophysical Research, vol. 111, 2006.
John Paden, Christopher Allen, Sivaprasad Gogineni, Kenneth Jezek, Dorthe Dahl-
Jensen, and Lars Larsen, “Wideband measurements of ice sheet attenuation and basal
scattering“, IEEE Geoscience and Remote Sensing Letters, vol. 2, no. 2, April 2005.
David Braaten, Sivaprasad Gogineni, Dilip Tammana, Saikiran Namburi, John Paden, and
Krishna Gurumoorthy, “Improvements of radar ice thickness measurements of Greenland
outlet glaciers using SAR processing,” Annals of Glaciology, vol. 35, 2001, pp. 73-78.
PUBLICATIONS – INVITED
John Paden, Prasad Gogineni, David Braaten, “Beneath the ice sheets,” IEEE Spectrum,
vol. 48, issue 9, Sept 2011, pp. 36-42.
John Paden, Jilu Li, Sivaprasad Gogineni, Carl Leuschen, Dorthe Dahl-Jensen, “3D
Imaging Radar for Deep Ice Core Site Selection,” invited poster at 2011 AGU Fall
Meeting.
CONFERENCES/ARTICLES
Ben Panzer, Daniel Gomez-Garcia, Carl Leuschen, John Paden, and Prasad Gogineni,
“Airborne radar surveys of snow depth over Antarctic sea ice during Operation IceBridge”,
2012 AGU Fall Meeting.
Joseph A. MacGregor, Mark A. Fahnestock, Ginny A. Catania, John Paden, Susan C.
Rybarski, S. Keith Young, and Alex N. Mabrey, “Radiostratigraphy of the Greenland ice
sheet from the 2009–2012 Operation IceBridge surveys”, 2012 AGU Fall Meeting.
N. B. Karlsson, D. Dahl-Jensen, S. P. Gogineni, J. D. Paden, “Subglacial Dynamics of
Northeast Greenland – Results from Observations of Refrozen Basal Ice and Large-Scale
Modeling”, 2012 AGU Fall Meeting.
Jerome E. Mitchell, David Crandall, Geoffrey Fox, and John Paden, “Automatic Near
Surface Estimation from Radar Imagery”, 2012 AGU Fall Meeting.
Prasad Gogineni, David Braaten, Fernando Rodriguez-Morales, Jilu Li, Carl Leuschen,
John Paden, Richard Hale, Emily Arnold, Ben Panzer, Daniel Gomez, Reid Crowe, Aqsa
Patel, Steven Yan, “Multi-Frequency Airborne Radar Measurements of Outlet Glaciers and
Ice Streams,” XXXII SCAR and Open Science Conference, July 2012.

Prasad Gogineni, John Paden, Richard Hale, Carl Leuschen, David Braaten, Fernando
Rodriguez-Morales, Stephen Yan, Jilu Li, “Ultra Wideband Radars for Imaging of Ice-Bed
Topography and Fine-Resolution Mapping of Internal Layers from the Surface to the Bed”
IPIC 2012.
Junjie Chen, Qilian Liang, John Paden, Prasad Gogineni, “Compressive Sensing Analysis
of Synthetic Aperture Radar Raw Data”, IEEE ICC 2012 Workshop on Radar and Sonar
Network.
Nanna B. Karlsson, Dorthe Dahl-Jensen, Sivaprasad Gogineni, John Paden, and C. S.
Hvidberg, “Automatic Detection of the Holocene Transition in Radio-Echo Sounding Data
from the Greenland Ice Sheet”, EGU General Assembly 2012.
Dorthe Dahl-Jensen on behalf of the NEEM community, “The NEEM Climate Record”,
EGU General Assembly 2012.
D. Dahl-Jensen, Prasad Gogineni, John Paden, Carl Leuschen, S. Kipfstuhl, M.
Montagnat, and E. Waddington, “Deformation and folds of the basal ice under the
Greenland ice sheet”, EGU General Assembly 2012.
Joe A. MacGregor, Mark A. Fahnestock, Ginny A. Catania, Steve F. Price, John Paden,
“The gap between ice-penetrating radar observations and the boundary conditions used in
ice-sheet models”, EGU General Assembly 2012.
Sivaprasad Gogineni, Jilu Li, John Paden, Reid Crowe, Anthony Hoch, Cameron Lewis,
Emily Arnold, Fernando Rodriguez, Carl Leuschen, Richard Hale, A. R. Harish, David
Braaten, “Sounding and Imaging of Fast Flowing Glaciers and Ice-Sheet Margins”, 9th
European Conference on Synthetic Aperture Radar.
Jilu Li, Prasad Gogineni, John Paden, Carl Leuschen, Fernando Rodriguez, Reid Crowe,
Daniel Gomez, and Richard Hale, “Coherent and Incoherent Clutter Reduction Techniques
to Sound Ice from High Altitudes”, 9th European Conference on Synthetic Aperture
Radar.
Sivaprasad Gogineni, John Paden, Carl Leuschen, Jilu Li, Fernando Rodriguez-Morales,
Emily Arnold, Kyle Byers, Logan Smith, Kevin Player, Daniel Gomez, A. Harish, Richard
Hale, "Radar sounding and imaging of fast-flowing glaciers in Greenland," Synthetic
Aperture Radar (APSAR), 2011 3rd International Asia-Pacific Conference on , vol., no.,
pp.1, 26-30 Sept. 2011
Christopher Allen, Lei Shi, Richard Hale, Carl Leuschen, John Paden, Ben Panzer, Emily
Arnold, William Blake, Fernando Rodriguez-Morales, John Ledford, and Sarah Seguin,
“Antarctica Ice Depthsounding Radar Instrumentation for the NASA DC-8,” IEEE
Aerospace and Electronic Systems Magazine, March 2012, vol. 27, no. 3, pp. 4-20.
Joseph A. MacGregor, Ginny A. Catania, Mark A. Fahnestock, Stephen F. Price, John D.
Paden, “The gap between ice-penetrating radar observations and the boundary conditions
used in ice-sheet models”, 2011 AGU Fall Meeting.

Eric J. Rignot, Isabella Velicogna, Jeremie Mouginot, Bernd Scheuchl, Michiel R. van den
Broeke, John D. Paden, “Revised mass budget of hot spots in Greenland and Antarctica
using IceBridge and other data”, 2011 AGU Fall Meeting.
Richard Forester, Lora Koenig, Prasad Gogineni, and John Paden, “Monitoring Changes
in Polar Ice Sheets and Sea Ice Using Airborne and Satellite Remote Sensing,” 2011 AGU
Fall Meeting.
Allen, Chris, William Blake, Carl Leuschen, John Paden, Prasad Gogineni, Dorthe Dahl-
Jensen, and Harish Ayyangar, “Ice bed topography mapping using InSAR and tomographic
processes”, 2011 IEEE Radar Conference Kansas City, MO, USA, 23-27 May 2011, pp.
793 - 797
P. Gogineni, C. Leuschen, F. Rodriguez-Morales, J. Paden, C. Lewis, et al., “Radar
Instrumentation for Operation Ice Bridge,” IUGG 2011, 27 June-7 July 2011.
D. Braaten, P. Gogineni, J. Paden, J. Li, R.E. Bell, et al., “Isolating Nadir Radar Returns
Over the Gamburtsev Subglacial Mountains, East Antarctica,” IUGG 2011, 27 June-7 July
2011.
P. Gogineni, J. Paden, F. Rodriguez-Morales, J. Li, A. Hoch, et al., “Bed Topography for
Jakobshavn, Helhiem, and Kangerdlussuaq Glaciers,” IUGG 2011, 27 June-7 July 2011.
John Paden, Christopher Allen, Prasad Gogineni, “3D Imaging of Ice Sheets”, IEEE
Geoscience and Remote Sensing Symposium, 2010 (IGARSS ’10), Honolulu, Hawaii, 25-
30 July 2010.
Logan Smith, John Paden, Carl Leuschen, Sivaprasad Gogineni, "Beamwidth analysis for
SAR processing of airborne depth-sounder data over ice sheets," Geoscience and Remote
Sensing Symposium (IGARSS), 2010 IEEE International , vol., no., pp.4596-4599, doi:
10.1109/IGARSS.2010.5653854, 25-30 July 2010.
Christopher Allen, John Paden, David Dunson, and Sivaprasad Gogineni, “Ground-based
multi-channel synthetic-aperture radar for mapping the ice-bed interface,” 2008 IEEE
Radar Conference, Rome, Italy, 26-30 May 2008.
Christopher Allen and John Paden, “Synthetic-Aperture Radar Images Polar Ice-Sheet
Bed,” SPIE Newsroom, 2007.
Adam Lohoefener, Chandini Veeramachaneni, Sahana Raghunandan, Vijay Ramasami,
John Paden, Torry Akins, Pannir Kanangaratnam, and Sivaprasad Gogineni, “Radar
sounding of Jacobshavn and other outlet glaciers,” EOS Transactions AGU, vol. 87, no.
52, Fall Meeting Supplement, Abstract C41A-0318, 2006.
Sivaprasad Gogineni, John Paden, Torry Akins, Christopher Allen, Pannir Kanagaratnam,
David Braaten, and Kenneth Jezek, “Synthetic aperture radar imaging of ice-bed
interface,” EOS Transactions AGU, vol. 87, no. 52, Fall Meeting Supplement, Abstract
C14B-06, 2006.

Sivaprasad Gogineni, John Paden, Torry Akins, Christopher Allen, David Braaten, and
Kenneth Jezek, “Wideband synthetic aperture radar imaging of sub-surface interfaces in
glacial ice,” Sixth European Conference on Synthetic Aperture Radar (EUSAR 2006),
Dresden, Germany, 16-18 May 2006.
Sivaprasad Gogineni, Kenneth Jezek, John Paden, Christopher Allen, Pannirselvam
Kanagaratnam, and Torry Akins, “Radar imaging and sounding of polar ice sheets,”
Proceedings, XXVIII th URSI General Assembly, New Delhi, 2005.
John Paden, Torry Akins, Pannirselvam Kanagaratnam, David Dunson, Cameron Lewis,
Tszping Chan, Christopher Allen, Rohit Parthasarathy, Kenneth Jezek, and Sivaprasad
Gogineni, “Wideband radars for imaging the bed and mapping internal layers”, West
Antarctic Ice Sheet Workshop, Sterling, Virginia, Sept 28-Oct 1, 2005.
John Curlander, Kenneth Jezek, Ernesto Rodriguez, Anthony Freeman, Prasad Gogineni,
John Paden, Christopher Allen, Xiaoqing Wu. Glaciers and Ice Sheets Mapping Orbiter.
Advanced SAR Workshop, Montreal, Quebec, 2005.
John Paden, Shadab Mozaffar, David Dunson, Christopher Allen, Sivaprasad Gogineni,
and Torry Akins, “Multiband multistatic synthetic aperture radar for measuring ice sheet
basal conditions”, IEEE Geoscience and Remote Sensing Symposium, 2004 (IGARSS
’04), vol. 1, 20-24 Sept. 2004, pp. 136-9.
John Paden, Christopher Allen, and Sivaprasad Gogineni, “Polar ice sheet propagation
model for ground-based broadband VHF synthetic aperture radar,” PIERS, Hawaii, Oct.
2003.
HONORS AND AWARDS
NASA Group Achievement Award, Operation IceBridge Team 2011
Microsoft (Vexcel) Gold Star Award 2009
Finalist for Kansas University Argersinger Dissertation Award 2007
R K Moore Dissertation Award 2007 for best departmental thesis
University of Kansas Graduate Student Research Competition 2006 Third Place Award
Selected to present at the Kansas State Graduate Student Research Summit
NASA Earth System Science Graduate Fellowship 2002-2005
ITTC Graduate Fellowship 2003-2004
Graduate School of Engineering Scholarship 2001-2002
University of Kansas Travel Grant 2001
IEEE Award for Outstanding Leadership and Service 1998-1999
AT&T Labs Student Enterprise Award (IEEE Chapter Award) 1997
Pi Lambda Theta Honor Society (For Graduate Teaching)
Dr. Ivan L. Boyd Scholarship for Community Service 1994
PROFESSIONAL SOCIETIES, LICENSES, CLEARANCES, AND CITIZENSHIP
Top Secret (DOD-SSBI) Clearance, IEEE, American Geophysical Union (AGU), HAM
radio license, United States citizen.

SERVICES
Reviewer, IEEE Geoscience and Remote Sensing Letters
Reviewer, IEEE Transactions on Geoscience and Remote Sensing
Reviewer, IEEE Transactions on Aerospace and Electronic Systems
Reviewer, AGU Journal of Geophysical Research
Reviewer, Nature
Graduate Student Body Senator, 2002-2003
IEEE Local Chapter President 1998-1999
IEEE Local Chapter Vice-President 1997-1998
SOFTWARE AND HARDWARE EXPERIENCE
C/C++ (very extensive experience), Matlab (very extensive experience), PHP, SQL, shell
scripting, TORQUE/PBS and Matlab-based cluster systems, experience in both Linux and
Windows development environments, and a general knowledge of a wide range of
programming languages, environments, and tools (e.g. IDL, SVN, Trac, MS Project, QT,
MS Visual Studio, GNU tools, etc.)
VHDL and embedded software with Xilinx ISE/SDK and ModelSim, Altium Protel
(Schematic and PCB development), Agilent ADS (fairly extensive use of simulation tools),
Ansoft HFSS (antenna simulation – limited experience)
Familiar with operation and remote-programming of standard lab tools: DSO, NA, SA,
VSG, etc.