# CV: Michael E. Purucker

Address: Raytheon at Planetary Geodynamics Lab Code 698, Goddard Space
Flight Center, NASA

Greenbelt, MD 20771 USA

Telephone: 301-614-6473 Fax: 301-614-6522 Email:
<purucker@geomag.gsfc.nasa.gov> Citizenship: US

## CURRENT POSITION

Chief Scientist, Geodynamics, Geophysics, and Space Geodesy Program,
Raytheon, Greenbelt, MD, 1986-present. Located within the Planetary
Geodynamics Lab, Goddard Space Flight Center, NASA, Greenbelt, MD

## PAST POSITIONS

Invited Professor (1st Class), Laboratoire de Planetologie et
Geodynamique, Univ. de Nantes, Nantes, France, June-July, 2005

Visiting scientist, GeoForschung Zentrum, Potsdam, Germany, Feb.-Mar.,
2005; Aug.-Sept, 2006, Oct, 2007

Invited Professor (2^nd^ class), Institut de Physique du Globe de Paris,
Laboratoire de geomagnetisme, Paris, France. Summers of 2000 and 2001.

Visiting scientist, Geological Survey of Japan, Tsukuba and Kyoto,
Japan, March, 1997.

Chief Geologist, Phoenix Corp, McLean, VA, March 1984-November, 1985

Geophysicist, U.S. Geological Survey, Flagstaff, Arizona, Sept.
1976-August, 1981.

## Education

Ph.D., Geology, Princeton University, Princeton, NJ, 1980-1984

M.A., Geology, Princeton University, Princeton, NJ, 1980-1982

M.S., Planetary Science, California Institute of Technology, Pasadena,
CA, 1975-1976

B.S., Geophysics, California Institute of Technology, Pasadena, CA,
1971-1976

## RESEARCH INTERESTS

The role of magnetic fields as fingerprints of processes in planetary
lithospheres and ionospheres. See NASA web page at
<http://denali.gsfc.nasa.gov/personal_pages/purucker.html> for further
information.

## PROFESSIONAL ACTIVITIES

Mission Advisory Group (Phases A, B..) for SWARM, a satellite
constellation to study the dynamics of the Earth's magnetic field and
its interaction with the Earth System. Selected for implementation by
ESA in May, 2004. Launch is planned for late 2010.

Participating Scientist: Mercury Messenger

Co-Investigator, The Great Escape, a Mars Scout Mission, in Phase A

Co-Investigator, CHAMP satellite magnetic field mission, 2001-present.

Co-Investigator and member of the calibration team, Oersted satellite
magnetic field mission to map the near-Earth magnetic field,
1999-present.

Co-Investigator and member of the calibration team, SAC-C satellite
magnetic field mission, 2001-present

Executive committee, World Digital Magnetic Anomaly Map, 2005-present;
Vice-Chair, 2007-present

Co-Chair, International Association of Geomagnetism and Aeronomy,
Working Group V-7, Earth and Planetary Magnetic Field satellites,
1999-2003. As part of this service, I maintain web pages at
<http://denali.gsfc.nasa.gov/research/mag_field/purucker/mag_missions.html>
devoted to 'Magnetic Field missions for Solid-Earth/Near-Earth Space
Geophysics' and 'Magnetic Field missions for the terrestrial planets and
moons'.

Proposal Review:

NASA Mars Data Analysis Program Review, Geophysics Panel chair, 2004

NASA Mars Fundamental Research Program Review, Geophysics Panel chair,
2007

NASA Mars Data Analysis Program Review, Geophysics Panel member, 2002,
2007

NASA Solid Earth and Natural Hazards Program Review, 1996-2003

NASA Earth Science student fellowships, 2007

NASA Instrument Incubator Program Review, 2001

Service on a panel evaluating the U.S. Geological Survey program in
geomagnetism, 2004-2005.

Service on professional assessment committees for the Technical
University of Denmark, Lyngby, Denmark (2003) and the Indian Institute
of Geomagnetism (2005).

Service on a Ph.D. thesis committee of the Universite de Nantes, Nantes,
France. I served as the Rapporteur on a thesis by Y. Quesnel entitled
'Interpretation des donnees magnetiques martiennes : Contraintes sur
l'evolution primitive de Mars', Nov, 2006

Service on a Ph.D. thesis committee of University of Sydney, New South
Wales, Australia. (Jon Turner, 'Signal processing of satellite magnetic
data', May, 2003).

Service on a Ph.D. thesis committee of the Institut de Physique du
Globe, Paris, France. I served as the Rapporteur on a thesis by B.
Langlais entitled 'Les Champs magnetiques de la Terre et de Mars: Apport
des satellites Orsted et Mars Global Surveyor', Oct, 2001.

Service on a Ph.D. thesis committtee of the Universite de Bretagne
Occidentale, France. I served as the Rapporteur or external examiner on
a thesis by N. Grammatica entitled 'Induction electromagnetique globale
dans une Terre heterogene: etudes a partir de donnees d'observatoires et
de donnees du satellite MAGSAT'. Sept, 2000.

Advisor for a Ph.D. student (Ruth Carley) from University of Edinburgh.
2006-present

Advisor for a Ph.D. student (Cathrine Fox Maule) from Copenhagen
University, Dept. of Physics, 2003-2005

Advisor for a Ph.D. student (Benoit Langlais) from the Institut de
Physique du Globe de Paris (1999-2001)

Advisor for a M.S. student (David Lowe) at Scripps Institute of
Oceanography, University of California, San Diego, 1998-2000.

Advisor for students (David Benveniste, Sebastien Catz) from the Ecole
Polytechnique, near Paris, France. Benveniste completed a thesis for his
Bachelor's degree under my supervision in June, 2001 entitled 'The
magnetic signature of possible dikes associated with the Pavonis Mons
center, Mars'. Catz' thesis was in 2007.

Advisor for a University of Maryland, Physics Dept. Senior, Joseph
Covington, in 1992. The project resulted in a peer-reviewed publication
'Improvement of equivalent source inversion technique with a more
symmetric dipole distribution model' (Physics of the Earth and Planetary
Interiors, v. 76, 199-208, 1993).

Advisor for National Space Club High School students, Philip Goodman,
June to August 1998.

Barry Huang, June to August 2002

Christine DeLong, June to August 2003

David Peterson, June to August 2004.

Joseph Nicholas, June, 2005- August 2006, & 2007

Advisor for Montgomery-Blair Science/Math magnet student, Ethan Schaler,
May 2006-Sept., 2006

Schaler was named a semi-finalist in the 2007 Intel Science and
Engineering Fair for his project with me entitled 'Lunar South Pole
Hydrogen & Water Ice Deposits: Constraints from Lunar Prospector
magnetic field observations'

Program Committee, American Geophysical Union, 2000-2002 Spring meetings

Member: American Geophysical Union, Society of Exploration Geophysicists

Chair or co-chair of the following special symposia:

1)  First Swarm International Science Meeting, 2006, Nantes, France,
    Local organizing committee

2)  Near-Earth magnetic field from multiple spacecraft observations,
    2006, Fall AGU, San Francisco

3)  Magnetic interpretation: Continental to Planetary Scales, 2003, Fall
    AGU, San Francisco

4)  Analysis of the Oersted, CHAMP, and SAC-C magnetic field
    constellation, a virtual session held in conjunction with the Spring
    meeting of the American Geophysical Union, May 28-31, 2002.
    Available online at <http://www.dsri.dk/multimagsatellites> and on
    CD

5)  Earth and Planetary Magnetic Survey Satellites, Spring AGU, 2001,
    Boston

6)  Geophysical Data Fusion, Birmingham, United Kingdom, Int. Union of
    Geodesy and Geophysics, 1999

7)  Space age geomagnetism, 1997, Spring AGU, Baltimore

8)  Satellite geomagnetism, 1997, Int. Assoc. of Geomagnetism and
    Aeronomy, Uppsala, Sweeden

9)  Lithospheric magnetic fields, Boulder, Int. Union of Geodesy and
    Geophysics, 1995

Journal reviewer for manuscripts submitted to Science, Nature, Journal
of Geophysical Research (Solid Earth, Space Physics, and Planets), Earth
Planets and Space, Geophysical Research Letters, and Geochemistry
Geophysics Geosystems, Earth and Planetary Science Letters

## PUBLICATIONS

Purucker, M., Sabaka, T., Le, G., Slavin, J.A., Strangeway, R.J, and
Busby, C., 2007, Magnetic field gradients from the ST-5 constellation:
Improving magnetic and thermal models of the lithosphere, Geophys. Res.
Lett, 34, doi:10.1029/2007GL031739

Purucker, M., 2007, Magnetic Anomaly Map of the World, Eos Trans. AGU,
88(25), 263.

Korhonen, J.V., Fairhead, J.D., Hamoudi, M., Hemant, K., Lesur, V.,
Mandea, M., Maus, S., Purucker, M., Ravat, D., Sazonova, T.,and
Thebault, E., 2007, Magnetic Anomaly Map of the World (and associated
DVD), Scale:

1:50,000,000, 1st edition, Commission for the Geological Map of the
World, Paris, France.

Purucker, M., and Whaler, K., 2007, Crustal Magnetism, Chapter 6, Volume
5: Geomagnetism, M. Kono (ed.), Elsevier, [Treatise on
Geophysics]{.underline}, 195-237.

Nicholas, J. B., M. E. Purucker, and T. J. Sabaka, 2007, Age spot or
youthful marking: Origin of Reiner Gamma, Geophys. Res. Lett., 34,
L02205, doi:10.1029/2006GL027794.

Langlais, B., and Purucker, M., 2007, A polar magnetic paleopole
associated with Apollinaris Patera, Mars, [Planetary and Space
Science]{.underline}, 55(3), 270-279

Purucker, M., Lithospheric magnetic fields: Accomplishments of the
Decade of Geopotential Research[, ESA Publication WPP-261]{.underline},
4 pages, 2006

Purucker, M., A new global magnetization model: validation and science
results, [ESA Publication WPP-261]{.underline}, 4 pages, 2006

Le, G., Slavin, J.A., Wang, Y., Strangeway, R.J., Sabaka, T., and
Purucker, M., The ST-5 magnetic field constellation: First results, [ESA
Publication WPP-261]{.underline}, 4 pages, 2006

Olsen, N, R Haagmans, T J. Sabaka, A Kuvshinov, S Maus, M Purucker, M
Rother, V Lesur, and M Mandea, The Swarm End-to-End mission simulator
study: A demonstration of separating the various contributions to
Earth\'s magnetic field using synthetic data, [Earth, Planets and
Space]{.underline}, 58(4), 359-370, 2006

Maus, S, Luhr, H., and Purucker, M., Simulation of the high degree
lithospheric field recovery for the Swarm constellation of satellites,
[Earth, Planets and Space]{.underline}, 58(4), 397-407, 2006

Mandea, M., and M. Purucker, Observing, Modeling, and Interpreting
Magnetic Fields of the Solid Earth, [Surveys in Geophysics]{.underline},
http://dx.doi.org/10.1007/s10712-005-3857-x, 2005

Fox Maule, C., Purucker, M., Olsen, N., and K. Mosegaard, Heat flux
anomalies in Antarctica revealed by satellite magnetic data,
[Science]{.underline} (and Science Express), 309, 464-467, July 15, 2005
and (June 9, 2005).

Whaler, K. and Purucker, M., A spatially continuous magnetization model
for Mars, [J. Geophys. Res]{.underline}., Vol. 110, No. E9, E09001,
<http://dx.doi.org/10.1029/2004JE002393>, 02 September 2005

Purucker, M. and Ishihara, T., Magnetic images of the Sumatran region
crust, [EOS]{.underline}, Transactions of the American Geohysical Union,
86 (10), 8 March 2005, 101-102.

Chassefiere, E., .., Purucker, M, and 43 co-authors, DYNAMO: A Mars
upper atmosphere package for investigating solar wind interaction and
escape processes, and mapping Martian fields, [Advances in Space
Research]{.underline}, 33, 2228-2235, 2004.

Fox Maule, C., Purucker, M., and Olsen, N., Magnetic crustal thickness
in Greenland from CHAMP and Oersted data, in [Earth Observation with
CHAMP: Results from Three Years in Orbit]{.underline}, (Reigber, C., et
al., eds), 255-261, published Sept 21,2004.

'Long-wavelength anomalies', 'Magsat', and 'R.A. Langel' entries in
[Encyclopedia of Geomagnetism and Paleomagnetism]{.underline}, Gubbins,
D., and Herrero-Bervera, E. (eds), 2007

Sabaka, T., Olsen, N., and Purucker, M., Extending Comprehensive Models
of the Earth's Magnetic Field with Oersted and CHAMP data, [Geophys. J.
Int]{.underline}.,159, 521-547, Nov. 2004,
http://dx.doi.org/10.1111/j.1365-246X.2004.02421.x

Langlais, B., Purucker, M., and Mandea, M., Crustal magnetic field of
Mars, [Jour. Geophys. Res- Planets]{.underline},

109(E2), E02008, doi:10.1029/2003JE002048, 2004.

Whaler, K., and Purucker, M., Martian magnetization-preliminary models,
[The Leading Edge]{.underline}, 22(8), 763-765, August, 2003.

Vennerstrom, S., Olsen, N., Purucker, M., Acuna, M.H. and Cain, J.C.,
The magnetic field in the pile-up region at Mars, and its variation with
the solar wind, [Geophy. Res. Lett,]{.underline} 30(7), 1369, doi:
10.1029/2003GL016883, 2003.

Stauning, P., Luhr, H., Ultre-Guerard, P., LaBrecque, J., Purucker, M.,
Primdahl, F., Jorgensen, J.L., Christiansen, F., Hoeg, P. Lauritsen,
K.B. (editors). OIST-4 Proceedings, 4^th^ Oersted International Science
Team Conference, 2003, [DMI Scientific Report 03-09]{.underline},
Copenhagen, 370 pp.

Purucker, M., Sabaka, T., Olsen, N., and Maus, S., How have Oersted,
CHAMP, and SAC-C improved our knowledge of the oceanic regions, [OIST-4
Proceedings]{.underline}, 2003, 89-95.

Purucker, M. and Olsen, N., Modeling of the Earth's magnetic field and
its variation with Oersted, CHAMP, and

Oersted-2/SAC-C, [OIST-4 Proceedings]{.underline}, 2003, 319-327.

Purucker, M., McCreadie, H., Vennerstom, S., Hulot, G., Olsen, N.,
Luehr, H., and Garnero, E., Highlights from AGU's Virtual Session on New
Magnetic Field Satellites, [EOS]{.underline}, v. 83, no. 34, p.368,
August 20, 2002 (with associated CD-ROM).

Purucker, M. and N. Olsen, Improving the definition of cratonic
boundaries utilizing the lithospheric magnetic field derived from CHAMP
Observations, in '[First CHAMP Mission Results for Gravity, Magnetic,
and Atmospheric Studies]{.underline}', Reigber et al (eds), Springer,
2003, 275-280.

Ravat, D. and M. Purucker, Unraveling the magnetic mystery of the
Earth's lithosphere: The background and role of the CHAMP Mission, [in
'First CHAMP Mission Results for Gravity, Magnetic, and Atmospheric
Studies]{.underline}', Reigber et al (eds)., Springer, 251-260, 2003

Purucker, M., Langlais, B., Olsen, N., Hulot, G., Mandea, M., The
southern edge of cratonic North America: Evidence from new satellite
magnetometer observations, [Geophys.Res.Lett]{.underline}., 29(15),8000,
doi:10.1029/2001GL013645,2002

\[part of a special issue on results from the Oersted satellite. Plate 3
from this paper is the cover of a special Orsted issue on August 1, 2002
(Issue #15).\]

Voorhies, C.V., Sabaka, T.J., and Purucker, M., On magnetic spectra of
Earth and Mars, [Journal of Geophysical Research-Planets]{.underline},
107(E6), 5034, doi:10.1029/2001JE001534, 2002.

Ravat, D., Whaler, K., Pilkington, M., Sabaka, T., and Purucker, M.,
Compatibility of high-altitude aeromagnetic and satellite altitude
magnetic anomalies over Canada, [Geophysics]{.underline}, 67, 546-554,
March-April, 2002

Chassefiere, E., .. Purucker., M., and 67 other authors, Scientific
Objectives of the Dynamo Mission, [Adv. Space Research]{.underline}, 27,
1851-1860, 2001.

Lowe, D.A.J., Parker, R.L., Purucker, M,E., and Constable, C.G.,
Estimating the crustal power spectrum from vector Magsat data, [Journal
of Geophysical Research]{.underline}, v.106, 8589-8598, May 10, 2001.

Chassefiere, E., and 68 co-authors, Scientific objectives of the DYNAMO
mission, [Advances in Space Research]{.underline}, 27, 1851-1860, 2001.

Golynsky, A., M. Chiappini, d. Damaske, F. Ferraccioli, J. Ferris, C.
Finn, M. Ghidella, T. Isihara, A. Johnson, H.R. Kim, L. Kovacs, J.
LaBrecque, V. Masolov, Y. Nogi, M. Purucker, P. Taylor, M. Torta, 2001,
"[ADMAP -- Magnetic Anomaly Map of the Antarctic]{.underline}," 1:10 000
000 scale map, in Morris, P., and R. von Frese, eds., BAS (Misc.) 10,
Cambridge, British Antarctic Survey.

Luhmann, J., Acuna, M., Purucker, M., Russell, C., and D. Lyon, The
Martian magnetosheath: How Venus like?, [Planetary and Space
Science]{.underline}, 50, 489-502, 2002.

Olsen., N., Holme, R., Hulot, G., Sabaka, T., Neubert, T.,
Toffner-Clausen., L., Primdahl, F., Jorgensen, J., Leger, J-M.,
Barraclough, D., Bloxham, J., Cain, J., Constable, C., Golovkvov, V.,
Jackson, A., Kotze, P., Langlais, B., Macmillan, S., Mandea, M., Merayo,
J., Newitt, L., Purucker, M., Risbo, T., Stampe, M., Thomson, A., and
Voorhies, C., Orsted Initial Field Model, [Geophysical Research
Letters]{.underline}, v. 27, 3607-3610, Nov. 15, 2000.

Purucker, M. and Dyment, J. Satellite magnetic anomalies related to
seafloor spreading in the South Atlantic Ocean, [Geophysical Research
Letters]{.underline}, v. 27, 2765-2768, Sept. 1, 2000.

Purucker , M., Ravat, D., Frey, H., Voorhies, C., Sabaka, T., and Acuna,
M., An altitude-normalized magnetic map of Mars and its interpretation,
[Geophys. Res. Lett]{.underline}.., v. 27, 2449-2452, Aug. 15, 2000.

Purucker, M. and Clark, D. Exploration Geophysics on Mars: Lessons from
magnetics, in [The Leading Edge]{.underline}, pp. 484-487, May 2000.

Taylor, P., and M. Purucker, Robert A. Langel III (1937-2000),
[EOS]{.underline}, v. 81, no. 15, p. 159, April 11, 2000.

Purucker, M., Von Frese, R. and Taylor, P., Mapping and interpretation
of satellite magnetic anomalies from POGO data over the Antarctic
region, [Annali di Geofisica]{.underline}, v. 42, p.215-228, April,
1999.

Ravat, D., and M. Purucker, The future of satellite magnetic anomaly
studies is bright, [The Leading Edge]{.underline}, March, 1999, p.
326-329

Purucker, M., R. Langel, M. Rajaram, and C. Raymond, Global
magnetization models with a priori information, [Journal of Geophysical
Research]{.underline}, v.103, 2563-2584, 1998.

Purucker, M., T. Sabaka, R. Langel, and N. Olsen, The missing dimension
in Magsat and POGO anomaly studies, [Geophysical Research
Letters]{.underline}, v. 24, p.2909-2912, 1997

Purucker, M., T. Sabaka, and R. Langel, Conjugate Gradient Analysis: A
New Tool For Studying Satellite Magnetic Data Sets, [Geophysical
Research Letters]{.underline}, v. 23, p.507-510, March 1, 1996 .

Ravat, D., R. Langel, M. Purucker, J. Arkani-Hamed, and D. Alsdorf,
Global vector and scalar Magsat magnetic anomaly maps, [Journal of
Geophysical Research]{.underline}, 100, 2011-20136, 1995

Arkani-Hamed, J., Langel, R., and M. Puurcker, Scalar Magnetic Anomaly
Maps of Earth derived from Pogo and Magsat Data, [Journal of Geophysical
Research]{.underline}, 99, 24075-24090, 1994.

Langel, R., M. Purucker, and M. Rajaram, The Equatorial Electrojet and
Associated Currents as Seen in Magsat Data, [Jour. Atm. Terr.
Physics]{.underline}, V.55, p.1233-1269, 1993 .

Purucker, M., The Computation of Vector Magnetic Anomalies: A Comparison
of Techniques and Errors, [Physics of the Earth and Planetary
Interiors]{.underline}, V. 62, p. 231-245, 1990.

Purucker, M., Petrologic, paleomagnetic, and structural evidence of a
Paleozoic rift system in Oklahoma, New Mexico, Colorado, and Utah,
Discussion, [Geol. Soc. Amer. Bull]{.underline}., v. 100, p.1846-1847,
1988.

Purucker, M., Interpretation of an Aeromagnetic Survey along the Wichita
Frontal Fault Zone, [Oklahoma Geological Survey Guidebook
23]{.underline}, p. 129-136, 1986.

Van Houten, F., and M. Purucker, Glauconitic Peloids and Chamositic
Ooloids---Favorable Factors, Constraints, and Problems, [Earth Science
Reviews]{.underline}, vol. 20, p. 211 - 250, 1984

Purucker, M., Time of Formation of Soft Iron Ore on the Gunflint and
Mesabi Ranges (Ontario, Canada and Minnesota, U.S.), [Economic
Geology]{.underline}, vol. 78, p. 502 506, 1983.

Oolitic Ironstones and Banded Iron Formation: Controls on Chemical
Sedimentation, [Ph.D. thesis, Princeton University]{.underline}, 1983.

Purucker, M., D. Elston, and S. Bressler, Magnetic Stratigraphy of Late
Cenozoic Glaciogenic Sediments, Taylor Valley, Transantarctic Mountains,
[AGU Antarctic Research Series]{.underline}, vol. 33, p.109 - 140, 1981

Purucker, M., Elston, D., and E.M. Shoemaker, Early Acquisition of
Characteristic Magnetization In Red Beds of the Moenkopi Formation
(Triassic), Gray Mountain, Arizona, [Journal of Geophysical
Research]{.underline}, vol. 85, p. 997 - 1012, 1980.

Elston, D., and M. Purucker, Detrital magnetization in red beds of the
Moenkopi Formation (Triassic), Gray Mountain, Arizona, [Journal of
Geophysical Research]{.underline}, vol. 84, p.1653-1665, 1979.

## AWARDS

Green Prize for \"Outstanding Ability and Achievement in the Field of
Creative Scholarship,\" California Institute of Technology, 1976